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【单选题】
听力题: Q: Which invention does the man think changed the world most?A.
The car
B.
The phone
C.
The computer
D.
The light bulb
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反馈参考答案：
举一反三
【简答题】交流接触器主要由电磁系统、( )、( )和辅助部件等组成。
【简答题】交流接触器主要由 、 、 和辅助部件等组成。
【单选题】I can't find the key to the door. I have lost it on my way home.
A.
would
B.
should
C.
must
D.
ought to
【简答题】交流接触器主要由 、触头系统、灭弧装置和辅助部件等组成。
【简答题】I can't find the key. I must have left it in the car. 翻译
【简答题】交流接触器主要由 、触头系统、 和辅助部件等组成。
【单选题】听力原文：M: I can't find tile key to my car. I need to go for a drive. W: I'll look for it later. Right now I want you to send the children to tile school bus station. Q: What will the man do first? (16)
A.
Look for the key to his car.
B.
Go for a drive.
C.
Take the children to bus stop.
D.
Repair his car with his children.
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