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Now more and more people keep healthy by walking. Do you know why? Here are some important reasons.
You can make your heart stronger by walking more. A 30-minute walk every day helps you keep away from high blood pressure (血压).
Walking helps you become thin.
You will burn (燃烧) about seventy-five calories (卡路里) by walking two miles an hour. When you walk three miles an hour, you will burn about ninety-nine calories.
If old people can walk six miles or more every week, they will be able to remember things much better.
We all need enough vitamin (维生素) D to keep healthy. Taking a walk outside is a better way for you to do exercise and get enough vitamin D at the same time.
Walking brings you energy.
Walking makes you become stronger and have enough energy. Walking during your lunch break can let you get more energy.
Walking makes you relaxed.
Walking makes you feel good. You can feel less worried and more relaxed by walking.
根据材料内容，从下面五个选项中选出能填入文中空缺处的最佳选项，使文章意思通顺，内容完整。
| A．Walking helps you get enough vitamin. |
| B．Walking helps old people not to forget things easily. |
| C．So why not have a try now? |
| D．It’s really a good way if you want to keep thin. |
| E．Walking makes your heart stronger. |
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
