参考答案和解析
参考答案:B
更多“It was 1969 ________ two Americans got to the moon by space ship. ”相关问题
  • 第1题:

    The professor asked us to write a _____________ report.

    A、two-hundreds-words

    B、two-hundreds-word

    C、two-hundred-words

    D、two-hundred-word


    参考答案:D

  • 第2题:

    TheONS15216isa32-channelsystem.TheONS15216OADMsarecapableofaddinganddroppingone,two,orfourchannels.HowaretheOADMsprovisionedtoaddanddropspecificchannels?()

    A.TheONS15216OADMcanbeprovisionedtoadd/dropone,two,orfourchannelsviaCiscoTransportManager(CTM).

    B.TheONS15216OADMconsistsonlyofafour-channelmodule,andthenumberofportsutilizeddetermineswhetheritisaone,two,orfourchannelOADM.

    C.ThreeseparateOADMmodulesareavailableforone,two,andfourchannels.ThewavelengthstobedroppedandaddedareprogrammableviaCiscoTransportManager(CTM).

    D.TheONS15216OADMconsistsonlyofasingle-channelmodule.Two-channelandfour-channelsupportisavailablebystackingthesingle-channelmodule.

    E.TheONS15216OADMisavailableinone,two,fourchannels.Thereare32single-channelOADMmodules,16two-channelOADMmodules,and8four-channelOADMmodules.


    参考答案:E

  • 第3题:

    ( 14 )下列程序的运行结果是

    SET EXACT ON

    s="ni"+SPACE(2)

    IF s=="ni"

    IF s="ni"

    ? "one"

    ELSE

    ? "two"

    ENDIF

    ELSE

    IF s="ni"

    ? "three"

    ELSE

    ? "four"

    ENDIF

    ENDIF

    RETURN

    A) one

    B) two

    C)three

    D)four


    正确答案:C

  • 第4题:

    下列程序的运行结果是( )。 SET EXACT ON s="ni"+SPACE(2) IF S=”ni” IF S=”ni” ?"one" ELSE ?"two" END IF ELSE IF S="ni" ?"three" ELSE ?"four" END IF END IF RETURN

    A.one

    B.two

    C.three

    D.four


    正确答案:C
    C。【解析】用==比较两个字符串时,当两个字符串完圣相同时,运算结果是逻辑真.T.。用=比较两个字符串时,运算结果与SETEXACTONIOFF的设置有关:0N先在较短的字符串的尾部加上若干个空格,使两个字符串的长度相等,然后进行精确比较;当处于0FF状态时,只要右边字符串与左边字符串的前面部分内容相匹配,即可得到逻辑真.T.。所以本题运行结果为three。

  • 第5题:

    About ________ of the workers in the factory were born in the ________.

    A.two-thirds, 1970 B.two-thirds, 1970s C.two-third,1970 D.two-third, 1970s


    正确答案:B

  • 第6题:

    12. About_______ of the workers in the factory were born in the __________.

    A. two- thirds;1970

    B. two- thirds ; 1970s

    C. two-third ; 1970

    D. two-third ; 1970s


    正确答案:B
    12.B【解析】句意:工厂里大约2/3的工人出生在20世纪70年代。分数的表达为分子用基数词,分母用序数词,如果分子大于1,则分母要用复数,排除C、D,年代的表达要在年份后加s.故选B。