如果在给定的弹性变形量下，要求零件重量最轻，需要按照（）进行选材。
A.弹性模量
B.疲劳强度
C.比刚度
D.弹性极限
参考答案：C
用方框内单词的适当形式填空。
join, care, miss, nervous, smell
小题1:I really __________ my friend Tina. She moved to another town.
小题2:There is a strange ___________ in the room. Do you know what it is?
小题3:The best way to improve your English is by _________ an English club.
小题4:I don’t like making speeches. I feel ________ talking in front of many people.
小题5:Be _____________ of the dog that doesn’t bark and the person who doesn’t talk.
下面各句中有歧义的一句是( )。
A．两年没见你，你跟从前不一样了B．每人报告着形容着或吵嚷着自己的事C．小顺的妈只顾着接和看两个泥东西，并没有注意老人的脸色D．李珍在公交车上写字
