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问题 选择题

The teacher and writer _____ dozens of good novels in the recent years. [ ]

A. wrote

B. writes

C. have written

D. has written

答案

答案：D

计算题

如图所示是一列横波上A、B两质点的振动图象，该波由A传向B，两质点沿波的传播方向上的距离Δx=4.0m，波长大于3.0m，求这列波的波速。
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完形填空

An old man has spent all his life in a small village which is far from the city. One day, someone told him some interesting things about the city. He was so amazed at it that he decided to visit it. Everything was new and strange to him. The old man got excited and visited a lot of interesting places. Then he went into a large tall building and saw a lift. He didn’t know what it was used for. As he was watching it, an old woman got into the lift and the door closed behind her. After a few minutes, the door opened and a very beautiful young girl came out. The old man was very surprised. “What an interesting little room!” he said to himself, “Terrific, it can change an old woman into a young girl. I will be here with my wife next time.”

Fill in each blank according to the passage. Only one word for each blank.

From the passage, we know that the old man went to the city for the小题1: __________ time. He was very excited and surprised at what he saw. He didn’t know what the lift 小题2:__________. One day, he saw that an old woman 小题3:__________ the lift, then after a while a very beautiful girl came out, he decided to 小题4: __________ his wife here and 小题5: __________ her beautiful and young the next time.
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