閱讀短文，根據(jù)題目要求完成各小題。
    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.
    Why do we need to eat coarse food grains？
    Corn，sweet potato，soybean and oats are all coarse food grains（粗糧）．（2）Eating coarse food grains is good for your health.They have a lot of dietary fiber（食用纖維）.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.You might have neck and shoulder pain by doing that.
    Why shouldn't we rub（揉）our eyes？
    Your hands are much dirtier than you think.When you rub your eyes，the bacteria（細(xì)菌）on your hands might go into your eyes.If something gets in your eyes，do not rub them.Clean them with running water instead.
    Why is a cold-water bath after exercising bad？
    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.It might make you sick.You'd better wait for a while until your body cools down.Then you can take a warm-water bath to relax.

（1）How many good habits are mentioned in the passage？

Four.

Four.

（2）Translate the underlined sentence into Chinese.

吃粗糧有益健康。

吃粗糧有益健康。

（3）Why do you have neck pain by bending your head for a long time？

Because I put too much pressure on my neck.

Because I put too much pressure on my neck.

（4）What should you do after exercising？

I should take a warm-water bath to relax.

I should take a warm-water bath to relax.

（5）You must have some other good living habits.Give two examples，please.

Keep on eating breakfast.Go to sleep early.

Keep on eating breakfast.Go to sleep early.