（广东专版）2017届高三英语一轮课件：Unit 2《Working the land》（新人教版必修4）_高考复习指南

（广东专版）2017届高三英语一轮课件：Unit 2《Working the land》（新人教版必修4）

　　Ⅱ.写出下列单词的变化形式 1．使变大，伸展，阐述vt.& vi.________；扩大，扩展，膨胀 n．________；有扩大或扩展性的 adj.________ 2．输出，出口vt.& vi.________；输出，出口n.________；出口商，出口国 n．________ 3．使迷惑，使为难vt.________；迷惑，惶惑 n．________；迷惑的adj.________；令人迷惑的adj.________

　　4．循环，流传vt.& vi.________；循环，流传，发行量n.________；循环的，环绕的 adj.________ 5．总结，摘要，概要n.________；总结，概括 v．________ 6．自由n.________；自由的adj.________ 7．化学的，关于化学的adj.________；化学n.________；化学家 n．________ 8．生产，制造 n．________；生产，制造 v．________；生产商，制造者n.________ 9．发现v.________；发现n.________；发现者n.________ 10．细菌(单数)n.________；细菌(复数) ________ 答案： 1．expand；expansion；expansive 2．export；exportation；exporter 3．confuse；confusion；confused；confusing 4．circulate；circulation；circular 5．summary；summarize 6．freedom；free

　　7．chemical；chemistry；chemist 8．production；produce；producer 9．discover；discovery；discoverer 10．bacterium；bacteria ◆ 活学活用 1．You are ________ to express yourself now. But do you know how many people are still struggling for ________ now？(freely) 用所给单词的适当形式完成句子 2．People who_______ false news that this magazine has a small_______ are to blame. (circulate) 3．Many________ are working in the ________factory to make ________fertilizers. (chemistry) 4．He was really ________by the ________problem which also ________other people for a long time. (confuse)