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
Unless we spend money to spot and prevent asteroids now, one might crash into Earth and destroy life as we know it, say some sci
Unless we spend money to spot and prevent asteroids now, one might crash into Earth and destroy life as we know it, say some sci
admin
2013-12-13
24
问题
Unless we spend money to spot and prevent asteroids now, one might crash into Earth and destroy life as we know it, say some scientists.
Asteroids are bigger versions of the meteorites that race(1)______ the night sky. Most(2)______ the sun far from Earth and don’t threaten us. But there are also thousands(3)______ orbits put them on a collision course with the(4)______.
Buy $50 million worth of new telescopes right now. Then spend $10 million a year for the next 25 years to (5)______ most of the space rocks. (6)______ we spot a fatal one, we’ll have a way to change its(7)______, the scientists say.
Some scientists(8)______ pushing asteroids off course with nuclear weapons. But the cost wouldn’t be cheap. Is it(9)______ it? Two things experts consider when judging any (10)______ are how likely the event is and how bad the(11)______ if the event occurs. Experts think an asteroid (12)______ enough to destroy lots of life might strike Earth once every 500,000 years. Sounds pretty(13)______ — but if one did fall, it would be the (14)______ of the world. "(15)______ we don’t take care of these big asteroids, they’ll take care of us. It’s that(16)______," says one scientist.
The(17)______, though, might be worse than the disease. Do we really want(18)______ nuclear weapons sitting around on Earth? "The world has(19)______ to fear from doomsday rocks than from a great nuclear fleet (20)______ them," said a New York Times article.
(7)
选项
A、passage
B、channel
C、course
D、discipline
答案
C
解析
语义线索题。这是典型的“语义复现题”,上文提到了a collision course,“改变轨道”用change its course,故C正确。passage“通行,通道,段”;channel“频道,途径,海峡”;discipline“纪律,学科”。 、
转载请注明原文地址:https://kaotiyun.com/show/vXFK777K
0
专业英语四级
相关试题推荐
Mikedecidesto______hispostattheendofthisweekbecauseheispoorlypaid.
Theparentsbelievethatthebusyroadisa______tothechildren’ssafety.
Icannotgiveyou______forthetypeoftireyousellbecausethereisnodemandforitinthemarket.
______racialproblemshavenotbeensolvedandfullequalityhasnotbeenattainedyet,progressinthesedirectionshasbeenqu
TheU.S.doesn’thaveanycollegesoruniversitiesthatserveonlyblindstudentsbecause_______.
Writeanoteofabout50-60wordsbasedonthefollowingsituation:TheNewYearHolidayisdrawingnearbutyouhavetosta
Whydoesthewomansaythe"dinner"questionistough?
YesterdayIwasinabadmoodandhekeptpesteringmewithvariousquestions,sofinallyIhad______withhim.
ThedirectorshaveameetingeveryFriday,unlessthereisnothingtodiscuss.Whichofthefollowingsentenceshasasimilarme
随机试题
下列不属于痛经临床表现的是
一个合同被确认为无效合同,双方约定的违约金为2万元,双方各有1万元的经济损失,甲乙双方都有过错,但甲方是主要过错方(75%过错),损失承担应为()。
根据《中华人民共和国土地管理法》的规定,征用土地补偿费由以下几个部分构成:土地补偿费、青苗费、()。
某公司属于风险厌恶型企业,现有甲、乙两个投资方案,两方案的期望值相等,甲方案的标准离差为0.35,乙方案的标准离差为0.23,则应选择()。
老师专心致志地讲课时,发现有学生开小差。老师应采取的措施是()。
某心理学实验有相互独立的一个实验组和一个控制组,为了考察两组连续型数据平均值之间的差异是否具有统计学意义,最恰当的统计方法是()。(2010年)
二十年来,我生活费中至少十分之一二是消耗在书上的。我的房子里比较贵重的东西就是书。书籍到了我的手里,我的习惯是先看序文,次看目录。页数不多的往往立刻通读,篇幅大的,只把正文任择一二章节略加翻阅,就插在书架上。除小说外,我少有全体读完的大部的书,只凭了购入当
对下列二叉树进行前序遍历的结果为()。
Flyingoveradesertareainanairplane,twoscientistslookeddownwithtrainedeyesattreesandbushes.Afteranhour’sfli
CreaturesoftheThermal(热量的)VentsThethree-personsubmersibleAlvinsankthroughthecold,darkwatersofthePacificOc
最新回复
(
0
)