高考英语大一轮复习 Unit 3 Under the sea课件 新人教版选修7

1、选修七 units 3under the sea,第 一 部 分,主 干 知 识,.单词分类巧记 a阅读词汇认一认 1anecdote n_ 2boundary n_ 3accommodation n_ 4dimension n_ 5migration n_,轶事；奇闻 界限；分界线 住所；住宿 维(数)；方面；侧面 迁徙；迁居；移居,b高频词汇写一写 1_n协作；配合 2_n关系；血缘关系；交往 3_vi.& n暂停；中止 4_vi.& n跳水；潜水；俯冲 5_vi.& n逃避；逃跑；逃离 6_n目标；靶；受批评的对象,teamwork relationship pause dive fle

2、e target,7_vt.放弃；遗弃；抛弃 8_adj.口好的；整齐的；匀称的 9_adj.浅的；肤浅的；浅显的 10_prep.在对面adj.相对的；相反的 11_adj.每年的；按年度计算的n年刊；年鉴 12_vt.当场见到；目击n目击者；证人；证据,abandon neat shallow opposite annual witness,c核心词汇链一链 1_vt.保存_n保存；保护 2_adj.意识到的；知道的_n意识；觉悟 3_vi.思考vt.映射；反射；思考_n反射；反映 4_n味道vt.品尝_adj.好吃的；可口的 _adj.无味的；不可口的 5_vt.恐吓vi.受惊吓_adj

3、.可怕的；吓人的 _adj.感到恐惧的,conserve,conservation,aware,awareness,reflect,reflection,taste,tasty,tasteless,scare,scary,scared,6_adj.锐利的；锋利的；敏捷的_adv.急剧地，锐利地_vt.削尖；使锋利_n削笔刀 7_vt.催促；极力主张；驱策_n紧急；迫切 _adj.急迫的；迫切的；紧急的 8_adj.深的；深刻的_adv.深深地；强烈地；非常地_vi.加深_n深(度)；深处,depth,sharp,sharply,sharpen,sharpener,urge,urgency,ur

4、gent,deep,deeply,deepen,d写作词汇用一用 1some flowers are_in the river and the_is very beautiful. (reflect) 2it was a_story and children were_after they heard it. (scare) 3the boys pencil isnt_， so he_it with his_. (sharp) 4though the soup is_， ive lost my sense of_and it _just like _water.(tasty) 5some wo

5、rkers work_into the night just to_the small lake to the_of 6 meters.(deep),reflected,reflection,scary,scared,sharp,sharpens,sharpener,tasty,taste,tastes,tasteless,deep,deepen,depth,.短语语境速记 a常考短语默写 1_瞄准；力求达到 2._优于；在前面 3_靠近 4._即将；将要 5_吓得要死；害怕得要命,aim at ahead of get close to be about to do (be) scared

6、to death,6_对知道、明白；意识到 7_上下翻转 8_在此期间；与此同时 9_帮助(某人)摆脱困境或危难 10_举起；抬起；支撑；阻挡；使延误,be/become aware of upside down in the meantime help(.) out hold(.) up,b短语语境填空 1_improving his grades，his parents sent him to the evening school. 2looking for his lost magazine，the man turned the whole room_. 3more and more p

7、eople are_the dangers of air pollution. 4do you work in this office? no，as a clerk in this office is on vacation，im just_here for about a week. 5the conference will begin in an hour；_，lets have a chat. 6from now on，dont take me to watch horrible movies.i_ last night.,aiming at,upside down,becoming a

8、ware of,helping out,in the meantime,was scared to death,.词语高效积累 1几组常见反义词速记 narrow 窄的 wide 宽的shallow 浅的 deep 深的 sharp 锋利的 blunt 钝的 2含词根“viv/vit(生命)”的常见单词面面观 vivid adj.生动的revive vt.复活 revival n复活survive vi.& vt.存活；幸存 survival n存活；幸存vital adj.有活力的；重要的 vitamin n维生素,.佳句填空完形 1it was a time _ the killer wh

9、ales, or killers as they were then called, helped the whalers catch the baleen whales _ were on their annual _(migrate) 当时被人们称作“虎鲸”的鲸鱼帮助人们在须鲸每年回游的季节将它们捕获。 2i had already heard that george didnt like being kept waiting, _ even though i didnt have right clothes on, i raced after _. 我以前就听说过乔治不喜欢等人，所以尽管

10、我还没穿好衣服，但我还是跟在他后面跑起来。,him,when,that,migration,so,3i looked down into the water _ could see old tom swimming by the boat, _(show) us the way. 我从水里望去，可以看到老汤姆就在渔船旁边游着，为我们指路。 4im sitting in the warm night air _ a cold drink in my hand and _(reflect)on the daya day of pure magic! 我坐在温暖的夜空下，手里拿着一杯冷饮，回忆着当天

