搜题请搜索小程序“爱下问搜题”
问题 多项选择题

不论光接口板和尾纤是否在使用，光接口板的光纤口、危险的接口一定要用光帽盖住。这样做有以下益处（）。

A.防止不可见激光照射人眼

B.防尘的作用

C.防止光太强引发火灾

D.避免接触到其他物体增加损耗

答案

参考答案：A, B, D

完形填空

Dear Sir,

I’m glad to recommend to you my student Li Ming.

Li Ming was born ____小题1:__ July 15,1974 in Xiamen. He studied in Datong Primary School from 1980. When he was in the m___小题2:__school, he did ___小题3:___ in maths, physics and chemistry and wasfond of art. After ___小题4:___(毕业) from No.6 High School, he entered Beijing University to s__小题5:____ physics. After four years of hard work there, he went to the United States for f__小题6:____ study. Because of his excellent work, he got a __小题7:_____(博士) degree in physics this year. He is now in good health and would __小题8:_____ to make contributions（贡献） to our country.

I should be most ___小题9:___(感激) if you would favorably consider my recommendation.

Looking forward to ___小题10:___ from you.
查看答案
选择题

Companies should choose a suitable brand name that both salesman and consumers will _________ positive images.

A．put through

B．associate with

C．wind up

D．be equal to
查看答案