UNIT 4 HISTORY AND TRADITIONS Vocabulary 单词识记 拓展1.n.谜;智力游戏;疑问vt.迷惑;使困惑 adj.困惑的 2.adj.法律的;合法的 adj.非法的 3.vt.围绕;包围 n.环境 4.n.证据;证明 adj.明显的;明白的 5.n.成就;成绩 vt.完成;(凭长期努力)达到(某目标、地位、标准)puzzle legal illegalsurround surroundingsevidence evidentachievement achieve puzzled看图识词currency krns n.货币The currency of China is RMB.surroundings They live in very noisy surroundings.n.周围的事物,环境surroundvt.包围,围绕They are surrounded by the flag.be surrounded by/with surroundingYou should pay attention to the surrounding environment.adj.周围的portimportexportannouncer