题目内容：

Going to work by car is getting more expensive today because the petrol(汽油)is getting more expensive（贵）.People are looking for a cheaper way of transportation and they find out that it is a good choice(选择) to ride bikes to work.More and more return to bikes.

Children often go to school by bike.But now more people are going to work by bike, too.“The bike is easy to use,”says Molly,“and it is also very cheap. It’s a good choice for those who do business（生 意） like me.You can buy thirty bikes for the price of a small car. A bike doesn’t use expensive petrol.”

Mr.Brown goes to his hospital by bike every day. He says,“A bike doesn’t cost so much money, and most families can have two or more bikes. Bike riding is good for our health. Today most people get fat because they don’t get enough exercise. So I tell all my patients(病人) to buy bikes. Besides, in big cities it’s usually quicker to travel by bike than by bus or car. Car drivers can do nothing but get angry when there is a traffic jam（有交通阻塞）.

1.Some people don’t want to drive to work because.

A. cars are getting more expensive    B. the petrol is getting more expensive

C. cars are difficult to take care of    D. the traffic becomes bad

2.The underlined phrase “returns to bikes” in the first paragragh means “_       ”.

A. begin to ride bikes again    B. give bikes back to their owners(主人)

C. begin to buy bikes    D. sell their bikes to others

3.From the passage, we can know Molly is a .

A. teacher    B. doctor    C. student    D. businesswoman

4.According to Mr. Brown, bike riding is good for us mainly in           aspects(方面).

A. two    B. three    C. four    D. five