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问题 选择题

I rang you several times yesterday but couldn’t____.

A．get on

B．get in

C．get along

D．get through

答案

答案：D

考查短语辨析。get on上车，get in进来，get along进展，get through通过，打通，句意：我昨天给你打了几次电话但是没有打通。故选D。

填空题

阅读短文，用所给动词的适当形式填空。

      Policemen 1            (call) by a shop early on Christmas morning. When they 2            (arrive) they

found two thieves 3            (keep) in a lift with a heavy box of money. The two men were in their twenties.

They 4           (break) into an office in the shop and took the money box and ran into the lift. They did not

see the sign on the door 5            (say) that it carries no more than two people.

     "They were kept between the floors because they took a heavy box," the police officer said, "they 6           

 (keep) there for six hours, 7            (sit) on what they wished 8            (be) their Christmas

presents. It was a very special moment when the policemen opened the door and they walked out 9            

(hold) their arms. They said they 10            (never be) so pleased to see policemen. The policemen said they

were pleased to see them too."

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单项选择题

（2011）在波的传播方向上，有相距为3m的两质元，两者的相位差为，若波的周期为4s，则此波的波长和波速分别为：（）

A.36m和6m/s

B.36m和9m/s

C.12m和6m/s

D.12m和9m/s
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