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
51
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] (10)
选项
A、harm
B、risk
C、loss
D、waste
答案
B
解析
语义线索题。前面提到有些科学家赞同用核武器把小行星推离其原有的轨迹,这种做法显然是存在风险的,故risk正确。
转载请注明原文地址:http://tihaiku.com/zcyy/3172339.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
DothefollowingstatementsagreewiththeinformationgiveninReadingPassage
[originaltext]W:Whatonearthhashappenedtoyou?Youlookabsolutelywornou
若管理员需要在Switch上创建VLAN2,并要在GE1/0/1和GE1/0/
道德依靠( )约束人的行为。A.社会舆论 B.传统习俗 C.内心信念 D
A.生冷 B.辛辣 C.油炸 D.滑黏 E.腥臭热性病患者服寒凉药时,宜
小崔,某企业普通职员,目前没有投保任何商业保险,并于去年购置了一处房产,于今年3
《红楼梦》塑造了数百名人物形象,尤以女性形象最为出色,金陵十二钗就是其中的突出代
关于在岩溶地区选择公路、铁路路线,下列说法错误的是()。 A.在可溶性岩石分
在下列几项反映国民经济发展的指标中,属于数量指标的是()。 A.国内生产总值
患者男,30岁。近2周前牙咀嚼疼痛,且牙龈肿胀有脓液流出,2年前该牙曾因龋坏而疼
最新回复
(
0
)