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
29
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] (2)
选项
A、surround
B、orbit
C、cycle
D、enclose
答案
B
解析
词汇辨析题。根据常识,行星围绕太阳转动,orbit“绕轨道运行”符合语义.故B为答案。surround“环绕,围绕”,常用于被动语态be surrounded by“……被……所围绕”;cycle作动词时,表示“骑自行车”;enclose“(用篱笆或围墙)围起来”。
转载请注明原文地址:https://tihaiku.com/zcyy/3786895.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
Areyouworriedbytherisingcrimerate?Ifyouarethenyouprobablyknow
Whatisthemaintopicoftheinterview?[originaltext]Interviewer(M)JeanChatzk
[originaltext]W:Dr.Thomas?ThisisKeetBradleyfromtheDailyNews.I’dlike
三十岁孕妇,宫内妊娠28周,乏力、恶心、呕吐3日来诊。既往史无特殊。查体:宫高2
有头疽切开时常用切口A."十"字形 B.纵行 C.弧形切口 D.顺皮纹切口
下列关于审计证据的说法表述正确的有()。A.审计证据是评价审计事项的事实根据
胃癌的主要并发症除外A、感染 B、幽门梗阻 C、贲门梗阻 D、胃穿孔 E
《安装计量规范》中规定的基本安装高度为5m的是()。A.通风空调工程B.建
下表是2005年某地区简略寿命表的一部分根据表中的数据计算②处的值为 A.41
在编制资产负债表时,应根据总账科目的期末贷方余额直接填列的项目有()。A、应收利
最新回复
(
0
)