高考英语一轮复习 第1部分 Unit 3 Under the sea教学案（含解析）新人教版选修7-新人教版高三选修7英语教学案

Unit 3 Under the sea [单词 拼写应用]核心单词1．witness vt.当场见到；目击 n．目击者；证人；证据2．opposite prep.在……对面 adj.相对的；相反的3．pause vi.& n．暂停；中止4．drag vt.拖；拉；扯5．urge vt.催促；极力主张；驱策6．neat adj.〈口〉好的；整齐的；匀称的7．flee vt.& vi.逃离；逃避；逃跑8．teamwork n．协作；配合9．narrow adj.狭窄的；有限的；狭隘的10．target n．目标，靶；受批评的对象[语境运用] 用所给词的适当形式填空。1．The two stone lions standing in front of Tian'anmen have_witnessed (witness)many great historic events.2．The family abandoned their home and fled (flee) the country last year.3．Parents and children should communicate more to_narrow (narrow) the gap between them so that they can understand each other better.4．He arrived at school early in the morning，dragging (drag) his heavy instrument case across the campus.5．You'd better set yourself targets(target) that you can reasonably hope to achieve.拓展单词1．annual adj.每年的；按年度计算的 n．年刊；年鉴→annually adv.每年地；年度地→anniversary n．周年纪念(日)2．accommodate vt.& vi.容纳；供应→accommodation n．住所；住宿3．deep adj.& adv.深深的(地)→deeply adv.深深地→deepen vt.& vi.使加深；使强烈；变深；变低沉→depth n．深(度)；深处4．abandon vt.放弃；遗弃；抛弃→abandoned adj.放纵的；堕落的5．reflect vt.& vi.反射；思考→reflection n．反射；沉思6．pure adj.纯粹的；纯洁的→purely adv.纯粹地；完全地7．aware adj.意识到的；知道的→awareness n．意识8．vivid adj.生动的；鲜明的；鲜艳的→vividly adv.生动地9．sharp adj.锐利的；锋利的；敏捷的→sharpen vt.& vi.削尖；磨快；尖锐；变锋利→sharpener n．卷笔刀10．taste v．& n．品尝；尝起来；味道→tasty adj.好吃的；可口的→tasteless adj.无味的11．scare vt.& vi.恐吓；受惊吓→scared adj.恐惧的；害怕的→scary adj.引起恐慌的12．relate v．使有联系；叙述；涉及→related adj.有关系的；有关联的→relation n．关系；叙述→relationship n．关系；血缘...