第6講Unit6Electricity(含參考答案)

1、實用文檔初中英語教學(xué)輔導(dǎo)講義教師姓名學(xué)生姓名上課時間輔導(dǎo)科目英語年 級七（下）上課表現(xiàn)課題名稱第六講：Unit 6 Electricity教學(xué) 目標(biāo)知識點：情態(tài)動詞：can, may和must的用法考點：1.考察本單元單詞短語及句型2. 考察本單元語法知識運用能力：1.學(xué)習(xí)并會靈活運用本單元詞匯短語及句型3. 準(zhǔn)確運用本單元語法點：情態(tài)動詞4. 完型閱讀能力訓(xùn)練方法：練習(xí)+歸納Step 1 Homework Checking作業(yè)講評;詞匯短語聽寫：單詞得分 短語得分上節(jié)課知識點回顧Step 2 Warming-up經(jīng)典廣告（二）IBM公司：沒有不做的小生意，沒有解決不了的大問題。No busi

2、ness too small, no problem too big.2、二星電子：感受新境界。Few the new space.3、麥斯威爾咖啡：滴滴香濃，意猶未盡。Good to the last drop.4、百事流行鞋：渴望無限。Ask for more.Step 3 Phonetic Symbols語音基礎(chǔ)小練習(xí)：選出下列每組單詞中音節(jié)數(shù)目與其他三項不同的一項()1. A. bottomB. replyC. continueD. return()2. A. testB. fatC. fridgeD. journey()3. A. majorB. enjoyC. tidyD. oxy

3、gen( )4. A. rememberB. perfectC. potatoD. furniture()5. A. favouriteB. harmfulC. produceD. airportkeys: CDDBAStep 4 Language LearningUnit Six Electricity單詞歸納n.electricity,conversation, rule, wire, cable, moment, battery, cooker,fridge, bulbv.identify, reply, connect, lock, test, tidy, touchadj.fooli

4、shpron.anyone【單詞重點講解】1. electricity n.電e.g. Can you get me a packet of electricity?你能給我一包電嗎？【解析】(1) electricity 意思是“電”，常常用作不可數(shù)名詞(2)這個單詞共有五個音節(jié)：e-lec-tri-ci-tye.g. We use electricity to run machines.我們使用電力來運行機器。We need electricity all day long.我們整天都需要電?！就卣埂縠lectric adj.導(dǎo)電的；電動的；電的electrical adj.與電有關(guān)的；用

5、電的；電的【典型例題】( )I don ' t want to live in a village without . A. electricB. electricalC. electricityD.electricities key: C2. anyone pron. 任何人e.g. Does anyone want anything? 有人要(買)什么東西嗎？ 【解析】(1) anyone意思是“任何人"；anything意思是“任何東西”，它們都是不定代詞，為單 數(shù)。(2)常常用在一般疑問句和否定句中。e.g. He didn ' t tell anyone a

6、bout his address.他沒有把他的地址告訴任何人。Does he want anything to eat?他想吃什么東西嗎?【拓展提高】其他不定代詞有：物人地點some-somethingsomeone/somebodysomewhereany-anythinganyone/anybodyanywhereno-nothingno one/nobodynowhereevery-everythingeveryone/everybodyeverywhere【典型例題1()1. I ' m hungry. I want to eat.【中考真題】A. anything B. so

7、mething C. everything D. nothing()2.is too difficult if you put your effort into it.【中考真題】A. Anything B.Something C. Nothing D.( )3. -The story is so amazing! It read.【中考真題】-But I' m afraid it wonA. everybody B. somebodys the most interesting story I't be liked by.C. anybody D. nobodyEveryth

8、ing， ._ ve ever()4. Julie enjoys listening to music very much.【中考真題】She often says to me that is more interesting than music.A. nothing B. something C. everything D. anything ()5. -Is your sister ill?【中考真題】-Yes, but, only a little cold.A. serious anythingB. nothing seriousC. serious nothingD. anythi

9、ng seriouskeys: 15 BCAAB3. moment n. 瞬間；片刻e.g. I ' d like to talk to you for a moment.我想和你談?wù)??！就卣埂颗cmoment相關(guān)的短語：a moment ago 剛剛;剛才at the moment現(xiàn)在;止匕亥Uwait a moment 等會兒at the moment止匕時止匕亥Ufor the moment 暫時in a moment過一會兒at any moment 任何時亥U4. battery n. 電池e.g. The chemicals inside batteries produce

