unit6whenwasitinvented課文重難點(diǎn)講解

1、Unit6 When was it invented?一、重點(diǎn)短語(yǔ)1. think of 想出2. have a point 有道理3. by accident偶然；意外地4. make tea 制茶5. take place發(fā)生；出現(xiàn)6. without doubt 毫無疑問7. drop into 掉進(jìn)8. advise sb.(not) to do sth勸某人(不)做9. work on從事于10. by mistake 錯(cuò)誤地11. the Olympics奧林匹克運(yùn)動(dòng)會(huì)12. at the same to 同時(shí)13. dream of 夢(mèng)想14.look up to欽佩；仰慕15.

2、 take notes 記筆記16. come up with 想出二、重點(diǎn)句型1. When was the teleph one inven ted?I thi nk it was inven ted in 18762. Who was it invented by ? It was inven ted by Whitcomb Jubs onseem to do sth以乎要做at that time 在那時(shí) fall into落入；掉入 less than少于 around the world 全世界 the nature of的本質(zhì)at a low price 以低價(jià) all of a

3、 sudden 突然；猛然 be similar to 與類似in the end 最后 divide . into.把分開stop. from doing. 阻止做the number of 的數(shù)量encourage sb. to do sth鼓勵(lì)某人做某事 decide on 決定Section A課文精講精析1.1 think the TV was invented before the car. 我認(rèn)為電視機(jī)先于汽車被發(fā)明。 【解析1】：invent v發(fā)明宀inventor n發(fā)明家宀invention n發(fā)明熟記:Edis on , a great,over 1 '00al

4、l his life.(i nvent)練習(xí)： .Paper making is a great (invent) of ancient China. .I think the light bulb is one of the most important (invent) .The car (invent) in 1885.【辨析 2 】：invent/ discover/find/find outinvent發(fā)明發(fā)明的東西是從前沒有的Who invented the steam engine?誰發(fā)明了蒸汽機(jī)？discover發(fā)現(xiàn)發(fā)現(xiàn)的事物是本來存在的或 是有人知道的Columbus dis

5、covered America哥倫布發(fā)現(xiàn)了美洲find找到指尋找的結(jié)果。是非延續(xù)性動(dòng) 詞I am look ing for my bike, but I may not find it. 我正在找我的自行車，可是不一定能找到。find out找出、 查明指經(jīng)過觀察、調(diào)查把某事、某 物查出來，搞清楚，弄明白When he was a child, he liked to find out how things worked.他孩提時(shí)代時(shí)，就愛弄明白各種事物的來龍 去脈。1練習(xí)： Gibertelectricity, but Edis onthe electric light bulb.吉爾貝特發(fā)

6、現(xiàn)了電，而愛迪生發(fā)明了電燈泡。 Bellthe telephone in 1876. ColumbusAmerica in 1492.()A. invent B. discover C. inven tedD. discovered The light bulb is one of the most useful(invent) in the world. .What do you think is the greatest(invent) of the twentieth century? .After hard trai ning for a long time, Liu Xia ngth

7、e records aga in.C. i nven tedD. completedC. seenD. used's life a lot since it.C. is inven tedD. was inven tedA. brokeB. achieved I thi nk the teleph one was invented in 1876.A. createdB. found .The mobile pho ne has in flue need peopleA. inventsB. inven ted【解析3】一般過去時(shí)的被動(dòng)語(yǔ)態(tài)I. 定義：表示過去某一時(shí)間的被動(dòng)動(dòng)作或過去經(jīng)

8、常性、習(xí)慣性的被動(dòng)動(dòng)作，無需說明動(dòng)作執(zhí)行者時(shí)可省去“ by +動(dòng)作執(zhí)行者”。II. 結(jié)構(gòu)：一般過去時(shí)的被動(dòng)語(yǔ)態(tài)：1. 肯定結(jié)構(gòu)：主語(yǔ)+ was / were +及物動(dòng)詞的過去分詞+ by +動(dòng)作執(zhí)行者Eg: The teaching building was built six years ago. 這座教學(xué)樓建于六年前。 練習(xí)：（）Many trees and flowersin our school last year.A. pla ntB. pla ntedC. have pla ntedD. were pla nted注意：was, were的使用由主語(yǔ)的單復(fù)數(shù)形式而定，主語(yǔ)為第三人稱

