首页
登录
职称英语
Unless we spend money to spot and prevent asteroids now, one might crash int
Unless we spend money to spot and prevent asteroids now, one might crash int
游客
2023-11-09
45
管理
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. [br] (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:http://tihaiku.com/zcyy/3172336.html
相关试题推荐
ThedirectorshaveameetingeveryFriday,unlessthereisnothingtodiscuss.W
Unlessallstaffmembersagreeto______totheplan,theremaybefurtherchang
WewillvisitEuropenextyear______wehaveenoughmoney.A、lestB、untilC、unless
【B1】[br]【B3】A、IfB、AsC、ThoughD、UnlessA此处应该使用表示假设的从属连词,只能选If。
Unlessallthemembersagreeto______totheplantheremaybefurtherdevelopm
Whatpreventsthemanfromtakingthepoetsofthe1960sclass?[br][originalt
Shehadtoexerciseallhertacttoprevent______betweenthetwoopinionatedg
Unlesswespendmoneytospotandpreventasteroidsnow,onemightcrashint
Unlesswespendmoneytospotandpreventasteroidsnow,onemightcrashint
Unlesswespendmoneytospotandpreventasteroidsnow,onemightcrashint
随机试题
Indozensofyears,therearemorecasesoftheinvasionofalienspeciespartly
TodayAmericanparentsarefindingthemselvesinadilemmaabouthowtodeal
Thesuntodayisayellowdwarfstar.Itisfueledbythermonuclearreaction
IntheUnitedStatestoday,thecostofhousingisveryhigh.Itisvery【B1】
功能清胃止呕,可用于胃热呕吐的药物是A、砂仁 B、生姜 C、半夏 D、竹茹
下列关于毒蛇咬伤的临床表现正确的是A、神经毒潜伏期短,吸收速度慢 B、神经毒局
股权投资基金的收益分配,主要在( )之间进行。A.投资者和托管人 B.投资者
不属于腹膜透析适应证的是A.肾盂肾炎 B.急性肾衰竭 C.急性药物中毒 D
2017年,某省全省园林水果面积1987.30万亩,比上年增长4.8%,其中,苹
行政诉讼是国家诉讼制度的基本形式之一。关于行政诉讼,下列哪些说法正确:A.村民甲
最新回复
(
0
)