C. College students.

18. When were there fewer diseases according to the speaker?

　A. Twenty years ago. B. Ten years ago. C. Five years ago.

19. Why should people start language learning companies according to the speaker?

　A. To bring happiness to people.

　B. To help people earn more money.

　C. To introduce people to other cultures.

20. What is the speaker's dream for the listeners?

　A. They will become famous.

　B. They will become more intelligent.

　C. They will help people have better lives.

第二部分 阅读理解（共两节，满分35分）

第一节（共10小题：每小题2.5分，满分25分）

　　阅读下列短文，从每题所给的四个选项（A、B、C和D）中选出最佳选项，并在答题卡上将该项涂黑。

　　　　　　　　　　　　　　　A

　　Almost everybody in America will spend a part of his or her life behind a shopping cart. They will in a lifetime, push the chrome­plated contraptions many miles. But few will know - or even think to ask - who it was that invented them.

　　Sylvan N. Goldman invented the shopping cart in 1937. At that time he was in the supermarket business. Every day he would see shoppers lugging groceries around in baskets they had to carry.

　　One day Goldman suddenly had the idea of putting baskets on wheels. The wheeled baskets would make shopping much easier for his customers, and would help to attract more business.

　　On June 4, 1937, Goldman's first carts were ready for use in his market. He was terribly excited on the morning of that day as customers began arriving. He couldn't wait to see them using his invention.

　　But Goldman was disappointed. Most shoppers gave the carts a long look, but hardly anybody would give them a try.

　　After a while, Goldman decided to ask customers why they weren't using his carts. "Don't you think this arm is strong enough to carry a shopping basket？" one shopper replied.

But Goldman wasn't beaten yet. He knew his carts would be a great success if