Buy $ 50 million worth of new telescopes right now. Then spend $ 10 million a year for the next 25 years to locate most of the space rocks. By the time we spot a fatal one, the scientists say, we ll have a way to change its course.
Some scientists favor pushing asteroids off course with nuclear weapons. But the cost wouldn t be cheap.
Is it worth it? Two things experts consider when judging any risk are: 1) How likely the event is; and 2) How bad the consequences if the event occurs. Experts think an asteroid big enough to destroy lots of life might strike Earth once every 500,000 years. Sounds pretty rare but if one did fall, it would be the end of the world. If we don t take care of these big asteroids, they ll take care of us. says one scientist, It s that simple.
The cure, though, might be worse than the disease. Do we really want fleets of nuclear weapons sitting around on Earth? The world has less to fear from doomsday(毁灭性的)rocks than from a great nuclear fleet set against them. said a New York Times article.
Q: Which of the following best describes the author s tone in this passage?
A) Optimistic. B) Critical.
C) Objective. D) Arbitrary.
【题目译文】下列选项中哪一项最恰当地表达了作者的态度?
【答案解析】C。纵观全文可发现,文章通篇分析了小行星撞击地球的可能性并探讨其解决方法,没有给出作者自己的观点,都是引用 some scientists , the scientists , experts 和 a New York Times article 的话,由此可推断出作者的态度是客观的。选项A 乐观的 ,B 批判的 ,D 武断的 ,均不符合题意。
【攻克大学英语四级:阅读篇Day 4态度题】相关文章:
最新
2016-10-18
2016-10-11
2016-10-11
2016-10-08
2016-09-30
2016-09-30