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  3. Scratchy throats，stuffy noses and body aches all spell misery，but being able to tell if the cause is a cold or flu(流感)may make a

Scratchy throats，stuffy noses and body aches all spell misery，but being able to tell if the cause is a cold or flu(流感)may make a

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问题     Scratchy throats，stuffy noses and body aches all spell misery，but being able to tell if the cause is a cold or flu(流感)may make a difference in how long the misery lasts．
    The American Lung Association(ALA)has issued new guidelines on combating colds and the flu，and one of the keys is being able to quickly tell the two apart．That’s because the prescription drugs available for the flu need to be taken soon after the illness sets in．As for colds，the sooner a person starts taking over—the—counter remedy，the sooner relief will come．
    The common cold and the flu are both caused by viruses．More than 200 viruses can cause cold symptoms．while the flu is caused by three Viruses—nu A，B and C．There is no cure for either illness，but the flu can be prevented by the flu vaccine(疫苗)，which is，for most people，the best way to fight the flu，according to the ALA．
    But if the flu does strike，quick action can help．Although the flu and common cold have manysimilarities，there are some obvious signs to look for．
    Cold symptoms such as stuffy nose，runny nose and scratchy throat typically develop gradually，and adults and teens often do not get a fever．On the other hand．fever is one of the characteristic features of the flu for all ages．And in general，flu symptoms including fever and chills．sore throat and body aches come on suddenly and are more severe than cold symptoms．
    The ALA notes that it may be particularly difficult to tell when infants and preschool age children have the flu．It advises parents to call the doctor if their small children have flu．1ike symptoms．
      Both cold and flu symptoms can be eased with over—the．counter medications as well．However children and teens with a cold or flu should not take aspirin for pain relief because of the risk of Reye syndrome(综合症)，a rare but serious condition of the liver and central nervous svstem．
    There is，of course，no vaccine for the comnlon cold．But frequent hand washing and avoiding close contact with people who have colds can reduce the likelihood of catching one．
We learn from the passage that( )．
选项 A、one doesn’t need to take any medicine if he has a cold or the flu
B、aspirin should not be included in over-the．counter medicines for the flu
C、delayed treatment of the flu will harm the liver and central nervous system
D、over—the—counter drugs can be taken to ease the misery caused by a cold or the flu
答案D
解析 细节题。由第七段第一句可知D项正确。A选项与第二段内容不符；B项内容文中未提到；C选项与第七段内容不符。
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