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  3. Walking is the easiest and simplest form of exercise. By putting one foot in front of the other, you can start to walk your ways

Walking is the easiest and simplest form of exercise. By putting one foot in front of the other, you can start to walk your ways

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问题      Walking is the easiest and simplest form of exercise. By putting one foot in front of the other, you can start to walk your ways towards a healthier lifestyle. Walking is an easy way to challenge the cardiovascular system (心血管系统), while at the same time building muscles. But to achieve these goals, a little more than a gentle walk around the block is required.
     Walking actually burns as many calories (卡洛里) as running the same distance —— if done in the correct manner and at a reasonable pace (步伐).
     Start with a basic program that you can complete three or four times a week. This should include five main steps:
   ——A beginning warm-up for about 5 minutes.
   ——A little bit faster period of 5 minutes at medium level (中等速度)
   ——A 10-minute “burning” at a high level.
   ——A 5-minute cool down period at a low level again.
   ——A suitable walking pace of around 5 kilometers per hour will burn around 80 calories in 30 minutes.
Compared with running the same distance, walking in the recommended way burns______.
选项 A、fewer calories
B、more calories
C、a fixed number of calories
D、the same number of calories
答案D
解析 细节题。本题考查考生对本文第二段的理解。该段意思是：如果以正确的方式和适当的步伐步行，在同样距离内步行所消耗的卡洛里与跑步是一样的。这与选项D 是一致的。
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