病毒的危害及其预防 一、阅读理解 1 Stomach flu is one of the most unpleasant of a common illness. It spreads easily. That’s especially true if someone in your family has it. A virus can cause stomach flu, but not the same one that causes common flu. There’s no medicine to make it go away at once. But there are some things you can do to stop catching it. You can stop stomach flu by washing your hands often. Use hot water and soap to wash your hands. Using soap is better than using nothing, but it doesn’t work very well against stomach flu. That’s because soap can’t kill virus completely. The virus that causes stomach flu is hard to kill. Normal cleaners(清洁剂) won’t always get rid of it. So mix bleach (漂白剂) with water, and use that to clean your house. If someone in your family is sick, remember to clean things that person has touched. Dishwashers are better at killing viruses than washing the dishes by hand. That’s because they keep the dishes hotter or longer. Many viruses can live in your washing machine. So wash clothes with hot water and use bleach, if possible. You may even run the washing machine with no clothes, just hot water and bleach. This will kill any virus in it. If you do get the stomach flu, drink as much water as possible. If you’re feeling better, don’t return to work or school right away. You can still spread the disease for a few days after you feel better. If you have a fever, wait at least 24 hours after it ends before going out. This will help stop other people from getting sick. Stomach flu is awful, but by following these tips above, you can keep away from it. 1. From paragraph 1, we know that . A. stomach flu is a pleasant common flu. B. medicine can make stomach flu go away at once. C. if someone around you catches stomach flu, you may catch it, too. D. the same virus can cause stomach flu and common flu. 2. What does the underline phrase “get rid of” probably mean in paragraph 3 A. 逃离 B. 除去 C. 避免 D. 变糟 3. Which of the following is the best to kill viruses A. Washing your hands with water and soap. B. Mixing bleach with water to clean your house. C. Washing the dishes and clothes with bleach by hand. D. Running the washing machine without clothes, just with hot water and bleach. 4. What should we do after a fever ends A. Take as little medicine as possible. B. Return to work or school at once. C. Wait at least 24 hours before going out. D. Go to see the doctor again. 5. Which of the following shows the structure of the passage A. B. C. D. 2 It is a cold and dry winter morning. When you wake up, you feel that your throat(喉咙) hurts. You begin to cough (咳嗽) . You have a cold! Could it just be a common cold or the flu( 流感) that’s been going around A cold gives you a runny nose and a cough. But it’s usually easy to deal with. Some people take medicine while others drink warm water or chicken soup. Usually you feel better after a week. On the other hand, the flu can be much more dangerous. Someti ... ...
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