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
3
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:https://tihaiku.com/zcyy/3786900.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
HalloweenisoneofthemostfamousholidaysintheU.S.,anditisonOct
当前我国许多地区缺乏粗、中砂,而采用特细砂配制混凝土时,以下哪项措施不可取?(
风险管理部门在()的领导下,对银行承担的风险进行识别、计量、监测、控制、缓释以
P波电压正常,时间>0.11s,且切迹双峰间距离≥0.04s见于A.左室增大
Thechangeinthatvillagewasmiraculou
《中华人民共和国教师法》于( )起开始施行。A.1995年9月10日 B
物业管理的早期介人是建设单位引人的() A.设计工作B.工程监理工作
下列关于股份有限公司的发起人的表述,正确的是()。 A.设立股份有限公司,应
共用题干 牙病防治所张老师带助理执业医师实习组到某小学开展窝沟封闭防龋措施。在
关于冬期施工砌体工程的说法正确的有( )。A.应编制冬期施工专项方案,必须经过专
最新回复
(
0
)