9、單數(shù)名詞、代詞或I時(shí)用|was,主語(yǔ)為復(fù)數(shù)名詞、代詞they或you時(shí)用|werd。2. 否定形式：主語(yǔ) +was / were + not + 動(dòng)詞的過去分詞Eg: The window was not broken by him. 窗玻璃不是他打碎的。3. 疑問形式：was /were +主語(yǔ)+動(dòng)詞的過去分詞Eg: Was your homework finished in time yesterday evening? 昨天晚上你及時(shí)完成家庭作業(yè)了嗎？ Where were those buses made?那些公共汽車是哪里制造的？注意：一般疑問句通常把 was / were置于主語(yǔ)前

10、。特殊疑問句形式應(yīng)將一般疑問句置于特殊疑問詞后面，反意疑問句形式應(yīng)保留was / were。III. 一般過去時(shí)的被動(dòng)語(yǔ)態(tài)疑問句的回答方法1. 一般疑問句形式肯定回答用“Yes,. was / were.”，否定回答用“ No,. wasn't/ weren't.” ;2. 特殊疑問句應(yīng)抓住特殊疑問詞進(jìn)行回答，可用簡(jiǎn)略方法，也可用完整方法；3. 反意疑問句也應(yīng)用“ Yes, . was / were.” 或“ No,. wasn't/ weren't.”進(jìn)行回答。 Eg: （ 1） Was your office cleaned yesterday aftern

11、oon?你的辦公室昨天下午打掃了嗎?Yes, it was. / No, it wasn't.是的，打掃了。 / 不，沒有打掃。（2） Where was the party held last Sun day?上周日聚會(huì)在哪兒舉行的？At home. / It was held at home.在家里。/ 在家里舉行的。（3） Your debt was paid off at last, wasn 'tit?你所欠的債最終被還清了，是嗎？Yes, it was. / No, it wasn't.是的，被還清了。 /不，沒有被還清。練習(xí)： Last March, ma

12、ny treesalong the streets to make our city more beautiful.A. were pla nted B. were pla ntingC. had pla nted D. pla nted Shenzhou X, China ' s fifth manned spacecraft,into space on June 11.2013A. has sentB. was sentC. will sendD. is sent 一Wow! You have a ticket to the Expo!lt by my uncle. He is w

13、orking in Shanghai.A. has boughtB. had boughtC. is bought D. was bought We are glad to hear that the terrorists _ by the brave policemen several days ago.A. are caughtB. were caughtC. have bee n caught D. are going to be caught .Three bridgesover the river five years ago.A. builtB. buildC. were buil

14、t D. are built2 My pleasure 這是我的榮幸【解析】1. please v取悅 pleasure n愉快 pleased adj.(人)高興的t pleasant adj.(物)令人愉快的Eg： It ' s my(please) to help you. They went to Qingdao and had a(pleasure) trip.2. be pleased to do sth 愉快做某事be pleased with sth 對(duì).滿意Eg： I ' m pleased(meet) you.練習(xí)： .-The documentary A

15、Bite Of China II is quite popular around China recently. How do you like it?A. I think soB. Pretty goodC. It 'smy pleasureD. All right . Why don 'you join an English Ianguage club to practice speaking English?A. It's my pleasure B. Take it easy.I'm sorry about last night. It was my f

16、ault .C. That 'sail rightA. Forget itB. No wayC. Go head一 Can I bring a friend to your birthday party?Sure,A. no problemB. not at allC. my pleasureD. That's a good ideaD. My pleasureD. well done.Thank you for supporting the volunteer project.-. Many hands make light work.C. Never mindD. That

