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
2024-02-15
35
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/3453688.html
相关试题推荐
TheChinesepeoplewillneveryield______anymilitarythreatfromanycountry.
Moreoftenthannot,itisdifficultto______theexactmeaningofaChineseidi
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsible
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsible
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsible
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsible
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsible
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsible
Chinesestudentsfoundithardforthemto______(适应美国课堂的氛围).Adapttotheatmosph
TheChinesefairystoryFlyingtotheMoonnowturnstobetrue,withChina【
随机试题
Youwillhearabusinesspresentationabouthowtosolvebusinessproblems.Asy
Youwillhearaconsultantspeakingataconferenceaboutabusinesscollege
Whyitisunrealistictosendastronautsbacktothemoonnow?[br][originalte
某工程,建设单位和施工单位按《建设工程施工合同(示范文本)》签订了施工合同,在施
A. B. C. D.
有关夜尿增多正确的是A.夜间尿量超过白天尿量 B.尿路感染时夜尿增多 C.夜
聚乙二醇作为水溶性软膏基质的优点不包括A:容易涂展B:释药速度快C:吸湿性强
投标价格为20000美元FOB纽约。国际运费为100美元,运输保险费率为1‰,投
()滚动交收方式目前适用于我国的A股、基金、债券、回购交易等。A:T-1B:T
下列选项中,关于安全目标管理的说法,错误的是()。A.安全目标管理的基本内容包
最新回复
(
0
)