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] 【C12】
选项
A、shown
B、exposed
C、faced
D、covered
答案
B
解析
固定搭配。该句意思是说宇航员暴露于辐射状态中。be exposed to意为“暴露于”,符合句意,故选之。此外,该词也可用作expose oneself to,意思为“使自己暴露于”。show意为“展示”,face意为“面对”,cover意为“覆盖”,常用短语为be covered with/by,意为“被……覆盖”。
转载请注明原文地址:http://tihaiku.com/zcyy/2837424.html
相关试题推荐
Moreoftenthannot,itisdifficultto______theexactmeaningofaChineseidi
ShouldWeResumetheTraditionalChineseCharacters?1.有人提出恢复使用繁体字2.有人对此反对3.你的
Thisbookisaboutthelifeofa__________(中国当代著名作家).famousChinesecontempora
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsible
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsible
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsible
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsible
Chinesestudentsfoundithardforthemto______(适应美国课堂的氛围).Adapttotheatmosph
TheChinesefairystoryFlyingtotheMoonnowturnstobetrue,withChina【
TheChinesefairystoryFlyingtotheMoonnowturnstobetrue,withChina【
随机试题
Friendshipisoneofthebasicbondsbetweenhumanbeings.Whilethecharact
Yourweightaffectshowlongyoulive—butit’sextremelycomplicated
编著城市修建性详细规划时,以下哪一项不是必须包括的内容?A.建设条件分析及综合技
A.齐刺 B.平刺 C.斜刺 D.直刺 E.扬刺针刺时,针身与皮肤表面呈
中国证监会及其派出机构对期货公司及其分支机构进行检查,可以采取的措施有()。A
弗洛伊德认为性心理的发展可分为()个阶段。 (A)3(B)4
能清热解毒、排脓消痈,为治肺痈的要药是A.青黛 B.鱼腥草 C.大血藤 D
商品归类题 氯磺化聚乙烯(非线型、低密度)()
下列关于混凝土工程施工,叙述正确的有()。A.采用自落式搅拌机时,搅拌时间宜延
基础代谢率的正常范围是不超过正常平均值的A.±5%~±10% B.±0%~±5
最新回复
(
0
)