17、's rightA. My pleasureB. All right3. Think about how often it ' used in our daily lives想想看它在我們的日常生活中是多么經(jīng)常被用到【解析】daily adj.日常的；每日的=everyday【拓展】day n.天，日 t daily adj.每日的daily life日常生活There was little cha nge in their(day) lives練習(xí)： .How did you known ews about Green peace, Lisa?Well, I got it f

18、romCh ina Daily.A. a; theB. the;/C. the; the D. an; a4. The pioneers of different inventions were listed there不同發(fā)明的先驅(qū)被歹U在那里?！窘馕觥縧ist n列表；列清單 n名單；清單 make a list of .制作的目錄5. For example, it mentioned that the zipper was invented by , Whitcomb Judson in 1893.例如，它提到拉鏈?zhǔn)腔萏乜颇焚Z德森于1839年發(fā)明的?！窘馕?】：mention ?men

19、?n v提到,說起Don't mention it.沒關(guān)系，別客氣練習(xí)： 一Thank you for taking me around your school,Daming. .A. Don 'mention it B. Never mindC. Of course not D. No problem. 一 Can I have a look at your photos, please? .A. Sure, here you areB.Don ' t mention itC. I can ' t agree with youD. I ' m sorr

20、y to hear that .Your handwriting looks so good. Really?A. Thank you.B. Don't men ti on it.C. No, not good.6. They 're used for.?它們被用來做 【解析】be used for doing=be used to do sth用來做某事【拓展】use的用法：1. use v用，使用t useful adj.有用的練習(xí)： .This is useful book, book is my brother's.A. a; theB. an; theC. a

21、; anD. an; a.Overseas experienee may help make our life _. So why not try to study abroad?A. usual B. usefulC. successfulD. traditi onal2. use up = ran out of 用完，用盡練習(xí)： .The child nearly used up all his pocket money.A. ran out ofB. kept out ofC. got out of.Recycli ng is good, so don'tbottles or n

22、 ewspapers.A. find outB. hand inC. use upD. throw away3. use sth to do sth使用某物做某事4. used to do sth過去常常做某事5. be used to doing sth習(xí)慣于做某事練習(xí)： .Nancya bus to school, but now he rides a bike.A. is used to tak ing B. was used to take C. used to take.My parents getting up early on weekdaysA. used toB. be us

23、ed toC. was used toD. are used to6. be used by +動(dòng)作執(zhí)行者被.使用7. be used as+名詞 被用著 .練習(xí)： .How does Jack usually go to work?Hedrive a car, but now hethere to lose weight.A. used to; is used to walkB. was used to; is used to walk ingC. was used to; is used to walkD. used to; is used to walk ing.Shelive alon

24、e. But shelivi ng alone because she feels Ion ely.A. used to; doesn ' t used to B. is used to; was used toC. used to; is not used toD. was used to; doesn ' t used to6. Did you know that tea, the most popular drink in the world (after water), was invented _by accident? 你知道一世界上(繼水之后)最受歡迎的飲料，是被

25、偶然發(fā)明的嗎？【解析】：by accident=by chance偶然地（位于句尾）練習(xí)： （根據(jù)）an ancient Chin ese lege nd, the emperor Shen Nong discovered tea whe n he wasboiling water over an open fire. Yesterday I met my old friendaccident.D. forA. byB. inC. at .The police found the lost carC. by mistakeD. i n accide ntA. with mistakeB. by

26、 accide nt .The police found the lost carA. with mistakeB. by accide ntC. by mistakeD. in accide ntDale used toto office in his car, but he is used tothe bus now.A. going ; tak ingB. going; takeC. go; tak ing7 Many people believe that tea was first drunk nearly 5,000 years ago 很多人認(rèn)為大約在 5000年前茶第一次被飲用

27、 【辨析】almost/ nearly1. almost"差不多、幾乎”有very, nearly的意思。Eg: He has almost finished his work.他差不多完成了他的工作2. nearly adv."差不多、幾乎、將近”指一差距一般比almost大。Eg: It 'nearly five o 'clock.差不多五點(diǎn)鐘了?！咀⒁狻浚篴lmost有時(shí)可與 nearly通用，但當(dāng)其與 no, none, nothing, never連用時(shí)，不用 nearly。練習(xí)：.一Where shall we eat tonight?Let &

28、#39; s call Harry. Heknows the best places to go.A. onlyB. n earlyC. seldomD. Always .I couldcontrol my feelings at the moment. The song brought back so many childhoodmemories.A. reallyB. hardlyC. nearlyD. Clearly .can you catch what I said? Sorry, I canunderstand itA. almostB. probablyC. n earlyD.

