首页
登录
职称英语
Space is a dangerous place, not only because of meteors(流星)but also because
Space is a dangerous place, not only because of meteors(流星)but also because
游客
2024-02-17
17
管理
问题
Space is 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【C1】______our protective blanket on【C2】______. Light gets through, and this is essential【C3】______plants to make the food which we【C4】______. Heat,【C5】______, makes our environments tolerable and some ultraviolet rays(紫外线)penetrate the【C6】______. Cosmic(宇宙的)rays of various kinds come【C7】______the air from outer space, but【C8】______quantities of radiation from the sun are screened off. As【C9】______as men leave the atmosphere they are【C10】______to this radiation;【C11】______their spacesuits or the walls of their spacecraft, if they are inside,【C12】______prevent a lot of radiation damage.
Radiation is the greatest known danger to explorers in【C13】______. Doses of radiation are measured in【C14】______called "rems(雷姆)". We all【C15】______radiation here on earth from the sun, from cosmic rays and from radioactive minerals. The "【C16】______"dose of radiation that we receive each year is about 100 millirems; it【C17】______according to where you live, and this is a very rough estimate. Scientists have reason to think【C18】______a man can【C19】______up with far more radiation【C20】______this without being damaged; the figure of 60 rems has been agreed. [br] 【C20】
选项
A、from
B、than
C、as
D、away
答案
B
解析
惯用搭配题。more(radiation)后面应接than,所以B正确。
转载请注明原文地址:https://tihaiku.com/zcyy/3458794.html
相关试题推荐
Thewriter’sfirstmarriagewasunsuccessfulbecause______.[br]Thewriter’sm
Thewriter’sfirstmarriagewasunsuccessfulbecause______.[br]Whenthewrite
Spaceisadangerousplace,notonlybecauseofmeteors(流星)butalsobecauseofr
Spaceisadangerousplace,notonlybecauseofmeteors(流星)butalsobecauseofr
Spaceisadangerousplace,notonlybecauseofmeteors(流星)butalsobecauseofr
Spaceisadangerousplace,notonlybecauseofmeteors(流星)butalsobecauseofr
Spaceisadangerousplace,notonlybecauseofmeteors(流星)butalsobecauseofr
Spaceisadangerousplace,notonlybecauseofmeteors(流星)butalsobecauseofr
Spaceisadangerousplace,notonlybecauseofmeteors(流星)butalsobecauseofr
Spaceisadangerousplace,notonlybecauseofmeteors(流星)butalsobecauseofr
随机试题
UNICEFisjoiningwithanonprofitgrouptobringAIDS【T1】______programsto
若则a等于( )。A.0 B.1 C.2 D.3
下列属于电磁波测距仪的是()。A.激光测距仪 B.红外光测距仪 C.微波测
事业单位与工作人员订立的聘用合同,期限一般不低于3年。()
胎膜早破时,阴道液涂片检查可以见到A.块状结晶 B.点状结晶 C.羊齿状结晶
直肠癌根治术后,人工肛门开放初期,患者宜采取的体位是A、右侧卧位 B、平卧位
某日,我国外汇交易中心的外汇牌价为100美元等于611.5元人民币,这种汇率标价
下列关于刑事诉讼的秩序价值的表述,错误的是:()A.追究犯罪的活动必须是有
现场施工准备质量控制中,对于进口材料、构配件和设备,联合检查由()组织。A
隧道开挖后,喷锚支护施工采用的混凝土,宜优先选用()。 A.火山灰质硅酸盐水泥
最新回复
(
0
)