I say that the green of forests is the mind's best light. And none but the man on foot can evaluate what is basic and everlasting.

1. What is the national sickness?

A. Walking too much.

B. Traveling too much.

C. Driving cars too much.

D. Climbing stairs too much.

2. What was life like when the author was young?

A. People usually went around on foot.

B. People often walked 25 miles a day.

C. People used to climb the Statue of Liberty.

D. People considered a ten-hour walk as a hardship.

3. The author mentions Henry Thoreau to prove that　　　.

A. middle-aged people like getting back to nature

B. walking in nature helps enrich one's mind

C. people need regular exercise to keep fit

D. going on foot prevents heart disease

4. What is compared to "a steel river" in Paragraph 6?

A. A queue of cars.

B. A ray of traffic light.

C. A flash of lightning.

D. A stream of people.

5. What is the author's intention of writing this passage?

A. To tell people to reflect more on life.

B. To recommend people to give up driving.

C. To advise people to do outdoor activities.

D. To encourage people to return to walking.

答案

1. C　2. A　3. B　4. A　5. D