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
2024-10-04
26
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] (13)
选项
A、unique
B、odd
C、small
D、rare
答案
D
解析
语义线索题。前面提到小行星撞击地球的概率是每50万年一次,因此概率是“罕见的,很少发生的”,故D正确。unique表示“唯一的,独特的”;odd表示“奇数的,单数的”;small表示“微小的,微不足道的”。
转载请注明原文地址:https://www.tihaiku.com/zcyy/3786906.html
相关试题推荐
Unlesswespendmoneytospotandpreventasteroidsnow,onemightcrashint
Unlesswespendmoneytospotandpreventasteroidsnow,onemightcrashint
Unlesswespendmoneytospotandpreventasteroidsnow,onemightcrashint
Unlesswespendmoneytospotandpreventasteroidsnow,onemightcrashint
Unlesswespendmoneytospotandpreventasteroidsnow,onemightcrashint
Unlesswespendmoneytospotandpreventasteroidsnow,onemightcrashint
Unlesswespendmoneytospotandpreventasteroidsnow,onemightcrashint
Unlesswespendmoneytospotandpreventasteroidsnow,onemightcrashint
Unlesswespendmoneytospotandpreventasteroidsnow,onemightcrashint
Unlesswespendmoneytospotandpreventasteroidsnow,onemightcrashint
随机试题
Ithasbeenchallengingformosttwentieth-centuryAmericanpolicy-m
[originaltext]M:Youknow,Ireallythinkyoushouldrunforclasspresident.E
HowtoBuyHappiness?TipsonWhattoLookoutforA)Ifyouhaveafewextrab
圆说:我虽然完美却从来不知满足,因为我知道,每一个终点都是新的起点。”这蕴含的哲
承担风险的意愿则是投资者的主观愿望,反映了投资者的(),它取决于投资者的心理状
正常脉象
免疫的三大功能是A.免疫稳定+免疫监视+免疫识别 B.免疫防御+免疫自稳+免疫
消渴可见A.口渴而不多饮 B.大渴喜冷饮 C.渴不欲饮 D.大渴引饮,小便
(2010年真题)下列出口货物中,免税但不予退税的有( )。A.古旧图书 B
银行承兑汇票的承兑银行,应当按照票面金额向出票人收取()的手续费。A:千分之一
最新回复
(
0
)