2020最新高二英语选修7unit3单词词汇精讲讲解

选修7第3单元重点单词讲解与练习

“ 目击者；证人；证据 ” 。如：
Ｐｏｌｉｃｅｈａｖｅａｐｐｅ￣ｅｄｆｏｒｉｔｗｎｅｓｓｅｓｔｏｔｈｅ
“ 对面的” 含义解时，可置于被修饰的名词之前或之后，但表示 “ 相反的” 意义时，只能置于被修饰词的前面。 ②表示“ 与 ……相反 ” 或“ 在对面时” ，若看作形容词，其后接介词ｔｏ；若看作介词，则其后的ｔｏ可省略。③用作名词时可数，其单数形式常与定冠词连用。【短语归纳】（ｄｒｉｉｖｎｇ）ｉｎｔｈｅｏｐｐｏｓｉｔｅｄｉｒｅｃｔｉｏｎ朝相反的方向（行驶）；ｏｎｔｈｅｏｐｐｏｓｉｔｅｓｉｄｅｏｆｔｈｅｓｔｒｅｅｔ在街的对面；ｏｐｐｏｓｉｔｅｔｏ相对于；与 …… 相反；ｎｏｔ …ｊｕｓｔ（ｑｕｉｔｅ）ｔｈｅｏｐｐｏｓｉｔｅ不 … … ，正好（完全）相反３．ｙｅｌｌｖｉ：呼喊（＝ｕｔｔｅｒａｌｏｕｄｓｈａｒｐｃｒｙｏｒｃｒｉｅｓａｓ
Ｉｉｆ
．
◆ 单词精讲１．ｗｉｔｎｅｓｓｖｔ．当场见到；目击（尤指罪行或事故发生）（＝ｔｏｓｅｅｓｔｈ．ｈａｐｐｅｎ，ｅｓｐ．ａ
ｃｒｉｍｅｏｒａｃｃｉｄｅｎｔ，ｂｅｃａｕｓｅｙｏｕ’ ｒｅｐｒｅｓｅｎｔ

人教英语选修7Unit3词汇教学课件(共46张PPT)

narrow the generation gap. 5.The team lost narrowly.
答案：1. adj. 狭窄的 2. adj. 狭隘的 3. adj. 九死一生 4. vt. 缩短，使变窄 5. adv. 勉强地
Ⅲ. 探究总结重点词的用法：(小组活动，5分钟) 第一组： 1. Her family urged her to find another job. 2. The report urged that all children be taught to swim. 3. We strongly urge on\upon you the importance of this
【巧记】ba-leen 谐音：我们班的一名叫“柏林”的同学胡须特多，可惜不是鲸须。
4. annual ['ænjʊəl] adj. = yearly 每年的；按年度计算
的
n. 年刊；年鉴【巧记】an-nu-al 谐音：阿牛联想：阿牛每年都到大陆开个人演唱会。
5. witness ['wɪtnɪs] vt. 当场见到；目击 n.目击者；证人；证据
4. Walking in the forest, he felt __a_b_a_n_d_o_n_e_d(abandon) by the world.
5. The final score of the basketball match was 93:94. We were only __n_a_rr_o_w__ly_ (narrow) beaten.
答案：1. adj. 2. adv. 3. prep. 4. n.
第二组： 1. He witnessed the accident. 2. Neither witness told the truth. 3.She gave witness on behalf of the accused person. 4.These facts are a witness to his carelessness.

新版人教版选修7 第3单元单词讲解(共34张PPT)演示课件

做个X射线检查，然后他就可以做出诊断。urge sb. to do sth.“催促/力劝某人做某事”。
【答案】 A
abandon vt.遗弃；抛弃(某人)；中止 n．放任；放纵
We will never abandon our principles.我们应该坚持原则。 (1)abandon oneself to(doing)纵情于，沉溺于…… She abandoned herself to despair.她陷入绝望之中 . Please abandon youself to studying.请让你自己沉溺于学习。 (2)abandon doing sth.放弃做某事 (3)with abandon放纵地，放任地 People were shouting and cheering with abandon. 人们纵情欢呼。 (4) abandoned adj. 放荡的，放纵的，无拘束的
They scared the little boy into stealing foods in the supermarket.
他们威胁这个小男孩到超市里去偷食品。
scare sb.to death把某人吓得要死be scared to death
(2)scared adj. 害怕的；担心的；恐惧的
6．flee vi.& vt.逃走；逃离；逃避归纳拓展注意：flee 作“逃跑”讲时，可以是及物动词，也可以是不及物动词。用作及物动词时，它的过去式和过去分词都是 fled。 flee from 从……逃离，逃避 flee to 逃至 When they saw the police car，his attackers turned and fled. 那些袭击他的人看到警车后转身就逃。

