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] (15)
选项
A、Unless
B、If
C、Because
D、Since
答案
B
解析
关联词题。此题可以用排除法,该句前后两部分并不构成因果关系,故排除C、D。unless不符合逻辑。B为正确答案。
转载请注明原文地址:https://tihaiku.com/zcyy/3786908.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
Thereareanumberofphrasesbuiltontheword"put",amongwhichistheexpr
Itissaidthatnorosegrowswithoutathorn.Theitalicizedpartfunctionsas
某车间产生的余热为70kW,室内温度为30℃,为消除余热采用自然通风,上下窗中心
以下属于投资收益分析的比率包括()。 Ⅰ.市盈率 Ⅱ.已获利息倍数 Ⅲ.
医德规范是指导医务人员进行医疗活动的A.思想准则 B.行为准则 C.技
Thechangeinthatvillagewasmiraculou
负责药品广告审批的是A.劳动和社会保障部门 B.经济贸易部门 C.物价部门
在写字楼市场比较理想的情况下,写字楼市场租金和基础租金之间的关系一般是()A:市
患者,男,16岁。发热腹痛,里急后重,大便有脓血,舌质红,脉滑数。建议选用黄连配
不符合施工组织设计编制原则的是()。A.符合施工合同或招标文件中有关工程进度
最新回复
(
0
)