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Everyone has his or her own living habits. Building good living habits is important. Why are some habits better than others? Let’s find out.
1．
Corn, sweet potato, soybean and oats are all coarse food grains (粗粮). Eating coarse food grains is good for your health. They have a lot of dietary fiber (食用纤维). It’s good for your stomach. You can cook them in porridge or make drinks with them.
Why shouldn’t we bend our heads for a long time?
Keeping your head bent down for long is not good for your neck. Why is that? It’s because you put too much pressure on your neck. It’s like putting two watermelons (about 27 kilograms) on your neck. 2．
Why shouldn’t we rub (揉) our eyes?
Your hands are much dirtier than you think. When you rub your eyes, the bacteria (细菌) on your hands might go into your eyes. 3． Clean them with running water instead.
4．
After exercising, your skin is sweating (流汗) and your heart is beating fast. A cold-water bath will stimulate (刺激) them too much. 5．. You’d better wait for a while until your body cools down. Then you can take a warm-water bath to relax.
| A．Why is a cold-water bath after exercising bad? |
| B．You might have neck and shoulder pain by doing that. |
| C．It might make you sick. |
| D．If something gets in your eyes, do not rub them. |
| E．Why do we need to eat coarse food grains? |
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