10、electricity.電池里面的化學(xué)物質(zhì)產(chǎn)生電?！咀⒁狻縝attery 意思是“電池”，是可數(shù)名詞，復(fù)數(shù)形式為 batteries 。e.g. The calculator needs a new battery.計算機需換新電池。5. cooker n. 廚灶，爐具【短語】rice cooker 電飯煲【拓展】cook v.烹調(diào)；n.廚師e.g. A cook is cooking some rice with the cooker now.一個廚師正在用炊具煮米飯。請隨便吃冰箱里的食物。6. fridge n. 冰箱(它也稱為 refrigerator )e.g. Help yourse

11、lf to the food in the fridge.短語歸納ReadingListening Grammara packet of一袋washing machinefemin packets幾包的；成包的rice cooker電飯煲look foolish看上去很傻think of想到flow through流經(jīng)use to do用去做in a way在某種程度上play the guitar彈吉他(be) connected to連接到rode a bicycle騎自行車power station發(fā)電站play chess下棋Here you are.給你。as many-as和 .樣

12、多的Speaking Writingbe ready to do準(zhǔn)備好去做switch off關(guān)（點燈、機器等）take the medicine吃藥a light bulb電燈泡share sth. with sb.與分享/共用test the water測試水溫go out alone獨自外出take a bath沐浴More Practicetidy upair conditioner收拾妥；整理好空調(diào)safety tipsturn on安全提示打開（電器類）make rules制定規(guī)則turn off關(guān)閉（電器類）ask sb. to do sth.要某人做某事at least至少ma

13、ke sure確保Project把 分成care about關(guān)心divide - into onethe other 一個 另一個since then從那以后spendon花在上面more and more越來越多的be careful with小心【短語句型重點講解】1. She can ' t buy electricity in packets like sweets.她不能買像糖果一樣包好的電?！径陶Z】in packets 意思是“裝在包里的”。類似詞組：a packet of（一包）e.g. Children will get money in red packets as

14、a new year' s gift.孩子們會得到裝在紅包里的壓歲錢作為新年禮物?！镜湫屠}】翻譯：1 .你能幫我買三包鹽嗎？ 2 .我能買到包裝的電。 keys: 1. Can you buy three packets of salt for me? / Can you buy me three packets of salt?2. I can buy electricity in packets.2. It flows through wires. It ' s like water, in a way.它(電)流過電線。在某種程度上，它就像水。【解析】(1) throu

15、gh意思是“穿過”，是一個介詞，常常指在物體的內(nèi)部穿過。e.g. The Changjiang River flows through China.長江流過中國。It ' s dangerous for you to walk through the forest alone.你獨 自 穿過森林是危險的。(2) in a way 意思是“在某種程度上”。e.g. In a way, I agree with you.在某種程度上，我同意你的看法。【拓展】by the way 順便說說 on one ' s way to 在某人去的路上in this way以這種方式；in th

16、e way在路上；擋道3. These are connected to cables under the street.他們(電線)被連接到地下電纜?！径陶Z】be connected to 意思是 “被連接到”e.g. On the new network, all telephones will be connected to other countries.在新網(wǎng)路上，所有的電話都將連到別的國家?！就卣埂縞onnect sth. to/with 把和連接起來4. We use a lot of electrical appliances in our homes every day.我們

17、每天在家里使用很多電器?！径陶Z】electrical appliance 意思是“電器”。electrical 是形容詞(e-lec-tri-cal )。e.g. Can people in modern times live without electrical appliance?現(xiàn)代人沒有電器能生活嗎？The hairdryer is one of the small electrical appliances.電吹風(fēng)是小家電產(chǎn)品之一。5. Keep the outside of the pot dry.保持鍋外部干燥。【解析】keep sb./sth adj. 意思是“保持(某人/某物

