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  3. Scratchy throats, stuffy noses and body aches all spell misery, but being able to tell ff the cause is a cold or fin may make a

Scratchy throats, stuffy noses and body aches all spell misery, but being able to tell ff the cause is a cold or fin may make a

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问题 Scratchy throats, stuffy noses and body aches all spell misery, but being able to tell ff the cause is a cold or fin 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 in 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 overthecounter 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—flu A, B, and C. There is no cure for either illness, but the flu can be prevented by the flu vaccine, 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 many similarities, there are more 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 infant and preschool age children have the flu. It advises parents to call the doctor if their small children have flulike symptoms.
    Both cold and flu symptoms can be eased with overthecounter 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, a rare but serious condition of the liver and central nervous system.
    There is, of course, no vaccine for the common 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 overthecounter medicines for the flu
C、delayed treatment of the flu will harm the liver and central nervous system
D、overthecounter drugs can be taken to ease the misery caused by a cold or the flu
答案D
解析 细节题。根据第七段第一句“Both cold and flu symptoms can be eased with overthecounter medications as well．”(服用非处方药会减轻感冒和流感的症状。)选项D的内容是对原文内容的同义转述。也可以排除选项A。接下来的内容说，不可随意让少年儿童服用阿斯匹林，而B项则完全排除该药，然而，成年人则可以服用阿斯匹林，所以B错误。C项谈到对肝脏及中枢神经系统的损害是Reye综合症的情形，并非延迟治疗伤风、流感的后果，也可排除。
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