29、hardly .-Do you think yesterday's math problem was difficult?-Yes, I couldwork it out.A. easilyB. hardlyC. fin allyD. nearly8. It is said that a Chinese ruler called Shen Nong first discovered tea as a drink.據(jù)說中國(guó)一位叫作神農(nóng)的統(tǒng)治者是第一個(gè)發(fā)現(xiàn)茶可以作為一種飲料的人。 【解析1】:It is said that.據(jù)說;有人說拓展:“ It is +動(dòng)詞過去分詞+ that從句”

30、句型歸納：It is believed that .人們認(rèn)為 It is known that.眾所周知.It is reported that . 據(jù)報(bào)道 It is supposed that .據(jù)估計(jì)Eg: It is said that people can live to be 120 years old.【解析2】:called=named叫做 a boy called Tom "一個(gè)名叫作湯姆的男孩” 拓展：call the police 報(bào)警1. call sb.=telephone sb. =phone sb. =give sb. a call =ring sb.

31、up 給某人打電話2. call on sb.拜訪某人練習(xí)： .The boy （name） Tom is Mr. Smith 's son.Yaxi, a quiet village in Ganchun,China 'first Slow City "in November 2011.A. n amesB. n amedC. is n amedD. was n amed9.One day Shen Nong was boiling drinking water over an open fire. 一天，神農(nóng)在室外的火堆上燒飲用水?！窘馕?】boil v煮沸；燒開

32、1. boiling adj.沸騰的 boiled adj.煮沸的 練習(xí)：【解析2】練習(xí):(形容水或者其他液體目前正在沸騰的狀態(tài))(形容水或者其他液體曾經(jīng)被煮開過的狀態(tài)) He often drinks two cups ofwater when he comes back.A.boili ngB.boil C.boiled D.boilsover (1)在 上面”over the table在桌子上方 Mrs. King put a coatthe sleeping girl to keep her warm.A.overB.withC.behi ndD.beside”all over th

33、e world 全世界超過 ” =more than over 20 books2. 遍及3. 多余，4. 跨越 ”a bridge over the river5在那邊”over there在那邊練習(xí)：.How far is Yuhua Middle School from here?It ' s around five minutes' walk.A. aboutB. overC. more tha nD. less tha n.There were more than three hun dred people in the park last Sun day.A. ma

34、ny B. over C. above D. Near【拓展】above /over /on表"在之上”的區(qū)別(1) above只表示在上方或位置高出，與below "在的下面”相對(duì)；(2) over指在正上方，與 under相對(duì)；(3) on "在的上面”，表面相互接觸。練習(xí)： There is a bridge the river.A.onB. above.Aga in and aga in the doctorwith her.C. withD. overthe crying baby girl, but he couldn ' t find out

35、 what was wrongB. looked afterC. looked forA. looked over【over構(gòu)成的短語(yǔ)】come over to順便來訪go over 復(fù)習(xí)think over 仔纟田考慮over and over again 一次又一次的all over the world 全世界 get over克服練習(xí)： 一 How many new desks and chairs are there in your school this year? There are over 3,000 . Each of us has one.A. less tha nB. m

36、ostC. more tha nD. looked outD. as many aslO.Some leaves from a tea plant fell into the water and remained there for some time. 茶樹的一些葉子掉進(jìn)了水里，并在那兒停留了一會(huì)兒?！窘馕?】：拓展:練習(xí):fall into 落入fall dow n跌倒fall behind 落后The leaf fell into the river.She fell dow n from her bike.fall in love with sb. 愛上某人fall asleep 入睡

