人教版九年級(jí)英語(yǔ)unit9全單元課件剖析

1、Unit 9 When was it invented? Catherina偶然地；意外地n. 飲料根據(jù)；按照；據(jù)所說(shuō)；視而定adj. 古代的；古老的n. 傳說(shuō)；傳奇故事神農(nóng)n. 灌木；灌木叢落入；陷入v. 留下；被遺留；剩余；保持不變by accidentbeverageaccording toancientlegendShen Nongbushfall into remainWords and expressionsnoticeproducepleasantmixturein this waypieflying disk bakeryBridgeport Connecticutthrowv

2、. 注意到；察覺(jué)到v. 生產(chǎn)；制造；產(chǎn)生adj. 合意的；令人愉快的；討人喜歡的n. 混合；混合物；混合劑這樣n. 餡餅飛碟；飛盤n. 面包店布里奇波特(美國(guó)) 康涅狄格州v. 投；擲Words and expressionsWords and expressions bulb light bulb microwave microwave ovenn. 電燈泡；電燈電燈泡n. 微波微波爐crispy salty sour by mistake chef sprinkle adj. 脆的；易碎的adj. 咸的；含鹽的adj. 酸的； 酸味的 錯(cuò)誤地n. 廚師v. 撒（粉末狀物）；灑（液體）Wor

3、ds and expressionsmicrowave ovencalculator Great Inventionspersonal computerklkjuleit blb light bulbmaikrweiv vn1. I think the calculator was invented before the computer. (P68) was invented意為“被發(fā)明的”，此結(jié)構(gòu)為一般過(guò)去時(shí)的被動(dòng)語(yǔ)態(tài)。一般過(guò)去時(shí)的被動(dòng)語(yǔ)態(tài)的構(gòu)成為“was/were + 及物動(dòng)詞的過(guò)去分詞”。invent動(dòng)詞，意為“發(fā)明”，指發(fā)明以前從未存在過(guò)的東西。 e.g. Do you know w

4、ho invented the light bulb?拓展：動(dòng)詞（發(fā)明）， 名詞（發(fā)明） 名詞（發(fā)明家）辨析：invent/discover2. Its used for scooping really cold ice cream. (P69)be used for sth./doing sth.意為“被用來(lái)做某事”，表示用途或目的，相當(dāng)于be used to do sth. e.g. Wood can be used for building houses. =Wood can be used to build houses.辨析：be used for/be used as/be use

5、d byscoop此處用作動(dòng)詞，意為“用勺舀”；用作名詞時(shí)，意為“勺子”。 e.g. Please scoop a scoop of water for me.3. Annoying inventions (P70) annoying形容詞，意為“煩人的，令人厭煩的”，其主語(yǔ)是物。 e.g. I think the alarm clock is an annoying invention. 拓展：annoyed也用作形容詞，意為“煩惱的，生氣的”，其主語(yǔ)通常是人。常用短語(yǔ)： be annoyed with sb. 生某人的氣 be annoyed about sth. 因某事而升起/煩惱4.I

6、d like to have a radio because I could listen to music all day. (P70)辨析：because, since與ase.g. He failed because he was too careless. Since no one is against it, lets carry out the plan. As he wasnt ready, we went without him.because表示直接原因，語(yǔ)氣最強(qiáng)，常用來(lái)回答why提出的問(wèn)句，一般位于主句后面 since引導(dǎo)的從句的語(yǔ)氣次于because引導(dǎo)的從句，常表示稍加

7、分析后而推斷出來(lái)的原因，或指人們已知的事實(shí)，比as正式，常置于句首 as語(yǔ)氣最弱，其原因只是對(duì)結(jié)果的附帶說(shuō)明，一般放在句首5. salty 咸的，含鹽的 （P71） salty形容詞，意為“咸的，含鹽的”，是由“名詞salt +-y”構(gòu)成的形容詞。比較級(jí)和最高級(jí)分別是：_拓展：在英語(yǔ)中，很多名詞后加-y可以構(gòu)成形容詞，如： saltier, saltiestcloudwindrainsleep6. The potato chips were invented by mistake.【經(jīng)典習(xí)題】完成句子：很抱歉我錯(cuò)拿了你的書包。Im sorry that I took your schoolba

8、g _ _. 【要點(diǎn)點(diǎn)撥】by mistake意為“錯(cuò)誤地”，常置于句末。by mistake【拓展延伸】mistake作名詞時(shí)，還可構(gòu)成短語(yǔ)：make a mistake犯錯(cuò)誤。mistake還可用作動(dòng)詞，常用于mistakefor表示“把誤認(rèn)為”。如：I mistook Kate for her sister when I met her yesterday. 7. Did you know that tea, the most popular drink in the world (after water), was invented by accident? by accident意為

