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  3. This passage mainly discusses how epidemics spread and how to prevent in advance. The symptoms of flu usually include headache,

This passage mainly discusses how epidemics spread and how to prevent in advance. The symptoms of flu usually include headache,

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问题 This passage mainly discusses how epidemics spread and how to prevent in advance.
The symptoms of flu usually include headache, a runny nose and a fever.
选项 A、Y
B、N
C、NG
答案B
解析 本题定位词是symptoms of flu，应锁定文章第八段。第八段第二句和第四句分别提到The symptoms of influenza include headache and sometimes a runny nose; About half of all flu patients have a high body temperature, called a fever，其中sometimes a runny nose说明感冒的症状并不总是包括流鼻涕；About half of all patients说明只有大约半数的患者会在感冒时发烧，这些都与题干中的usually矛盾，因此本题表述与原文不符。
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大学英语四级

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