问答题Do at least 20 percent of the people in country X who are over the age of 25 possess a college diploma?  (1) In country X, among the population over the age of 25, 26 percent of the male population and 16 percent of the female population possess colleg

题目
问答题
Do at least 20 percent of the people in country X who are over the age of 25 possess a college diploma?  (1) In country X, among the population over the age of 25, 26 percent of the male population and 16 percent of the female population possess college diplomas.  (2) In country X, women account for 55 percent of the total population.

相似考题
参考答案和解析
正确答案: E
解析:
因为无法判断X国家的性别比例,故条件1无法回答问题;条件2中未涉及得到文凭的女性人数,故也不能推断出答案;将两者综合来看,也无法推断出答案,故本题选E项。
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  • 第1题:

    共用题干
    Most Adults in US Have Low Risk of Heart Disease
    More than 80 percent of US adults have a less than 10-percent risk of developing heart disease in the next 10 years,according to a report in the Journal of the American College of Cardiology.Just 3 percent have a risk that exceeds 20 percent.
    "I hope that these numbers will give physicians,researchers,health policy analysts,and others a better idea of how coronary heart disease is distributed in the US population,"lead author Dr.Earl S.Ford,from the Centers for Disease Control and Prevention in Atlanta,said in a statement.
    The findings are based on analysis of data from 13,769 subjects,between 20 and 79 years of age,who narticipated in the Third National Health and Nutrition Examination Survey from 1988 to 1994.
    Overall,82 percent of adults had a risk of less than 10 percent,15 percent had a risk that fell between 10 to 20 percent,and 3 percent had a risk above 20 percent.
    The proportion of subjects in the highest risk group increased with advancing age,and men were more likely than women to be in this group.By contrast,race or ethnicity had little effect on risk distributions.
    Although the report suggests that most adults have a low 10-year risk of heart disease,a large proportion have ahigh or immediate risk,Dr.Daniel S.Berman,from Cedars-Sinai Medical Center in Los Angeles,and Dr.Nathan D.Wong,from the University of California at Irvine,note in a related editorial.
    Aggressive treatment measures and public health strategies are needed to shift the overall population risk downward,they add.

    The main purpose of the passage is to______.
    A:introduce that most adults in US adults have low risk of heart disease
    B:give treatment measures to reduce the risk of developing heart disease for US adults
    C:describe the research made by the Centers for Disease Control and Prevention
    D:warn people that they should pay attention to the threat of heart disease immediately

    答案:A
    解析:
    由文章第四段可知,15%的美国成年人有10%到20%的患心脏病风险几率。
    由文章第五段可知,受试者中最具心脏病风险的群体比例会随着年龄的增加而增加,而人种和种族对此几乎无影响。国别在此并未提及。
    由文章第三段可知,这些发现是基于从13 769位受试者中得到的数据进行分析的结果,故选B。
    文章最后一段中提到,需要有积极的治疗方法和公共卫生策略来降低人口总体的患心脏病风险。
    本文的开头便引出了文章论述的主题:More than 80 percent of US adults have a less than10-percent risk of developing heart disease in the next 10 years,之后的内容都围绕此论题展开,故选A。

  • 第2题:

    共用题干
    Most Adults in U.S.Have Low Risk of Heart Disease
    More than 80 percent of U .S.adults have a less than 10-percent risk of developing heart dis- ease in the next 10 years,according to a report in the Journal of the American College of Cardiolo-gy(心脏病学).Just 3 percent have a risk that exceeds 20 percent.
    “I hope that these numbers will give physicians,researchers,health policy analysts,and others a better idea of how coronary(心脏冠状动脉的)heart disease is distributed in the U. S. population ,” lead(带头的)author Dr. Earl S. Ford , from the Centers for Disease Control and Prevention in Atlanta,said in a statement.
    The findings are based on analysis of data from 13,769 subjects,between 20 and 79 years of age , who participated in the Third National Health and Nutrition(营养的供给)Examination Sur- vey from 1988 to 1994.
    Overall,82 percent of adults had a risk of less than 10 percent,15 percent had a risk that fell between 10 to 20 percent and 3 percent had a risk above 20 percent,
    The proportion of subjects in the highest risk group increased with advancing age,and men were more likely than women to be in this group. By contrast, race or ethnicity(种族划分)had little effect on risk distributions.
    Although the report suggests that most adults have a low 10-year risk of heart disease,a large proportion have a high or immediate risk,Dr. Daniel S .Berman,from Cedars-Sinai Medi- cal Center in Los Angeles,and Dr. Nathan D.Wong,from the University of California at Irvine, note in a related editorial.
    Aggressive treatment measures and public health strategies are needed to shift the overall population risk downward,they add.

    According to the Journal of the American College of Cardiology,_______of the U.S. adults had a risk of developing heart disease above 20 percent in the next 10 years.
    A: three percent
    B:ten percent
    C:twenty percent
    D: eighty-two percent

