朱熹《观书有感》:“半亩方塘一鉴开,天光云影共徘徊。问渠那得清如许?为有源头活水来。”不少学生总是将“为”读成阳平,这是有问题的。“清如许”是结果,“问渠那得清如许”是在问原因,“为有源头活水来”在解释原因,这显然是因果关系。《现代汉语词典》(第6版)将“因为”的“为”注音为wèi。所以,《观书有感》的“为”应该读去声。类似的情况还有柳永《蝶恋花》:“衣带 Zhu Xi, ”a sense of the book“: ”Half a square Fangcai a Kai open, a total of wandering clouds of light. Asked the canal that so clear? To active living water to come.“ Many students always Read into Yang Ping, this is a problem. ”Clear as Xu “ is the result, ”Ask the canal that is clear “ is asking the reason, ”for the active living water “ in explaining the reason, this is obviously a causal relationship. The Modern Chinese Dictionary (6th edition) phonetics of ”for “ for wèi. So, ”read a book feel“ ”for “ should read aloud. There are similar situations Liu Yong ”Butterfly Love Flower“: ”clothing belt