9、“偶然的，意外的”，同義詞組為by chance; 反義詞組為_注意：by accident主語(yǔ)用作狀語(yǔ)，有時(shí)也用作表語(yǔ)。 e.g. I met her by accident in a crowded bus. Our meeting in Paris was by accident.on purpose8. According to an ancient Chinese legend, the emperor Shen Nong discovered tea when he was boiling drinking water over an open fire. (P72)accordi

10、ng to意為“根據(jù)；按照”，其中to是介詞，后接名詞、代詞或從句。 e.g. They divided themselves into three groups according to age.drinking是動(dòng)名詞作定語(yǔ)，修飾water，表示用途，drinking water指用于喝的水。 the missing child the sleeping dog the living things 神農(nóng)氏是傳說(shuō)中的農(nóng)業(yè)和醫(yī)藥的發(fā)明者。他遍嘗百草，發(fā)現(xiàn)藥材，教會(huì)人民醫(yī)治疾病。傳說(shuō)神農(nóng)一生下來(lái)就是個(gè)“水晶肚”，幾乎是全透明的，五臟六腑全都能看得見(jiàn)，還能看得見(jiàn)吃進(jìn)去的東西。那時(shí)候，人們經(jīng)常因亂吃

11、東西而生病，甚至喪命。神農(nóng)為此決心嘗遍百草，能食用的放在身體左邊的袋子里，介紹給別人吃，用作藥用；不能夠食用的就放在身體的右邊袋子里，提醒人們注意不可以食用。最后，神農(nóng)因?yàn)閲L到劇毒的植物中毒，獻(xiàn)出了自己的生命。 神農(nóng)氏9. The emperor noticed that the leaves in the water produced a pleasant smell.【經(jīng)典習(xí)題】用所給動(dòng)詞的適當(dāng)形式填空：(1) We noticed Jim _ (change) a lot. (2) I noticed that he _ (leave) early.【要點(diǎn)點(diǎn)撥】notice作及物動(dòng)詞時(shí)，

12、意為“注意到、留心、看到”，后面可以直接接賓語(yǔ)，還可用于下列結(jié)構(gòu)中：changeleftnotice sb. do sth. 表示“注意某人干了某事”，強(qiáng)調(diào)動(dòng)作的過(guò)程 。Did you notice him repair his car yesterday evening? 昨晚你注意到他修車了嗎?notice sb. doing sth. 表示“注意到某人正在干某事”，強(qiáng)調(diào)動(dòng)作正在發(fā)生。I noticed her singing in the next room.我注意到她正在隔壁唱歌。notice + that從句I noticed that you werent among the co

13、ntestants. 我注意到你沒(méi)有參加比賽。10.The abacus was invented in the sixth century by the Chinese. (P73) in the sixth century意為“在6世紀(jì)”，其中century作名詞，意為“世紀(jì)，百年”。in the + 序數(shù)詞 + century表示“在某世紀(jì)”。e.g. I think advertising was higly developed in the twentieth century. 拓展:in the + 年代+ of + the+序數(shù)詞 + century 或in + the + 年份

14、 + s/s 表示“在某世紀(jì)某年代”e.g. He was born in the 1990s. =He was born in the nineties of the twentieth century.11. Knocking into players and falling down would be dangerous. (P74)knock用作動(dòng)詞，意為“敲，擊，碰撞”。常用短語(yǔ)：knock into “與相撞” knock還可用作名詞，意為“敲擊，打”。 e.g. The car knocked into the tree last night. He got a knock on

15、 the head when he fell. Someone is knocking at the door. He knocked down the boy.fall down意為“跌倒，倒下”。 e.g. The boy hit the tree so hard that he fell down.拓展：fall off意為“跌落，從掉下來(lái)”，后面直接加賓語(yǔ)。其中off是介詞， fall off = fall down from e.g. My sister fell off her bike yesterday. = My sister fell down from her bike

16、yesterday.12. Dr Naismith divided the men in his class into two teams and taught them how to play his new game. (P74) divide及物動(dòng)詞，意為“分開；分割”. divideinto與separateinto同義，意為“把分成”,此短語(yǔ)可用于被動(dòng)語(yǔ)態(tài)，即 be divided into “被分為”。 e.g. He divided the cake among the children. e.g.The students in our class are divided int

