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What does the news item mainly talk about?
What does the news item mainly talk about?
admin
2015-09-30
76
问题
What does the news item mainly talk about?
(8)The US space agency NASA has warned that astronauts on any future mission to Mars would be exposed to so much radiation getting there that they probably develop a fatal cancer. The findings come from data gathered by a NASA spaceship, the Curiosity rover. NASA’s Curiosity rover measured the radiation falling on it as it cruises through space for eight months to get the red planet. It allows scientists to put some realistic numbers on the risks astronauts would face making the same trip. They will be bombarded with damaging particle from the Sun and from deep space, raising the probability of getting a fatal cancer and developing neurological and eyesight problems. The only real solution, say researchers, is simply to get to Mars and the relative protection of its surface as quickly as possible.
选项
A、The Curiosity rover finally got on Mars after eight months cruising.
B、NASA launched a new spaceship—the Curiosity rover.
C、Astronauts getting on Mars would develop cancer due to radiation.
D、Astronauts can be protected from the radiation by lots of methods.
答案
C
解析
本题考查文章主旨。根据句(8)可知,美国航空航天局警告说,未来登陆火星的宇航员将接触大量的辐射,而且极有可能致癌,故答案为[C]。
转载请注明原文地址:https://kaotiyun.com/show/h6KO777K
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