    答案:A
    解析:
    文章首段提到就提到美国80%以上的成年人未来十年内患心脏病的风险低于 10%,故A项正确;由第五段最后一句话“By contrast , race or ethnicity(种族划分)had little effect on risk distributions.”可知种族对患病风险的分布影响很小,故D项正确;由第五段“The proportion of subjects in the highest risk group increased with advancing age,and men were more likely than women to be in this group.”可知实验对象年龄越大,在高风险组中所占的比例也越大,男人进入该组的可能性也大于女性,故B项正确,C项错误。
    由第四段“Overall , 82 percent of adults had a risk of less than 10 percent , 15 percent had a risk that fell between 10 to 20 percent and 3 percent had a risk above 20 percent.”可知,美国80%以上的成年人未来十年内患心脏病的风险低于10% ,15%的成年人未来患心脏病的风险介于10%~20% ,3%的成年人患心脏病的风险在20%以上。故选A。
    题干问的是下列哪个选项对患病风险的分布影响最小。由文中第五段可知,心脏病的患病风险的分布与年龄和性别有很大的关系,种族对患病风险事物分布影响很小,D项“血型”在文中没有提及,故排除。故选C。
    由文中原句“15 percent had a risk that fell between 10 to 20 percent”可知,15%的成年人未来十年内患心脏病的风险介于10%~20%,故选C。注意文中的几个百分数不要弄混淆了
    两位科学家讲到,尽管大多数成年人10年内患心脏病的风险较低,但在有风险者中,很大一部分所面临的风险却是很高或者刻不容缓的,故只有采取积极的治疗措施和公共卫生政策(Aggressive treatment measures and public health strategies are needed)才能降低所有人群患病的风险概率。

  • 第3题:

    共用题干
    Most Adults in US Have Low Risk of Heart Disease
    More than 80 percent of US adults have a less than 10-percent risk of developing heart disease in the next 10 years,according to a report in the Journal of the American College of Cardiology.Just 3 percent have a risk that exceeds 20 percent.
    "I hope that these numbers will give physicians,researchers,health policy analysts,and others a better idea of how coronary heart disease is distributed in the US population,"lead author Dr.Earl S.Ford,from the Centers for Disease Control and Prevention in Atlanta,said in a statement.
    The findings are based on analysis of data from 13,769 subjects,between 20 and 79 years of age,who narticipated in the Third National Health and Nutrition Examination Survey from 1988 to 1994.
    Overall,82 percent of adults had a risk of less than 10 percent,15 percent had a risk that fell between 10 to 20 percent,and 3 percent had a risk above 20 percent.
    The proportion of subjects in the highest risk group increased with advancing age,and men were more likely than women to be in this group.By contrast,race or ethnicity had little effect on risk distributions.
    Although the report suggests that most adults have a low 10-year risk of heart disease,a large proportion have ahigh or immediate risk,Dr.Daniel S.Berman,from Cedars-Sinai Medical Center in Los Angeles,and Dr.Nathan D.Wong,from the University of California at Irvine,note in a related editorial.
    Aggressive treatment measures and public health strategies are needed to shift the overall population risk downward,they add.

    Strategies to shift the overall population risk downward include______.
    A:losing weight
    B:eat less and exercise more
    C:adding more vitamins in your diet
    D:aggressive treatment measures and public health strategies

    答案:D
    解析:
    由文章第四段可知,15%的美国成年人有10%到20%的患心脏病风险几率。
    由文章第五段可知,受试者中最具心脏病风险的群体比例会随着年龄的增加而增加,而人种和种族对此几乎无影响。国别在此并未提及。
    由文章第三段可知,这些发现是基于从13 769位受试者中得到的数据进行分析的结果,故选B。
    文章最后一段中提到,需要有积极的治疗方法和公共卫生策略来降低人口总体的患心脏病风险。
    本文的开头便引出了文章论述的主题:More than 80 percent of US adults have a less than10-percent risk of developing heart disease in the next 10 years,之后的内容都围绕此论题展开,故选A。

  • 第4题:

    共用题干
    Most Adults in U.S.Have Low Risk of Heart Disease
    More than 80 percent of U .S.adults have a less than 10-percent risk of developing heart dis- ease in the next 10 years,according to a report in the Journal of the American College of Cardiolo-gy(心脏病学).Just 3 percent have a risk that exceeds 20 percent.
    “I hope that these numbers will give physicians,researchers,health policy analysts,and others a better idea of how coronary(心脏冠状动脉的)heart disease is distributed in the U. S. population ,” lead(带头的)author Dr. Earl S. Ford , from the Centers for Disease Control and Prevention in Atlanta,said in a statement.
    The findings are based on analysis of data from 13,769 subjects,between 20 and 79 years of age , who participated in the Third National Health and Nutrition(营养的供给)Examination Sur- vey from 1988 to 1994.
    Overall,82 percent of adults had a risk of less than 10 percent,15 percent had a risk that fell between 10 to 20 percent and 3 percent had a risk above 20 percent,
    The proportion of subjects in the highest risk group increased with advancing age,and men were more likely than women to be in this group. By contrast, race or ethnicity(种族划分)had little effect on risk distributions.
    Although the report suggests that most adults have a low 10-year risk of heart disease,a large proportion have a high or immediate risk,Dr. Daniel S .Berman,from Cedars-Sinai Medi- cal Center in Los Angeles,and Dr. Nathan D.Wong,from the University of California at Irvine, note in a related editorial.
    Aggressive treatment measures and public health strategies are needed to shift the overall population risk downward,they add.

    Which of the following statements is NOT right?
    A:The 10-year risk of heart disease is low for most U.S.adult.
    B: Elderly people have a higher risk of heart disease than younger people.
    C: Women have a higher risk of heart disease than man.
    D: The distribution of the risk of heart disease are hardly related to race.