18、)怎樣”，此處的形容詞用于修飾sb./sth.e.g. We must keep our classroom clean every day.每天我們必須保持課室干凈。【拓展】(1) keep + sb. / sth. + 形容詞 意為“讓某人/某物保持某種狀態(tài)”。(2) keep doing sth.連續(xù)不斷地做某事，一直做。強調(diào)不斷重復(fù)的動作:(3) keep sb./ sth. doing sth.讓某人不斷地做某事(4) keep sb. from doing sth.阻止某人做某事e.g. We must keep them from getting to know our plan

19、s.我們必須防止他們知道我們的計劃。【典型例題】( )1. Do you know how to keep yourself when you are in danger?A. safely B. safety C. safe D. save2. 我們必須阻止人們伐樹。3. 我爸爸一直工作到半夜。keys: 1. C 2. We must keep people from cutting down trees.3. My father kept working till midnight.【課堂基礎(chǔ)練習(xí)】一、根據(jù)句意及所給的首字母提示寫出所缺單詞，并注意其形式。1. When you read

20、 books in the library, you must obey the r.2. Is a worried about the English exam?3. You shouldn ' t make such a f mistake.4. The little boy went to bed. A m later, he fell asleep.5. The girl is shy. She can ' t start a c with strangers easily.6. The scientists says we can use wind to produc

21、e e.7. If you can' t eat all the meat, you can put it in the f.8. Don ' t t the hot iron, or it will hurt your hand.9. My toy car doesn ' t run because the b is used up.10. I want to t your IQ by answering these questions.二、根據(jù)中文意思，完成下列句子。1 .媽媽買了一袋蘋果和一箱牛奶。Mum bought apples and a box of mi

22、lk.2 .這條電線與電視機相連。The wire the TV.3 .我的姐姐正在整理她的房間。My sister is her bedroom.4 .你發(fā)完郵件后別忘記關(guān)電腦。Don ' t forget to the computer after you send the email.5 .請確認(rèn)每個學(xué)生都在教室里。Please every student is in the classroom.6 .在某種程度上，長假期有時會令人感到無聊。, long holidays are sometimes boring.三、從方框中選擇適當(dāng)?shù)亩陶Z填空，并注意其形式。washing ma

23、chine be careful with, sharewith,air conditioner, take the medicine switch on, go outalone1. We should the electricity. It' s dangerous.2. In hot summer, most families use to help them sleep well.3. W川 you your photos me?4. She was 川 but she didn ' t want to.5. Please the computer. I need to

24、 type some letters.6. Don' t at midnight. It ' s not safe.7. Nobody washes clothes at my home, but the does the work.keys:一、1. rules 2. anyone 3. foolish 4. moment 5. conversation 6. energy 7. fridge8. touch 9. battery 10. test二、1. a packet of 2. is connected to 3. tidying up 4. switch off/

25、turn off5. make sure 6. In a way三、1. be careful with 2. air conditioner 3. share, with 4. take the medicine5. switch on 6. go out alone 7. washing machine【語法歸納】情態(tài)動詞can, may 和 must【定義】1、情態(tài)動詞是一類用于表示說話人的語氣和情態(tài)的助動詞。2、常表示命令、請求、拒絕、義務(wù)、可能、需要等。【專題精講】一、can/could ; can ' t/couldn ' t （ 否定）1）表示能力，意為“能、會”

26、如：I can speak a little English.I can ' t swim.-Can you ride a bike? - Yes, I can. / No, I can' t.2）表示請求或允許，多用于口語中，意為“可以、能”等如： You can go home now.You cant stop your car here.-Can I borrow your bike? - Yes, you can. / No, you can' t.3）用于否定句、疑問句中，表示猜測、懷疑或不肯定.如：Lucy can ' t be at home n

27、ow, she went to the park just now.Where can it be? I can ' t find my football.【技能必備】1） could是can的過去式，有兩種用法：一種表示過去式；一種用來表達(dá)更加客氣，委婉的語氣，時態(tài)性不強，可用于過去，現(xiàn)在。2） be able to 意為“有能力，能夠做”，相當(dāng)于can/could,但它有人稱，數(shù)和時態(tài)的變化。二、may;may not （否定）1）表示“請求，許可”，此時與 can同義，可以互換使用如：-May I borrow your bike? - Yes, you may. / No, y

