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1、Unit 3 Under the sea,Step One 构词助记,Step Two 词义助记,内容索引,Step Three 语境助记,Vocabulary Breakthrough,Step One 构词助记,A组 前缀 scope n. n. B组 后缀 accommodate v. n.住所；住宿 taste n. adj.好吃的；可口的 pension n. n.领取养老金者,telescope,accommodation,tasty,pensioner,adv.n. adv.& adj.近海(的)；离岸的,n.& adj.海边(的)；海滨(的) n.海草；海藻 n.闪光信号灯；手
2、电筒；闪光灯,C组 合成 n.n. n.协作；配合 n.关系；血缘关系；交往,teamwork,relationship,seaside,seaweed,flashlight,offshore,D组 转化 adj.n. 年刊；年鉴 vt.n. 目击者；证人；证据 adj.prep. 在对面 vi.n. 暂停；中止,annual,witness,opposite,pause,Step Two 词义助记,A组 同义词 bank n. n. shout v. v. escape v. v. delicious adj. adj. B组 反义词 messy adj. adj. wide adj. ad
3、j. deep adj. adj.,shore,yell,flee,tasty,neat,narrow,shallow,C组 形近词 fitness n.健康；适当 v.& n.目击；见证 bet n.打赌 n.网状物；网,witness,net,Step Three 语境助记,1.背诵经典 The retail trade is witnessing a sharp fall in sales. 2.背诵经典 The children learned about the relationship between the moon and the tides. 3.背诵经典 Many dolphins can dive to the depth of 200 metres. 4.背诵经典 When I saw a shark，I was almost scared to death and fled back to the shore at once.,5.背诵经典 This measure is to make people become aware of the importance of wildlife conservation.,本课结束,
