live,因为文章中提到了人类是否能在火星上“生活”。 3. 答案为 B. arrive,因为文章指出答案将在2044年“到达”。 4. 答案为 A. space,因为文章讨论的是火星,而火星位于“太空”。 5. 答案为 D. know,因为文章暗示我们将在2044年“知道”这些问题的答案。 6. 答案为 C. be afraid of,因为文章中提到了...
Humans aren't built to live in space, and being there can bring serious health risks. Scientists have found a new risk to space travel. They have discovered that our DN A can change when going into space. DN A mutations(突变) could increase the risk of space travelers getting cancer.The...
One thing needed for humans to live in space is food that can be grown outside of Earth. Let’s look at some of the latest progress scientists have made in space farming. Making small steps toward moon farming Researchers at the University of Florida, US, have been able to grow plants ...
To get to the bottom of this question, we need to look at two important factors: How sound travels, and what's actually out there in space. Once we have this information, we should be able to tell if humans can really hear in space. So how does sound travel? Keep reading to find ...
In this article, we’ll take a look at some of the technologies that could enable humans to live on Mars.
C. To find out how long humans can stay in space. D. To study how space travel produces a change in the human body.65. What's Scott's advice for young pcople? A. To get into good habits. B. To find whnt they love. C. To keep trying. D. To take up new hobbies. 相...
D. Moving his body. 相关知识点: 试题来源: 解析 D. To understand how long humans can stay in space . What is Kelly's way of dealing with loneliness? A. Following a schedule. B. Being nice to himself. C. Discovering a hobby. D. Moving his body. 反馈 收藏 ...
Space can be a hard place to live in. Astronauts who go there experience a lot of different stresses. Some experiments by NAS A could help us learn more about how to survive in space.However, it was not humans, but a group of rather unusual animals that took part in these experiments...
Spaceships can travel to other planets. (除……以外), humans have built space stations.相关知识点: 试题来源: 解析 Besides 【详解】 句意:宇宙飞船可以前往其他行星。此外,人类已经建造了空间站。由句意及语境可推测,该句表示除宇宙飞船可前往其他行星这件事以外,人类还建造了空间站,故此处应为介词...
Humans can't live without water, air or food. So far, nobody knows whether there would be enough water or air on Mars for people. Moreover, scientists are not sure whether plants could grow on Mars. Food would most probably be in the form of pills(药片) and would not be so tasty....