    答案:C
    解析:
    文章首段提到就提到美国80%以上的成年人未来十年内患心脏病的风险低于 10%,故A项正确;由第五段最后一句话“By contrast , race or ethnicity(种族划分)had little effect on risk distributions.”可知种族对患病风险的分布影响很小,故D项正确;由第五段“The proportion of subjects in the highest risk group increased with advancing age,and men were more likely than women to be in this group.”可知实验对象年龄越大,在高风险组中所占的比例也越大,男人进入该组的可能性也大于女性,故B项正确,C项错误。
    由第四段“Overall , 82 percent of adults had a risk of less than 10 percent , 15 percent had a risk that fell between 10 to 20 percent and 3 percent had a risk above 20 percent.”可知,美国80%以上的成年人未来十年内患心脏病的风险低于10% ,15%的成年人未来患心脏病的风险介于10%~20% ,3%的成年人患心脏病的风险在20%以上。故选A。
    题干问的是下列哪个选项对患病风险的分布影响最小。由文中第五段可知,心脏病的患病风险的分布与年龄和性别有很大的关系,种族对患病风险事物分布影响很小,D项“血型”在文中没有提及,故排除。故选C。
    由文中原句“15 percent had a risk that fell between 10 to 20 percent”可知,15%的成年人未来十年内患心脏病的风险介于10%~20%,故选C。注意文中的几个百分数不要弄混淆了
    两位科学家讲到,尽管大多数成年人10年内患心脏病的风险较低,但在有风险者中,很大一部分所面临的风险却是很高或者刻不容缓的,故只有采取积极的治疗措施和公共卫生政策(Aggressive treatment measures and public health strategies are needed)才能降低所有人群患病的风险概率。

  • 第5题:

    共用题干
    Most Adults in US Have Low Risk of Heart Disease
    More than 80 percent of US adults have a less than 10-percent risk of developing heart disease in the next 10 years,according to a report in the Journal of the American College of Cardiology.Just 3 percent have a risk that exceeds 20 percent.
    "I hope that these numbers will give physicians,researchers,health policy analysts,and others a better idea of how coronary heart disease is distributed in the US population,"lead author Dr.Earl S.Ford,from the Centers for Disease Control and Prevention in Atlanta,said in a statement.
    The findings are based on analysis of data from 13,769 subjects,between 20 and 79 years of age,who narticipated in the Third National Health and Nutrition Examination Survey from 1988 to 1994.
    Overall,82 percent of adults had a risk of less than 10 percent,15 percent had a risk that fell between 10 to 20 percent,and 3 percent had a risk above 20 percent.
    The proportion of subjects in the highest risk group increased with advancing age,and men were more likely than women to be in this group.By contrast,race or ethnicity had little effect on risk distributions.
    Although the report suggests that most adults have a low 10-year risk of heart disease,a large proportion have ahigh or immediate risk,Dr.Daniel S.Berman,from Cedars-Sinai Medical Center in Los Angeles,and Dr.Nathan D.Wong,from the University of California at Irvine,note in a related editorial.
    Aggressive treatment measures and public health strategies are needed to shift the overall population risk downward,they add.

    What's the proportion of US adults who have a risk of 10%~20%to develop heart disease?
    A:More than 80 percent.
    B:3 percent.
    C:15 percent.
    D:20 percent.

    答案:C
    解析:
    由文章第四段可知,15%的美国成年人有10%到20%的患心脏病风险几率。
    由文章第五段可知,受试者中最具心脏病风险的群体比例会随着年龄的增加而增加,而人种和种族对此几乎无影响。国别在此并未提及。
    由文章第三段可知,这些发现是基于从13 769位受试者中得到的数据进行分析的结果,故选B。
    文章最后一段中提到,需要有积极的治疗方法和公共卫生策略来降低人口总体的患心脏病风险。
    本文的开头便引出了文章论述的主题:More than 80 percent of US adults have a less than10-percent risk of developing heart disease in the next 10 years,之后的内容都围绕此论题展开,故选A。

  • 第6题:

    In the 20th century the planet's population'doubled twice.It will not double even once in the 1 century,because birth rates in much of the world have 2 steeply.But the number of people over 65 is set to 3 within just 25 years.This shift in the structure of the population is not as momentous as the 4 that came before.But it is more than enough to reshape the world economy.5 the UN's population 6,the standard source for demographic estimates,there are around 600m people aged 65 0r older 7 today.That is in itself remarkable;the author Fred Pearce claims it is 8 that half of all the humans who have ever been over 65 are alive today.But 9 a share of the total population,at 8%,it is not that 10 to what it was a few decades ago.By 2035,11,more than l.1 billion people-13%of the population-will be above the age of 65.This is a 12 result of the dropping birth rates that are slowing overall population growth;they mean there are 13 fewer younS people around.The"old-age dependency ratio"-the ratio of old people to those of working age-will 14 even faster.In 2010 the world had 16 people aged 65 and over for every 100 aduILs between the ages of 25 and 64,15 the same raLio it had in 1980.By 2035 the UN 16 that number to have risen to 26.In rich countries it will be much higher.Japan will have 69 0ld people for every 100 0f working age by 2035,Germany 66.17 America,which has a relaLively high 18 rate,will see its old-age dependency rate rise by more than 70%,t0 44.Developing counLries,19 today's ratio is much lower,will not see absolute levels rise that high;20 the proportional growth will be higher.Over the same time period the old-age dependency rate in China will more than double from 15 t0 36.Latin America wiU see a shift from 14 to 27.19选?

    A.which
    B.there
    C.where
    D.that

    答案:C
    解析:
    语法结构题。根据句子结构判断,这是一个定语从句,先行词为countries,故排除[B]there.该词不引导从句;其次可以排除[D]that,该词不能用于非限定性定语从句;而从句不缺成分,故只能使用关系副词[C]where,而不能使用关系代词[A]which。故答案为[c]。

  • 第7题:

    The population between the age of 25 and 44 increased by 28.1%from 1980 to 1989 because()

    Athis was the period of large inflow of young immigrants

    Bthis was the birth age of the baby boomers.

