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
18
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] 【C18】
选项
A、what
B、which
C、that
D、why
答案
C
解析
逻辑衔接题。该从句并不缺少句子成分,故排除what和which;语法上看why和that都可以,这就要从意思及逻辑上判断。此句和下一句间用的是分号,分析它们之间的关系。下旬中有60 rems,而之前有提到100 millirems再看本句,不难发现far more radiation______ this正是这两个数字的比较。也就是分号后的句子只是对分号前信息的进一步说明即为什么是far more,而不是讲have reason to think的原因,故选C。
转载请注明原文地址:https://tihaiku.com/zcyy/3458792.html
相关试题推荐
[originaltext](32)Manyanimalsrecognizetheirfoodbecausetheyseeit.So
Becausesomanypeopleintheirteensandearly20sareincreasinglysociali
Becausesomanypeopleintheirteensandearly20sareincreasinglysociali
Becausesomanypeopleintheirteensandearly20sareincreasinglysociali
Becausesomanypeopleintheirteensandearly20sareincreasinglysociali
Becausesomanypeopleintheirteensandearly20sareincreasinglysociali
Becausesomanypeopleintheirteensandearly20sareincreasinglysociali
[originaltext]W:Whydidn’tyouhaveyourphysicsclasstoday?M:Becauseonly
[originaltext]W:Whydidn’tyouhaveyourphysicsclasstoday?M:Becauseonly
[originaltext]W:Whydidn’tyouhaveyourphysicsclasstoday?M:Becauseonly
随机试题
Comeandseemewhenever______.A、youareconvenientB、youwillbeconvenientC、i
A.likeB.depressedC.conflictD.accessingE.
IrememberatripIoncemadetomygrandmother’shouse.Shelivedatab
Wehadtowaitinlinefor30minutesbecauseonlyafewclientswereallowedin
EveryoneremembersthewhitewashingsceneinTheAdventuresofTomSawyer.Bu
初中语文《孙权劝学》 一、考题回顾 二、考题解析 【教学过程】
(2017年真题)股权投资基金会计核算工作的会计责任主体为()。A.基金托
信用利差是用以向投资者()的、高于无风险利率的利差。A.补偿利率波动风险
A.少尿、无尿 B.喉头水肿 C.体温升高达40℃ D.手足抽搐 E.穿
以下不属于城市空间环境演进的基本规律的是()A.从生活性城市空间到生产性城市
最新回复
(
0
)