题目内容
阅读下列短文, 掌握其大意, 然后从1 ̄20各题所给的四个选项中, 选出一 个最佳答案。
All sounds are different. Some may be 1 , others may be loud. Some sounds are high, others are 2.
Some sounds are useful. Without sound we cannot 3 or listen 4 one another. The ringing alarm clock wakes 5. The hooting of a horn on the road warns careless people 6.
Some sounds are harmful. Very loud sounds 7 huge planes which fly low over the land can cause damage to houses. Loud sounds will disturb people. Very loud sounds can even make people 8 or prevent them 9 hearing clearly.
Collect 10 solids as you can find, for example, coins, rocks, tins, pieces of wood and glass. Take two 11 objects and knock them together. Then take different objects and knock them together. Try to make as many different sounds as possible.
Next take two objects and rub them together. Then take different objects and rub them together. Try to make many different sounds.
Whenever you hear a sound, find out 12 it comes from and what causes it. We make sounds 13 things move to-and-fro. This to-and-fro 14 is called vibration. It means moving up and down or forwards and backwards very fast. These vibrations cause the air 15. This makes sound waves. Look at this picture. Hold a long ruler on the table so that 16 of the ruler is jutting 17 the table. 18 down on the free end of the ruler and let go. See the ruler 19. Can you 20 a humming sound?
(1) A. soft B. gentle C. light D. thin
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(2) A. long B. thick C. low D. heavy
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(3) A. do B. make C. talk D. produce
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(4) A. at with B. from C. by D. to
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(5) A. a persons B. people up C. people get up D. persons get up
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(6) A. dangerous B. in dangerous C. danger D. of danger
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(7) A. produce B. produced C. produce by D. produced by
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(8) A. deaf B. deafen C. to deafen D. deafening
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(9) A. out B. from C. in D. on
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(10)A. so many B. as many C. such more D. so more
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(11)A. similar B. like C. same D. the same
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(12)A. in which B. which C. where D. a place
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(13)A. in doing B. by doing C. in making D. by making
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(14)A. motion B. move C. movement D. moving
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(15)A. vibration B. to vibrate C. vibrate D. vibrated
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(16)A. two-third B. second-three
C. seconds-third D. two-thirds
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(17)A. on B. out C. out of D. off
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(18)A. Pull B. Push C. Hold D. Take
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(19)A. vibrating B. to vibrate C. vibrate D. vibrated
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(20)A. know B. recognize C. record D. hear
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完形填空(共15小题;每小题2分,满分30分)
阅读下面短文,掌握其大意,然后从下列各题所给的四个选项中, 选出最佳选项,并在答题卡上将该项涂黑。
Last summer Tom and his friends George and Bill wanted to take a vacation. But they did not have much __26__.They decided that a ___27____ mountain climbing expedition(探险;郊游)was the only trip they could ___28____.Since each of them was ____29____ to climbing,the vacation would be a lot of fun. Tom made all the plans. He ____30_____ that they should share the expenses for food and gas equally and that each one should bring some ____31____ clothes because the weather at ____32____ altitudes is usually cold. The boys were not in a hurry,so they climbed ____33____ the first day. The weather was __34__,and they enjoyed the fresh __35__ as they climbed up a narrow path.
Tom expected the weather to stay nice,but late in the afternoon there was a __36__.The boys rushed toward a cave and decided to camp there that night.
When the sun rose the next morning,they continued __37__.As the boys went higher,the climbing became more __38__,and by late that afternoon the trip appeared endless. When they finally reached the __39__ of the mountain,they saw a beautiful sight. The colors of the sunset were yellow,red,and gold. The boys relaxed and enjoyed the view. The farms and fields of wheat and corn below appeared very small. In the distance,they could see trees,hills and valleys. They __40__ a week in the mountains. They really had great fun.
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A.time | B.money | C.cost | D.fare |
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A.sunshine | B.wind | C.storm | D.cloud |
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