首页
登录
职称英语
Space is a dangerous place, not only because of meteors(流星)but also because of r
Space is a dangerous place, not only because of meteors(流星)but also because of r
游客
2023-07-18
12
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.【C9】______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 "rem(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 two milligrams; it【C17】______according to where you live, and this is a very rough estimate. Scientists have reason to think【C18】______a man can【C19】______far more radiation【C20】______without being damaged; the figure of 60 rems has been agreed. [br] 【C15】
选项
A、receive
B、accept
C、bring
D、catch
答案
A
解析
receive表示客观收到:accept表示主观接受。我们受到的辐射并非主观接受。
转载请注明原文地址:https://tihaiku.com/zcyy/2848303.html
相关试题推荐
Becausesomanypeopleintheirteensandearly20sareincreasinglysociali
Becausesomanypeopleintheirteensandearly20sareincreasinglysociali
Becausesomanypeopleintheirteensandearly20sareincreasinglysociali
Becausesomanypeopleintheirteensandearly20sareincreasinglysociali
Becausesomanypeopleintheirteensandearly20sareincreasinglysociali
Becausesomanypeopleintheirteensandearly20sareincreasinglysociali
[originaltext]W:Whydidn’tyouhaveyourphysicsclasstoday?M:Becauseonly
[originaltext]W:Whydidn’tyouhaveyourphysicsclasstoday?M:Becauseonly
[originaltext]W:Whydidn’tyouhaveyourphysicsclasstoday?M:Becauseonly
YadinneededhundredsofpeopletohelphimbecausethepalaceofMasadawashug
随机试题
Whenyou’reeightmonthspregnant,it’shardtofindagoodinterviewsuit.
Atage17,asaseniorinhighschool,KavitaShuklafiledforhersecondpa
1.大学破格录取人才的现象越来越普遍2.人们对其意见不一3.我认为……
Spaceisadangerousplace,notonlybecauseofmeteors(流星)butalsobecau
卵巢( )A.位于髂血管的分叉处 B.为腹膜内位器官 C.后缘有
进行水泵管路系统设计时,一般吸水管比压水管的流速低,这主要目的是减小吸水管的(
扁桃体上端的粘膜皱襞被称为()A.半月襞 B.腭舌弓 C.腭咽弓
患者女,51岁,子宫肌瘤切除术后第5天,手术切口疼痛,红肿,体温38.3℃,考虑
道德是在人们社会生活实践中形成的,由以下内容决定的是A.经济基础 B.文化发展
个人贷款管理的流程大致为()。A.贷款的受理与调查—贷款的审查与审批—贷款
最新回复
(
0
)