選修七unit3知識點

1、選修七Unit 3 Under the Sea一、語言要點I單元要點預(yù)覽（旨在讓同學(xué)整體了解本單元要點）詞匯部分詞語辨析1.shore/seaside/beach/coast/bank 2.flee/escape 3. deep/deeply詞形變化1. depth n. 深, 深度,deeply adv.深深地deep adj.& adv. 深的;深入地,2. conserve v. 保存, 保藏conservation v. 保存, 保持3.vivid adj. 生動的, 鮮明的, 活潑的vividly adv. 生動地, 鮮明地4. awesome adj. 引起敬畏的, 可怕的

2、awe n. 敬畏awe vt.敬畏5.tasty adj. 好吃的, 可口的taste v.品嘗; n味道, 味覺tasteless adj. 沒味道的, 無鑒賞力的重點單詞1. annual adj. 每年的；按年度計算的/ n. 年刊；年鑒2. witness n. 目擊者；證人；證據(jù)vt. 當(dāng)場見到；目擊3. accommodation n. 住所4. abandon vt. 放棄；遺棄；拋棄5. reflect vt. 映射；反射vi. & vt. 思考6. aware adj. 意識到的；知道的7. scare vt. 恐嚇vi. 受驚嚇重點詞組sort out整理；挑出

3、help out 幫助（擺脫困難或危難）；協(xié)助；使脫離困境throw oneself out of 躍出 upside down上下翻轉(zhuǎn)過來重點句型1. It was a time when the killer whales, or “killers” as they were then called, helped the whalers catch the baleen whales that were on their annual migration.2. I had already heard that George didnt like being kept waiting, s

4、o even though I didnt have the right clothes on, raced after him.3. Im sitting in the warm night air with a cold drink in my hand and reflecting on the day-a day of pure magic!重點語法被動語態(tài)（II）(見語法專題)II 詞語辨析 (旨在提供完形填空所需材料) 1). shore/seaside/beach/coast/bank n.海邊，海岸【解釋】shore 指海岸，湖岸，也指近海的一帶。seaside指近海邊地區(qū)供游

5、客休憩，娛樂的海邊。beach指海洋或大湖在漲潮時被淹沒而退潮時又露出的斜坡，可供人們玩樂，消遣的沙灘，海灘。coast以陸地為中心的海岸線bank河流的堤，岸【練習(xí)】選擇shore/seaside/beach/coast或bank并用其適當(dāng)?shù)男问教羁?) Last summer we spent all our holiday at the _.2) I enjoy lying on the _ with sunglasses in the sun.3) Its dangerous for children to play on the _ of the river.4) We often

6、see many ships on the sea about several miles off the _.5) The land is barren on the east _.Keys: 1) seaside 2) beach 3) bank 4) shore 5) coast2). flee/escape v.逃避, 逃跑, 逃走【解釋】flee 只說明動作，不強調(diào)結(jié)果。escape逃離，結(jié)果是成功的?！揪毩?xí)】選擇flee或escape，并用其適當(dāng)?shù)男问教羁?) The enemy _ in disorder. 2) Citizens were forced to _ the bes

7、ieged city. 3) He narrowly _ death. Keys: 1) fled 2) flee 3) escaped3) deep/deeply adv.深深地；【解釋】deep 表示深地，深處（常用于具體的方面）deeply常表達抽象含義?！揪毩?xí)】選擇deep或deeply并用其適當(dāng)?shù)男问教羁?) The police found out the lost child _ in the woods at last. 2) All of us were _ shocked at the bad news. Keys: 1) deep 2)deeplyIII 詞性變化 （旨在

8、提供語法填空所需材料）1. depth n. 深, 深度,deeply adv.深深地deep adj.& adv. 深的;深入地,2. conserve v. 保存, 保藏conservation v. 保存, 保持3.vivid adj. 生動的, 鮮明的, 活潑的vividly adv. 生動地, 鮮明地4. awesome adj. 引起敬畏的, 可怕的awe n. 敬畏awe vt.敬畏5.tasty adj. 好吃的, 可口的taste v.品嘗; n味道, 味覺tasteless adj. 沒味道的, 無鑒賞力的【練習(xí)】根據(jù)句子結(jié)構(gòu)，用括號內(nèi)所提供詞的適當(dāng)形式填空1) T

9、he lake is over 20 meters in _ so we were all moved _ by the man who dived _ into the lake to save the little boy. (deep)2) I _ remember the girl dressed in _ color he drew in the exhibition.(vivid)3) Anyone who launches a war is _ and is _ by people who love peace all around the world. (awe)4) The

10、_ of energy will help us research the way to save and _ the energy. (conserve)5) Though the soup is _, Ive lost my sense of _ and it _just like _water.(taste)、keys:1) depth; deeply; deep 2) vividly; vivid 3) awesome; awed 4) conservation; conserve 5) tasty; taste; tastes; tastelessIV 重點詞匯 （旨在提供綜合運用所

11、需材料）1. annual adj. 每年的；按年度計算的/ n. 年刊；年鑒重點用法annually adv. 年年地, 每年地典例 1) an annual income. 年收入2) an annual report年度報告2. witness n. 目擊者；證人；證據(jù)vt. 當(dāng)場見到；目擊典例 1) He is the witness to the accident. 事故的目擊者2) This old auditorium has witnessed many ceremonies. 這個古老的禮堂內(nèi)舉行過許多次典禮重點用法give witness on behalf of sb.

