W：A lot of visitors come to our country.We should receive them with open arms and make them feel comfortable when they are here.Right?

M：Yes.We should make them feel at home.

(Text 6)

M：Hi Mary.Do make yourself at home.Would you like some coffee or tea?

W：Thanks，David.Coffee，please.I’ve just dropped in to thank you for organizing last weekend’s trip to the seaside for the old people.

M：That’s very kind of you.They all seemed to enjoy it，and some old ladies even played in the water.

W：They certainly did.In fact，I don’t think you could have done it better.

(Text 7)

W：Hello，Eric.

M：Hello，Sara.

W：You’re out exercising your dog，I see. He looks happy and excited.

M：Yes，dogs have to be exercised daily，otherwise they get out of shape.My neighbor’s dog is as fat as a pig because of lack of exercise.

W：What’s his name?

M：Rover.I named him after the car brand Rover.I love cars very much.

W：That’s a good name for a dog.Why is he wagging his tail?

M：Can’t you see?He wants one of us to throw that stick as far as we can for him to fetch.

W：I won’t disappoint him.Come on boy，go fetch!

(Text 8)

W：Long time no see，Harry.How are you doing?

M：I am very well.Are you OK?

W：Just so?so.Where are you going?

M：I am going to look at new cars.There is a car show at the Exhibition Center today.I heard that there are many new types of cars on show.

W：Well，that sounds good.I wish I could get one.I am also a car fan.

M：Really?Why don’t you come along with me to the car show?

W：I’d like to but I don’t want to see it now.

M：Come on!I am sure you could get a good deal.It is reported that there are some special cars of good quality at low prices.The cheapest one costs only 6,000 dollars，about 500 dollars lower than the usual price.

W：No，buying a new car is out of the question for me right now.

(Text 9)

M：The summer holidays are coming.I am looking forward to them.

W：It will be really wonderful.

M：Yes.I can’t wait.

W：Do you have any plans for the holidays?

M：I’m thinking of learning diving.What about you?

W：That sounds interesting，but which center are you planning to go to?I don’t know of any.

M：There is a diving school set up by someone who used to be a student at our school.It’s somewhere in New Jersey.

W：I hear that diving classes are expensive.

M：Yes，but I’ve saved some money for this.

W：Then you go ahead.I don’t think I can afford it.I may just stay at home，getting fatter and fatter.

M：Do go out，or you will not recognize yourself.You have already gained a lot of weight.

W：Maybe you are right.

(Text 10)

W：Professor Wang，I heard that you are doing research on Chinatowns.Can you tell me something about it?

M：Yes.A Chinatown is an area in a city with a large number of Chinese，usually outside of China.Chinatowns are present throughout the world，including those in East Asia，Southeast Asia，the Americas，Australia，and Europe.Chinatowns can be found across the world，but are most common in North America，Asia，Australia and Europe.Some Chinatowns have a long history.The oldest Chinatown was founded by Chinese traders more than 200 years ago.In the past，Chinatowns were seen as poor and crowded places of traditional culture.Nowadays，many old and new Chinatowns are attracting a lot of businessmen and travellers.Chinatowns now have both traditional areas and modern sites of recent development.In some Chinatowns，recent business activities have turned them into rich centers of economic and social activity.

答案：1～5.CCACB　6～10.BCBAB　11～15.ABCBA

16～20.ACABB