人教版高考英语基础知识、词汇短语、句式归纳选修7：unit3

1、高考英语基础知识扫盲 -人教版选修七 -unit 3 【基础词汇】1.anecdote n. 轶事 ;奇闻2.offshore adv.& adj. 近海（的）;离岸 （的）3.telescope n. 望远镜4.shark n. 鲨鱼5.conservation n. 保存 ;保护6.jog vi.& vt. 慢跑 ;轻推;轻撞7.seaside n.& adj. 海边（的）;海滨 （的） n. 网;网状物 ;网络9.tide n. 潮（汐）;潮水 ;潮流10. dimension n. 维（数）;方面 ;侧面11. cell n. 细胞;（蜂房的 ）巢室12. seaweed n.海草;海

2、藻13. flashlight n. 闪光信号灯 ;手电筒;闪光灯14. suck vt.& vi. 吮吸15. boundary n. 界限;分界线16. awesome adj. 使人敬畏的 ; 令人畏惧的17. seal n. 海豹;封条;印章【高频词汇】1. witness vt.当场见到；目击 n.目击者;证人;证据2. shore n 岸;海滨3.opposite prep.& adj 在.对面相对的；相反的4. yell vi.大叫;呼喊 n.叫声;喊声5. pause vi.& n .暂停;中止6. teamwork n .协作;配合7. dive vi.& n. 跳水（的动作

3、）;潜水（的动作）;俯冲8. flee vi.&vt. 逃避;逃跑;逃离9.drag vt 拖;拉;扯lO.lip n.一片嘴唇;（容器或洞的）边，口11. urge vt .催促;极力主张 ;驱策12. aba ndon vt 放弃;遗弃;抛弃13. target n.目标;靶;受批评的对象14. pure adj 纯的;纯粹的;纯洁的15. grey adj. & n.灰色（的）16. shallow adj 浅的;肤浅的;浅显的17. steep adj 陡峭的【核心词汇】1. a nn ual adj 每年的;按年度计算的 n.年刊;年鉴 ann ually adv 每年地2. acc

4、ommodate v 为.提供住宿accommodati on n 住所;住宿3. deep adj 深的depth n 深（度）;深处4. urge vt 催促;极力主张；驱策urge nt adj 急迫的5. abandon vt 放弃;遗弃;抛弃abandoned adj 被抛弃的；被遗弃的6. relation n.关系;亲戚relationship n.关系;血缘关系；交往7. reflect vi.思考 vt.映射仮射;思考reflection n.反映;影像;沉思8. aware adj 意识到的;知道的 awareness n 知道;意识9. vivid adj.生动的;鲜明的

5、;鲜艳的vividly adv.生动地;鲜明地10. neat adj 整齐的;匀称的neatly adv 整齐地;匀称地11. narrow adj.狭窄的;有限的;狭隘的narrowly adv 狭窄地;狭隘地12. sharp adj 锐利的;锋利的sharpen vt.&vi.（使）变锋利；削尖13. taste v 尝起来tasty adj 好吃的;可口的14. scare vt 恐吓 vi.受惊吓scared adj 惊慌的；吓坏的15. pension n 养老金;退休金 pensioner n 领取养老金者【词汇拓展】.reflect 用法小结reflection n.影像;深

6、思reflect on/upon sth 思考某事reflect sth.from sth.从某物（表面）反射（光、热、声等）be lost in reflection 陷入沉思中2. 常见反义词shallow（浅的）deep 深 的）n arrow（窄的）wide（宽的）3. urge 相关用法大全urge sb.to do sth 催促某人做某事urge sb.on 鼓励/激励某人have the urge to do sth 有 做某事的欲望urge that.（should）do sth 极力主张；强调It is urged that.（should）do sth 坚决要求.4. 含词

7、根“viv/vit 住命）”勺常见单词vivid adj. 生动的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5. help 用法复习help sb.do/to do sth 帮助某人干某事help yourself （to sth.）随便自己动手（夹菜吃、用 with the help of sb.=with ones help 在某人的帮助下 help （.）out 帮助（某人）摆脱困境或危难help sb.with/（to）do sth.帮助某人某事/做某事can t help doing s

8、忍不住做某事can t help but do s 只得做某事；不得不做某事短语】1.the Antarctic 南极洲2.upside down 上下翻转3. （be） scared to death 吓死了4. float up to 浮到.上来5. a wit ness to sth 某事的证人1. 对.知道、明白；意识到 be/become aware of2. 在此期间 ;与此同时 in the meantime3. 帮助（某人）摆脱困境或危难 help （.） out4. （表示空间）在.前面;（表示时间）比. 更早 ahead of5. 向瞄准 aim at6. 整理;挑出 so

9、rt out7. 认真思考某事 reflect on/upon sth【短语拓展】hold 相关短语集合hold up 耽搁;延误;举起hold back 踌躇;阻止hold on 坚持;抓住;稍等（电话用语 ）hold on to 守住;不卖某物【句式】1.It was a time when the killer whales,or“killers ” as they were then called,helped thwhalers catch the baleen whales that were on their annual migration.那个时候 ,虎鲸（当时被称为 “杀手

10、 ”帮）助捕鲸人在每年须鲸迁徙时捕捉须鲸。考点提炼句中 a time 表示一段时间”相当于 a period of time 后接 when 引导的定语从句。2.The water was quite shallow but where the reef ended,there was a steep drop to the sandy oceanfloor.水很浅，但到了珊瑚礁的尽头，就有一个陡坡，一直下降到满是沙子的海底。考点提炼 where.,there be.,意为 在.的地方，有.”，where 引导地点状语从句。当 where,wherever 指具体地点时，从句可用于主句之前或之

11、后。【仿写句子】1. 那么贵的书那个时候我们买不起。It was a time when we couldn t afford to pay for such expensive books.2. 有志者事竟成。Where there is a will,there is a way.【语篇填空】On the morning of 19th January,I went snorkelling.1.Seeing(see)such extraordinary beauty thinkevery cell in my body woke up and 2Jt was like discoveri

12、ng a whole new dime nsion of life.Duri ng thetrip,I first became aware 3.of the vivid colours surrounding me and the fantastic corals,in and aroundwhich all kinds of elegant fish 4.were(be)swimming.l also found that the fish didn steem to mind meswimmi ng among them.5.But there was still someth ing 6.that made me feel 7.frightened(frighten).Forexample,I didn t want to get close to the eel,t