题目内容：

阅读理解。

All over the world mothers and fathers teach their children manners. Other children may have manners that are not like yours. There are all kinds of manners.

Many years ago, children who had good manners were seen and not heard. They kept quite quiet if grown­ups were talking. Today, well­mannered children have more freedom.

Sometimes good manners in one place are bad manners in other places.

Suppose you are a visitor in the land of Mongolia. Some friends ask you to eat with them. What kind of manners do they want you to have? They want you to give a loud “burp(打嗝)” after you finish eating. Burping would show that you like your food.

In some countries, if you give a loud burp, you are told to say, “Excuse me, please.”

In many places people like to eat together. But in some parts of Polynesia it is bad manners to be seen eating together.People show good manners by turning their backs to others while they eat.

What are manners like in an East African town? People try not to see you.They are being polite.You may see a friend. He may not see you at all.If you are polite, you will sit down beside him.You will wait until he finishes what he is doing. Then he will talk to you.

Suppose you visit a friend in Arabia.You should walk behind the other tents until you come to his tent. If you pass in front of the other tents, you will be asked into each one.People will ask you to eat with them. And it is bad manners if you say no.

Manners are different all over the world. But it is good to know that all manners begin in the same way. People need ways to show that they want to be friends.

1.People turn their backs to others while they eat in some places in ________.

A．Mongolia                B．an East African town

C．Polynesia             D．Arabia

2.In an East African town, people try not to see you.This is because ________.

A．they are not your friends

B．they don't want to talk with you

C．it is good manners

D．they are waiting for you to talk with them

3.Sometimes good manners in one place are bad manners in other places.Which should be a supporting paragraph to the idea?

A．The first one.           B．The second one.

C．The sixth one.           D．The third one.

4.The best title of the passage should be “________”．

A．Some bad manners

B．Different kinds of manners

C．The importance of manners

D．Some good manners