首页
登录
职称英语
The Chinese fairy story Flying to the Moon now turns to be true, with China【
The Chinese fairy story Flying to the Moon now turns to be true, with China【
游客
2023-07-14
57
管理
问题
The Chinese fairy story Flying to the Moon now turns to be true, with China【C1】______the country’s second unmanned lunar probe, Chang’e 2 on 1st October, 2010. This mission marked another step for China’s pursuit of moon exploration. In fact, people all over the world have been and are【C2】______developing technologies for the exploration of deep space and the peaceful use of outer space, as space is actually 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【C3】______our protective blanket on【C4】______. Light gets through, and this is essential【C5】______plants to make the food which we【C6】______. Heat,【C7】______, makes our environments tolerable and some ultraviolet rays (紫外线的) penetrate the【C8】______. Cosmic (宇宙的) rays of various kinds come【C9】______the air from outer space, but【C10】______quantities of radiation from the sun are screened off.【C11】______men leave the atmosphere they are【C12】______to this radiation; 【C13】______their spacesuits or the walls of their spacecraft, if they are inside, 【C14】______prevent a lot of radiation damage. Radiation is the greatest known danger to explorers in【C15】______. Doses of radiation are measured in【C16】______called "rents (雷目)". We all【C17】______radiation here on earth from the sun, from cosmic rays and from radioactive minerals. The "【C18】______" dose of radiation that we receive each year is about two millirems; it【C19】______according to where you live, and this is a very rough estimate. Scientists have reason to think that a man can【C20】______far more radiation than without being damaged; the figure of 60 rems has been agreed. [br] 【C10】
选项
A、valid
B、enormous
C、various
D、proper
答案
B
解析
词汇辨析。本句意思是说大量来自于太阳的辐射被屏蔽了,故enormous符合句意,意为“大量的”。句中screen off意为“隔开”。valid意为“有效的”,various意为“各种各样的”,proper意为“合适的”,均不符合题意。
转载请注明原文地址:https://tihaiku.com/zcyy/2837422.html
相关试题推荐
ShouldWeResumetheTraditionalChineseCharacters?1.有人提出恢复使用繁体字2.有人对此反对3.你的
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsible
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsible
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsible
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsible
Chinesestudentsfoundithardforthemto______(适应美国课堂的氛围).Adapttotheatmosph
TheChinesefairystoryFlyingtotheMoonnowturnstobetrue,withChina【
TheChinesefairystoryFlyingtotheMoonnowturnstobetrue,withChina【
TheChinesefairystoryFlyingtotheMoonnowturnstobetrue,withChina【
TheChinesefairystoryFlyingtotheMoonnowturnstobetrue,withChina【
随机试题
Iftelevisionprogramsdidnotfeaturecriminals,they______resultinincrease
Whatyousayisnot______withwhatyoudo.A、relevantB、simultaneousC、consiste
FiveMythsAboutAbrahamLincolnA)NoAmericanhero,withth
Munich’sfirst"Oktoberfest"everwasheldin1810tocelebratearoyalwedd
Whathavescienceandtechnologybroughthumanbeings?Scienceandtechnologyha
A.血清促胃液素(胃泌素)升高 B.血清胰岛素升高 C.血清AFP升高 D
符合《证券投资基金管理办法》对证券投资基金利润分配要求的有( )。 Ⅰ.封闭
利尿作用与抗醛固酮活性有关的是A.茵陈色原酮B.泽泻醇C.茯苓酸D.茯苓素E.猪
A.骨髓铁染色细胞内、外铁显著增多,易见环形铁粒幼细胞B.过氧化酶染色强阳性反应
下表为2008年1-12月,浙江省外商直接投资情况表(单位:万美元)。根据下表,
最新回复
(
0
)