3. To treat a burn, you: A. Rub(擦)some butter on it. B. Hold the burnt part under cold running water. C. Put salt on the burnt part.
4. You should wait at least five minutes before touching somebody who has been struck by lightening, or you might get a shock (打击).
ankle. C. Keep on walking and jumping.
2. If you get a nosebleed, gently let your head back to stop the bleeding.
A. True
B. False (It may lead the blood into the throat and easily cause choking.)
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A. True
B. False
5. Your friend has an asthma(哮喘) attack, but she doesn’t have her medicine. You’d better: A. Get a paper bag for her to breathe into. B. Get her a cup of coffee. C. Take her outside for fresh air. (caffeine咖啡因 can help to dilate扩大 the windpipe气管)