Most American families are smaller than those in other countries. Usually there is one or two parents and one or two children in each American family.

Children in the USA will leave their parents when they grow up. They want to find better jobs, so they usually live far away from their parents. They often write or telephone their parents. And they go to visit their parents during their holidays.

Parents will ask their children to do some work around their house. In many families children will get money for doing some housework so that they can learn to make money for their own. Parents usually let their children choose their own jobs. Americans think that for young people it is important to decide on their lives by themselves.

1. In most families in the USA there are usually ______.

A. no parents B. no children

C. over 5 people D. less than 5 people

2. When they are old enough, American children will ______.

A. go to other countries

B. decide on their lives themselves

C. find jobs for their parents

D. do better jobs around their houses

3.Why do most American children live far away from their parents?

A. They are old enough to live all by themselves.

B. The parents are too busy to look after their children.

C. They want to have more chances (机会) to look for better jobs.

D. They can keep in touch (联系) with their parents by writing and telephoning.

4. Parents will give their children some money if the children do some housework. What do the American parents think of it?

A. Useful B. Strange C. Dangerous D. Funny

5.From the passage we can know that children in America _____.

A. leave their parents when they are still young

B. often spend holidays at their parents’ house

C. sometimes look for jobs for their own patents

D. often call or write to their parents for money

Have you ever been ill? When you are ill,you must be unhappy because your body becomes hot,and there are pains all over your body.You don't want to work,you stay in bed,feeling very sad.

What makes us ill? It is germs(细菌).Germs are everywhere.They are very small and you can't find them with your eyes,but you can see them with a microscope(显微镜).They are very small and there could be hundreds of them on a very small thing.

Germs are always found in dirty water.When we look at dirty water under the microscope,we shall see them in it.So your father and mother will not let you drink dirty water.

Germs aren't found only in water.They are found in air and dust.If you cut your finger,if some of the dust from the floor goes into the cut(割开处),some of the germs would go into your finger.Your finger would become big and red,and you will have much pain in it.Sometimes the germs would go into all of your body,and you would have pain everywhere.

根据短文内容,选择正确答案。

1.Which of the following is TRUE?

A.If things are very small,they are germs.

B.If things can't be seen,they must be germs.

C.Germs are only in dirty water.

D.Germs are everywhere around us.

2.What is a microscope used for?

A.Making very small things look much bigger.

B.Making very big things look much smaller.

C.Helping you read some newspapers.

D.Helping you if you can't see things clearly.

3.Why don't your parents let you drink dirty water?

A.You haven't looked at it carefully.

B.Water can't be drunk in this way.

C.There must be lots of germs in it.

D.Water will make you ill.

4.Which of the following is NOT true?

A.Germs can be found both in water and in the air.

B.Germs can go into your finger if it is cut.

C.If your temperature is not OK,there must be germs in your body.

D.If your finger isn't cut,there aren't any germs on it.

5.What's the main idea of the passage?

A.Germs may make us ill.

B.Germs are in dirty water.

C.Don't drink dirty water.

D.Take care of your fingers.

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