Question

   We all know that exercise is good for your health. But some kinds of exercise may be better than others. Running,for example,may help to protect against heart disease and other health problems. Running may also help you live longer.

Recently,researchers studied more than 55 ,000 adults. About a quarter of the adults have a good habit of running. The study found these runners were much healthier than non-runners. In fact,the runners live,on average (平均) ，three years longer than the non-runners.

   Running may be good exercise,but it can be difficult on the body. Here are commonly shared ideas among fitness 坪perts (健身专家) to lower the risk of injury (受伤) for people who are new to running.

Take it easy.

    not run too much,too soon or too fast. Most people get runriing injurip ivhen they push themselves too hard. The body needs time t抒參t used to increases in distance (距离) or speed.

Get good itiniiing shoes.

There is no single best shoe for every runner. You should find the shoes that offer the best fit and support for your feet. More importantly,you should have a new pair of shoes every 500 to 800 kilometers.

Take good notes.

Take time after each run to write down notes about what you did and how you felt. Look for things that happen again and again. For example,you may find that your knees hurt when you run sometimes. But perhaps you feel great when you have a rest between running days. These notes will help you make the best plan for running.

49. In the second paragraph,we know .

   A. a good habit of running may help you live longer

   B. the number of non-runners was getting smaller

   C. three quarters of 55 ,000 adults were new to running

   D. the hope to live three years longer drives people to exercise

50. Increases in distance or speed depend on.

   A. what the fitness experts say

   B. whether you have the best shoes

   C. how your body feels

   D. why you start running

51. The purpose of taking notes is to.

   A. remind you of where to have new shoes

   B. help you find the way of running that fits you

   C. take a rest between running days

   D. help you do some research on exercise

52. The passage is written to.

   A. provide information for the researchers to work better

   B. warn the non-runners of the dangers in running

   C. help runners to exercise in a scientific way

   D. encourage as many people as possible to join in running

Answer 1

[阅读D篇短文大意]跑步是一种很好的运动，它有助于抵 御心脏病及其他健康问题，还能使人长寿。本文给刚开始进行跑 步运动的人提出了一些建议

49. A 由第二段中的”In fact ,he runners live,on average (平均) ，

three years onger lan the non-runners” 可知答案为 A

50. C 由文中的"The body needs time to get used to increases in distance (距离) or speed”可知答案为C.

51. B 通读“Take good notes” 中的描述，由其中的"These notes will

help you make the best plan for running” 可知答案为 B.

52. C通读全文可知，本文的写作目的是帮助跑步者以科学的方

式进行锻炼，故答案为C.