Space travel is nothing new.The first spacecraft with a human was sent up into space in 1961.Since then,people have not only traveled to space,but many of them have also lived there in space stations for some time.The Soviet Union(前苏联) sent the first space station into space in 1971...
根据“Space travel is nothing new. The first spacecraft with a human was sent up into space in 1961. Since then, people have not only traveled to space, but many of them have also lived there in space stations for some time.”可知,太空旅行并不是什么新鲜事,第一艘载人飞船被送入太空,...
Is space tourism a necessary and exciting scientific advancement, or the least sustainable tourism sector to ever exist, favouring the wealthy and leaving behind ordinary citizens who need help on Earth? It seems as though the current plans that the billionaire space company owners have for space ...
On the other hand, as an isolated part living in the society, there are some necessary skills acquired by individual activities. Working alone can teach people how they should handle their personal things properly; at the same time, it is also the best way to stir and use people’s creativ...
Manned space travel is vital and necessary. (cover story)Emphasizes the importance of manned space flight to the U.S. space program. Arguments for and against manned space flight; Problems with the U.S. National Aeronautics & Space Administration's manned space flight program.McHale...
the international space station is necessary for people to explore space more D. people have traveled to Mars from the international space station 2Space is always attractive to humans.Ever since the first use of the rocket to carry satellites into space to the setting up of space stations,...
So why are we going intospace to explore?地球上有许多未解之谜。那我们为什么要到太空去探索呢as引导原因状语从句B It is necessary to find a new home for people in space, as the resources onEart wil run out由于地球上的资源将会耗尽,有必要在太空中为人们找到一个新的家园。C I cannot ...
Do you think it's necessary for school to have a model wire? Integrate. Who can't be all work together in a way that makes something more effective. Enable. To make it possible for someone to do something. Or for something to happen. For gold. The reins of things that are subject ...
Many scientists think colonizing space is absolutely necessary. Steven Hawking believes we must move to other planets to survive as a species. He said: “Once we spread out into space and establish independent colonies our future should be safe.” Scientists Dirk' Schulze-Makuch and Paul Davies ...
★Take some necessary(必要的) medicines with you. You will need them when you get sick or have other problems. ★If you do lots of sports like walking or climbing during your trip, you should do some exercises for weeks or months before you leave. ...