填空题

A. detect nearby objectsB. determine the depth of the ocean waterC. decide how fast you driveD. in need of radarE. map the ocean floorF. observe water flow Police use radar on highways to ______.

【参考答案】

正确答案：C
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单项选择题
An efficient and productive worker should be rewarded with anything but shares in the company’s profits.
A．True
B．False
C．Not Given
填空题
【B1】
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