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Questions 11 to 15 are based on the following passage. 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—flu 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 many similarities, 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-like 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 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. According to the author, knowing the cause of the misery will help（） We learn from the passage that （） According to the passage, to combat the flu effectively, （） Which of the following symptoms will distinguish the flu from a cold? （） If children have flu-like symptoms, their parents （）
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斜剖是（）
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患儿，男，6岁，近1年来右腰部间断胀痛，无血尿、尿频、尿急、尿痛，无排尿困难。查体：右上腹略饱满，右肾区可触及一软性包块，并随呼吸上下活动。首先应行下列哪项检查（）
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“谁言未忘祸？磨灭成尘埃。”是出自陈子昂感遇三十八首的哪一个（）
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下列关于子宫下段的叙述中，哪项不正确（）
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幼儿园的挂衣钩，高度应超过幼儿身高20厘米。
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学生在阅读印刷材料时记下的笔记称为()。
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与西方文官制度相比，中国公务员制度的特色有()。
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仪表空气增压机的一、二级排气温度和排气压力的工艺指标？
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根据《治安管理处罚法》相关规定，对违反治安管理行为人应给予行政拘留处罚，但不执行行政拘留处罚的情形有（ ）。