题目内容：

New York, London, Paris and other big cities are exciting places to live in. There are many interesting things to see and to do in big cities. You can go to different kinds of theaters to see plays and films. You can also go shopping to buy things from all over the world.

But there are more serious problems in big cities, too. The cost of living is high and there are too many people in big cities. Every year many people move to the cities because there are more chances to find work, to study at good schools and to receive good medical care（医疗）. But sometimes these people can’t find work or a good place to live in. Also too many people in such a small place make it hard to keep the cities safe and clean.

Some people enjoy living in big cities, but others don’t. When people move to big cities, they should think about the problems of living there.

阅读短文，根据短文内容判断下列句子的正(A)误(B)。

1.There are many interesting things to see and to do in big cities.

2.You can enjoy plays and films in different schools.

3.The cost of living isn’t high and there are too many people in big cities.

4.People move to the cities because there are more chances to find work, to study at good schools and to receive good medical care.

5.All people enjoy living in big cities.