As A/H1N1 continues to spread, experts from the Centers for Disease Control to the World H

As A/H1N1 continues to spread, experts from the Centers for Disease Control to the World Health Organization to neighborhood doctors are calling on the people to practice smart flu prevention techniques. Here are some tips to keep body improved and immune（免疫）system ready to fight infection.
Wash Your Hands
And wash them often, in hot soapy water, and for the amount of time it takes you to sing “Happy Birthday” twice.
Get Enough Sleep
This means slightly different things to different people, but try to get 8 hours of good rest each night to keep your immune system in top flu-fighting shape.
Keep Hydrated
Drink enough water each day to clear poisonous matter from your system and keep up good moisture（湿度）production in your body.
Eat Immune-Improving Foods
Keeping you body strong and ready to fight infection is important in flu prevention. Fatty foods can slow your metabolism（新陈代谢）, make you feel inactive, and weaken your immune
system. So stick with whole grains, colorful vegetables, and vitamin-rich fruits.
Avoid Alcohol
Alcohol is likely to decrease your resistance to infections and further damages the immune system. So avoid alcoholic drinks to keep your immune system strong.
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Proper exercise-for example walking for 30-40 minutes 3-4 times a week-supports the immune system by increasing circulation, oxygenating the body, removing poisonous material through sweat, and reducing tension and stress. So get moving!
Avoid Contact with Sick People
If you’re coughing or sneezing, cover your mouth(and then wash your hands),and if you have to be around someone who is sick, try to stay a few feet away from them and avoid physical contact.
Know When to Get Help
A/H1N1 can look like regular flu, so don’t feel like you necessarily are infected if you’re exhibiting flu-like symptoms（症状）. But do go to your doctor if you live in an area where there are recorded cases, or if your symptoms are very serious.
【小题1】To fight A/H1N1 infection, it’s helpful for us to .A．sing “Happy Birthday” while washing handsB．eat more fatty foods and colorful fruitsC．keep away from alcoholic drinksD．refuse communication with patients【小题2】A suitable title for paragraph 7 might be .A．Support the Immune SystemB．Keep Physically ActiveC．Get Enough Sweat D．Walk to Reduce Stress【小题3】The passage seems to suggest that we should .A．get enough sleep after eating fatty foodsB．wash hands with soap after a cough or sneezeC．drink more water after drinking alcoholD．see a doctor immediately if you have flu-like symptoms【小题4】What can help clear poisonous matter from the body?A．Washing your hands.B．Eating fatty foods.C．Getting enough sleep.D．Drinking enough water.C

(答案→)C 解析：【小题1】根据Alcohol is likely to decrease your resistance to infections and further damages the immune system. So avoid alcoholic drinks to keep your immune system strong. 描述可知选C。【小题2】这一点主要讲述了加强体育锻炼的问题，故选B，坚持体育锻炼。【小题3】根据If you’re coughing or sneezing, cover your mouth(and then wash your hands),描述可知选B。【小题4】根据Drink enough water each day to clear poisonous matter from your system 描述可知选D。

谢谢回答！！！