17、o eight groups.13. Players shoot from below the basket (P74)shoot(shot, shot)動(dòng)詞，意為“投籃；射擊”。 e.g. He shot two goals in the game. 辨析：shoot/shoot at shoot指“擊中,射中；射死”，即擊中目標(biāo)，強(qiáng)調(diào)射擊的結(jié)果 shoot at朝某人或某物射擊，不強(qiáng)調(diào)是否射中，而強(qiáng)調(diào)射擊的動(dòng)作14. Since then, the popularity of basketball has risen worldwide, and the number of foreign

18、 players in Americas NBA(National Basketball Association) has increased. (P74)since then“從那時(shí)起”，多用于現(xiàn)在完成時(shí)中。popularity名詞，“普及，流行”， 形容詞 popularrise(rose, risen)不及物動(dòng)詞“上升；達(dá)到較高水平”。e.g. The temperature has risen to nearly forty degrees.辨析：the number of/a number of“Come”在英語(yǔ)中是十分常用的單詞，在口語(yǔ)中更離不開它。Come on, 讓我們一起來(lái)看

19、看come的用法吧！Easy come, easy go. Hazlitt易得者亦易失。赫斯特 上面我們說(shuō)了句comeon, 其實(shí)comeon用在口語(yǔ)中，有很多意義，可以根據(jù)語(yǔ)境而定。a. Comeon! Dontfeelshy! 來(lái)吧，別害羞。 (勸人發(fā)言或演講) b. Comeon! Itsgettinglate. 快點(diǎn)，天要黑了。(催促他人)c. Comeon! Shoutedtheboys. 加油! (用于比賽時(shí)，“加油”之意) d. Comeon! Thisway, please. 來(lái)！請(qǐng)走這邊。(招呼別人) 大家還知道comeon其他的意思嗎？come on1. 跟著來(lái) Youd

20、better go now, and Ill come on later. 你最好現(xiàn)在就去,我隨后就來(lái)。 2. 進(jìn)展 How are things coming on? 情況怎么樣? 3. 逐漸開始 Night is coming on. 夜幕徐徐降臨。 4. 上演 This play is coming on again next month. 這出戲下月又要上演了。 Stop worrying about your problem. Youll cross that bridge when you come to it. 試著翻譯下面的英文，注意單詞come的用法。別擔(dān)心你的問(wèn)題了。船到橋

21、頭自然直。Languages come easily to some people. 語(yǔ)言學(xué)習(xí)對(duì)有些人來(lái)說(shuō)易如反掌。Come again? I didnt quite understand what you said. 再說(shuō)一遍好嗎？你剛說(shuō)的話我不明白。I came up with a good idea to that question. 對(duì)于那個(gè)問(wèn)題我想到一個(gè)好主意。This is where the argument comes in. 這就是爭(zhēng)議所在。I hope someone comes by and picks us up. 我希望有人經(jīng)過(guò)然后讓我們搭便車。Bob comes f

22、rom an old family. 鮑勃出身于一個(gè)古老的家族。用單詞適當(dāng)形式填空-invent, slipper, use, heat, help1. whats a pen - for?2. when was the piano - ?3. I think paper is the most - invention.4. what are electric (電) - invented?5. Is this your - ice cream scoop?usedinventedhelpfulheatedslippers檢查詞匯1.Edison,the great has _ over 10

23、00 in his life.(發(fā)明)2.The flowers gave off a p smell.3. I like the food that tastes (脆的)4. (根據(jù)) to Chinese legend, Shen Nong (發(fā)明) tea.5.Many young people dream of (成為) basketball players.6.Potato chips were invented _. (錯(cuò)誤地) inventorinventedinventionsleasantcrispy Accordingdiscoveredbecomingby mistak

24、e7.We are proud of the ancient Chinese four _ (發(fā)明)8. He _ (撒) lots of salt on them so they were really salty.9. They are used for _ (看見(jiàn)) in the dark.10. The world _ (分為) into seven continents .11. These trees _ (生產(chǎn)) rubber which is important to us. inventionssprinkledseeing is divided produce用所給單詞的適

25、當(dāng)形式填空。 What do you think is _ (useful) one of the three?2. This machine _ (use) to make noodles.3. I think the computer is a great _ (invent).4. Computers can be used for _ (study) English.5. A TV set gives people more opportunities _ (enjoy) themselves.the most usefulis usedinventionstudyingto enjo

26、y 根據(jù)句意和首字母提示補(bǔ)全單詞。 There were four famous inventions in a_ China.2. These cars were p_ by the same company.3. Dont t_ stones at the birds.4. Few pears r_ on the trees after the heavy rain.5. I dont like the t_ of the meat.ncientroducedhrowemainedaste根據(jù)句意和漢語(yǔ)提示補(bǔ)全單詞。1. Most green fruits are _ (酸的). 2. H