28、ou may not.-Can I borrow your bike? - Yes, you can. / No, you can' t.2） may/might表示不太肯定的猜測，意為“有可能”如：Lucy may come to school late today.It might rain today.【技能必備】might是may的過去式，有兩種用法：一種表示過去式；一種表示更加委婉，客氣的語氣或?qū)赡苄缘膽岩?。三、must; mustn ' t （否定）1） must （“必須”，表示命令）， mustn ' t （"一定不能”，表示強烈禁止）如：

29、You must go to bed before 22:00pm.You mustn' t play with fire. It ' s dangerous!-Must I write down the sentences ?-No, you needn ' t. (-No, you don ' t have to.)【技能必備】在回答must的疑問句中，否定回答用 needn' t或don' t have to表示“不必”，不用 mustn' t2) must還可以表示非?？隙ǖ牟聹y，意為“一定”如：The girl in a red

30、 skirt must be Lucy.3) must/ have to 的區(qū)另： .must表示必須，強調(diào)主觀上的愿望；have to表示“不得不”，強調(diào)客觀需要如：You must go be bed before 22:00 p.m.My bike is broken, so I have to go to school on foot. .have to有人稱、數(shù)、時態(tài)的變化；must則沒有。如：I have to clean the classroom today.She has to finish her homework first.It was late, he had to

31、go to school without breakfast.【要點歸納】1、情態(tài)動詞無人稱和數(shù)的變化，2、情態(tài)動詞后面跟的動詞需用原形，否定式構(gòu)成是在情態(tài)動詞后面加"not" o3、個別情態(tài)動詞有過去式，過去式用來表達(dá)更客氣，委婉的語氣，時態(tài)性不強, 可用于過去，現(xiàn)在。【課堂練習(xí)】一、單項選擇。( )1. Annie is good at singing. She sing many English songs.A. mayB. canC. needD. must標(biāo)準(zhǔn)文案)2.I sit here? - Sorry, you canA. NeedB. MustC. May

32、D. Do)3. - Must I get there at 6:30 in the morning? - No, youA. mustn ' B. needn ' tC. can ' tD. don ' t)4. Everyonepick the flowers in the park. It's a rule.A. may notB. mustn ' tC. needn ' tD. can)5.-A. MayI use your telephone? - Sure. Here you are.B. MustC. NeedD. Shou

33、ld)6. Our boss said wefinish the project before March 1st. Let ' s hurry.A. mustB.needC. mayD. can)7. Jack is cleverer than me. HeA. doesn ' B. can)8. - Can I watch TV now?-No, you.Itknow the answer.C.needD. may10 o' clock. Yougo to bed.A.,cant, B.cant,C. may not, D. needn ' t,canmus

34、tcanmust9. It 's dangerous to playinthe busy streets.So youplay football there.A. may notB.needn ' tC. not canD. mustn ' t()10. Let's take the picture away. Grandpalike it.A. can 't B. mustn ' tC. may notD. needn ' t、按要求轉(zhuǎn)換下列句子。1. We can jump 200 times in one minute.（改為否定句

35、）2. He must clean all the dishes by himself.（改為一般疑問句并做肯定和否定回答）三、情景反應(yīng)根據(jù)實際情況回答問題。1. What must we do before changing the bulb?2. When you see somebody smoking in the library, what would you say to him?3. Where can you put the meat to keep it fresh?4. What must we do when the air conditioner is on?5. Ca

36、n we switch the rice cooker on if the pot is empty?Keys:一、15 BCBBA 610 ADBDC二、1. We can' t jump 200 times in one minute.2. Must he clean all the dishes by himself?Yes, he must. No, he needn' t. / No, he doesn ' t have to.三、Possible answers:1. We must switch off the electricity.2. You can

37、 ' t smoke here.3. I can put the meat in the fridge to keep it fresh.4. We must close the window.5. No, we can ' t.閱讀完型訓(xùn)練語法選擇We were going to have a test today. It would show if we were _1_ to get in an honours class next year. But, I didn ' t think it was hard for me. It was the maths p

38、artmyfavourite.We took the test _2_ computer. There _3_ 52 questions for us to do in one hour.The boy behind me _4_ nervous. The girl on myleft was nervous, _5_. But when I began _6_ the questions, I saw the whole thing _7_ a game. I tried to _8_ easy ways to do the maths problems. At the end of the

39、 test, my score was 307. But what did it mean?I had _9_ idea. I asked my friend John. He got 227. When he knew my score, he said, “Oh my God. You' re a talent! ” So, I asked _ 10_ people, and got the same answers.( )1. A. enough smart B. too smart C. smart enough D. very smart()2. A. by B. at C.

