It is a great help for the person who is learning a foreign language to know some customs and manners of the people who speak it，because the language is very closely associated （联系） with them．I will tell you some common western manners．
1．Greetings
The simplest thing to say is"Good morning"，"Good afternoon"or"Good evening"．This greeting is given to one whom you know only slightly，or to anyone you are passing quickly．"How are you"is usually used when you are not in such a hurry．No answer is expected other than"Fine，thank you"．"Hello"is the commonest form of greeting between good friends．
2．When a Man Raises His Hat
If you are wearing a hat that can be taken hold of easily，it is customary （习俗的） to raise it slightly off your head when you greet a girl or a woman．
3．When to Shake Hands
It is customary to shake hands when yu first meet someone．And usually friends shake hands when they meet after not having seen each other for some time．
4．Use the Person's Name
It is always a good form to use the name of the person you are greeting．You might say，"Good morning，Mr．Moncrieff"or"Hello，Franklin"．A person's first name should not be used unless he is a good friend or a schoolmate．
52．The underlined word"them"in the first paragraph refers to___．
A．Speakers
B．customs and manners
C．th languages
D．listeners
53．When should we use"How are you"？___
A．When we are not in a hurry．
B．When we meet a friend after a long time．
C．When we are meeting a girl．
D．When the listeners are our friends．
54．To whom can we use a person's first name？___
A．A boy or a man．
B．A stranger．
C．A girl or a woman．
D．A good friend or a classmate．
55．The passage is mainly about___．
A．some wes