2020年12月英语四级听力篇章3答案解析：（沪江网校）

2020年12月英语四级考试已经结束，沪江第一时间为大家准备了四级听力篇章3答案，快来对答案吧！

Passage 3

Thanks to the International Space Station we know quite a bit about the effects of low gravity on the human body, but NASA scientists want to learn more. To that end, they have been studying how other species deal with low gravity, specifically focusing on mice（22）. The results are both interesting and humorous.

 

The scientists first send some mice in a specially designed cage to the International Space Station. The cage allowed them to study the behavior of the mice remotely from Earth via video. As you noticed in the video, the mice definitely seem uncomfortable at the beginning of the experiment. They move around clumsily, drifting within the small confines of the cage and do their best to figure out which way is up, but without success. (23) However, it’s not long before the mice begin to catch on. They adapt remarkably well to their new environment and even using the lack of gravity to their advantage as they push themselves around the cage.

 

That’s when things really get wild. The 11^th day of the experiment shows the mice are not just dealing with the gravity change but actually seem to be enjoying it. (24) Several of the mice are observed running around the cage walls.

 

The scientists wanted to see whether the mice would continue doing the same kinds of activities they were observed doing on Earth. The study showed that the mice kept much of their routines intact, including cleaning themselves and eating when hungry. (25)

 

Q22 What do Nasa scientists want to learn about?

Q23 What does the passage say about the mice at the beginning of the experiment?

Q24 What was observed about the mice on the 11^th day of the experiment?

Q25 What did the scientists find about the mice from the experiment?

 

文章来源：https://bgr.com/2019/04/15/mice-in-space-zero-gravity/

主题：Nasa的科学家想要知道更多低重力对物种的影响（航天科技）

出题点：文章开头；提示词；文章结尾

考点：细节考察，重要信息

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