    Cthe large number born during WW II reached this age bracket

    Dthose who were born in the period of baby boom reached this age bracket


    D

  • 第8题:

    单选题
    More than 85 percent of French Canada’s population speaks French as a mother tongue and _____ to the Roman Catholic faith.
    A

    ascribes

    B

    subscribes

    C

    adheres

    D

    caters


    正确答案: B
    解析:
    句意:超过85%的法裔加拿大人把法语当作母语,信奉罗马天主教。adhere to追随,支持。ascribe to把……归因于;把……归属于。subscribe (to)订阅;赞成。cater to满足需要(或欲望),迎合;cater for提供饮食及服务,承办酒席。

  • 第9题:

    单选题
    This year, 200 men and 250 women attend State College. If the male population were to increase by 10% next year, what is the maximum possible increase in the female population that would produce no more than an 8% increase in the overall student population next year?
    A

    16

    B

    17

    C

    20

    D

    22

    E

    26


    正确答案: B
    解析:
    因为男性学生下一年增加了10%,也就是男生增加了200×0. 1= 20人,如果总学生增加不超过8%,那么至多增加了(200+250)×0. 08 = 36名学生,也就意味着明年至多增加的女学生有36-20 =16名。

  • 第10题:

    问答题
    There is an ever-widening gap between black male college enrollees and their female and white counterparts, says the American Council on Education (ACE).  Twenty years ago, according to ACE’s “Annual Status Report on Minorities in Higher Education,” 30 percent of African American male high school graduates (ages 18 to 24) were enrolled in college, compared with 28 percent of same-age black females and 41 percent of white males. Now, some 37 percent of black men are enrolled, compared with 42 percent of African American women and 44.5 percent of white males. So while there are more black males enrolling in college today than 20 years ago, other groups have outstripped them in enrolling and, even more importantly, in retention rates.  The graduation rate of black men is lower than that of any group. Only 35 percent of black males enrollees graduated within six years from colleges in 1996, compared with 59 percent of white males,46 percent of Hispanic men,41 percent of American Indian males and 45 percent of the black women who entered the same year.  Surveys and reports are hinting that the country’s educational apparatus is stacked against the black male. Fewer than one in five students of color have graduated from high school, have a set of college-prep courses on their high school transcripts and “demonstrate basic literacy” — the necessities for being “college ready.”  Another glaring problem is that black males are disproportionately labeled as discipline and behavioral problems and fast tracked out of high schools through expulsions and suspensions. As if that’s not enough, says ACE’s William Harvey, there’s a virtual drying up of federal aid-to-education grant money coupled with jacked-up tuitions, which make it necessary for low-income students to assume an average $ 20,000 debt to finish a four-year curriculum.  “For those in the lower economic category, the availability of financial aid determines who gets to go to college and who doesn’t,” observes Harvey.  Harvey points out that, over the years, federal funding has undergone a “complete reversal,” from “a 70 percent to 30 percent grant-to-loan ratio 20 years ago” to the exact opposite today..”An 18-year-old male will be more inclined to say, I want money in my pocket now’ and attempt to get a job,” adds Harvey. “But many take on the debt, become part-time students, work 20-plus hours a week and become five-year students at a four-year college.”  The inequity of that educational apparatus is especially clear when you look at the black males who persevere — those who go on to finish high school, earn a bachelor’s degree and even finish grad school.  A recently released Census report shows that, whether they have a high school diploma or a master’s degree, black men will earn roughly 25 percent less than Whites.

    正确答案: 【参考译文】
    美国教育委员会报告,美国黑人男性的大学入学率与黑人女性及白人男性的大学入学率之间出现了越来越大的差距。
    根据美国教育委员会关于高校少数民族学生状况年度报告,20年前,30%的男性黑人中学毕业生(18-24岁)进入大学,与此相比,同龄女性黑人是28%,男性白人是41%。现在,男性黑人的大学入学率上升为37%,而女性黑人为42%,男性白人为44.5%。这就是说,虽然男性黑人的大学入学率比之20年前有了提高,但是其他群体的入学增长率却更高,而且更重要的是在巩固率方面。
    男性黑人的毕业率也低于任何其他群体。l996年,进入大学的男性黑人只有35%在6年内完成学业毕业,相比之下,在同年入学者中,男性白人的毕业率是59%,西班牙裔男性是46%,印第安人男性是41%,女性黑人是45%。
    各项调查和报告都显示,美国的教育机制对男性黑人是不利的。有色人种学生只有不到1/5在中学毕业时,能在成绩报告单上获得完成大学预科课程的记录,用以“证明具备基本读写能力”——这是“符合上大学条件”的基本要求。
    另一个突出的问题是,黑人男性往往被过多地贴上不守纪律和行为不当的标签,因而常常受到开除和停学处分而被早早地逐出中学的校门。
    美国教育委员会的威廉·哈维说,问题似乎还不止这些。联邦专项教育补助基金实际上已经枯竭,而学费却在上涨,这样一来,低收入学生要完成4年的学业,必须获得平均2万美元的贷款。
    哈维说,“对于经济条件较差的学生来说,能不能得到财政帮助决定着谁能进入大学、谁不能进入大学。”哈维指出,联邦基金的流向在过去几十年里发生了“彻底逆转”:20年前的补助一信贷比是70%比30%,现在的比数恰好前后掉过来。“和过去相比,一位18岁的男青年更有可能说,‘我希望现在口袋里有钱’,所以想先找一份工作干,”哈维补充道。“但多数是先贷款,当非全日制学生,每周打20多个小时的工,结果用5年的时间读完4年制的大学。”
    如果考查一下那些能读完中学、继而读完学士甚至硕士的黑人男性,那么,这种教育机制的弊端就特别清楚地表现出来。
    根据最近公布的一项人口普查报告,不论持有中学文凭还是大学文凭,黑人男性的薪水要比白人男性的薪水低大约25%。
    解析: 暂无解析