11、的事情。,reflecting,and,showing,with,5the fish didnt seem to mind me _(swim)among them. 我在这些鱼群中游泳，好像他们并不在意。 6the water was quite shallow but_the reef ended，_a steep drop to the sandy ocean floor. 海水很浅，但是到了珊瑚礁的尽头，就有一个陡坡，一直下降到满是沙子的海底。,there was,swimming,where,.语法过关演练 ving的被动语态 1_(offer) the opportunity to

12、 speak at the graduation ceremony made him overjoyed. 2not_(invite) to the party, john was greatly hurt. 3all the tasks _(finish) ahead of time, they decided to go on holiday for a month. 4you are so independent that im afraid you cant adjust yourself to _(leave) alone for a time. 5the building _(bu

13、ilt) now will be used as our library.,being offered,having been invited,(having been) finished,being left,being built,考 点 探 究,1witness vt.当场见到；目击n目击者；证人；证据 归纳拓展 (1)a witness to sth.某事的证人/证明 give witness to sth.为作证；证明 (2)witness for 为作证 witness to sth./doing sth.证实/证明(做)某事 温馨提示 英语中常用表示时间、地点等的名词作主语，而常

14、用形容人的感官动词作谓语进行拟人。,高 频 单 词,witnesses,having seen,(2)补全句子。 his good health is_ the success of the treatment. 他的健康身体证明这种疗法是成功的。 (2016上海)the late twentieth century _ of chinas economy. 二十世纪末中国经济迅速发展。,a witness to,witnessed the rapid development,2urge vt.催促；极力主张；驱策n强烈的欲望；冲动 归纳拓展 (1)urge sb.to do sth.催促某人

15、做某事 urge that.(should)do sth.极力主张；强调 it is urged that.(should)do sth.坚决要求 (2)urgent adj.紧急的；迫切的 (3)urgency n紧急；催促,urgent,to study,(should)be kept,3abandon vt.遗弃；抛弃；放弃；中止；(与oneself连用)使放纵；使听任n放任；放纵 归纳拓展 (1)abandon oneself to.沉湎于；纵情于 abandon doing sth.放弃做某事 (2)with abandon 放纵地；放任地 (3)abandoned adj. 无约束

16、的；被遗弃的 be abandoned to 沉湎于,巧学助记 the child was abandoned by his parents.eventually the abandoned boy was found wandering in the street, abandoning himself to despair. 那个孩子被他的父母遗弃了，后来有人发现那个被抛弃的孩子在大街上游荡，他已陷入了绝望。,abandon,(2)单句语法填空。 they abandoned _(carry) out the plan for lack of money. 因为缺少资金，他们放弃了执行这项

17、计划。 we should keep off those who abandon themselves _ drugs. 我们要远离那些吸毒成瘾的人。,carrying,to,4reflect vt.映射；反射；思考vi.思考 归纳拓展 (1)reflect.in sth.(指镜子等)映出的影像；在中反映出 reflect on/upon sth.思考某事 (2)reflection n. 反射；反照；反映；映像；沉思 be lost in reflection 陷入深思中,on/upon,reflection,(2)翻译句子。 (2016浙江)when the time came to ma

18、ke the final decision for a course, i decided to apply for the one that reflected my interest. _,当面临做选课的最终决定时，我决定申请能反映我兴趣的那门课。,5flee (fled, fled) vt.逃离vi.逃避；逃跑 归纳拓展 flee from 逃离某地 flee to/into 逃到 flee away 逃跑 flee ones duty/responsibility 逃避责任,辨析escape/flee,escape,fled,6scare vt.恐吓vi.受惊吓 归纳拓展 be sca

19、red to death吓得要死 be scared of(be afraid of)害怕 be scared to do(be afraid to do)不敢做某事 scare .away 把吓跑,was scared to death,scared away,to see,of,1help sb.out 帮助某人摆脱困境或危难 归纳拓展 (1)help sb.with/(to)do sth.帮助某人某事/做某事 cant help doing sth.忍不住做某事 cant help but do sth.只得做某事；不得不做某事 help yourself(to sth.)随便自己动手(

20、吃/用等) (2)with the help of sb.with ones help 在某人的帮助下,重 点 短 语,help her with,couldnt help playing,i couldnt help but ask,with the help of,helped out,2be/become aware of对知道、明白；意识到 归纳拓展 (1)be aware that.知道；体会到 as far as im aware 据我所知 (2)awareness n意识；认识 environmental awareness 环境意识 raise/increase the public awareness of .提高公众的意识,am/become aware,awareness,at that moment i was _(aware) that his error would lead to such big losses. 那时，我不知道他的过错会造成这么大的损失。 i became aware_ how lonely my mother must have been in brazil herself. 我逐渐意识到了母亲那时一个人在巴西是多么的孤独。,unware,of,the water was quit