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问题:From the passage, ______ are most likely to catch colds?...
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问题:Which of the following is true?...
问题:Which of the following is an example of symbiosis as it is d...
问题:The phrase “call-outs” in the passage is used to....
问题:单选题The phrase “out of sight and out of mind” underlined in Paragraph 3 probably means .A being unable to think properly for lack of insightB being totally out of touch with business at homeC missing opportunities for promotion when abroadD leaving all car...
问题:问答题Practice 1 在农业科技领域中,中国正逐年缩小与发达国家之间的差距。科技进步对中国农业的贡献比率从1949年的20%增加到42%。农业科技部门在生物科技、高新科技和基础研究、植物细胞与组织培养方面取得了巨大进步,其中花粉培养、单倍体繁殖及其应用研究方面已经达到世界先进水平。双线性杂交水稻、杂交玉米的繁殖和体现集约耕种的多谷物套种技术也达到或者接近世界先进水平。另外,在利用杂交豆类的优点方面,研究也取得了重要突破。自从1949年,中国农业科学家们已培养了40余种农作物,5000种高产、质优、...
问题:单选题He was not conspicuously hairy nor shiny-bald, but his hair was graying and receding tactfully in keeping with his age.A prominentlyB warilyC consciouslyD conventionally...
问题:单选题Play being recognized as an important factor improving mental and physical health andthereby reducing human misery and poverty.A By recognizing play asB Their recognizing play asC Recognition of it beingD Play is recognized as...
问题:Leonardo was fined$150 by the magistrate and given a strong...
问题:单选题Johannes Gutenberg’s invention probably refers to ______.A printing technologyB transportation technologyC the Reformation and the EnlightenmentD industrial revolution...
问题:单选题This phenomenon still has many of them wondering their heads.A fidgetingB meditatingC worryingD scratching...
问题:Why does the author say that “these species of fungi seem ra...
问题:Which of the following statements is NOT true?...
问题:单选题According to the passage, which of the following is true?A It is very difficult for the middle-aged to live in America.B America is Kids Country because the majority of the American population is children.C Kids Country was taking shape in America when...
问题:单选题Statistics issued in New Jersey suggested that ______.A many drivers were not of legal ageB young drivers were often bad driversC the level of drinking increased in the 1960sD the legal drinking age should be raised...
问题:单选题The words “its development” underlined in Paragraph 7 refer to the development of ______.A the American nationB the mail coachC road buildingD the postal service...
问题:According to the passage, the sales tax is on all the follow...
问题:After the ______ exercises of prayer and song, the speaker o...
问题:单选题Which of the following statements does NOT refer to smallpox?A Previous projects had failed.B People are no longer vaccinated for it.C The World Health Organization mounted a worldwide campaign to eradicate the disease.D It was a serious threat....