12．Because there is on the moon.there are no living things there．A．no people B．no fo——青夏教育精英家教网—

摘要：12．Because there is on the moon.there are no living things there．A．no people B．no food C．no air

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　　After seeing the film Avatar(阿凡达), many people want to find the right place to live．Men have wanted to travel to the moon for hundreds of years．They knew something about the moon．And they kept asking some questions．Was it cold or hot on the moon? Were there any living things or other plants on the moon? Some people said there were living plants on the moon, but others said nothing because there was no air or water on the moon．

　　Scientists have studied the moon for many years．The moon is much smaller than earth．It travels around earth．It's very hot in the day and cold at night．Days and nights on the moon are longer than those on earth．One day on the moon is as long as two weeks on Earth．Things are not as heavy as they are on earth．

　　It sounds interesting, doesn't it? Maybe one day we can go to the moon to travel．

(1)

Why did other people say nothing could live on the moon?
[　　]
A．	Because it is warmer than on the earth．
B．	Because it is the right place to live on the moon．
C．	Because the moon is smaller than earth．
D．	Because there wasn't any air or water on the moon．

(2)

What is the weather like on the moon?
[　　]
A．	Cold and cloudy．
B．	Rainy and hot．
C．	Hot and cold．
D．	Warm or cold．

(3)

Staying on the moon for two days is ________ days on earth．
[　　]
A．	14
B．	28
C．	2
D．	7

(4)

What is the best title of the passage?
[　　]
A．	Something about moon．
B．	Avatar(阿凡达)on the moon．
C．	Travel around the earth．
D．	Go to the moon to travel．

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It is predicted that there will be five scientific achievements in the 21st century．

We'll know where came from．

We'll know where humans came from．We can get more information about this by using new technologies（技术）．We will know better about ourselves．

We'll find the answer to the genetic code（遗传密码）．

Scientists will learn more about the genetic code and how our bodies work．Many serious illness will be less dangerous because there will be a cure（疗法）．

We'll live longer．

People will live longer because people won't get serious illness．New medicine will keep us strong and healthy．Maybe we will live to be 120 years old，but what shall we do with such a long time?

We'll “manage” the earth．

In the next hundred years，we'll stop talking about the weather but to do something to make the damage（破坏）less．We'll know what human activities can bring to the earth，and with that knowledge we will make our planet（行星）better．

We'll have a map of the brain（大脑）．

We will try to make a map of the brain．We’ll be able to say which part is working

when we read a word，say a word，or think about a word，and so on．

1．We can get more information about where we came from by ．

A．new technologies B．genetic code

C．Shenzhou TV D．astronauts

2．What will be the five scientific achievements in the 21st century?

a．Finding out where we came from

b．Taking a picture of the earth

c．Finding the answer to the genetic code．

d．Making our lives longer．

e．Living on the moon and Mars．

f．Making it clear how our brains work．

g．Making our planet better．

A．a，b，c，d，g B．a，c，d，e，g

C．a，c，d，f，g D．b，d，e，f，g

3．Many serious illness will become less dangerous because ．

A．everybody will be very healthy

B．the genetic code will be known．

C．there will no longer be illnesses

D．people will live longer

4．If a storm（风暴）is coming，we may in the future．

A．make it less serious B．stop it

C．make it longer D．clear it away

5．What does the passage mainly（主要地）talk about?

A．We will know everything about the world．

B．Five scientific achievements are predicted．

C．All the five things must come true in the 21st century：

D．We will never die in the next century．

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