职称英语考试理工类(A级)试题及答案14

1、职称英语考试理工类 A 级 试题及答案 8第6局部：完形填空第5165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 1 个选项。Solar StormAt 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 thesolar energy increases. The release of the energy 52 p

2、lace along with theactivity of the sunspots with a cycle of ： 11 years. This time， the 53 of thestorm exceeded expectations.This 54 of intense solar storm was caused by the eruption of a solarflare 闪光and the ejection 喷发 of the solar corona 日冠 on October28， 2003. Large amounts of charged particles mo

3、ved 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. Theymay also cause it to fail. High-energy particles can threaten the safety of an aircraft at a high orbit. If an a

4、ircraft orbits at a lower orbit ， it is 57 because it is underthe protection of the earth' s magnetic field.A solar storm not only affects aircraft but also is a 58 to theenvironment and humans. The aerosphere and magnetic field of the earth can 59 humans from ultraviolet radiation and X-rays. W

5、hile most of the X-raysare 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 highestlevel on the two61 of the earth， which affects electricity supply of NorthAmerica. Overexposure to 62 threatens the heal

6、th of passengers on planesflying over the Polar Regions. If we fly in the sky during such a solar storm ， it63 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 earth64 a cold. Though this natural force is

7、 irresistible ， scientists canstill 65 its movement accurately by monitoring. Facing successive solarstorms， humans can' t drop their guard51A. sinceB. whenC. untilD. though52A. findsB. adjustsC. holdsD. takes53A. intensityB. heightC. widthD. densityA. pieceB. partC. roundD. set55A. starB. earthC. moonD. sun56A. dominateB. developC. damageD. descend57A. safeB. dangerousC. comfortableD. manageable58A. limitB. causeC. forceD. threat59A. separateB. benefitC. distinguishD. protect 60A. loseB. reachC. breakD. prepare 61A. polesB. mountainsC. riversD. lakes 62A. lightB. stormC. radiationD. p