摘要: to their help, I passed the English exam.

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  Can you imagine spacemen's everyday life in space? They also need to eat, sleep, exercise and relax.They do the same things as us, but they do them differently.

  On Earth, we put food on a plate.Gravity(重力)holds the food down and keeps it on a place.But there is almost no gravity in space, so food can float away, and spacemen must eat carefully.

  Sleeping is very different in space.Some spacemen like to float(漂浮)in the air, but most like to be in a sleeping bag.They tie the bag to a wall so that they won't float away at night.

  Exercise is very important in space.On Earth, your legs carry your body, but in space, spacemen float, so they do not use their legs often.This is very bad for their legs, so they must exercise for thirty minutes every day.

  After a day's work, spacemen relax.They may listen to music, read, watch films, play games, or talk to their friends and families on the radio.Sometimes they just enjoy floating in the air.

(1)

On Earth, people can put food on a plate because ________.

[  ]

A.

there is gravity

B.

the food is light

C.

the food is heavy

D.

the plate is heavy enough

(2)

In space, the food is ________.

[  ]

A.

on a plate

B.

in a glass

C.

floating in the air

D.

in a bag

(3)

Why do spacemen tie the sleeping bag to a wall?

[  ]

A.

Because in that way they won't float away.

B.

Because that makes them sleep well.

C.

Because they can't get to sleep if they don't do that.

D.

Because the sleeping bag is not safe enough.

(4)

After reading the fourth paragraph(段落), we can know it is about ________.

[  ]

A.

how spacemen eat in space

B.

how spacemen sleep in space

C.

what spacemen do for relaxing

D.

how spacemen exercise in space

(5)

What's the main idea of the passage?

[  ]

A.

It is about the importance of gravity.

B.

It is about spacemen' everyday life in space.

C.

It is about the difference between space and Earth.

D.

It is about how to avoid floating away while sleeping.

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  Eye doctors in Shanghai found out recently that the nearsightedness(近视)among primary and middle school students has something to do with the color of the paper in their textbooks and notebooks.

  The doctors suggested that yellow paper should be used to replace the white one.

  According to their research the experts found out white paper reflects (反射)too much light and easily tires a person's eyes. The yellow paper, however, doesn't look so sharp to a person's eyes. In other words, it is much milder to the eyes of students who may do reading or writing for hours.

  The experts' research finding were based on first -hand information and a number of scientific experiments(实验)including a recent study among the students from forty-one middle schools. To make the students understand the truth, Shanghai Education Development Co. Ltd has produced textbooks and exercise-books made of yellow paper. The books will be used in the whole city soon.

  根据短文内容判断正误(正确的填“T”,错误的填“F”)

(1) The passage mainly wants to tell us yellow color is helpful to students' eyes.

(  )

(2) According to the research, the students' nearsightedness has something to do with the yellow paper in their books.

(  )

(3) The result of the experts' research is found in the teachers' eyes.

(  )

(4) From the passage we can know that the backward of white paper is heavier than that of yellow.

(  )

(5) The textbooks and exercise - books made of yellow paper have been used all over Shanghai.

(  )

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