37、 It's not easy for Linda tolast night, because she was too excited.A. go to bed B. fall asleep C. fall into D. fall over一What does the instruction say? The colors in the dress willif you use hot water.A. fall B. appear C. run D. shine【解析2】：remind v保持，仍是(系動(dòng)詞 +adj.)拓展：remind =make sb. remember v 使

38、記住記憶：re+ mindremind1. remind of提醒，使記起2 remind sb. of sth使某人記起某事練習(xí)： Action moviesme of Jackie Chan,A. remi ndB. thi nk C. hear D. Miss The story reminds me _an experie nee I once had.A. ofB. toC. with D. for3. remind sb. to do sth提醒某人去做某事Eg: Don' t worry, I ' ll remind you(get )up early.4 rem

39、ind sb. + that 從句練習(xí)：一Can I smoke in the dining hall? Sorry. It's not.A. promisedB. realized C. allowedD. remin ded.When people mention planes, it will remind the parentstheir daughter on the Malaysian AirlinesPla nes MH370A. withB. forC. inD. of11. It produced a nice smell so he tasted the brown

40、 water anyway.它產(chǎn)生了一種香味， 因此他就嘗了嘗這褐色的水【解析】smell n氣味a terrible smell【記】small (小的)t smell(2) v t smelt tsmelt +adj.聞起來 smell terrible練習(xí)： .How do you like the fish I cooked for you? I haven 'thad it yet. However, itgood.A. smellsB. tastesC. soundsD. feels.Mum, what are you cooking? Itso sweet.A. tast

41、esB. feelsC. sounds D. smells .The bread smellsand it sells.A. well; good B. good; goodC. good; well D. well; well .Mom is cooking dinner. Itso nice.A. smellsB. tastesC. feelsD. sounds12. It was quite delicious. In this way, one ofthe world ' s favorite drinks was invented. 它真的很香，就這樣，世界上最受喜愛的飲料之

42、一被發(fā)明了?！窘馕觥浚簅ne of +名詞/代詞復(fù)數(shù)“之一"練習(xí)： .I hear you have to run for half an hour every day. Right. It is one of thein my school.A. choicesB. pla nsC. hobbiesD. Rules.I hear you have to get up early every morning. Right. It 'sone of theof my family.A. pla nsB. jobsC. programs D. rules【拓展】："on

43、e of + the +adj.最高級(jí)+n復(fù)數(shù)"，做主語(yǔ)，謂語(yǔ)動(dòng)詞用第三人稱單數(shù)形式。One of the most popular colors is red in China.練習(xí)： What do you think of the film you saw yesterday?Oh! It 'sone of films I ' ve ever seen.A. in terest ingB. more in teresti ngC. most in terest ingD. the most in terest ing .Do you know Lin Shuha

44、o?Yes. He is one of basketball players in the NBA.A. popularB. more popularC. the most popular .It's one of thethings in the world to stay with friends.I agree. It always makes us relaxed.A. worstB. happiest C. busiest D. hardest .T is one ofshopping websites in China.A. largeB. largerC. largest

45、D. the largest 一I really like to watch the TV program I Am SINGER. Me too. It ' one of theTV progamms I ve ever seen.A. Least bori ngB. least i nteresti ngC. most bori ng D. Most in terest ing .Mo Yan is one ofwriters in the world.A. famousB.more famous C. most famous D. the most famous .The Yan

46、gzi River is one ofin the world.A. the Ion gest riversB. the Ion gest riverC. Ion ger riversD. Ion ger river .How do you like the book you read yesterday?Oh! It s one ofbooks I ve ever read.A.i nterest ingB. more in terest ingC. most in teresti ngD. the most i nterest ing Beijing is one ofbiggest ci

47、ties in China.A. aB. anC. theD. / .Linda is one of the stude nts in our class.A. goodB. betterC. bestD. the best13t is believed that tea was brought to Korea and Japan during the 6th and 7th centuries. 人們認(rèn)為茶在6世紀(jì)和7世紀(jì)之間被帶到韓國(guó)和日本。in the seve ntee nth cen tury在十七世紀(jì)寫作：in the 1600s、讀作：in the sixtee n hun d

