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2013年英语四级考试每日一练(10月15日)

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在线测试本批《每日一练》试题,可查看答案及解析,并保留做题记录 >> 在线做题
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1. space is a dangerous place, not only because of meteors (流星 ) but also because of rays from the sun and other stars. The atmosphere again acts 67 our protective blanket on 68 . Light gets through, and this is essen- tial 69 plants to make the food which we 70 Heat, 71 , makes our environments tolerable and some ultraviolet rays (紫外线) penetrate the 72 . Cosmic ( 宇宙的) rays of various kinds come 73 the air from outer space, but 74 quantities of radiation from the sun are
screened off. As 75 as men leave the atmosphere they are 76 to this radiation; 77 their spacesuits or the walls of their spacecraft, if they are inside, 78 prevent a lot of radiation damage.
Radiation is the greatest known danger to explorers in 79 . Doses of radiation are measured in 80 called "rems (雷姆 )". We all 81 radiation here on earth from the sun, from cosmic rays and from radioactive minerals.
The " 82 " dose of radiation that we receive each year is about 100 millirems; it 83 according to where you live, and this is a very rough estimate. Scientists have reason to think 84 a man can 85 up with far more radia- tion 86 this without being damaged; the figure of 60 rems has been agreed.
阅读以上文章,回答68-12题
请在(67)处填上答案。
A.for
B.with
C.on
D.as
2. 听录音,回答12-62题:
点击播放



A.No one can do the translation.
B.The new secretary is from Spain. 
C.The woman should do the translation herself.
D.The secretary might be able to help tile woman.

3. 根据以下材料回答62-2题:


What does the first paragraph say about the "penny press?"

翻译题
4. It__________ (直到失去健康) people know the importance of health.
5. You__________(本来不必进行)all those calculations.We have a computer to do that sort of thing.

6. 2-12




Who were the subjects of the IBD study?


7.



8. We are going to __________ (建一个拥有现代化设备的工厂).
9. 根据下列材料,回答{TSE}题:




请在(47)处填上答案。
10. __________(尽量避免提及这个敏感话题)lest he be offended.

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