问题 多项选择题

下述探伤方法中,可用于金属、非金属、复合材料的有( )。

A.射线探伤

B.超声检测

C.涡流检测

D.液体渗透检测

答案

参考答案:B,D

改错题

The Problem with Television

Now I can’t watch much television but a few years ago,                         1.       

I was used to watch it every night.I was often                                               2.       

a little tired after a day’s work and watch TV                                              3.       

demands very little effort.Unfortunate,there are                                            4.       

too many people among my family.Some wanted                                          5.       

to see the programme while others preferred                                                 6.       

another.I am happy with any programme but                                                7.       

the others spent a lot time arguing and there                                                 8.       

was no way of settling the matter except by                                                         9.       

selling the set.Now someone at home reads instead.                                       10.       

填空题