第Ⅱ卷

第一部分 单词拼写（10分）

小题1:

．The advance in technology has added many new _______(功能) to the cell phone.

小题2:

The _____( 气候)  in Chongqing is always mild.

小题3:

I have _______(解释) the cause many times to the audience to keep a positive image.

小题4:

It is ____(不必要) to ask him to change his mind.

小题5:

This material ______(传导) electricity.

小题6:

We can draw the ______(结论) that the two chemicals do not react.

小题7:

I have never______(后悔) my decision to come back to my motherland.

小题8:

. ______(环境的)protection should be put at the top of the list for each country.

小题9:

Special puzzles have been designed to test the ________(智力)of the children.

小题10:

She went abroad for further study with the __________(目的) of finding a good job.

两端为球铰的压杆，截面形状如下图5-93（a）～图5-93（j），图中O点为形心，x、y轴为形心轴，对于无对称轴的截面，u、v为形心主轴，α为任意角，设z为压杆轴线，问一定在xz平面内失稳的有（）。

A.图(a)、(b)、(d)、(j)

B.图(c)、(e)、(h)、(i)

C.图(f)、(g)

D.所有各图