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  3. Because a headache is not a disease, it will not cause serious influence on our daily life. Inflammatory headaches will occur w

Because a headache is not a disease, it will not cause serious influence on our daily life. Inflammatory headaches will occur w

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问题 Because a headache is not a disease, it will not cause serious influence on our daily life.
Inflammatory headaches will occur when mucus cannot flow freely through the sinuses and causes too much stress on ______.
选项
答案the surrounding tissues
解析 由题干中的Inflammatory headaches定位到第三个小标题，再由mucus和sinuses定位到第1点内容的末句When mucus(粘液)，which normally flows freely through the sinuses…cannot drain properly，it collects in the sinuses and causes excess pressure on the surrounding tissues…此处需填入名词性成分。题目中的cannot flow freely through the sinuses和原文中的cannot drain properly属同义转述；题干中的too much stress与原文中的excess pressure同义，所以答案为the surrounding tissues。
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