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B.
是命题而且是简单命题。
C.
是命题但不是简单命题。
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【简答题】高功率密度的电子束加工适于() A钢板上打孔 B工件表面合金化 C电子束曝光 D工件高频热处理
【单选题】听力原文：Anchor: Imagine the U.S. economy blasting forward, technology changing the way we work and live, a nation obsessed with every little move on the stock market. Sound familiar? Well, it was the act...
A.
Monday
B.
Tuesday
C.
Thursday
【判断题】原文:Today, technology has make us all virtual neighbors.
译文:今天,科技使我们所有国家实际上成为邻邦。
A.
正确
B.
错误
【单选题】听力原文：Narrator Listen to part of a lecture about the environment study in Biramichi River. Professor Good morning everyone. First of all Id like to thank Professor Johnson for giving me the opportunity...
A.
To study the problems of local industries.
B.
To find ways to treat human waste.
C.
To investigate the annual catch of fish in the Biramichi River.
D.
To conduct a study on fishing in the Biramichi River.
【简答题】I hope you will find the software (help/helpful) ________when you check out your salary.
【单选题】听力原文： Good morning, everyone. Today, Ur...first of all, Id like to talk about business customs around the world. The world is becoming smaller and smaller with the development of science and technolog...
A.
Different customs and manners around the world.
B.
How to do business with other people.
C.
The unbelievable changes in the business world.
D.
Advice on customs and protocol in many countries.
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