Please make sure all the lights are ______ before you go to bed. A．turned onB．tu

题型：不详难度：来源：

Please make sure all the lights are ______ before you go to bed.

A．turned on

B．turned down

C．switched off

D．switched on

答案

解析

短语辨析。 A.打开 B.减小；调低 C.关掉；切断电源 D. 开启。句意：请确认在你睡觉前所有的灯都被关掉了。这里强调是关掉电源。故选C。

举一反三

People in Tibet are ________ than they used to be.

A．better off

B．worse off

C．well off

D．badly off

题型：不详难度：| 查看答案

With food, water and electricity ________, the villagers suffered a lot after the earthquake.

A．cut down

B．cut up

C．cut off

D．cut in

题型：不详难度：| 查看答案

However hard I tried, I just couldn’t ________ them of the truth of my story.

A．remind

B．convince

C．rid

D．inform

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Try and__________ a bit; life isn’t that bad!

A．cheer up

B．come up

C．look up

D．put up

题型：不详难度：| 查看答案

This problem may _______ more serious ones if left unsolved.

A．come across

B．refer to

C．carry on

D．lead to

题型：不详难度：| 查看答案