
题目出自:搜答案助手(http://www.gongxuke.net/)
Paragraph6_________.
A、TheMainComponentsofMaglevTrainSystem
B、High-speedMaglevduetoZeroFriction.
C、TheWorkingPrincipleofthemaglevTrain.
D、ifferencesbetweenPolarityandMagneticField.
E、omparisonofMaglevTrainswithTraditionalOnes.
F、MaglevwithaPowerfulMotor.
正确答案:公需科目题库搜索
答案解析:答案选B。在第五段解释了磁浮列车浮起和向前运动的原理之后,作者在第六段中解释了磁浮列车速度奇快的原因:去除了传统火车的车轮与铁轨的摩擦。
Paragraph5________
A、TheMainComponentsofMaglevTrainSystem
B、High-speedMaglevduetoZeroFriction.
C、TheWorkingPrincipleofthemaglevTrain.
D、ifferencesbetweenPolarityandMagneticField.
E、omparisonofMaglevTrainswithTraditionalOnes.
F、MaglevwithaPowerfulMotor.
正确答案:公需科目题库搜索
答案解析:答案选C。第五段比较详细的介绍了为什么磁浮列车会向前运动,也就揭示了磁浮列车的工作原理。
Recyclinghasbecomethefirstchoiceforthedisposalofrubbishbecauseothermethodsaremoreexpensive.
A、Right
B、Wrong
C、Notmentioned
正确答案:公需科目题库搜索
答案解析:答案选A。文章最后一段说recyclingisalreadytheleastexpensivewaste-managementoption.由此可以判断选A。
Paragraph3_______
A、TheMainComponentsofMaglevTrainSystem
B、High-speedMaglevduetoZeroFriction.
C、TheWorkingPrincipleofthemaglevTrain.
D、ifferencesbetweenPolarityandMagneticField.
E、omparisonofMaglevTrainswithTraditionalOnes.
F、MaglevwithaPowerfulMotor.
正确答案:公需科目题库搜索
答案解析:答案选A。第三段列举了磁浮列车的三个组成部分。选项A概括了第三段的内容。
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,干部网络助理微xin:(go2learn_net)
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.
Paragraph6_________.
A、TheMainComponentsofMaglevTrainSystem
B、High-speedMaglevduetoZeroFriction.
C、TheWorkingPrincipleofthemaglevTrain.
D、ifferencesbetweenPolarityandMagneticField.
E、omparisonofMaglevTrainswithTraditionalOnes.
F、MaglevwithaPowerfulMotor.
正确答案:公需科目题库搜索
答案解析:答案选B。在第五段解释了磁浮列车浮起和向前运动的原理之后,作者在第六段中解释了磁浮列车速度奇快的原因:去除了传统火车的车轮与铁轨的摩擦。
Paragraph4______
A、TheMainComponentsofMaglevTrainSystem
B、High-speedMaglevduetoZeroFriction.
C、TheWorkingPrincipleofthemaglevTrain.
D、ifferencesbetweenPolarityandMagneticField.
E、omparisonofMaglevTrainswithTraditionalOnes.
F、MaglevwithaPowerfulMotor.
正确答案:公需科目题库搜索,学习帮手weixin【xzs9523】
答案解析:答案选E。第四段就磁浮列车和传统火车进行了比较:磁浮列车没有发动机而传统火车有发动机。选项C用comparison来概括是准确的。
Paragraph5________
A、TheMainComponentsofMaglevTrainSystem
B、High-speedMaglevduetoZeroFriction.
C、TheWorkingPrincipleofthemaglevTrain.
D、ifferencesbetweenPolarityandMagneticField.
E、omparisonofMaglevTrainswithTraditionalOnes.
F、MaglevwithaPowerfulMotor.
正确答案:公需科目题库搜索
答案解析:答案选C。第五段比较详细的介绍了为什么磁浮列车会向前运动,也就揭示了磁浮列车的工作原理。
Paragraph4______
A、TheMainComponentsofMaglevTrainSystem
B、High-speedMaglevduetoZeroFriction.
C、TheWorkingPrincipleofthemaglevTrain.
D、ifferencesbetweenPolarityandMagneticField.
E、omparisonofMaglevTrainswithTraditionalOnes.
F、MaglevwithaPowerfulMotor.
正确答案:公需科目题库搜索
答案解析:答案选E。第四段就磁浮列车和传统火车进行了比较:磁浮列车没有发动机而传统火车有发动机。选项C用comparison来概括是准确的。
Paragraph3_______
A、TheMainComponentsofMaglevTrainSystem
B、High-speedMaglevduetoZeroFriction.
C、TheWorkingPrincipleofthemaglevTrain.
D、ifferencesbetweenPolarityandMagneticField.
E、omparisonofMaglevTrainswithTraditionalOnes.
F、MaglevwithaPowerfulMotor.
正确答案:公需科目题库搜索
答案解析:答案选A。第三段列举了磁浮列车的三个组成部分。选项A概括了第三段的内容。