单选题
You want to get healthy. You know you need to exercise more. But you are not ready to do intense physical activities. Don't worry! The best thing for most of us may be to just go for n walk.
Yes, walk. At a reasonably vigorous clip (five to six kilometers per hour) for half an hour or so, maybe five or six times a week. You may not feel the benefits all at once, but the evidence suggests that over the long term, a regular walking routine can do you good.
Walking, in fact, may be the perfect exercise. For starters, it's one of the safest things you can do with your body. It's much easier on the knees than running and doesn't trigger side effects.
Regular physical activity is probably as close to a magic bullet as we will come in modem medicine, If everyone were to walk briskly for 30 minutes every day, we could cut the incidence of many chronic diseases by 30 to 40 per cent.
Walking is also a great way to lose body fat, so even if you don't 10se any weight, your body will have a healthier composition. Most people find they have to walk at least an hour a day to shed kilo.
单选题 According to the passage, what is the best way to get healthy?
【正确答案】 D
【答案解析】细节题。见文章第二段的最后一句。作者用第一段引出话题——走路比跑步更有利于身体健康。然后在第二段中详细解释了走路健身的具体方法，那就是长期的有规律的且达到一定运动量的走步运动。
单选题 For starters, it's much safer and easier to ______.
【正确答案】 D
【答案解析】细节题。见文章第三段第二句和第四段第二句。它们分别说明长期的每日定量的走路运动(每天精力充沛的走30分钟)对刚开始锻炼的人来说是更加安全和简便的健身方法。
单选题 From the passage, we can learn that ______.
【正确答案】 A
【答案解析】推断题。见文章第三段的最后一句。相比跑步，走路健身法不会引起副作用。由此我们可推断出A选项。
单选题 Which of the following CANNOT a regular walking routine bring us?
【正确答案】 C
【答案解析】细节题。见文章的四、五两段。第四段说明走路健身法可以降低慢性病的发作几率，而第五段则强调此法可以帮助人们减肥和塑造好的体形。所以，只有C选项不在讨论之列。
单选题 The passage may probably tell the readers ______.
【正确答案】 C
【答案解析】主旨题。见文章的后四段。文章逐段论述了走路健身法的优势和它对保护人们身体健康所起到的作用。所以C选项最具概括性。