1.背口诀记单词    中国减少了population (人口)多国发来了congratulation (祝贺)都是亲密的relation (关系)翻译们负责translation (翻译)    2.识音标，记单词population n.人口。congratulation n.祝词,贺辞。relation n.关系,联系,叙述,故事,亲戚；[习语]relation by marriage(姻亲,裙带关系)。translation n.翻译,译文,转化,调任,转换。3.邻里邻外population---在population后加over变为：overpopulation n.人口过剩congratulation---把congratulation里的ion换为e变为：congratulate vt.祝贺,庆贺,恭喜relation---在relation后加ship变为：relationship n.关系,关联translation---把translation里的ion换为or变为：translator n.翻译者4.佳句背诵What's the population of your country?你们国家有多少人口?Congratulations on your success! 祝贺你成功！They have business relations with me. 他们和我有生意来往。A good friend is my nearest relation.好友即至亲。I have a Japanese translation of Hamlet我有一本《哈姆雷特》的日文译本。