48、reds【注意】：以數(shù)字表達(dá)年代的標(biāo)準(zhǔn)，是在數(shù)字后直接加s【2013江蘇南京】 The Eiffel Tower, a cultural icon of France, was completed at the end of the(nin etee n) cen tury.14. In England, tea didn 'appear until around 1660, but less than 100 years later, it had become the national drink.在英國(guó)，直達(dá)大約1660年才出現(xiàn)了茶，但是不到100年的時(shí)間，它已經(jīng)成為了全名性的飲

49、料?！窘馕?1】notuntil直到 才(謂語(yǔ)動(dòng)詞可用瞬間動(dòng)詞 )【注】強(qiáng)調(diào)動(dòng)作直到 until后的時(shí)間才發(fā)生。 Not通常與首句中的be動(dòng)詞、助動(dòng)詞或情態(tài)動(dòng)詞連用。否定形式表達(dá)的意思是"直至某時(shí)才做某事”。動(dòng)詞為延續(xù)性或非延續(xù)性都可以She didn arrive until 6 o' clock.【2011 邵陽(yáng)】27. We did n't go homethe old man was sent to the hospital.A. un tilB. whe nC. while【2012 廣西欽州】The little girl didnt stop cryin

50、gshe found her mother.A. if【2013湖南長(zhǎng)沙】A. sinceD. whe nA. afterB. un tilC. because【2013 黔東南】43. Jimmy, it ' s time to go to bed.Oh, I won ' t do thatI finish my homework.B. un tilC. afterD. whe nIt' s too late. I have to go now.Oh, it ' s raining outside. Don' t leaveit stops.B. un

51、 tilC. while【2014云南昆明】28. The left-behind kids（留守兒童）can'tsee their parentsthepare nts come back home from work.A. but【2014福州中考】D. ifB. un tilC. or24. Lisa, hurry up ! The bus is coming.Oh, no. Wecross the street un til the traffic lights turn gree nA.mustn'tB.n eed n'tC.should【拓展】until直到

52、.時(shí)（謂語(yǔ)動(dòng)詞只能用延續(xù)性動(dòng)詞 ）【注】肯定形式表示的意思是”做某事直至某時(shí)”，動(dòng)詞必須是延續(xù)性的I slept un til mid ni ght.我一直睡到半夜時(shí)醒了?！竞邶埥锌肌?Usually, we don ' t know how important something iswe lost it.A. orB. un tilC. as soon as【2013 山東臨沂 2】23. Please hold on to your dreamone day it comes true.A. ifB. un tilC. unl essD. though【2013 山東青島 3】

53、13. If you have trouble pronouncing these words, you canrepeat them over and over aga in A. unl ess【2013浙江麗水A. whe n【2013內(nèi)蒙古】A. Un til【2014南京中考】A. Because【2014山東威?！縴ou are comfortable with them.B. ifC. un tilD. while3】一Hey, man. You can ' t cross the street now. You have waitthe traffictur n gre

54、e n.Oh, sorry and tha nk you.B. afterC. un tilD. While_ you told me , I had heard nothing of what happened.B. ThoughC. WhenD. If_ Lin Feng has to work late, she always wears a smile on her face.B. IfC. Un tilD. Though31.We are leav ing tomorrow. We will be awayn ext FridayB.u ntilC.o nD.si nee7.A.fr

55、om【2014 浙江溫州中考】一Excuse me.Is it my turn now?Not yet.Please wait on the chairyour n ame is called.A.a ndB.u ntilC.althoughD.si neeIt is less cold than it was yesterday. 天氣不如昨天那樣冷。9There are not less than 40 stude nts in this class.這個(gè)班級(jí)至少有 40 個(gè)學(xué)生。()Mike plays at least twice a week .A. less tha n B. not less C. no less tha n D. a little【2013 十堰 3】一Many boy students think math isEnglish.I agree. I'm weak in En glish.A. much difficult tha nB. so difficult asC. less difficult tha nD. more difficult tha n【注】less可用在部分雙音節(jié)和多音節(jié)形