  • 第11题:

    单选题
    What is worth nothing from the example of Athens County is that _____.
    A

    greater efforts should be made to improve people’s living standards

    B

    70 percent of the people there have been, employed for two years

    C

    50 percent of the population no longer relies on welfare

    D

    the living standards of most people are going down


    正确答案: B
    解析:
    细节推断题。B项“70%的人就业已达2年”。第二段称70%的脱离福利照顾的人在过去两年里参加了工作,但并没说该郡70%的人参加工作已达2年,故B项有误。C项“50%的人口不再依赖福利政策”,文而章说雅典郡的贫困率在30%以上,为全国贫困率的2倍,显然C项错误。D项“大多数人的生活水平在下降”也与文章不符。A项“为提高人民生活水准尚须做出巨大努力”与第三段“作为穷人的代言人,这表明,尚须做更多的努力”属同义转述。因此,A项为答案。

  • 第12题:

    问答题
    Do at least 20 percent of the people in country X who are over the age of 25 possess a college diploma?  (1) In country X, among the population over the age of 25, 26 percent of the male population and 16 percent of the female population possess college diplomas.  (2) In country X, women account for 55 percent of the total population.

    正确答案: E
    解析:
    因为无法判断X国家的性别比例,故条件1无法回答问题;条件2中未涉及得到文凭的女性人数,故也不能推断出答案;将两者综合来看,也无法推断出答案,故本题选E项。

  • 第13题:

    共用题干
    Most Adults in U.S.Have Low Risk of Heart Disease
    More than 80 percent of U .S.adults have a less than 10-percent risk of developing heart dis- ease in the next 10 years,according to a report in the Journal of the American College of Cardiolo-gy(心脏病学).Just 3 percent have a risk that exceeds 20 percent.
    “I hope that these numbers will give physicians,researchers,health policy analysts,and others a better idea of how coronary(心脏冠状动脉的)heart disease is distributed in the U. S. population ,” lead(带头的)author Dr. Earl S. Ford , from the Centers for Disease Control and Prevention in Atlanta,said in a statement.
    The findings are based on analysis of data from 13,769 subjects,between 20 and 79 years of age , who participated in the Third National Health and Nutrition(营养的供给)Examination Sur- vey from 1988 to 1994.
    Overall,82 percent of adults had a risk of less than 10 percent,15 percent had a risk that fell between 10 to 20 percent and 3 percent had a risk above 20 percent,
    The proportion of subjects in the highest risk group increased with advancing age,and men were more likely than women to be in this group. By contrast, race or ethnicity(种族划分)had little effect on risk distributions.
    Although the report suggests that most adults have a low 10-year risk of heart disease,a large proportion have a high or immediate risk,Dr. Daniel S .Berman,from Cedars-Sinai Medi- cal Center in Los Angeles,and Dr. Nathan D.Wong,from the University of California at Irvine, note in a related editorial.
    Aggressive treatment measures and public health strategies are needed to shift the overall population risk downward,they add.

    ______does NOT have the least effect on risk distributions.
    A: Age
    B: Gender
    C: Race
    D: Blood group

    答案:C
    解析:
    文章首段提到就提到美国80%以上的成年人未来十年内患心脏病的风险低于 10%,故A项正确;由第五段最后一句话“By contrast , race or ethnicity(种族划分)had little effect on risk distributions.”可知种族对患病风险的分布影响很小,故D项正确;由第五段“The proportion of subjects in the highest risk group increased with advancing age,and men were more likely than women to be in this group.”可知实验对象年龄越大,在高风险组中所占的比例也越大,男人进入该组的可能性也大于女性,故B项正确,C项错误。
    由第四段“Overall , 82 percent of adults had a risk of less than 10 percent , 15 percent had a risk that fell between 10 to 20 percent and 3 percent had a risk above 20 percent.”可知,美国80%以上的成年人未来十年内患心脏病的风险低于10% ,15%的成年人未来患心脏病的风险介于10%~20% ,3%的成年人患心脏病的风险在20%以上。故选A。
    题干问的是下列哪个选项对患病风险的分布影响最小。由文中第五段可知,心脏病的患病风险的分布与年龄和性别有很大的关系,种族对患病风险事物分布影响很小,D项“血型”在文中没有提及,故排除。故选C。
    由文中原句“15 percent had a risk that fell between 10 to 20 percent”可知,15%的成年人未来十年内患心脏病的风险介于10%~20%,故选C。注意文中的几个百分数不要弄混淆了
    两位科学家讲到,尽管大多数成年人10年内患心脏病的风险较低,但在有风险者中,很大一部分所面临的风险却是很高或者刻不容缓的,故只有采取积极的治疗措施和公共卫生政策(Aggressive treatment measures and public health strategies are needed)才能降低所有人群患病的风险概率。

  • 第14题:

