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閱讀理解

　　At the moment，it may be difficult to imagine，but many people believe that，by the year 2100，we will live on the planet(行星) Mars.Our own planet，Earth，is becoming more and more crowded and polluted.We should build a better world on Mars.

　　First of all，transport should be better than they are today.Now it is difficult for spacecraft(宇宙飛船) to carry too large number of people to Mars梚t takes months.By 2100，travel to Mars will take a very short time in space shuttles that travel at half the speed(速度) of light.

　　Humans need water，air and food to survive.Scientists should be able to develop the plants that can grow on Mars.These plants can provide the air and food that we need.However，the scientists are not sure whether these plants can provide water.

　　Gravity(重力) will be the problem for the early settlers on Mars.The gravity on Mars will be about only three-eighth of the gravity on Earth.It is very dangerous for us because we can easily jump too high and float(漂浮) away into space.To prevent this，we have to wear special boots to make ourselves heavier.These boots will probably very popular and there will be many different designs for settlers to choose from.

　　Life on Mars will be better than life on Earth in many ways.We will have more space.Living in a dome with 10 bedrooms is highly possible.Many people thought that robots will do most of our work and we will have more time for our

hobbies.There will be no schools on Mars.Students will have a computer at home connecting to the inter-planet computer network.They can study，do homework and take exams in online schools.

　　However，in some ways，life on Mars may be worse than life on Earth.For example，food will be not the same as they are today，it may be in the form of pills(藥片).

(1)

Why do we need to move to another planet?

　　A. Because the scientists are now quite interested in living on another planet.

　　B.Because the students are having too much homework on Earth.

　　C.Because there are a lot of aliens(外星人) on Mars.

　　D.Because our own planet Earth is becoming more and more polluted and crowded.

[　　]

(2)

What will be the problem for the early settlers on Mars?

　　A.Food and water.　　B.Schools.

　　C.Gravity.　　　　 D.both A and C

[　　]

(3)

What can plants do on Mars?

　　A.Plants can provide water and food for settlers.

　　B.Plants can provide everything we need on Mars.

　　C.Plants can provide us oxygen(氧氣) and food that we need on Mars.

　　D.Plants can give us a beautiful environment to live on Mars.

[　　]

(4)

How do students get education on Mars?

　　A.Students don't need to go to school or get education on Mars.

　　B.Students can have lessons and take exams online.

　　C.Students can go to a normal school like that on Earth.

　　D.We don't know.

[　　]

(5)

What do you think it is the best tide for the passage?

　　A.Move to Mars　　B.Leaving Earth

　　C.Another planet桵ars D.Transport to Mars

[　　]

答案：1．D ;2．D ;3．C ;4．B ;5．A ;

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根據(jù)短文內容，選擇最恰當?shù)拇鸢浮?/p>

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