West Lake is one of the most beautiful tourist sites ________ I've ________visited.

　　　 A.which; never　　 　 B.that; never　　

C.that; ever D.which; ever

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　　I wonder if there is any girl or boy who does not like to see a rainbow (彩虹) in the sky. It is so beautiful.

　　There is a story, saying that whenever you see a rainbow you should run at once to the place where it touches the ground, and there you would find a pot of gold. Of course it is not true. Neither you could find the pot of gold, nor could you ever find its end. No matter how far you run, it always seems far away.

　　A rainbow is not a thing that we can feel with our hands as we can feel a flower. It is only the effect (结果) for light shining on raindrops. The raindrops catch the sunlight and break it up into all the wonderful colours which we see.

　　It is called a rainbow perhaps because it is made up of raindrops and looks like a bow (弓).

　　That is why we can never see a rainbow in a clear sky. We see rainbows only when there is rain in the air and the sun is shining brightly through the clouds. Every rainbow has many colours in the same order. The first or the top colour is always red, next comes orange, then green, and last of all blue. A rainbow is indeed one of the wonders of nature.

(1) Children like rainbows because ________ .

[　　]

A. they are beautiful

B. they are like bows

C. they can find a pot of gold at the end of a rainbow

D. they are good to crops

(2) We can not feel ________ with our hands.

[　　]

A. gold

B. a flower

C. a rainbow

D. a raindrop

(3) We can see a rainbow ________ .

[　　]

A. when it is raining heavily

B. when it is snowing

C. in a clear sky

D. when it becomes fine immediately after raining

(4) Which of the following is not right?

[　　]

A. A rainbow is always far away from us.

B. A rainbow is the effect of light shining on raindrops.

C. A rainbow is the product of human beings.

D. A rainbow is one of the wonders of nature.

(5) The first colour of a rainbow is always ________ .

[　　]

A. yellow

B. red

C. green

D. blue

Mr Smith was ill and he went to see a doctor． The doctor asked  him to put out his tongue（舌头）， and then he said， “OK， You can put your tongue back now． There’s nothing wrong with you， but I’m afraid you have a problem． You hardly ever take exercise．”

　 “But， doctor，” Mr Smith said， “I don’t think so．”

　 “Don’t tell me what you think，” the doctor said， “I know    what you need．　I see a lot of people like you． None of them goes  any exercise． They sit in offices all day and in front of the        television in the evening． You must walk quickly for at least（至少）20 minutes a day．”

　 “I don’t want to hear any excuse（借口），” the doctor said． “You must find time for exercise． If you don’t， you will get fat and have health problems．”

　 “But I walk every day，” Mr Smith said．

　 “Oh， yes， and I know what kind of walking that is． You walk a few meters to the bus stop from your house， a few more meters from  the bus stop to your office， and a few more meters from your office  to your dining–room for lunch and back． That’s not a real walk．  I’m talking about a walk in the park or by the lake for twenty      minutes every day．”

　　“Would you please listen to me， doctor? Mr Smith said， getting a little angry with his doctor．

　　“I’m a postman，” Mr Smith went on， “and I walk for nearly（几乎）seven hours every day．”

　　For a moment the doctor was silent（沉默的）， then he said      quietly， “Put out your tongue again， will you?”

　　根据短文内容，回答下列问题。

 1. Where did Mr Smith work?

 

    ___________________________________________________________

2.How did the doctor look over Mr Smith?

 

    ___________________________________________________________

3. What did the doctor ask Mr Smith to do?

 

    ___________________________________________________________

4.Did Mr Smith take enough exercise every day?

 

    ___________________________________________________________

 5.What do you think of the doctor?

 

    ___________________________________________________________

 

If you look at the sky one night and see something moving and shining that you have never seen before, it might be a comet (彗星).

　　A comet sometimes looks like a star. Like a planet, a comet has no light of its own. It shines from the sunlight it reflects (反射). Like the earth, a comet goes round the sun, but on a much longer path (轨道) than the earth travels.

       If a comet isn’t a star, what is it then?

　   Some scientists think that a large part of a comet is water frozen into pieces of ice and mixed with iron and rock dust and perhaps a few big pieces of rock. When sunshine melts (融化) the ice in the comet, great clouds of gas go trailing after it. These clouds, together with the dust, form a long tail.Many people perhaps have seen a comet. However no one knows how many comets there are. There may be millions of comets, but only a few come close enough for us to see.

　　An Englishman named Edmund Halley, who lived from 1656 to 1742, found out a lot about the paths that comets take through the sky. Some comets move out of our sight and never come back. Others keep coming back at regular times. A big comet that keeps coming back was named after Halley because he was the one who worked out when it would come back again. Maybe you have ever seen Halley’s Comets because the last time it came close to the sun and the earth was in the year 1986. Then people all over the world were outside at night to look at it. You will probably be able to see Halley’s Comets when it comes near the earth again.

1.A comet is like ________.

A. sun      B. moon     C. sunlight    D. the earth

2.A large part of a comet is ______.

A. water and rock

B. water frozen into pieces of ice and mixed with iron

C. ice, iron and rock dust

D. only a few big pieces of rock

3.Maybe many people _______.

A. haven’t seen any comets      B. have seen all comets

C. have seen a comet at daytime  D. have seen a comet

4.Some comets keep coming back ________.

A. at any time  B. at noon  C. at regular times  D. at daytime

5.Halley’s Comets came back _____.

A. in 1990    B. in 1980     C. in 1986      D. in 1989