皮皮学，免费搜题
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【简答题】
Explain the underlined part in each sentence in your own words. I live in the middle of a large university, and I see superstition in its four manifestations, alive and flourishing among people who are indisputably rational and learned.
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
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