题目内容

－No one knows what will happen ________ 100 years．

－Yeah, but I am sure computers will be widely used to help humans．

[　　]
A．

after

B．

at

C．

on

D．

in

答案：D
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　　Every night the stars seem to move slowly round the sky in a great circle(圆周)．But one star is dif-ferent from others．It looks as if it never moved．To us, it is always in exactly the same place all thetime．It is called the Pole Star(北极星)．It is not a very bright star, but it is very important．Sailors use the Pole Star to find out where they are moving to．

　　The amazing(令人惊奇的)thing is that the stars are all so far away．If you travelled in the space-ship for a hundred years you would still not reach the nearest star!

　　A star is really a great ball of burning gas(燃烧的气体)，like the sun．Some stars are much bigger than the sun, But they are all so far away from us that they just look like dots(圆点)of light．

　　On the clearest night you can count about 2 000 stars．This may seem a lot, but with a telescope you can see many more．The better the telescope, the more stars you can see．Scientists tell us there are millions and millions of stars．No one know exactly how many there are．

根据短文内容选择最佳答案．

(1)

The stars ________．

[　　]

A．

are not moving all the time

B．

seem to move slowly

C．

are moving slowly round the earth

(2)

A star is ________．

[　　]

A．

a planet like the earth

B．

a ball of burning gas like the sun

C．

something called a“constellation(星座)”

(3)

The stars we see look like dots of light because ________．

[　　]

A．

they are not very big

B．

there are lots of light on stars

C．

they are very far away

(4)

How many stars are there?

[　　]

A．

Less than 2 000．

B．

No one knows exactly．

C．

Exactly 1 000 million．

(5)

The word“telescope”means ________．

[　　]

A．

放大镜

B．

望远镜

C．

显微镜

用动词的适当形式填空。

No one ________ (know) what will happen next.

词汇。

1.It usually takes me half an hour __________ (walk) to school.

2.The government should pay much attention to the __________ (increase) population.

3.The grand piano takes up too much __________ (room).

4.I think Beijing is one of the ___________ (beautiful) places in the world.

5.No one __________ (know) when he will be back.

6.There are sixty m__________ in an hour.

7.Today we rarely(很少) see s__________ pouring from chimney.

8.Women commit (犯) far fewer c__________ than men.

9.All of us should put r__________ into dustbin (垃圾箱) to protect the environment.

10.It is very impolite for you to fail to keep an a__________.

 
用括号内所给单词的适当形式填空
1. It usually takes me half an hour __________(walk) to school.  
2. The government should pay much attention to the __________(increase) population.
3. The grand piano takes up too much __________(room).
4. I think Beijing is one of the __________(beautiful) places in the world.  
5. No one __________(know) when he will be back.
用括号内所给单词的适当形式填空。
1. It usually takes me half an hour _________ (walk) to school.
2. The government should pay much attention to the _________ (increase) population.
3. The grand piano takes up too much _________ (room).
4. I think Beijing is one of the __________ (beautiful) places in the world.
5. No one _________ (know) when he will be back.

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