A.What we will need to live on Mars in the future. B.How we will get to Mars in the future. C.Why Mars will be better than the Earth in the future. D.How long it will take to live in outer space. (3) What can we know from the passage? A.Robots will free people from al...
C. It will allow people to live on any planet. D. It will be too expensive.31. What's the main ide a of the third paragraph? A. What we will need to live on Mars in the future. B. How we will get to Mars in the future. C. Why Mars will be better than the Earth in ...
火星必备Mars necessityNo.01First of all, you'd have to figure out how to produce oxygen to breathe. The Martian atmosphere is very thin and it's 95% carbon dioxide. You wouldn't be able to just bring the oxygen you need to surviv...
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Secondly,humans need food,water and air to live.Scientists should be able to develop plants that can be grown on Mars.These plants will (77)___ the food and the air that we need.There is a problem for us to live on Mars.Mars makes us much lighter than the Earth does.This will be...
However, in the fixture, it will take us two or three days to get to Mars by spaceship!Secondly, human beings need food, water and air to live. Scientists should be able to develop plants that can be grown on Mars. These plants will produce the food and air that we need. However, ...
What if humans are forced(迫使) to live on Mars? Shall we start to think about the way we live on Earth? With the questions in mind,architect Li Hu from Chin a has designed a suitcase-like house, which is about 4 square meters. The house has two parts: a hard case that includes ...
Secondly humans need food water and air to live. Scientists should be able to find plants that can grow on Mars. These plants will provide us with food and air. 2.___ .We could easily jump too high and fly slowly away into space. To prevent this humans on Mars have to wear special...
Life on Mars: What to Know Before We GoDavid A. Weintraub
But when Polaris' nose leads to a great discovery, Martin's world changes. He digs a hole and finds water. It means there is a real ocean under the ground. Martin becomes a hero. We may never have the chance to live on Mars, but we are like Martin sometimes. We often ...