40、 for D. to)3. A. was B. had C. were D. have()5. A. either B. also C. yet( )6. A. answering B. answered C.()7. A. for()8. A. look()9. A. some()10. A. otherB. like C. toB. find out C. findB. no C. notD. too answer D. answersD. asD. searchD. anyB. another C. the other D. others)4. A. was looking B. loo

41、ked C. looks D. was looked keys: 15 CACBD 610 ADCBA完型填空On Christmas Eve a few days ago, an English couple, the Hardens, got a very specialcall. It was only a 20-second call but it was very _1_. The Hardens' 15-year-olddaughter has gone _2_ six months before. OnChristmas Eve she rang them. “I'

42、; mphoning to wish you a happy Christmas, “ she said, “I love you." Ronals and Edwine Harden were so _3_ that they started a special telephone service(月艮務(wù))called “Alive and Well” .The service helps _4_ to get in touch with children who have run away from home.Young people can phone “Alive and W

43、ell " and leave a messagefor their parents. The telephones are answered by answering machines. So _5_ can speak to the child or make him return home. Parents of runaway children who are _6_ eighteen can ask the police to bring their children home. So children do not want to tell their parents w

44、here they are. Through“Alive and Well " they can telephone their parents and they do not _7_about this or give out their addresses.The Hardens and their helpers _8_ the telephone messages and connect(聯(lián)系)theaddresses given. About 30,000 British teenagers have left home and many of them are proba

45、bly in _9_. For only two pence (便士)they can go into a telephone coin box and call their parents. They can dial 5675339 and _10_ a parent worrying: Is he dead or alive?( )1. A. interesting B. important C. difficult D. exciting ( )2. A. away B. out C. back D. along()3. A. angry B. happy C. sad D. kind

46、()4. A. teachers B. people C. parents D. friends( )5. A. someone B. anyone C. everyone D. no one( )6. A. at B. above C. over D. under()7. A. think B. worry C. talk D. hear()8. A. ask for B. listen to C. look up D. write down()9. A. Pairs B. Tokyo C. London D. New York()10. A. stop B. make C. feel D.

47、 leave keys: 15 BABCD 610 DBDCAHomework:詞匯短語聽寫,下節(jié)課檢查;溫習(xí)本堂課所學(xué)知識;鞏固練習(xí)：一、找出下列單詞中音節(jié)數(shù)量與其他不同的單詞。16. A. supermarket B. computer C. delicious D. battery17. A. and B. across C. air D. act18. A. beauty B. question C. travel D. direction19. A. surprise B. chemical C. wonderful D. newspaper20. A. beginning B. m

48、odern C. pencil D. ago二、單項選擇21. Helen go on the trip with us, but she isn' t quite sure yet.A. shall B. must C. may D. Can22. Johnny, you play with the knife, you hurt yourself.A. won ' t; can ' t B. mustn ' t; may C. shouldn ' t; must D. can ' t; shouldn t.23. -1 think he is

49、 taking an active part in the social work.-1 agree with youA. in a way B. on the way C. by the way D. in the way24. I must off the TV when we don ' t watch it.A. turned B. turns C. turning D. turn25. I back in two weeks.A. come B. came C. has come D. will comeD. past26. The door is locked. Let &

50、#39; s try to get into the room the window.A. through B. across C. passD. tired27. Most people looked after working for a long time.A. tiring B. tire C. tiredly28. A moment, my father came in with some presents.A. ago B. later C. after D. before29. -I speak to Mary? - Speaking.A. Must B. Need C. May

51、 D. Shall30. - Mum, may I watch TV now?-Sure, but you help me with my housework first.A. can B. mayC. could D. must三、閱讀理解。People sometimes like to read stories of dogs very much. They think that dogs are much cleverer than cats, sheep, cows or other animals in their homes.One of my close friends, Bob, has a very large police dog named Jack. Every Sunday afternoon, Bob and Jack have a walk in the park nearby.