题目内容：

Before you go to another country it is a great help if you know the language and some of the customs（风俗）of the country.

When people meet each other for the first time in Britain, they say “How do you do?” and shake hands（握手）. Usually they do not shake hands when they just meet or say “Goodbye”. But they shake hands after they haven’t met for a long time or when they will be away from each other for a long time.

Last year a group of German students went to English for a holiday. Their teacher told them that the English people hardly shake hands. So when met their English friends at the station, they kept their hands behind their backs. The English students had learned that the Germans shake hands as often as possible. So they put their hands in front and get ready to shake hands with them. It made both of them laugh.

1.It is       if you know the language and some of the customs of the country.

A. not useful                B. not helpful

C. very helpful              D. very bad

2.English people usually shake hands when they       .

A. meet every time           B. meet for the first time

C. say goodbye to each other   D. say hello to each other

3.Which of the following is true?

A. German people shake hands as often as possible.

B. English people like shaking hands very much.

C. German people hardly shake hands.

D. Neither people hardly shake hands.

4.This story is about       .

A. shaking hands             B. language

C. customs                   D. languages and customs