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
2013-02-24
46
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【S1】______as our protective blanket on earth. Light gets Light, and this is essential for plants to make the food which we eat. Heat ,too, makes our environment【S2】______. Various kinds of rays come through the air from outer space ,but enormous【S3】______of radiation from the sun are【S4】______off. As soon as men leave the atmosphere they are【S5】______to this radiation but their spacesuits or the walls of their spacecraft ,if they are inside ,do prevent a lot of radiation damage.
Radiation is the greatest known danger to explorers in space. The unit of radiation is called "rem". Scientists have reason to think that a man can【S6】______up with far more radiation than 0.1 rem without being damaged; the figure of 60 rems has been【S7】______on. The trouble is that it is extremely difficult to be sure about radiation damage -- a person may feel perfectly well ,hut the cells of his or her sex organs may he damaged, and this will not be discovered until the birth of【S8】______children or even grandchildren.【S9】______of the Apollo flights have had to cross belts of high amount of rems. So far, no dangerous amounts of radiation have been reported, but the Apollo missions have been quite short. We simply do not know yet how men are going to get on when they spend weeks and months outside the protection of the atmosphere, working in a space laboratory. Drugs might help to【S10】______the damage done by radiation, but no really effective ones have been found so far.
A)missions B)acts C)decay
D)quality E)quantities F)shelter
G)screened H)deformed I)increase
J)agreed K)endurable L)exposed
M)behaves N)decrease O)put
【S3】
选项
答案
E
解析
本文的语境是描述来自太阳的大量辐射,在所提供的单词中有两个词形相近的名词:quantity和quality,quantity意为“量,数量”,quality 意为“质量,品质,性质”。根据原文的意思应该选择quantities。
转载请注明原文地址:https://kaotiyun.com/show/fuu7777K
0
大学英语四级
相关试题推荐
A、Holdviolentprotests.B、Tiethemselvestotrees.C、Providemorejobs.D、Maketreesintopaper.B细节辨认题。对话中,男士给女士介绍说在塔斯马尼亚岛人们通过
TodaythewriterHansChristianAndersenisknownasawriterofstoriesforchildren.Hepennedsomeofthebest-lovedfairyta
Marriageanddivorcearelife-changingevents,theeffectsofwhichareevidentininnumerableways.Bothmarriageanddivor
Ifyouweretoldthataparticularlydelicious-lookingice-creamcone(圆筒)containeddangerouschemicals,thentoldsoonaftert
It’stemptingtospendslowworkdaysthisholidayseasonshoppingforgiftsonline,butemployeesshouldthinktwice.Inarece
Forstudents,______(没有任何地方的教育币大学里的更好了);studyingthereislikebathingyourselfintheoceansofknowledge.
Whichofthefollowingistruewithinanatomaccordingtothepassage?Anelectricalcordcanbe______.
A、Inthepoorestregions.B、Inthecalamitousareas.C、Inthedevelopingcountries.D、Inthewealthycountries.C细节题。浏览选项可知,选项和国
A、Jackshoulddecideaboutthegamehimself.B、Theyhavetomakeanurgentdecision.C、Jackshouldtakeheradvice.D、Theycan’t
A、Bethebestofagroup.B、Solveproblemsquickly.C、Bebraveandtreatotherskindly.D、Acceptlifeasitis.C语义理解题。男士给女士提的最后
随机试题
下列哪种不是免疫性输血反应
关于医学图像存储叙述错误的是
脓疱疮早期首选的物理治疗是
A.购销记录B.购进记录C.零售业务D.批发业务E.及时报告未经批准,药品批发企业不得从事药品()
A.进货验收制度B.效期管理制度C.采购管理制度D.保管、养护管理制度E.拆零调配管理制度医疗机构采取控温、防潮、避光、通风等措施,保证药品质量,执行的制度是()。
甲公司经营高档餐厅,在内地完成布点,其连锁店也开到了香港、澳门特区和台湾地区,并已经编制完成了国际化经营的方案。该方案允许各地分店集中关注其所在地的消费需求、行业状况、政治法律制度和社会标准的特点,所以该方案选择的国际化经营战略是()。(2012年
主张从个人的本性和个体发展的需要来确定教育目的的教育家是()。
By1950,theresultsofattemptstorelatebrainprocessestomentalexperienceappearedratherdiscouraging.Suchvariationsin
设常数a∈[0,1],随机变量X~U[0,1],Y=|X一a|,则E(XY)=________.
Ofallthesenselesswaystoendupintheemergencyroom,gettinginjuredbecauseyou’rewalkingwhileusingyourcellphoneha
最新回复
(
0
)