12、為某人作證3. accommodation住所 重點用法accommodate v.向.提供, 容納, 調(diào)和; 適應(yīng)accommodation address臨時通訊處accommodation allowance膳宿津貼典例 1) The high cost of accommodation makes life difficult for students in London由于住宿費用昂貴，倫敦的學(xué)生感到生活困難。2) The university offers excellent accommodation for summer visitors這所大學(xué)為夏季來訪者提供了很好的住宿。4

13、. abandon vt. 放棄；遺棄；拋棄n放任, 狂熱重點用法abandon oneself to sth./doing sth. 沉溺于abandon to sb 把舍棄給with abandon放任地；放縱地；縱情地典例 1) They abandoned all hope of finding an effective way to solve the problem他們放棄了尋找有效方法解決問題的所有希望。2) We should keep off those who abandon themselves to drugs我們要遠離那些吸毒成癮的人。3) Don't was

14、te the food left, and abandon it to the dog不要浪費剩下的食物，把它舍棄給狗吃。5. reflect vt. 映射；反射vi. & vt. 思考重點用法reflection n 反射；反映；思考；沉思reflective adj反射的；反映的；沉思的reflect on v. 思考，反省典例 1) Her severe look reflected how she really felt她那冷峻的神情反映出她心中的真正感受。2) Mirrors reflect light鏡子能反射光線。3) I reflected on possible re

15、asons for my failure我仔細考慮導(dǎo)致我失敗的種種原因。練習(xí)用reflect的相關(guān)介詞或正確形式填空.1)The moon appears a _ surface of the lake2)After a minute's _，he answered 3)The plan _ which he reflected was ridiculous4)The problems _ at discussion are to be dealt at tomorrows meeting.Keys: 1) reflective 2)reflection 3)on 4) reflect

16、ed6. aware adj. 意識到的；知道的重點用法unaware不察覺的, 不知道的awareness n. 知道, 曉得bebecome aware of sth意識到某事be aware that-clause知道；意識到make sbaware that-clause提醒某人注意make sbaware of讓某人注意到典例 1) He wasn't aware of the danger他沒有意識到危險。2) Is she aware that I'm coming? 她知道我要來嗎?注意：aware后跟名詞性從句時，一般在從句前不能用of，但在what從句前必須

17、用of。練習(xí) 用恰當(dāng)?shù)慕樵~或aware恰當(dāng)?shù)脑~性填空。1) Also when you write your goals in a particular way you are able to make yourself continuously aware _ situations that will bring you nearer to your goal2)The principal didnt seem to be aware_ there should have been so much dispute about the decision3) Health officials t

18、hroughout the world have tried to make people raise_ about AIDS. 4) Mike seems_ of the trouble hes causing, otherwise he would stop itKeys: 1) of 2) that 3)awareness 4)unaware7. scare vt. 恐嚇vi. 受驚嚇重點用法scaring adj令人害怕的；嚇人的scared adj 受驚嚇的；感到害怕的be scared of(=be afraid of) 遇到(某種事物或行為)而害怕be scared to do&

19、#183;·(=be afraid to do)不敢做be scared to death嚇?biāo)懒说淅?1) You scared me by coming in so quietly 你這么悄悄地進來嚇了我一跳。2) Most girls are scared to light the firework.大多女孩不敢放煙花。 V 重點詞組 （旨在提供綜合運用所需材料）1. sort out整理；挑出; 解決(問題困難)短語歸納 sort through 查看并挑選出put away 把存放好典例1) I've sorted out the papers that can be

20、 thrown away我已經(jīng)把那些可以扔掉的報紙整理出來了。2) We've got a few lime problems to sort out我們有幾個小問題要解決。3) He was sorting through a pile of papers on his desk他在整理桌上的一堆文件。2. help out 幫助（擺脫困難或危難）；協(xié)助；使脫離困境短語歸納 help sb with sth幫助某人做某事with the help of在.的幫助下, 借助help oneself to請隨便自己動手(夾菜吃、用等)can't help doing sth禁不住

21、can't help but do sth只得；不得不典例1) Can you help me out with the maths problem? 你能幫我解出這道數(shù)學(xué)題嗎?2) Please help yourself to some fish隨便吃點魚。3) She can't help laughing她忍不住大笑起來。4) I can't help but wait我只得等。3.throw oneself out of 躍出典例1) The man suddenly threw himself out of the water and said“I'

22、m here'。那個人突然躍出水面說“我在這兒”。短語歸納 throw oneself at沖向throw oneself into投身手；積極從事throw away扔掉throw up嘔吐throw sb into prison把某人投入監(jiān)獄；throw at對準(zhǔn)向扔去(希望擊中)；throw to向(方向)扔去4.upside down 上下翻轉(zhuǎn)過來短語歸納 inside out里面翻轉(zhuǎn)過來的典例1) The naughty child is always turning everything in the room upside down這淘氣的孩子老是把房問的東西搞得亂七八糟

23、。 2) He wore the sweatshirt inside out他當(dāng)時把運動衫反過來穿。VI 重點句子 （旨在提供句子結(jié)構(gòu)等所需材料）1. It was a time when the killer whales, or “killers” as they were then called, helped the whalers catch thebaleen whales that were on their annual migration.那個時期，虎鯨（當(dāng)時被稱為“殺手”）幫助捕鯨人在每年須鯨遷徙時捕捉須鯨。解釋It was/is a time when 曾經(jīng)一度（那時）典例1) It was a time when motorcars were rare. 那是汽車很罕見的時代。2) It was a time when she could not bear the pain and wanted to kill herself.她曾經(jīng)無法忍受病痛，想結(jié)束自己的生命。2. I had already heard that George didnt like being kept waiting, so even though I did