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【单选题】
Listen to the short coversation and choose the best answer.A.
Go on a business trip .
B.
Look for a job in Miami .
C.
Make a ticket reservation .
D.
Take a vacation .
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反馈参考答案：
举一反三
【单选题】What does the story want to tell us? 查看材料
A.
Computers are very important in our daily life.
B.
Everyone can make a lot of money with only 10.
C.
The HR manager didn't find the ability of the man.
D.
Nothing in the world is impossible if we work hard．
【单选题】I think computers are very useful．They can help us get much on the Internet．
A.
photo
B.
ideas
C.
information
D.
message
【简答题】对称三相电源是指三个 幅值 相同、 频率 相同和 相位互差 120 o 的电动势电源。
【单选题】Computers are taking over some of the tasks once finished by our own brains,but they are not replacing us.
A.
计算机正在接替本来由人脑完成的部分工作，但是他们并没有取代我们。
B.
计算机正在做一些只有我们的大脑才能做的事情，然而他们没有取代我们。
C.
计算机占领了我们的某些职位，完成了我们的任务，但是我们的大脑不能因此空闲下来。
【单选题】I think computers are very useful. They can help us get much on the Internet.
A.
game
B.
information
C.
idea
D.
message.
【简答题】We are in the computer age today. The computers are 1)____ all kinds of wonders now. They are very useful in automatic control and 2)______ . At the same time, computers are finding their way into the...
【简答题】对称三相电源是指 三个 幅值 ___ 、 频率___和 相位___ 的电动势电源。
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