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【单选题】
外螺纹的画法参见下图,浅蓝色图线表示A.
螺纹大径
B.
螺纹小径
C.
螺纹终止线
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【简答题】各种不同电压等级的（）和（）组成了电力网，也叫电力网络简称电网。
【单选题】What does the woman mean when she says this:
A.
She is not sure that the student employee will give her the form.
B.
She thinks that he will have to wait for the student employees.
C.
She does not want the man to bother her because she is busy.
D.
She is is not sure that the man understands what to do.
【单选题】Jane says the ideas for the changes
A.
were initiated by the leadership group.
B.
resulted from the expansion of the team system.
C.
were developed in conjunction with a firm of management consultants.
【简答题】什么叫电力网?
【单选题】听力原文： Shell Group says so far it has invested over 1.6 billion USD in China. The figure will soar to 5 billion within the next few years. Shell said the energy resource supply of China will double aro...
A.
1.6 billion USD
B.
1.6 million USD
C.
5 billion USD
D.
5 million USD
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