题目内容：

With society developing fast, people's life standard has improved greatly. More and more people own their personal cars, thus causing many problems, such as air pollution, traffic jams(堵塞)and even traffic accidents.

In big cities，traffic jams happen every now and then，especially in rush hours. Cars cannot move smoothly and people feel upset on the way to work or home. For this, they are often late for work and even lose their jobs.

To solve these problems, the government has taken many measures(措施)，such as broadening(拓宽)the roads, building more roads and subways, increasing buses and so on. The government has also suggested people taking public transports and using less personal cars.

1.The passage mainly tells us         .

A. people's life has improved

B. the influence of more cars and the measures taken by the government

C. the government's measures

D. more people own their personal cars

2.What problems do more personal cars bring?

A. Air pollution.    B. Traffic accidents.

C. Traffic jams.    D. All the above.

3.When do the traffic jams often happen according to the passage?

A. In the rush hours of people going to work or home.

B. In the morning.

C. In the afternoon.

D. In the evening.

4.What's the meaning of the underlined word "smoothly" in the passage?

A. 慢地    B. 光滑地    C. 快速地    D. 顺利地

5.Which is NOT true according to the passage?

A. The government has broadened the roads.

B. The government has built more and more subways.

C. The government has increased buses.

D. The government encourages people to buy personal cars.