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
60
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
Haveyoueverheardtheoldsaying,"Neverjudgeabookbyitscover"?This
某厂锅炉房安装了两台燃煤链条蒸汽锅炉,采用多管旋风除尘器,除尘效率为92%,因附
对袋式除尘器的过滤风速的论述,下列哪几项是正确的?()A.袋式除尘器的过滤风
关于功能性矫治器,下列说法错误的是A.功能性矫治器,主要用于口面肌肉功能异常所引
A.成纤维细胞 B.表皮细胞 C.内皮细胞 D.中性粒细胞 E.巨噬细胞
薪酬由()等构成。A.基本薪酬 B.固定薪酬 C.可变薪酬 D.中长
幼儿注意的稳定性的特点包括哪几个方面?
某甲醇厂房,结构如图,泄压比为0.2,该厂房泄压面积为()㎡。 注:16000
有些行为表面上造成了损害,符合了犯罪构成要件,但是由于特殊事由,却被刑法排除了社
扩张型心肌病超声心动图检查不可能出现A.心室扩大 B.三尖瓣反流 C.二尖瓣
最新回复
(
0
)