试题与答案

如图3-180所示结构各杆截面相同,各杆温度均匀升高t,则:() A.Ma=Mb=M

题型:单项选择题

题目:

如图3-180所示结构各杆截面相同,各杆温度均匀升高t,则:()

A.Ma=Mb=Mc

B.Ma>Mb>Mc

C.Ma<Mb=Mc

D. Ma>Mb=Mc

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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题型:阅读理解

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根据以上内容,完成短文。

     A French woman goes to 1.            to 2.            her son. She can't speak 3.            very well. One

day, she goes to a 4.            and wants to buy a 5.             for supper. But she can't remember the

English word for "6.          ". She says she wants the 7.             mother. The shop waiter doesn't 8.           .

Then she says she wants the 9.            wife.The shop waiter 10.           

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