A.Walking too much | B.Traveling too much |
C.Driving cars too much | D.Climbing stairs too much. |
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. |
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 |
A.A queue of cars | B.A ray of traffic light |
C.A flash of lightning | D.A stream of people |
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 |