滬教版七年級下冊Unit 6 Electricity單詞和語法

1、-作者xxxx-日期xxxx滬教版七年級下冊Unit 6 Electricity單詞和語法【精品文檔】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(yùn)用能力： 1. 學(xué)習(xí)并會靈活運(yùn)用本單元詞匯短語及句型 2. 準(zhǔn)確運(yùn)用本單元語法點：情態(tài)動詞 3. 完型閱讀能力訓(xùn)練方法：練習(xí)歸納Step 1 Homework Checkingl 作業(yè)講評；l 詞匯短語聽寫：單詞得分 短語得分

2、 l 上節(jié)課知識點回顧。Step 2 Warming-upl 經(jīng)典廣告（二）1、IBM公司：沒有不做的小生意，沒有解決不了的大問題。 No business too small, no problem too big.2、三星電子：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. bottom B. reply C. contin

3、ue D. return( ) 2. A. test B. fat C. fridge D. journey( ) 3. A. major B. enjoy C. tidy D. oxygen( ) 4. A. remember B. perfect C. potato D. furniture( ) 5. A. favourite B. harmful C. produce D. airportStep 4 Language LearningUnit Six Electricity單詞歸納n.electricity, conversation, rule, wire, cable, mome

4、nt, battery, cooker, fridge, bulbv.identify, reply, connect, lock, test, tidy, touchadj.foolishpron.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-ty e.g. We use electricity to run machines. 我們使用電力

5、來運(yùn)行機(jī)器。 We need electricity all day long. 我們整天都需要電?！就卣埂?electric adj. 導(dǎo)電的；電動的；電的 electrical adj. 與電有關(guān)的；用電的；電的【典型例題】 ( ) I dont want to live in a village without . A. electric B. electrical C. electricity D. electricities2. 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

6、“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 didnt tell anyone about 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-everythingeveryon

7、e/everybodyeverywhere【典型例題】( ) 1. Im hungry. I want _ to eat. 【中考真題】 A. anything B. something 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. Everything( ) 3. -The story is so amazing! Its the most interesting story Ive e

8、ver read. 【中考真題】 -But Im afraid it wont be liked by_. A. everybody B. somebody C. anybody D. nobody( ) 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

9、, but _, only a little cold.A. serious anything B. nothing seriousC. serious nothing D. anything serious 3. moment n. 瞬間；片刻e.g. Id like to talk to you for a moment. 我想和你談?wù)劇?【拓展】與moment 相關(guān)的短語：a moment ago 剛剛;剛才 at the moment 現(xiàn)在;此刻wait a moment 等一會兒 at the moment 此時此刻 for the moment 暫時 in a moment 過一會

10、兒 at any moment 任何時刻4. battery n. 電池e.g. The chemicals inside batteries produce electricity. 電池里面的化學(xué)物質(zhì)產(chǎn)生電。 【注意】battery 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(jī)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 coo

11、ker now. 一個廚師正在用炊具煮米飯。6. fridge n. 冰箱 （它也稱為 refrigerator） e.g. Help yourself to the food in the fridge. 請隨便吃冰箱里的食物。短語歸納ReadingListening Grammara packet of 一袋in packets 幾包的；成包的look foolish 看上去很傻flow through 流經(jīng)in a way 在某種程度上(be) connected to 連接到power station 發(fā)電站Here you are. 給你。washing machine 洗衣機(jī)ric

12、e cooker 電飯煲think of 想到useto do 用去做play the guitar 彈吉他rode a bicycle 騎自行車play chess 下棋as manyas 和一樣多的be ready to do 準(zhǔn)備好去做take the medicine 吃藥share sth. with sb. 與分享/共用go out alone 獨自外出Speaking Writingswitch off 關(guān)（點燈、機(jī)器等）a light bulb 電燈泡test the water 測試水溫take a bath 沐浴tidy up 收拾妥；整理好air conditioner

13、空調(diào)make rules 制定規(guī)則ask sb. to do sth. 要某人做某事More Practicesafety tips 安全提示turn on 打開（電器類）turn off 關(guān)閉（電器類）at least 至少make sure 確保care about 關(guān)心since then 從那以后more and more 越來越多的be careful with 小心Projectdivideinto 把分成onethe other 一個另一個spendon 花在上面【短語句型重點講解】1. She cant buy electricity in packets like sweet

14、s. 她不能買像糖果一樣包好的電。 【短語】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 a new years gift. 孩子們會得到裝在紅包里的壓歲錢作為新年禮物。【典型例題】 翻譯： 1. 你能幫我買三包鹽嗎？ 2. 我能買到包裝的電。 2. It flows through wires. Its like water, in a way. 它（電）流過電線。在某種程度上，它就像水?！窘馕觥浚?）through 意思是“穿過”，是一個介詞，常常指在物體的

15、內(nèi)部穿過。 e.g. The Changjiang River flows through China. 長江流過中國。Its 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 ones way to 在某人去的路上 in this way 以這種方式； in the way 在路上；擋道3. These are conne

16、cted 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. 我們每天在家里使用很多電器。 【短語】 electri

17、cal 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）怎樣”，此處的形容詞用于修飾sb

18、./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(qiáng)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 plans. 我們必須防止他

19、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. save 2. 我們必須阻止人們伐樹。 3. 我爸爸一直工作到半夜。 【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 books in the library, you must obey the r_.2. Is a_ worried about the English exam?3. You shouldnt

20、 make such a f_ mistake.4. The little boy went to bed. A m_ later, he fell asleep.5. The girl is shy. She cant start a c_ with strangers easily.6. The scientists says we can use wind to produce e_.7. If you cant eat all the meat, you can put it in the f_.8. Dont t_ the hot iron, or it will hurt your

21、 hand.9. My toy car doesnt 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 milk.2. 這條電線與電視機(jī)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。 Dont forget t

22、o _ _ 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 machine be careful with, sharewith,air conditioner, take the medicine switch on, go out alone1. W

23、e should _ the electricity. Its dangerous.2. In hot summer, most families use _ to help them sleep well.3. Will you _ your photos _ me?4. She was ill but she didnt want to _.5. Please _ the computer. I need to type some letters.6. Dont _ at midnight. Its not safe.7. Nobody washes clothes at my home,

24、 but the _ does the work.【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； cant/couldnt (否定)1) 表示能力, 意為“能、會” 如：I can speak a little English.I cant swim.- Can you ride a bike? - Yes, I can. / No, I cant. 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.

