() 18. It's easy to find the supermarket. It's to a post office and a hospital. A. close B. closely C. closing D. closed 题目和参考答案——青夏教育精英家教网—

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() 18. It's easy to find the supermarket. It's to a post office and a hospital.

A. close B. closely C. closing D. closed

18. A

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2. Please make everything in its (正确的) place.

(B)

How could we tell time if there were no watches or clocks anywhere in the world?

The sun rrdght be the world's first “clock”，except in the far north,where the Eskimos (爱斯基摩人) live There,it's dark most of the winter,and light most of the summer. But in most of the world,if you don't have a clock that shows time,you still know that when the sun shines,it's day,and when it's dark,it's night The sun can not only tell you whether (是否) it's day or night but also it's morning,noon,or afternooa When the sun is almost directly (恰好) overhead,it's noon。

People who live near the sea learn from the tides. In the daytime,for about six hours,the water rises higher and higher on the beacK And then it goes down and down for about six hours. The same thing happens again at night. There are two high tides and two low tides every 24 hours.

Seamen on a ship know time by looking at the moon and the stars. The whole sky is their clock.

In some places in the world the wind comes up at about the same time every day or changes direction or stops blowing. In these places the wind can be the clock.

A sand clock is an even better clock. If you had fine dry sand in a glass,you would have what is called an hourglass. The sand in the hourglass goes from the top part to the bottom part in one hour. When the hourglass is turned over,the sand will take another hour to go back agairu

() 6. From the passage we can know there are ways to tell time except the clock and watch.

A. 3 B. 4 C. 5 D. 7

() 7. The Eskimos in the far north can’t use the sun for a clock because .

A. they know very little about the sun

B. the sun there never goes down in winter

C. it's too cold for them to go out to watch the sun

D. it has long day and long light during summers

() 8. The underlined word “tides” in the passage means .

A. 洋流 B. 潮汐 C. 海啸 D. 波浪

() 9. Which page of the newspaper may this passage be in?

A. News. B. Science.

C. Advertisement. D. Sports.

() 10. What’s the best title for the passage?

A. Different Ways to Tell Time B. How the Clock Was Invented

C. The Development of the Clock D. A Useful Machine to Tell Time

() 6. We are going to have a meeting this afternooa 1 11 call Wendy to make sure .

A. why to start B. when to start C. what to start D. which to start

() 13. —I’m having trouble up with the rest of the class.

—Please don't .

A. to catch;give up B. catching;give up

C. to catch;look up D. catching;look up

3. He (record) the players,scores when I went for him.

10. It's necessary (not make) any noise in the reading room.

2. He has had three (银牌) and he really wants to get the first prize.

(B)

A grown-up person has ten or eleven pints (品脱) of blood inside his or her body. We can lose a pint of blood without feeling anything. But if we lose a great deal of blood,we feel weak and cold. Our faces become very white. We may die.

This is what often happens when somebody is hurt in an accident or a soldier is hurt in a fighting. Many people used to die in this way. If they are given enough blood at once,they'll feel better. Their faces will become red again. They won't die.

Where does this blood come from? People who are healthy give some blood so that it can be used in this way. Every three months they can go to a place where blood is collected. A special kind of needle is put into the arm. It does not hurt. The blood runs through the needle and through a rubber tube (管) into a bottle. A pint of blood is taken away. Then the person who has given the blood drinks a cup of tea or coffee. He sits for a few minutes. Then he feels quite well and goes off. Three months later he comers back and gives another pint.

A penson who gives blood in this way feels happy. He knows that his blood will be used to save someone's life. Perhaps one day he himself will need blood.

When you are older,you may decide to give blood in this way. But you can't do this until you are eighteen.

() 6. If a person is , he or she can't give blood.

A. not healthy B. 45 years old B. very thin D. not happy

() 7. A person who has given blood sits a few minutes because he or she .

A. is so happy B. needs a short rest

C. feels a little sorry D. has to drink something

() 8. Which of the following is TRUE according to the text?

A. A person who gives blood can make some money.

B. Many people died in the past because no blood could be sent into bodies in time.

C. A person gives blood because he or she will need it in the future.

D. One will feel very cold and weak if he or she gives a pint of blood every 3 weeks.

() 9. What does the word “we” in the third line mean?

A. The writer's friends. B. Students.

C. Some readers. D. People.

() 10. In this text the writer mainly tells the readers .

A. a grown-up person has about 10 pints of blood.

B. blood is very useful for everybody

C. giving blood is a good way to save one's life

D. blood is taken out and kept in a bottle

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