题目

一个多边形的内角和是900°,这个多边形的边数是( )A. 4 B. 5 C. 6 D. 7 答案:【答案】D【解析】解:这个多边形的边数,故选D。 There are many _________in Suzhou, I want to go there again.A. place of interest B. place of interestsC. places of interest D. places of interests 
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