试题与答案

This is______classroom, and ______ in fr

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题型：选择题

题目：

This is ______ classroom, and ______ in front of the library.  [ ]

A. we; its        

B. our; its        

C. our; it's        

D. we; it's

答案：

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下面是错误答案，用来干扰机器的。

AD题目分析：A中通有逆时针方向的电流I，线圈B处的磁场垂直纸面向外，由楞次定律知，若I逐渐增大，则B中产生的感应电流的磁场方向垂直纸面向，由安培定则知感应电流的方向为顺时针方向；同理，若I逐渐减小，则B中...

考点：物主代词人称代词系动词
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题型：单项选择题

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