25、 You cant stop your car here.- Can I borrow your bike? - Yes, you can. / No, you cant.3) 用于否定句、疑問句中，表示猜測、懷疑或不肯定. 如：Lucy cant be at home now, she went to the park just now. Where can it be? I cant 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(qiáng), 可用于過去，現(xiàn)在。2）be able to 意

26、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, you may not. -Can I borrow your bike? - Yes, you can. / No, you cant.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

27、】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)赡苄缘膽岩伞?三、must; mustnt (否定)1) must (“必須”, 表示命令)， mustnt (“一定不能”, 表示強(qiáng)烈禁止) 如：You must go to bed before 22:00pm. You mustnt play with fire. Its dangerous!-Must I write down the sentences？ -No, you neednt. (-No, you dont have to.) 【技能必備】在回答must的疑問句中，否定回答用

28、neednt或dont have to表示“不必”，不用mustnt2) must 還可以表示非?？隙ǖ牟聹y，意為“一定”如：The girl in a red skirt must be Lucy. 3) must/ have to 的區(qū)別：. must表示必須，強(qiáng)調(diào)主觀上的愿望；have to表示“不得不”，強(qiáng)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 clea

29、n the classroom today.She has to finish her homework first.It was late, he had to 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"。 3、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(qiáng), 可用于過去，現(xiàn)在?！菊n堂練習(xí)】一、單項選擇。( ) 1. Annie is good at singing. She _ sing many Engli

30、sh songs. A. may B. can C. need D. must( ) 2. - _ I sit here? - Sorry, you cant. A. Need B. Must C. May D. Do( ) 3. - Must I get there at 6:30 in the morning? - No, you _. A. mustnt B. neednt C. cant D. dont( ) 4. Everyone _ pick the flowers in the park. Its a rule. A. may not B. mustnt C. neednt D.

31、 can( ) 5. - _ I use your telephone? - Sure. Here you are. A. May B. Must C. Need D. Should( ) 6. Our boss said we _ finish the project before March 1st. Lets hurry. A. must B. need C. may D. can( ) 7. Jack is cleverer than me. He _ know the answer. A. doesnt B. cant C. need D. may( ) 8. - Can I wat

32、ch TV now? - No, you _. Its 10 oclock. You _ go to bed. A. cant, can B. cant, must C. may not, can D. neednt, must( ) 9. Its dangerous to play in the busy streets. So you _ play football there. A. may not B. neednt C. not can D. mustnt( ) 10. Lets take the picture away. Grandpa _ like it. A. cant B.

33、 mustnt C. may not D. neednt二、按要求轉(zhuǎn)換下列句子。1. We can jump 200 times in one minute.（改為否定句）_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

34、 you put the meat to keep it fresh?_4. What must we do when the air conditioner is on?_5. Can we switch the rice cooker on if the pot is empty?_ 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 didnt think it was hard for me. It

35、 was the maths part-my favourite.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 my left 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 problem

36、s. At the end of the 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. Youre 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 ( )

37、 2. A. by B. at C. for D. to ( ) 3. A. was B. had C. were D. have ( ) 4. A. was looking B. looked C. looks D. was looked ( ) 5. A. either B. also C. yet D. too( ) 6. A. answering B. answered C. answer D. answers( ) 7. A. for B. like C. to D. as( ) 8. A. look B. find out C. find D. search( ) 9. A. so

38、me B. no C. not D. any( ) 10. A. other B. another C. the other D. others 完型填空 On Christmas Eve a few days ago, an English couple, the Hardens, got a very special call. It was only a 20-second call but it was very _1_. The Hardens 15-year-old daughter has gone _2_ six months before. On Christmas Eve

39、she rang them. “Im phoning 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 （服務(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 “

40、Alive and Well” and leave a message for 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 par

41、ents where 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）the addresses given. About 30,000 British teenagers have left home and many of them are p

42、robably 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

43、. kind( ) 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

44、B. make C. feel D. leaveHomework: 溫習(xí)本堂課所學(xué)知識； 詞匯短語聽寫 ，下節(jié)課檢查； 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. battery 17. A. and B. across C. air D. act 18. A. beauty B. question C. travel D. direction 19. A. surprise B. chemical C. wonderful D. newspaper 20. A. beginning B.

45、 modern C. pencil D. ago 二、單項選擇21. Helen _ go on the trip with us, but she isnt quite sure yet. A. shall B. must C. may D. Can22. Johnny, you _ play with the knife, you _ hurt yourself. A. wont; cant B. mustnt; may C. shouldnt; must D. cant; shouldnt. 23. -I think he is taking an active part in the

46、social work. -I agree with you _. A. in a way B. on the way C. by the way D. in the way 24. I must _ off the TV when we dont watch it. A. turned B. turns C. turning D. turn 25. I _ back in two weeks. A. come B. came C. has come D. will come 26. The door is locked. Lets try to get into the room _ the window. A. through B. across C. pass D. past 27. Most people looked _