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
6
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://www.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
PassageTwo[br]WhydidTitzenotrecommendlosingweightthroughahigh-sa
Itis【C1】______spring,andallofusarethankfultoseetreesbloominga
Whycan’tyoudothissmall_____forme?I’vehelpedyouoftenenoughinthepas
[originaltext]M:Hello,Ihaveareservationfortonight.W:Yourname,please.
下列属于云计算特征的是( )。A.环境感知 B.高可靠性 C.超大规模
市政债的定价不得高于同期限银行储蓄定期存款利率的()A.45% B.35%
A.疏肝解郁 B.清热化痰 C.调和冲任 D.益气养阴 E.以上都不是肉
高血压病的治疗原则低危患者()A.立即进行抢救治疗 B.立即使用抗高血压药物
不属于口腔医师防护的是( )。A.护目镜 B.手套 C.白大衣 D.口罩
某村民在冬季较密闭的房内围着一盆煤火编织席子,致使中年妇女出现眩晕、头痛、恶心,
最新回复
(
0
)