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2011职称英语考前每日一练[理工类A级-第22期]

2010-12-27 09:39 来源:正保会计网校 打印 | 收藏 |
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  第6部分:完形填空

  阅读下面的短文,文中有15处空白,每处空白给出了4个选项,请根据短文的内容从4个选项中选择1个最佳答案。

The Greatest Mystery Of Whales

  The whale is a warm-blooded, air-breathing animal, giving birth to its young alive, sucking them-and, like all mammals, originated on land. There are many (1) of this. Its front flippers (鳍状肢), used for steering and stability, are traces of feet.

  Immense strength is (2) into the great body of the big whales, and in fact most of a whale's body is one gigantic muscle. The blue whale's pulling strength has been estimated (3) 400 horsepower. One specimen was reported to have towed (拖) a whaling vessel for seven hours at the (4) of eight knots (节).

  An angry whale will (5) a ship. A famous example of this was the fate of whaler Essex, (6) was sunk off the coast of South America early in the last century. More recently, steel ships have (7) their plates buckled (使弯曲) in the same way. Sperm whales (抹香鲸) were known to seize the old-time whaleboats in their jaws and crush them.

  The greatest (8) of whales is their diving ability. The sperm whale dives to the bottom for his (9) food, the octopus (章鱼). In that search he is known to go as far down as 3,200 feet, where the (10) is 1,400 pounds, to a square inch. Doing so he will (11) underwater long as one hour. Two special skills are involved in this: storing up enough (12) (all whales are air-breathed) and tolerating the great change in pressure. Just how he does it scientists have not (13). It is believed that some of the oxygen is stored in a special (14) of blood vessels, rather than just held in the lungs. And it is believed that a special kind of oil in his head is some sort of compensating mechanism that (15) adjusts the internal pressure of his body. But since you can't bring a live whale into the laboratory for study, no one knows just how these things work.

  1 A aspects B signs C ways D reasons

  2 A worked B divided C built D moved

  3 A at B in C of D with

  4 A number B degree C distance D rate

  5 A abandon B attack C leave D board

  6 A as B who C which D that

  7 A had B operated C seen D caught

  8 A interest B job C danger D mystery

  9 A favorite B fast C new D sufficient

  10 A depth B pressure C level D size

  11 A set B become C remain D rest

  12 A heat B energy C food D oxygen

  13 A witnessed B determined C applied D calculated

  14 A system B place C arrangement D equipment

  15 A mentally B artificially C manually D automatically

   同时按下Crtl键和A键查看答案

  

1. B  2. C  3. A  4. D  5. B
6. C  7. A  8. D  9. A  10. B
11. C  12. D  13. B  14. A  15. D

我要纠错】 责任编辑:桔梗
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学员:chuhero 感谢周涵老师,职称英语过了。我觉得应该在这里跟老师说声谢谢,老师的讲课很实用,针对性强,是很有学习价值的课程,如果你想通过职称英语考试,就听周老师的课程吧。

学员:王仁芝 我去年7月开始差不多从零学起,坚持到考试,考了72分,十分感谢老师及网校的辅导!

学员:lilizhangx 职称英语通过了!毕业10年了,没怎么接触英语,跟着周涵老师学习,一次通过!

学员:张洪杰 首先感谢周涵老师,好多年没有学习了,经过老师的讲解顺利过关,这已经出乎我的预料,真的很激动,终于没让老师们失望,通过了,很高兴。

学员:xsqxxlxzj 十多年没有学习过英语了,通过职业培训教育网3个多月的学习,83分通过职称英语综合C级考试,非常感谢周涵老师,谢谢您!

学员:best888zhou 毕业以后就没有翻过英语了,丢了有七年了,虽然以前基础还不错,但这次真的是没有信心,过年后开始复习,用了差不多一个月的时间,B级综合考了80分,很开心,谢谢周涵老师的细致讲解!

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