27、elp yourself to this apple _ (餡餅).3. We call a hundred years a _ (世 紀(jì)).4. The students of Class Two had a _ (令人愉快的) trip yesterday.5. Did you _ (注意到) that Catherines brother was very nervous?sourpiecenturypleasantnotice完成句子。1. 我在打掃房間時(shí)偶然找到了鑰匙。 I found the key _ _ when I was cleaning the room. 2. 只有這樣

28、做，我們才能真正地學(xué)會(huì)一 些英語(yǔ)歌曲。 Only _ _ _ can we really learn some English songs.by accidentin this way3. 直到1610年茶才被帶到西方世界。 Tea _ _ _the Western world until 1610.4. 這個(gè)機(jī)器是用來(lái)燒開水的。 This machine is used for _ _ _.5. 我已好久沒(méi)見(jiàn)我奶奶，我十分想念她。 I havent seen my grandmother _ _ _. I miss her very muchwasnt brought todrinking

29、watersome timeforboiling1. Last weekend, Jack _ to a birthday party and he had a lot of fun. (2010吉林長(zhǎng)春) A. invite B. was invited C. invited D. is invited2. Look, what an old palace! It looks so great! Yeah, it _ nearly 800 years ago. (2010 吉林省通化市) A. was building B. was built C. has built D. is buil

30、t3. Liu Xiang _ by his coach to train regularly. (2010天津) A. advised B. advises C. was advised D. be advised4. Last month a new law _ in China to stop people from smoking in public places. (2010 江蘇省鹽城市) A. is passed B. passes C. had passed D. was passed5. Susan, why are you still here? They are all

31、ready to start. Im sorry, but I _ when to leave. (2010 山西省) A. dont tell B. didnt well C. wasnt told1.Tom，you shouldnt put off todays work tomorrow. I mean todays work today. A . must be done B . must done C . may be done D . may done （江蘇）2. My cousin has been happy because he _ to spend more time w

32、ith his friends. A . will allow B . will be allowed C . allowed D . was allowed（濟(jì)南） 中考鏈接: 2011中考再現(xiàn)3. The letter_ French . I cant read it. A . wrote in B. is written in C . wrote on D . was written in (河南)4.The 30th Olympic Games _ in London in 2012. A . has been held B . has held C . will be held D

33、. will held (濟(jì)南)5.They wont be back until the work _. A. do B. will be done C. does D. is done (太原)根據(jù)句意，填空。1.The abacus was _ by Chinese people .2.Li Lei likes _ cookies because they are hard , dry and easily broken .3.The meat produced a _ smell .4.The most popular drink in the world was invented b

34、y _.5.I think the most useful invention is the _ oven .6.There are many _(發(fā)明) in this museum.7.How was the tea _(發(fā)明)?8.Silk is _(生產(chǎn)) in Suzhou and Hangzhou .9.He always makes a lot of _(錯(cuò)誤) in class .10.There are many yellow _(葉子) on the road .accident, invent, microwave, crispy, pleasantinventedcri

35、spypleasantaccidentmicrowaveinventionsinventedproducedmistakesleaves句型轉(zhuǎn)換1.People all over the world enjoy surfing .(同義句轉(zhuǎn)換) Surfing _ _ by people all over the world.2.When he was thirty , Tom decided to move to London .(同義句轉(zhuǎn)換） At the _ of thirty , Tom made a _ to move to London .3.Kate took good care

36、 of the baby yesterday evening .(改為被動(dòng)句） The baby _ _ _ _ _ by Kate yesterday evening .4.She was seen to come out of the library by him .(改為主動(dòng)句) He _ _ _ out of the library .5.The League was founded in Guangzhou in 1922 .(對(duì)畫線部分提問(wèn)) _ _ _ _ the League _ ?is enjoyedagedecisionwas taken good care ofsaw h

37、er comeWhen and where wasfounded6.Did you see the film last night ?(改為被動(dòng)句) _ the film _ by you last night ?7.Li Lei gave Tom a new pen last week .(改為被動(dòng)句) A new pen _ _ _ Tom last week .8.He didnt go to bed before he finished his work .(同義句轉(zhuǎn)換) He _ _ go to bed _ he finished his work .9.They are used for seeing in the dark .(對(duì)畫線部分提問(wèn)) _ are they used _ ?10.I think the most helpful invention is the light bulb .(對(duì)畫線部分提問(wèn)) _ do you think _the most helpful invention ?Was seenwas given todid notuntilWhat forWhat is11.His father bought a computer for him last month .(改為被動(dòng)句) A computer _ _ for him la