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![人教精通英语四下《Unit 2 There are forty studentsLesson 10》[吕老师]【市一等奖】优质课](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2Fdc446feadb3b21713b70e8a8a7b389efaf88edc8.jpg%40672w_378h_1c_%21web-search-common-cover)
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