    共用题干
    Most Adults in U.S.Have Low Risk of Heart Disease
    More than 80 percent of U .S.adults have a less than 10-percent risk of developing heart dis- ease in the next 10 years,according to a report in the Journal of the American College of Cardiolo-gy(心脏病学).Just 3 percent have a risk that exceeds 20 percent.
    “I hope that these numbers will give physicians,researchers,health policy analysts,and others a better idea of how coronary(心脏冠状动脉的)heart disease is distributed in the U. S. population ,” lead(带头的)author Dr. Earl S. Ford , from the Centers for Disease Control and Prevention in Atlanta,said in a statement.
    The findings are based on analysis of data from 13,769 subjects,between 20 and 79 years of age , who participated in the Third National Health and Nutrition(营养的供给)Examination Sur- vey from 1988 to 1994.
    Overall,82 percent of adults had a risk of less than 10 percent,15 percent had a risk that fell between 10 to 20 percent and 3 percent had a risk above 20 percent,
    The proportion of subjects in the highest risk group increased with advancing age,and men were more likely than women to be in this group. By contrast, race or ethnicity(种族划分)had little effect on risk distributions.
    Although the report suggests that most adults have a low 10-year risk of heart disease,a large proportion have a high or immediate risk,Dr. Daniel S .Berman,from Cedars-Sinai Medi- cal Center in Los Angeles,and Dr. Nathan D.Wong,from the University of California at Irvine, note in a related editorial.
    Aggressive treatment measures and public health strategies are needed to shift the overall population risk downward,they add.

    Dr. Daniel and Dr. Nathan suggest reducing the risk of overall population by_______.
    A:losing weight
    B: aggressive treatment measures
    C: public health strategies
    D:Both B and C

    答案:D
    解析:
    文章首段提到就提到美国80%以上的成年人未来十年内患心脏病的风险低于 10%,故A项正确;由第五段最后一句话“By contrast , race or ethnicity(种族划分)had little effect on risk distributions.”可知种族对患病风险的分布影响很小,故D项正确;由第五段“The proportion of subjects in the highest risk group increased with advancing age,and men were more likely than women to be in this group.”可知实验对象年龄越大,在高风险组中所占的比例也越大,男人进入该组的可能性也大于女性,故B项正确,C项错误。
    由第四段“Overall , 82 percent of adults had a risk of less than 10 percent , 15 percent had a risk that fell between 10 to 20 percent and 3 percent had a risk above 20 percent.”可知,美国80%以上的成年人未来十年内患心脏病的风险低于10% ,15%的成年人未来患心脏病的风险介于10%~20% ,3%的成年人患心脏病的风险在20%以上。故选A。
    题干问的是下列哪个选项对患病风险的分布影响最小。由文中第五段可知,心脏病的患病风险的分布与年龄和性别有很大的关系,种族对患病风险事物分布影响很小,D项“血型”在文中没有提及,故排除。故选C。
    由文中原句“15 percent had a risk that fell between 10 to 20 percent”可知,15%的成年人未来十年内患心脏病的风险介于10%~20%,故选C。注意文中的几个百分数不要弄混淆了
    两位科学家讲到,尽管大多数成年人10年内患心脏病的风险较低,但在有风险者中,很大一部分所面临的风险却是很高或者刻不容缓的,故只有采取积极的治疗措施和公共卫生政策(Aggressive treatment measures and public health strategies are needed)才能降低所有人群患病的风险概率。

  • 第15题:

    共用题干
    Most Adults in U.S.Have Low Risk of Heart Disease
    More than 80 percent of U .S.adults have a less than 10-percent risk of developing heart dis- ease in the next 10 years,according to a report in the Journal of the American College of Cardiolo-gy(心脏病学).Just 3 percent have a risk that exceeds 20 percent.
    “I hope that these numbers will give physicians,researchers,health policy analysts,and others a better idea of how coronary(心脏冠状动脉的)heart disease is distributed in the U. S. population ,” lead(带头的)author Dr. Earl S. Ford , from the Centers for Disease Control and Prevention in Atlanta,said in a statement.
    The findings are based on analysis of data from 13,769 subjects,between 20 and 79 years of age , who participated in the Third National Health and Nutrition(营养的供给)Examination Sur- vey from 1988 to 1994.
    Overall,82 percent of adults had a risk of less than 10 percent,15 percent had a risk that fell between 10 to 20 percent and 3 percent had a risk above 20 percent,
    The proportion of subjects in the highest risk group increased with advancing age,and men were more likely than women to be in this group. By contrast, race or ethnicity(种族划分)had little effect on risk distributions.
    Although the report suggests that most adults have a low 10-year risk of heart disease,a large proportion have a high or immediate risk,Dr. Daniel S .Berman,from Cedars-Sinai Medi- cal Center in Los Angeles,and Dr. Nathan D.Wong,from the University of California at Irvine, note in a related editorial.
    Aggressive treatment measures and public health strategies are needed to shift the overall population risk downward,they add.

    What's the percentage that 15%of the U.S.adults had a risk of developing heart disease in the next 1 0 years?
    A: About 3%.
    B:Less than 10%.
    C: Between10%~20%.
    D: Above 20%.

