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
2023-07-16
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] 【C15】
选项
A、receive
B、accept
C、bring
D、catch
答案
A
解析
词义辨析题。receive表示客观收到,符合句意,所以A正确。accept表示主观接受,而我们受到辐射并非主观接受,故排除;C、D均不符合句意,排除。
转载请注明原文地址:https://tihaiku.com/zcyy/2842525.html
相关试题推荐
Theauthorreferstotheoceanbottomasa"frontier"inParagraph1becauseit
Theauthorreferstotheoceanbottomasa"frontier"inParagraph1becauseit
Theauthorreferstotheoceanbottomasa"frontier"inParagraph1becauseit
They______becausethelight’son!A、musthavegoneoutB、can’thavegoneoutC、
Mr.WhiteandMrs.Whitehaveto____________________(缩短蜜月)becausethesecretar
They____________(被拒绝进入)themilitaryexhibitionbecausetheywereforeigners.
The__________oftherelieftothefloodedareawasheldupbecauseoftheincon
Itwasdifficultforhimtobuygoodshoesbecausehehadsuchabig______off
Spaceisadangerousplace,notonlybecauseofmeteors(流星)butalsobecause
Spaceisadangerousplace,notonlybecauseofmeteors(流星)butalsobecause
随机试题
AttachmentParentingisnotIndulgentParenting.Attachmentparentsdonot"
[audioFiles]audio_eham_j71_001(20082)[/audioFiles]A、Attherestaurant.B、Atthe
A—Cost,InsuranceandFreightB—ChamberofCommerceC—BalanceSheet
社会医学最主要的研究方法是A.试验研究 B.评价研究 C.调查研究 D.数
流行性脑脊髓膜炎的流行病学史是指()A.与恢复期患者共用餐具,夏季流行
加筋土挡土墙的施工主要工序有()。A.肋柱安装 B.填料填筑与压实 C.地
表中海拔高度位居第三的城市,其最湿月平均降水量约占全年平均降水量的:A.15
企业法定代表人对本单位的安全生产负( )。A.全面责任 B.安全生产技术领导
下列不属于人身保险的是()。A.人寿保险 B.意外伤害保险 C.健康
模仿法的五种具体方式中包括( )。A.生活示范 B.学习示范 C.内隐示范
最新回复
(
0
)