高二选修7 Unit 3 Under the sea词汇知识点讲解[课件]共26页文档

through.
a. 狭窄的v. 使...狭窄
• 7. We must sort out the good apples
from the bad ones. (1)分类(2)整理（3）解决
• 8. The dog's tongue was hanging out • 9. Our dining-hall is trying it（s1b）e舌st头t（o2）语言
• 4。奥运会期间，旅馆房间很难找。
• Hotel a_cc_o_m__m_o_d_a_t_i_o_n_ will be scarce缺乏
的during the Olympic Games.
• 5.从高楼的最高层往下看我感到很害怕。
• I'm s_c_a_r_e_d___to look down from the top of a
2.Guess the meaning according to the context
• 1. His yearly income is about 50,000. In
other words, his annual income is not
high.
每年的
• 2. There are many anecdotes about
Anemone fish
海葵鱼
vivid colors
Word study
Unit 3 Under the sea
1.Match the words with their meaning
① yell
A. utter (发出)a sudden loud cry
② witness ③ flee ④ drag
cater 满足each student’s taste.口味

选修7 unit3 单词(课堂PPT)

lake
4. We lived on the south __c_o_a_s_t_ 10 years ago.
5. opposite (prep/ adj./ n)
He sat down opposite me.在……对面
The taxi driver hurried away in the opposite direction. 相反的
• opposition (n) 反对(～ to sb/ sth)；对手
• be opposed to 反对；与……对立
• I am opposed to your view.
• Ex. (page 37)
• ①Jack is considerate; his wife is ___t_h_e__co_m__p_l_e_te__o_p_p_o_s_it_e___(恰恰相反).
n. 叫声, 喊声 The crowd let out a yell of delight.
7. pause (vi./ n.)
• vi. 暂停；中止
He paused for breath and continued climbing. n. (C) He made a short pause and then went on reading. without pause 不停
Here comes the bus.= The bus is coming
16
9. depth n. 深度；深处这个湖有多深？ What’s the depth of the lake? It is 3,000 meters in depth. 拓展： deep (adj.) → depth (n) →deepen (v.) high (adj.) → height (n) →heighten (v.) wide (adj.) → width (n) →widen (v.) long (adj.) → length (n) →lengthen (v.) strong (adj.) → strength (n) →strengthen (v.)