    答案:C
    解析:
    文章首段提到就提到美国80%以上的成年人未来十年内患心脏病的风险低于 10%,故A项正确;由第五段最后一句话“By contrast , race or ethnicity(种族划分)had little effect on risk distributions.”可知种族对患病风险的分布影响很小,故D项正确;由第五段“The proportion of subjects in the highest risk group increased with advancing age,and men were more likely than women to be in this group.”可知实验对象年龄越大,在高风险组中所占的比例也越大,男人进入该组的可能性也大于女性,故B项正确,C项错误。
    由第四段“Overall , 82 percent of adults had a risk of less than 10 percent , 15 percent had a risk that fell between 10 to 20 percent and 3 percent had a risk above 20 percent.”可知,美国80%以上的成年人未来十年内患心脏病的风险低于10% ,15%的成年人未来患心脏病的风险介于10%~20% ,3%的成年人患心脏病的风险在20%以上。故选A。
    题干问的是下列哪个选项对患病风险的分布影响最小。由文中第五段可知,心脏病的患病风险的分布与年龄和性别有很大的关系,种族对患病风险事物分布影响很小,D项“血型”在文中没有提及,故排除。故选C。
    由文中原句“15 percent had a risk that fell between 10 to 20 percent”可知,15%的成年人未来十年内患心脏病的风险介于10%~20%,故选C。注意文中的几个百分数不要弄混淆了
    两位科学家讲到,尽管大多数成年人10年内患心脏病的风险较低,但在有风险者中,很大一部分所面临的风险却是很高或者刻不容缓的,故只有采取积极的治疗措施和公共卫生政策(Aggressive treatment measures and public health strategies are needed)才能降低所有人群患病的风险概率。

  • 第16题:

    共用题干
    Most Adults in US Have Low Risk of Heart Disease
    More than 80 percent of US adults have a less than 10-percent risk of developing heart disease in the next 10 years,according to a report in the Journal of the American College of Cardiology.Just 3 percent have a risk that exceeds 20 percent.
    "I hope that these numbers will give physicians,researchers,health policy analysts,and others a better idea of how coronary heart disease is distributed in the US population,"lead author Dr.Earl S.Ford,from the Centers for Disease Control and Prevention in Atlanta,said in a statement.
    The findings are based on analysis of data from 13,769 subjects,between 20 and 79 years of age,who narticipated in the Third National Health and Nutrition Examination Survey from 1988 to 1994.
    Overall,82 percent of adults had a risk of less than 10 percent,15 percent had a risk that fell between 10 to 20 percent,and 3 percent had a risk above 20 percent.
    The proportion of subjects in the highest risk group increased with advancing age,and men were more likely than women to be in this group.By contrast,race or ethnicity had little effect on risk distributions.
    Although the report suggests that most adults have a low 10-year risk of heart disease,a large proportion have ahigh or immediate risk,Dr.Daniel S.Berman,from Cedars-Sinai Medical Center in Los Angeles,and Dr.Nathan D.Wong,from the University of California at Irvine,note in a related editorial.
    Aggressive treatment measures and public health strategies are needed to shift the overall population risk downward,they add.

    The findings in the report are based on______.
    A:the study of physicians,researchers and health policy analysts
    B:analysis of data from 13,769 subjects
    C:the data from all US adults
    D:Dr.Daniel S.Berman and Dr.Nathan D.Wong

    答案:B
    解析:
    由文章第四段可知,15%的美国成年人有10%到20%的患心脏病风险几率。
    由文章第五段可知,受试者中最具心脏病风险的群体比例会随着年龄的增加而增加,而人种和种族对此几乎无影响。国别在此并未提及。
    由文章第三段可知,这些发现是基于从13 769位受试者中得到的数据进行分析的结果,故选B。
    文章最后一段中提到,需要有积极的治疗方法和公共卫生策略来降低人口总体的患心脏病风险。
    本文的开头便引出了文章论述的主题:More than 80 percent of US adults have a less than10-percent risk of developing heart disease in the next 10 years,之后的内容都围绕此论题展开,故选A。

  • 第17题:

    共用题干
    Most Adults in US Have Low Risk of Heart Disease
    More than 80 percent of US adults have a less than 10-percent risk of developing heart disease in the next 10 years,according to a report in the Journal of the American College of Cardiology.Just 3 percent have a risk that exceeds 20 percent.
    "I hope that these numbers will give physicians,researchers,health policy analysts,and others a better idea of how coronary heart disease is distributed in the US population,"lead author Dr.Earl S.Ford,from the Centers for Disease Control and Prevention in Atlanta,said in a statement.
    The findings are based on analysis of data from 13,769 subjects,between 20 and 79 years of age,who narticipated in the Third National Health and Nutrition Examination Survey from 1988 to 1994.
    Overall,82 percent of adults had a risk of less than 10 percent,15 percent had a risk that fell between 10 to 20 percent,and 3 percent had a risk above 20 percent.
    The proportion of subjects in the highest risk group increased with advancing age,and men were more likely than women to be in this group.By contrast,race or ethnicity had little effect on risk distributions.
    Although the report suggests that most adults have a low 10-year risk of heart disease,a large proportion have ahigh or immediate risk,Dr.Daniel S.Berman,from Cedars-Sinai Medical Center in Los Angeles,and Dr.Nathan D.Wong,from the University of California at Irvine,note in a related editorial.
    Aggressive treatment measures and public health strategies are needed to shift the overall population risk downward,they add.

    According to the passage,which of the following may contribute to the risk of getting heart disease?
    A:Age.
    B:Ethnicity.
    C:Race.
    D:Citizenship.

