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题型:阅读理解-五选五 难度:0.65 引用次数:48 题号:16479256
阅读下面短文,从所给的选项中选出最佳选项,使短文通顺、连贯,意思完整。

Some scientists believe that Mars is the planet that is more likely to support human life away from Earth.

They believe that it’s possible for humans to reach Mars by 2030. However, there are many things to prepare before this can happen.     1     Recently, scientists have sent robots to Mars to gather information about the planet.

Putting people on Mars will include planning how a person will live on Mars. At its shortest distance Mars is 55 million kilometers away from Earth.     2     And astronauts would have to stay on Mars for over 18 months before Earth and Mars are at their closest distance again. The difficulties would include how much food and other things would be needed for over two years in space and how such things would be carried.

    3     They would need to prepare both their minds and bodies for such a long trip away from Earth. NASA set up a special research building in Hawaii. A group of astronauts stayed in this research building for 366 days. During their stay, they had to deal with what they might have to deal with on Mars.     4     They had to live with each other in a very small space. They also had to deal with the problem of having lots of time with little or nothing to do. They couldn’t receive help from people outside for the whole time they were inside.

    5     There is no doubt about it.

A.One day humans will be able to live on Mars.
B.Astronauts have been the key to the plan.
C.So it would take about 6 months for a one-way trip.
D.For example, they had to be fed with bad food.
E.Scientists must make some research on Mars well.
【知识点】 天体与宇宙 畅想未来

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【推荐1】Would you like to take a trip to the moon? People have already landed on the moon. Some day, the moon might become a popular place to visit. How will a trip to the moon be? Here are some facts.

There is no oxygen (氧气) or water on the moon. In order to stay alive (活着), you would have to take your own oxygen and water. It is silent (寂静地) on the moon. Sounds can’t be carried from place to place because there is no air. On the moon, the temperature goes down to 240℃ below (在……以下) 0℃ at night, and it warms up to 212℃ above 0℃ during the day.

What will the surface (表面) of the moon look like? The moon has more than 30,000 holes on it. One of the biggest is 146 miles wide.

When you walk on the moon, you’ll feel light on your feet. That’s because you weigh only about 20 pounds on the moon. You might forget what day it is there because a moon day lasts for two weeks. But you won’t need an umbrella anymore because it never rains on the moon. And the weather on the moon never changes at all.

根据上述内容,选择最佳选项。
1. What do you need to take to the moon in order to stay alive?
A.Oxygen and water.B.Food and umbrellas.C.Sounds and oxygen.
2. At night, what is the temperature on the moon?
A.It is the same as that on the Earth.
B.It is much lower than that on the Earth.
C.It is 240℃ above zero.
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A.October 3.B.October 8.C.October 15.
4. What can we learn from the passage?
A.The moon has less than 30,000 holes on it.
B.No one has ever visited the moon.
C.The weather on the moon never changes at all.
5. What is the best title for the article?
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B.What the moon is like.
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