题目内容：

Early in the morning, at noon, or in the evening in big cities and in the countryside, all across the United States, you can see Americans running. The        and the old are running. People run       . Through Central Park        New York, down quiet streets in small towns or at the gym. Some people even run in      living rooms.

Running didn’t use to (过去常常) be so popular. In the 1960s, runners were      athletes, healthy and strong people. In those days, when people saw a runner, they used     , “Hey, what’s the hurry for?” or they might say to       , “Is he crazy?” Women almost never      . If they did, they might hear a man shout, “If I      you, can I keep you?” But today all these things have       . Men and women of all         enjoy running.

Doctors think many health problems in the United States         these bad habits: eating too much, smoking cigarettes, and exercising         . Doctors told us, “Eat less, don’t smoke, and exercise more.” Running is a good way to exercise      it helps people build strong hearts and lungs (肺). It also helps most people      weight. . In order to keep healthy, let’s run together.

1.A. young      B. small       C. big        D. little

2.A. anywhere   B. somewhere  C. everywhere D. nowhere

3.A. by        B. in        C. with        D. on

4.A. our       B. your       C. his        D. their

5.A. mostly     B. hardly       C. most    D. more

6.A. asking    B. to tell       C. to speak  D. to ask

7.A. them       B. themselves    C. theirs  D. they

8.A. thought  B. ran        C. said        D. exercised

9.A. catch       B. take        C. carry   D. find

10.A. changed   B. stopped      C. worked  D. done

11.A. people    B. cities       C. villages D. ages

12.A. come from  B. look for     C. care for D. think of

13.A. too       B. not        C. much        D. little

14.A. how      B. where       C. because     D. until

15.A. give      B. increase   C. improve   D. lose