(完整版)高中英语选修七Unit3单词和课文详解

Unit 3△ sno rkel vi. 戴潜水通气管潜泳n. （潜水艇或潜水者的）通气管△ aquarium n.水族馆；水族箱；养鱼缸anecdote n. 轶事；奇闻△ Clancy n. 克兰西（男名）△ balee n n. 鲸须△ balee n whale 须鲸annual adj.每年的；按年度计算的annual in come/ rainfalln.年刊；年鉴Ann（=year）-annual, anniversary 周年，纪念日△ migrati on n. 迁徙；迁居；移居migratewitness vt. 当场见至U;目击be present at... 表明，说明（suggest, indicate）,作证n.目击者；证人；证据/词Be a wit ness to...是…的目击者bear - of/ to...做…的证人、证据Give - on behalf of...替...作证Accommodation n. Rooms,住所；住宿，膳宿（pl.） - bridge/road 专用桥梁/车道Make -s for...为..提供膳宿Book - at a hotel向旅馆预订房间Arran ge one '-给某人安排住处Accommodate v.适应，调节，调整，供给，留宿Accommodator调节者，提供方便者shore n.岸；海滨v.用撑杆支撑，支撑，稳住supportGo on - 上岸in - 近岸，靠岸off - 离岸，-dinner 海鲜大餐Shore常用词，beach指涨潮时有水退潮时无水的部分，coast沿着ocean的海滨，seaside 指作为游憩地的范围广阔的海滨offshore adv.&adj. 近海（的）；离岸（的）opposite prep. 在对面（BrE.） across from （AmE.）adj.对面的，相对的；相反的，迥然不同的ad.对面N.对立的人/物，对立面，反面Hot and cold are -.Opposition n.反对，反抗，对手，敌手in - to反对着yell vi. 大叫；呼喊utter a loud sharp cry 叫喊着说n.叫声；喊声Cry因恐惧、痛苦、惊奇等喊叫，也可指放声大哭Yell指求援、鼓励的呼叫，也指因外界刺激而发出的尖利声音Shout有意识的喊叫，常用发出命令、警告或唤起注意等Roar发出大而深沉的声音，咆哮pause vi. & n. 暂停；中止△oar n.桨；橹telescope n. 望远镜telescopic 望远镜的、放大的Telegram 电报telecom muni cati on 电信，电讯teletext 图文电视televisio n Televise 用电视传播telephone teleconference 远程会议teamwork n. 协作；配合△blow-hole n.（鲸鱼的）鼻孔；（隧道的）通风口dive vi. & n. 跳水（的动作）；潜水（的动作）；俯冲flee vi. （fled, fled）逃避；逃跑vt.逃离强调逃跑行为本身Escape强调逃跑的结果，即成功逃跑Run away （口）不辞而别△harpoo n n.（捕鲸用的）鱼叉drag vt.拖；拉；扯劝人勉强来、去n.累赘绊脚石Drag慢慢地、用力地拖笨重的、阻力大的东西Pull普通用语，用力但不强调里的大小-pushDraw拉，比pull正式，不问力的大小较平稳、从容用在比喻句中，draw one's attention Drag up a child胡乱把孩子养大-sb's name through the mud 丢丑，使人出丑-sb's down to sth.使人社会地位下降-sb into doing sth.硬拉某人参加某活动-sth. Out of sb.迫使某人透漏或交代…depth n.深（度）；深处向下的距离渊博洞察力浓度强度In -全面深入be out of one '-非某人所能理解，为某人力所不及in/ within one '- In the -s of... （despair/night生更半夜）在…深处，在极端...中From the - of the mi nd 从心底里，真心Len gth width breadth （ broad）Deep深的，深奥的，ad.深地，深奥地Deeply ad.深深地，深远地，深切地△mean time adv.在...其间；同时=mea nwhile△ in the mea ntime 在此期间；与此同时lip n. —片嘴唇；（容器或洞的）边，口，粗鲁无礼的话don 'let him give you any lip. Lick/smack one ' lips 舔嘴唇on every one's lips 大家都在谈论purse one's lips 撅嘴Keep a stiff upper lips 忍受困境，坚持Lipstick 唇膏，口红△overboard adv. 越过船舷进入水中urge vt.催促；大力推荐，极力主张；驱赶，鞭策-to do / that clauseN. A stro ng desire to do ...Urge ncy紧急，急切，坚持urge nt a.急迫的，紧要的，紧急的He urged that we go at once.极力主张，强烈要求should + doAba ndon vt. 放弃；遗弃；抛弃desert give_up. 沉溺恣意be addicted to= - on eself to.. N.放任，任性Abandoner放弃者，投保人abandonee承保人被遗弃者-ed 被遗弃的，自暴自弃的，无耻的-ment放弃，放肆-sth. For sth.舍弃某物去取另一物Lu Xun -ed medicine for literature.-sb./sth. To sb.舍弃某人/物而被别人取得With -放肆地，Abandon完全、最终永久放弃Desert故意逃避应尽义务和职责，有非难指责的意味Give up 口= abandonshark n.鲨鱼Help （…）ou帮助（某人）摆脱困境或危难relatio nship n.关系；血缘关系；交往con servatio n n. 保存；保护防止流失保持Con serve v.保存保藏保养Conservative保存的守旧的Conservationist自然资源保护论者Servant- serv（保存）-conserve 保存preserve 保藏reserve 保留△ iceberg n.冰山jog vi.慢跑vt.轻推；轻撞n慢跑Go jogging慢跑jog sb's memory唤起某人的记忆提醒某人-along缓慢而平稳的进行-ger慢跑锻炼者seaside n. & adj. 海边（的）；海滨（的）net n.网；网状物；网络target n.目标；靶；受批评的对象V.把…作为攻击目标/批评对象面向把…对准（某群体）the magazine -s single men tide n.潮（汐）；潮水；潮流趋势the tide is in/ out.涨/退潮了V.