Many people have the wrong idea about pigs．Pigs are actually very clean animals. On farms，they live in dirty places．So，they become very dirty．In the wild，pigs keep very clean．

   They are also really smart．They may be smarter than dogs．So，pigs can learn things from people．Pigs are very friendly animals．Some people raise(喂养)them as pets．Of course．people keep the small kind，not the big kind．Small pigs are very cute．And they don’t break things in the house．Big pigs usually live outside on farms，not in people’s houses．

1．Which words can describe pigs?

    A．Dirty and stupid                  B．Nervous and strange

    C．Dangerous and unfriendly      D．Clever and friendly

2．What does“in the wild”mean?

    A．On farms                    B．In nature

    C．Being crazy                   D．In people’s houses

3．Which of the following is TRUE?

    A．Pigs like to be dirty             B．People can teach pigs things

    C．Dogs are smarter than pigs    D．Only farmers raise pigs

4．What kind of pigs are raised in people’s houses?

    A．The very big kind               B．The ugly kind

    C．this kind from farms             D．The small kind

5．What is NOT mentioned(提及)in this passage?

    A．Raising clogs               B．pigs on farms and in the wild

    C．Pigs as pets                   D．People’s wrong ideas about pigs

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．They are very 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(伤口), 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．Whar's the main idea of the passage?

1. A.
   Germs may make us ill．
2. B.
   Germs are in dirty water．
3. C.
   Don't drink dirty water．
4. D.
   Take care of your fingers．

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? h 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．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．