考试题目出自：答案兔网站（www.gongxuke.net）

Severalcountriesintheworldareusingstrongelectromagnets________.

A、todevelopamaglevtrainrailsystem.

B、toexplainwhymaglevtrainsarefaster.

C、topullandpushthetrainforward.

D、tocreateamagneticfield.

E、toexperimentwiththemaglevtrain.

F、totravelfromParistoRomeinabouttwohours.

正确答案：公需科目题库搜索

答案解析：答案选A。选A的依据是本文第一段第一句：Afewcountriesusingpowerfulelectromagnetstodevelophigh-speedtrains,calledmaglevtrains.

Youcanconnectawiretothepositiveandnegativeendsofabattery__________.

A、todevelopamaglevtrainrailsystem.

B、toexplainwhymaglevtrainsarefaster.

C、topullandpushthetrainforward.

D、tocreateamagneticfield.

E、toexperimentwiththemaglevtrain.

F、totravelfromParistoRomeinabouttwohours.

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答案解析：答案选D。第二段说，把电线与干电池相连接就能产生一个小磁场，而磁浮列车的运动原理与此相同。第二段第四句是选择D的依据。

Thefrictionlessmaglevtrainenablesyou___________.

A、todevelopamaglevtrainrailsystem.

B、toexplainwhymaglevtrainsarefaster.

C、topullandpushthetrainforward.

D、tocreateamagneticfield.

E、toexperimentwiththemaglevtrain.

F、totravelfromParistoRomeinabouttwohours.

正确答案：F

答案解析：答案选F。本文最后一句举出坐上时速500公里的磁浮列车从巴黎到罗马只需约2小时这个例子来说明磁浮列车速度之快。

Whatisthemainideaofthepassage?

A、irdsarewidelystudiedbecausetheyarepopularinthehome.

B、Ornithologyhasmadeimportantcontributionstobiology.

C、Professionalbiologistsoftenengageinbird-watchingforrecreation.

D、nimalbehaviorisbeststudiedbyobservingbirds.

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答案解析：答案选B。通篇讲的都是鸟类学的重要性，因此选B。

WhichofthefollowingisNOTmentionedinthefirstasareasonforpopularinterestinbirds?

A、Theirecologicalvalue

B、Theirappealinghabits

C、Theirvisibility

D、Theirbeauty

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答案解析：答案选A。其他三项在第一段都提到了。

Youcanconnectawiretothepositiveandnegativeendsofabattery__________.

A、todevelopamaglevtrainrailsystem.

B、toexplainwhymaglevtrainsarefaster.

C、topullandpushthetrainforward.

D、tocreateamagneticfield.

E、toexperimentwiththemaglevtrain.

F、totravelfromParistoRomeinabouttwohours.

正确答案：公需科目题库搜索

答案解析：答案选D。第二段说，把电线与干电池相连接就能产生一个小磁场，而磁浮列车的运动原理与此相同。第二段第四句是选择D的依据。

Whatisthemainideaofthepassage?

A、irdsarewidelystudiedbecausetheyarepopularinthehome.

B、Ornithologyhasmadeimportantcontributionstobiology.

C、Professionalbiologistsoftenengageinbird-watchingforrecreation.

D、nimalbehaviorisbeststudiedbyobservingbirds.

正确答案：公需科目题库搜索

答案解析：答案选B。通篇讲的都是鸟类学的重要性，因此选B。

Thefrictionlessmaglevtrainenablesyou___________.

A、todevelopamaglevtrainrailsystem.

B、toexplainwhymaglevtrainsarefaster.

C、topullandpushthetrainforward.

D、tocreateamagneticfield.

E、toexperimentwiththemaglevtrain.

F、totravelfromParistoRomeinabouttwohours.

正确答案：F

答案解析：答案选F。本文最后一句举出坐上时速500公里的磁浮列车从巴黎到罗马只需约2小时这个例子来说明磁浮列车速度之快。

Auniquesystemofmagneticfieldsiscreatedbythecoils_______.

A、todevelopamaglevtrainrailsystem.

B、toexplainwhymaglevtrainsarefaster.

C、topullandpushthetrainforward.

D、tocreateamagneticfield.

E、toexperimentwiththemaglevtrain.

F、totravelfromParistoRomeinabouttwohours.

正确答案：公需科目题库搜索

答案解析：答案选C。第五段的第二句，即“Oncethetrainislevitated，powerissuppliedtothecoilswithintheguidewaywallstocreateauniquesystemofmagneticfieldsthatpullandpushthetrainalongtheguideway”，是选择C的依据。

Auniquesystemofmagneticfieldsiscreatedbythecoils_______.

A、todevelopamaglevtrainrailsystem.

B、toexplainwhymaglevtrainsarefaster.

C、topullandpushthetrainforward.

D、tocreateamagneticfield.

E、toexperimentwiththemaglevtrain.

F、totravelfromParistoRomeinabouttwohours.

正确答案：公需科目题库搜索

答案解析：答案选C。第五段的第二句，即“Oncethetrainislevitated，powerissuppliedtothecoilswithintheguidewaywallstocreateauniquesystemofmagneticfieldsthatpullandpushthetrainalongtheguideway”，是选择C的依据。