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
62
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:http://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
Formanypeopletoday,readingisnolongerrelaxatioaTo【C1】______theirwor
DespicableCharactersAreNewHeroesA)InfilmsandTVshows
Usingacomputerorsmartphoneatnightcancauseustopileonthepounds,n
傣族的年节称()。A.中元节 B.浴佛节 C.关门节 D.开门节
A.激素 B.泻药 C.食醋 D.氢氧化锌凝胶 E.氢氧化钠食管误吞或吞
Thechangeinthatvillagewasmiraculou
A.药物的吸收过程B.药物的消除过程C.药物的光学异构体D.药物的分布过程E.药
组成核酸的基本单位是A:氨基酸 B:单核苷酸 C:多核苷酸 D:DNA
当企业受环境和资源限制的时候会选择稳定战略,稳定战略的主要类型不包括(
根据《建设工程质量保证金管理办法》,下列关于缺陷责任与保修责任的说法,正确的是(
最新回复
(
0
)