首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
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
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
admin
2013-01-20
62
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.
【C12】
选项
A、get
B、make
C、have
D、do
答案
D
解析
逻辑衔接题。空格所在句的主干为their spacesuits or the walls of their spacecraft prevent,可见该句并不缺少谓语,故排除A、B、C三项。而“助动词do+动词原形”刚好用于强调谓语动词,所以D正确。
转载请注明原文地址:https://kaotiyun.com/show/t9u7777K
0
大学英语四级
相关试题推荐
Forsometimepastithasbeenwidelyacceptedthatbabies—andothercreatures—learntodothingsbecausecertainactsleadto"
InbothChinaandDenmarkchildrenare【S1】______andtheyreceiveagreatdealofattention.However,thewaychildrenareraised
Whenyouthinkaboutthegrowthofhumanpopulationoverthelastcenturyorso,itisalltooeasytoimagineitmerelyasani
Whenyouthinkaboutthegrowthofhumanpopulationoverthelastcenturyorso,itisalltooeasytoimagineitmerelyasani
EatanApple(Doctor’sOrders)Thefarmstandisbecomingthenewapothecary(药剂师),preparingandgivingoutapples—notto
AnewreportreleasedbytheAmericanFederationofTeachers(AFT)remindsusofatopiceducationwriterslikemealmostnever
A、Theycannotfindagoodmathteacher.B、Theycannotpasstheexamination.C、Theycannotmeettherequirements.D、Theycann
A、BecausetheyhadovercometroublestoachievesomefruitsinAfrica.B、Becausetheyhadinventednewequipmenttocompletethe
A、Inabookpublishingcompany.B、Inacardealer’slot.C、Inthestreet.D、Inanagent’soffice.C场景推断题。对话中男士语气强烈,质问女士走路不小心;女士说
Hestronglyholdsthebelief______(自信和勤劳能大大促使自己获得成功).
随机试题
幼儿在3岁时,已经基本上掌握了()左右个词。
下列伤寒各期,可见玫瑰疹的是
关于霍乱死亡病人的主要病理变化,下列哪项错误()
团体具有非常明显的社会影响,在组织行为学的研究中,社会懈怠是一个很普遍的现象,管理者可以通过()减少社会懈怠。
某制造企业为增值税一般纳税人,适用17%的增值税税率。2015年,该企业自行核算主营业务收入为2700万元,其他业务收人200万元,投资收益1100万元;扣除项目金额合计2865万元,实现利润总额1135万元。经注册会计师审核,发现下列情况:
汉赋全盛时期的主要作家有司马相如、班固、张衡和()。
某社区的社区卫生服务中心刚刚成立不久,居民还不了解其具体的服务内容。假如你是该社区的一位医务社会工作者,准备着手开发与运用社区资源工作,为社区居民健康提供服务。要求:请根据上述情况,设计一份社区服务方案。
有以下程序:#include<stdio.h>intfun(){staticintx=1:x+=1:returnx;}main()inti,s=1;for(i=1;i<=5;i++)s+=fun();printf("%d\
断电会使存储数据丢失的存储器是
AgovernmentofficialinBaghdadwhomIhadmetonprevioustripstothecity,amanIwillcallHarun,invitedmetohishomef
最新回复
(
0
)