Space travel is certainly not for someone who is not fearless, for many reasons including its effects on physical health. It can potentially disturb human immune systems (免疫系统) and increase red blood cell death. Astronaut s can even suffer from bone loss during missions. A recent study fin...
题目Space travel is very expensive. One of the main reasons for this is the high cost of ___. A. launching rockets B. building space stations C. training astronauts D. researching new technologies 相关知识点: 试题来源: 解析 A。解析:太空旅行非常昂贵,主要原因之一是发射火箭的成本很高。反馈 ...
A. o give reasons for and against space colonizatio B. to describe what life would be like on the moon C. to explain the history of human space travel D. to compare the environments of Mars and the moon 相关知识点: 试题来源: 解析 A 反馈 收藏 ...
In response to the question “Humans or robots in space?”, the answer is “Both”. Work in space is becoming as diverse as work on Earth. Some people work for government agencies; some run their own businesses. Some advance the boundaries of knowledge; some push the limits of technology....
Web literacy, space, media literacy Materials Needed Online or print version of Top Ten Reasons for Going Into Space; additional online or print resources about space Lesson PlanOrganize students into small groups and have each group read the Top Ten Reasons for Going Into Space. Ask stude...
Almost every child has had a dream, and learn about space travel in the weightless environment of life is like, but this desire for a variety of reasons are often difficult to achieve. 翻译结果5复制译文编辑译文朗读译文返回顶部 Each children all once vainly hoped for nearly the past outer spa...
a第二段There are many reasons for this problem. I think that one cause is the great increase in the number of private cars. Cars take up more space but they carry fewer people. Some private car drivers, ignoring traffic regulations, drive only for the sake of their own convenience, blocki...
Reasons for Traveling People enjoy taking trips, but what are the reasons they leave home? People travel because they want to broaden their horizons.People want to learn about other people and other places by means of traveling. Generally speaking,they are very curious about other cultures. When...
Here are 24 exciting ways to fill your travel plans in 2024, from cheering on your favourite sports teams and immersing in the arts to new hotel openings.
drivers stood at the second position with the percentage nearly one in five of the whole main issues, which were as half as in the first ranking. Finally, a total of 14% of those surveyed thought that access to public transportation and space for pedestrians were the most important travel ...