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2011职称英语考前每日一练[理工类A级-第53期]

2011-02-14 09:16 来源:正保会计网校 打印 | 收藏 |
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  第6部分:完形填空(第51~55题,每题1分,共15分)

  下面的短文有15处空白,请根据短文内容为每处空白确定一个最佳选项。

Solar Storm

  At the end of October 2003, a sudden solar storm hit the earth. A solar storm refers to the large amounts of charged particles released into space________(51) the solar energy increases. The release of the energy________ (52) place along with the activity of the sunspots with a cycle of: 11 years. This time, the (53) of the storm exceeded expectations.

  This________(54) of intense solar storm was caused by the eruption of a solar flare (闪光) and the ejection (喷发) of the solar corona (日冠) on October 28, 2003. Large amounts of charged particles moved 150,000,000 kilometers through space toward the ________(55) in 19 hours. They could affect aircraft roaming (漫游) in space.

  The high-energy particles will________(56) some of the parts of an aircraft. They may also cause it to fail. High-energy particles can threaten the safety of an aircraft at a high orbit. If an aircraft orbits at a lower orbit, it is________(57) because it is under the protection of the earth's magnetic field.

  A solar storm not only affects aircraft but also is a ________(58) to the environment and humans. The aerosphere and magnetic field of the earth can________(59) humans from ultraviolet radiation and X-rays. While most of the X-rays are absorbed after they enter the aerosphere (大气层), still a few can________(60) the ground.

  The geomagnetic storm caused by this round of solar storm reaches its highest level on the two________(61) of the earth, which affects electricity supply of North America. Overexposure to________(62) threatens the health of passengers on planes flying over the Polar Regions. If we fly in the sky during such a solar storm, it________(63) we receive ten times the X-ray radiation. It's really damaging.

  Scientists say a solar eruption is like the sun sneezing, which will make the earth________(64) a cold. Though this natural force is irresistible, scientists can still________(65) its movement accurately by monitoring. Facing successive solar storms, humans can't drop their guard

  51 A since B when C until D though

  52 A finds B adjusts C holds D takes

  53 A intensity B height C width D density

  54 A piece B part C round D set

  55 A star B earth C moon D sun

  56 A dominate B develop C damage D descend

  57 A safe B dangerous C comfortable D manageable

  58 A limit B cause C force D threat

  59 A separate B benefit C distinguish D protect

  60 A lose B reach C break D prepare

  61 A poles B mountains C rivers D lakes

  62 A light B storm C radiation D pressure

  63 A recommends B means C proposes D advises

  64 A turn B stop C become D catch

  65 A detect B start C experience D change

同时按下Crtl键和A键查看答案
51 B 52 D 53 A 54 C 55 B
56 C 57 A 58 D 59 D 60 B
61 A 62 C 63 B 64 D 65 A

我要纠错】 责任编辑:梦小晨
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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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