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Homework 。ExplanationShe greeted me with a friendly smile.她向我微笑致意。 He bowed his thanks. 他鞠躬致謝。 v. 鞠躬 ,彎腰 如 : Bow to the Queen. 向女王鞠躬致敬。This is secret and I’m not supposed to talk about it.這是秘密 ,我不應(yīng)該談?wù)摗? Unit 10? You’re supposed to shake hands.Section AWhat do the people do when they meet for the first time? 1. In Brazil2. In the United States what do the people do when they meet for the f