帮助某人渡过（困难时期）-sb. Over sth.With the - 顺应潮流赶潮流against the -逆潮流反潮流turn the -转变运气改变形势Tidemark （海滩）高潮痕tidewater 海滨地区沿海低地△ drift net n.流网dime nsion n.维（数）；方面；侧面reflect vi. 思考Vt . 映出某人/物的影像映射；反射；思考表现…性质表达Reflection反射反映映像reflective 反射的反映的reflector 反射物反光镜Flect/flex 弯曲-reflect flexiblepure adj.纯的；纯粹的；纯洁的纯净的洁白的贞洁的mere单纯的仅仅的Pure as a lily洁白无瑕by pure chanee纯粹是偶然机会pure and simple不折不扣的Pureness n.纯粹清白purely 清洁地贞洁地完全地purify使纯净净化-gold 纯金-water - white 纯白impure 不纯的cell n.细胞；（蜂房的）巢室单间牢房aware adj.意识到的；知道的见闻广博的感兴趣的well-i nformedAwareness 知道认识意识兴趣unaware未意识的不认识的be/become aware of对... 知道、明白；意识到...vivid adj.生动的；鲜明的；鲜艳的（头脑）活跃的富有创造力的-ly vividness活泼逼真neat adj. （口）好的；整齐的；匀称的tidy good excellent simple简洁的灵巧的-ly n eat ness n eate n 使整洁seaweed n. 海草；海藻narrow adj.狭窄的；有限的；勉强的狭隘的v.变窄Narrowness狭窄narrow-minded 气量小的心眼小的flashlight n.闪光信号灯；手电筒；闪光灯upside dow n 上下翻转的乱七八糟的毫无条理的In side out 里朝外的outside insuck vt. & vi. 吮吸含在嘴里吸食such at/on… 抽取抽吸-it and see试试看-it up 逆来顺受忍气吞声suck sb. In/into sth.把某人卷入某事Such up to sb.奉承某人巴结Sucker （动物的）吸盘没有主见的人△sea-slug n.海蛞喻△turtle n. 海龟；龟；甲鱼△eel n.鳗；鳝sharp adj.锐利的；锋利的；敏捷的灵敏的尖锐的严厉的急剧的急转的Be sharp at对..灵敏In sharp con trast with 同..形成鲜明的对比Sharpen使变锐利变锋利sharpe ner削尖的器具sharp-eared耳朵尖的Sharp-nosed嗅觉灵敏的sharp-eyed眼光敏锐的tasty adj.好吃的；可口的美味的风骚的性感的有味道的Tasteful高雅的雅致的优美的tasteless无味的不可口的taster品酒师品茶员△giant adj. 巨人的；巨大的n.巨人；伟人△clam n.蛤grey adj. & n.灰色（的）头发花白的dull昏暗的阴沉的忧郁的灰色灰白色V.变灰白scare vt.恐吓vi.受惊吓（be） scared to death 吓死了-sb. Away/ off 把某人吓跑-sb into doing ...威胁某人做Be -d of sb./sth.害怕某人/物Be -d of doing sth.害怕发生...Be -d to do 害怕做...shallow adj.浅的-light ;肤浅的；浅显的浅的（深度-dark）弱的N. （pl.）浅水处浅滩Shallowness n.肤浅浅薄steep adj.陡的陡峭的急剧的大起大落的（价格或要求）过高的过分的-er/-est Steepen使变陡-ly陡峭地突然地急剧地boundary n.界限；分界线边界山脉、河流等天然边界地图上的领土分界线Border边境地带范围广Frontier设防的边界边境要进行护照、签证等检查An tarctic adj.南极的the An tarctic 南极洲awesome adj.使人敬畏的；令人畏惧的很好的极好玩的敬畏+-someAwful可怕的极坏的难过的Awkward尴尬的笨拙的使用不便的Aweless大胆的无畏的Handsome troublesome 讨厌的tiresome 令人厌倦的Ionesome 寂寞的△leap vi. & n. （leapt, leaped;leapt, leaped）跳；跳跃跳高vt.跳过（障碍）猛冲突然做骤增猛涨seal n.海豹；封条；印章v.密封盖章对…提出确认保证批准-off 圭寸闭圭寸锁 set /put one's seal to 在…上盖章承认△ refund vt. 退还；偿还 -sb. Sth=- sth. To sb.将某物退还给某人n.退款返还款偿还金额Refundable 可退还的pension n. 养老金；退休金Receive a retirement - 领退休金 Un it 3 OLD TOM THE KILLER WHALE 虎鲸老汤姆I was 16 whe n I bega n work in June 1902 at the whali ng statio n. 1902年6月，我开始在捕鲸站里工作，那时我才16岁。

2020版新高考英语选修7Unit3Underthesea

2020版新高考英语选修7Unit3Underthesea Unit 3Under the sea[单词拼写应用]核心单词1．witness v t.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 v i.& n．暂停；中止4．drag v t.拖；拉；扯5．urge v t.催促；极力主张；驱策6．neat adj.〈口〉好的；整齐的；匀称的7．flee v t.& v i.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 ad v.每年地；年度地→anniversary n．周年纪念(日)2．accommodate v t.& v i.容纳；供应→accomm odationn．住所；住宿3．deep adj.& ad v.深深的(地)→deeply ad v.深深地→deepen v t.& v i.使加深；使强烈；变深；变低沉→depth n．深(度)；深处4．abandon v t.放弃；遗弃；抛弃→abandoned adj.放纵的；堕落的5．reflect v t.& v i.反射；思考→reflection n．反射；沉思6．pure adj.纯粹的；纯洁的→purely ad v.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 ad v.生动地9．sharp adj.锐利的；锋利的；敏捷的→sharpen v t.& v i.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 v t.& v i.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；血缘关系；交往[语境运用]用所给词的适当形式填空。