    答案:A
    解析:
    由文章第四段可知,15%的美国成年人有10%到20%的患心脏病风险几率。
    由文章第五段可知,受试者中最具心脏病风险的群体比例会随着年龄的增加而增加,而人种和种族对此几乎无影响。国别在此并未提及。
    由文章第三段可知,这些发现是基于从13 769位受试者中得到的数据进行分析的结果,故选B。
    文章最后一段中提到,需要有积极的治疗方法和公共卫生策略来降低人口总体的患心脏病风险。
    本文的开头便引出了文章论述的主题:More than 80 percent of US adults have a less than10-percent risk of developing heart disease in the next 10 years,之后的内容都围绕此论题展开,故选A。

  • 第18题:

    In the 20th century the planet's population'doubled twice.It will not double even once in the 1 century,because birth rates in much of the world have 2 steeply.But the number of people over 65 is set to 3 within just 25 years.This shift in the structure of the population is not as momentous as the 4 that came before.But it is more than enough to reshape the world economy.5 the UN's population 6,the standard source for demographic estimates,there are around 600m people aged 65 0r older 7 today.That is in itself remarkable;the author Fred Pearce claims it is 8 that half of all the humans who have ever been over 65 are alive today.But 9 a share of the total population,at 8%,it is not that 10 to what it was a few decades ago.By 2035,11,more than l.1 billion people-13%of the population-will be above the age of 65.This is a 12 result of the dropping birth rates that are slowing overall population growth;they mean there are 13 fewer younS people around.The"old-age dependency ratio"-the ratio of old people to those of working age-will 14 even faster.In 2010 the world had 16 people aged 65 and over for every 100 aduILs between the ages of 25 and 64,15 the same raLio it had in 1980.By 2035 the UN 16 that number to have risen to 26.In rich countries it will be much higher.Japan will have 69 0ld people for every 100 0f working age by 2035,Germany 66.17 America,which has a relaLively high 18 rate,will see its old-age dependency rate rise by more than 70%,t0 44.Developing counLries,19 today's ratio is much lower,will not see absolute levels rise that high;20 the proportional growth will be higher.Over the same time period the old-age dependency rate in China will more than double from 15 t0 36.Latin America wiU see a shift from 14 to 27.15选?

    A.actually
    B.certainly
    C.almost
    D.already

    答案:C
    解析:
    剐词辨析题。[A]actually实际上;[B]certainly肯定地;[C]almost几乎;[D]already已经。原文说2010年老年人的比例与1980年几乎一样,仅从搭配上来看,almost the same是最合适的,故[C]为答案。

  • 第19题:

    Western Australia is the biggest Australian state,but its population is only()of the country.s population.

    • A、9%
    • B、10%
    • C、11%
    • D、12%

    正确答案:A

  • 第20题:

    问答题
    When Christopher Columbus reached America, he thought he arrived in 21 .The population of Native Americans in the US:  22 .Regions where Indians live:  23 ,  24 or cities.Why young Indians leave their hometown:for  25 reasons.Rate of unemployment in reservations:around  26 percent.Jobs held by Indians:mostly  27 and  28 .Health problem: Indians commonly leads a(an)  29 life than other Americans.College education: finished by at least  30 of Indians over 25 years old.

    正确答案:
    21.Indies  
    22.two million
    23.reservations/ government land
    24.tribal lands
    25.economic  
    26.fifty
    27.low-paying  
    28.unskilled  
    29.shorter
    30.nine percent
    【录音原文】
    The native people of North and South America were given the name “Indians” by the explorer Christopher Columbus. He thought he had reached the place called the Indies. In time, the terms American Indian and Indian became widely used.
    About two million Native Americans live in the United States today. Some Indians lived on government land called reservations, or on tribal lands. Others live in cities.
    Traditional culture remains strong in areas where large numbers of Indians live. But many Native Americans worry that their cultural traditions will be lost as young people leave these areas for economic reasons.
    The economic situation of American Indians as a group is not good. About 50 percent of those who live on reservations have no jobs. Those who do have jobs earn less than other Americans. Most Indians hold low-paying unskilled jobs. Indians have many health problems and do not live as long as other Americans. But the situation is improving as more Indians are becoming educated. Today, most Native Americans graduate from high school. At least 9 percent of all Indians 25 years old or older have finished college. American Indians are trying to change their economic situation, improve their lives and honor their culture.
    解析: 暂无解析

  • 第21题:

    单选题
    The percent change in the weight from age 2 months to age 10 months is approximately ______ the percent change in the weight from age 10 months to age 19 months.
    A

    equal to

    B

    2 times

    C

    3 times


    正确答案: C
    解析:
    根据图表可知,大象在2个月大到10个月大时体重几乎增加了一倍,而从10个月大到19个月大时体重增加了1/2,因此前一个比例变化是后者的2倍。

  • 第22题:

    单选题
    The population of Bumpton increased by 10% from 1980 to 1990 and decreased by 10% from 1990 to 2000. What is the net percent change in the population of Bumpton from 1980 to 2000?
    A

    -9%

    B

    -1%

    C

    +0%

    D

    +1%

    E

    +9%


    正确答案: B
    解析:
    假设Bumpton1980的人口总数为100,因为10年后人口增加了10%,所以1990年的人口总数为(100)(1. 10) = 110。又因为1990年后10年人口减少了10%,所以2000年的总人口为110×0,9=99。所以1980到2000年人口的比例变化为(99 - 100)/100 =-1/100 = -1%。

  • 第23题:

    单选题
    The proportion of older people _____.
    A

    is bigger in developed countries than in developing countries

    B

    is one-seventh of the population in developing countries

    C

    will increase much faster in China than in France

    D

    will be sixty percent in developing countries by 2020


    正确答案: C
    解析:

  • 第24题:

    单选题
    The population between the age of 25 and 44 increased by 28.1%from 1980 to 1989 because()
    A

    this was the period of large inflow of young immigrants

    B

    this was the birth age of the baby boomers.

    C

    the large number born during WW II reached this age bracket

    D

    those who were born in the period of baby boom reached this age bracket


    正确答案: B
    解析: 暂无解析