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
67
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] (16)
选项
A、open
B、pure
C、simple
D、weird
答案
C
解析
语义线索题。根据这位科学家所说:如果我们不注意那些大的小行星的话,它们就会来“注意”我们了,这是一个很简单的道理。因而选C。A、B两个选项与语义并不符合;weird意思是“古怪的”,但科学家并无此意。
转载请注明原文地址:http://tihaiku.com/zcyy/3172345.html
相关试题推荐
Whatpreventsthemanfromtakingthepoetsofthe1960sclass?[br][originalt
Shehadtoexerciseallhertacttoprevent______betweenthetwoopinionatedg
Unlesswespendmoneytospotandpreventasteroidsnow,onemightcrashint
Unlesswespendmoneytospotandpreventasteroidsnow,onemightcrashint
Unlesswespendmoneytospotandpreventasteroidsnow,onemightcrashint
Unlesswespendmoneytospotandpreventasteroidsnow,onemightcrashint
Unlesswespendmoneytospotandpreventasteroidsnow,onemightcrashint
Unlesswespendmoneytospotandpreventasteroidsnow,onemightcrashint
Unlesswespendmoneytospotandpreventasteroidsnow,onemightcrashint
Unlesswespendmoneytospotandpreventasteroidsnow,onemightcrashint
随机试题
【B1】[br]【B3】A、livedB、wereC、hadB由后面的large立刻排除[A]lived和[C]had。选[B]were。
Humanaresocialanimals.Theydependongroupsforsurvival.Anindividual
[originaltext]InJanuary1989,theCommunityofEuropeanRailwayspresented
[audioFiles]audio_eusm_j26_001(20082)[/audioFiles]A、Fred.B、Joe.C、Marina.D、So
施工质量计划的内容一般包括()。A.工程特点及施工条件分析 B.工程检测项目
根据《水电工程移民专业项目规划设计》(DL/T5379—2007),工矿企业淹
引起Ⅰ度房室传导阻滞的主要原因是:()A.心肌炎 B.发热 C.
Thechangeinthatvillagewasmiraculou
动物能哺育幼仔,因此在高等动物之间也有低级形式的教育。
目前对儿童支气管哮喘慢性持续期,首选的药物治疗是( )。A.静脉应用氨茶碱
最新回复
(
0
)