人教版九年级英语unit9全单元课件剖析

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1、Unit 9 Unit 9 When was it invented?When was it invented?Catherina Catherina偶然地；意外地偶然地；意外地n.饮料饮料根据；按照；据根据；按照；据所说；所说；视视而定而定adj.古代的；古老的古代的；古老的n.传说；传奇故事传说；传奇故事神农神农n.灌木；灌木丛灌木；灌木丛落入；陷入落入；陷入v.留下；被遗留；剩余；留下；被遗留；剩余；保持不变保持不变by accidentbeverageaccording toancientlegendShen Nongbushfall into remainWords and expr

2、essionsnoticeproducepleasantmixturein this waypieflying disk bakeryBridgeport Connecticutthrowv.注意到；察觉到注意到；察觉到v.生产；制造；产生生产；制造；产生adj.合意的；令人愉快的；合意的；令人愉快的；讨人喜欢的讨人喜欢的n.混合；混合物；混合混合；混合物；混合剂剂这样这样n.馅饼馅饼飞碟；飞盘飞碟；飞盘n.面包店面包店布里奇波特布里奇波特(美国美国)康涅狄格州康涅狄格州v.投；掷投；掷Words and expressionsWords and expressions bulb light

3、bulb microwave microwave ovenn.电灯泡；电灯电灯泡；电灯电灯泡电灯泡n.微波微波微波炉微波炉crispy salty sour by mistake chef sprinkle adj.脆的；易碎的脆的；易碎的adj.咸的；含盐的咸的；含盐的adj.酸的；酸的；酸味的酸味的 错误地错误地n.厨师厨师v.撒（粉末状物）；撒（粉末状物）；洒（液体）洒（液体）Words and expressionsmicrowave ovencalculator Great Inventionspersonal computerklkjuleit blb light bulbmaik

4、rweiv vn1.I think the calculator was invented before the computer.(P68)was invented意为“被发明的”，此结构为一般过去时的被动语态。一般过去时的被动语态的构成为“was/were+及物动词的过去分词”。invent动词，意为“发明”，指发明以前从未存在过的东西。e.g.Do you know who invented the light bulb?拓展：动词（发明），名词（发明）名词（发明家）辨析：invent/discover2.Its used for scooping really cold ice cre

5、am.(P69)be used for sth./doing sth.意为“被用来做某事”，表示用途或目的，相当于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 used byscoop此处用作动词，意为“用勺舀”；用作名词时，意为“勺子”。e.g.Please scoop a scoop of water for me.3.Annoying inventions (P70)annoying形容词，意

6、为“烦人的，令人厌烦的”，其主语是物。e.g.I think the alarm clock is an annoying invention.拓展：annoyed也用作形容词，意为“烦恼的，生气的”，其主语通常是人。常用短语：be annoyed with sb.生某人的气 be annoyed about sth.因某事而升起/烦恼4.Id like to have a radio because I could listen to music all day.(P70)辨析：because,since与ase.g.He failed because he was too careless

7、.Since no one is against it,lets carry out the plan.As he wasnt ready,we went without him.becausebecause表示直接原因，语气最强，常用来回答表示直接原因，语气最强，常用来回答whywhy提出的问句，一提出的问句，一般位于主句后面般位于主句后面 since引导的从句的语气次于because引导的从句，常表示稍加分析后而推断出来的原因，或指人们已知的事实，比as正式，常置于句首 as语气最弱，其原因只是对结果的附带说明，一般放在句首5.salty 咸的，含盐的 （P71）salty形容词，意为“咸

8、的，含盐的”，是由“名词salt+-y”构成的形容词。比较级和最高级分别是：_拓展：在英语中，很多名词后加-y可以构成形容词，如：saltier,saltiestcloudwindrainsleep6.The potato chips were invented by mistake.【经典习题经典习题】完成句子：完成句子：很抱歉我错拿了你的书包。很抱歉我错拿了你的书包。Im sorry that I took your schoolbag _ _.【要点点拨要点点拨】by mistake意为意为“错误地错误地”，常置于句末。常置于句末。by mistake【拓展延伸拓展延伸】mistake作

9、名词时，还可构作名词时，还可构成短语：成短语：make a mistake犯错误。犯错误。mistake还可用作动词，常用于还可用作动词，常用于mistakefor表示表示“把把误认误认为为”。如：。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意为“偶然的，意外的”，同义词组为by chance;反义词组为_注

10、意：by accident主语用作状语，有时也用作表语。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)according to意为“根据；按照”，其中to是介词，后接名词、代词或从句。e.g.T

11、hey divided themselves into three groups according to age.drinking是动名词作定语，修饰water，表示用途，drinking water指用于喝的水。the missing child the sleeping dog the living things 神农氏是传说中的农业和医药的发明者。神农氏是传说中的农业和医药的发明者。他遍尝百草，发现药材，教会人民医治疾他遍尝百草，发现药材，教会人民医治疾病。传说神农一生下来就是个病。传说神农一生下来就是个“水晶肚水晶肚”，几乎是全透明的，五脏六腑全都能看得见，几乎是全透明的，五脏六腑全

12、都能看得见，还能看得见吃进去的东西。那时候，人们还能看得见吃进去的东西。那时候，人们经常因乱吃东西而生病，甚至丧命。神农经常因乱吃东西而生病，甚至丧命。神农为此决心尝遍百草，能食用的放在身体左为此决心尝遍百草，能食用的放在身体左边的袋子里，介绍给别人吃，用作药用；边的袋子里，介绍给别人吃，用作药用；不能够食用的就放在身体的右边袋子里，不能够食用的就放在身体的右边袋子里，提醒人们注意不可以食用。最后，神农因提醒人们注意不可以食用。最后，神农因为尝到剧毒的植物中毒，献出了自己的生为尝到剧毒的植物中毒，献出了自己的生命。命。神农氏神农氏9.The emperor noticed that the l

13、eaves in the water produced a pleasant smell.【经典习题经典习题】用所给动词的适当形式填空：用所给动词的适当形式填空：(1)We noticed Jim _(change)a lot.(2)I noticed that he _(leave)early.【要点点拨要点点拨】notice作及物动词时，意为作及物动词时，意为“注注意到、留心、看到意到、留心、看到”，后面可以直接接，后面可以直接接宾语，还可用于下列结构中：宾语，还可用于下列结构中：changeleftnotice sb.do sth.表示表示“注意某人干了注意某人干了某事某事”，强调动作的

14、过程，强调动作的过程。Did you notice him repair his car yesterday evening?昨晚你注意到他修车了吗昨晚你注意到他修车了吗?notice sb.doing sth.表示表示“注意到某人注意到某人正在干某事正在干某事”，强调动作正在发生。，强调动作正在发生。I noticed her singing in the next room.我注意到她正在隔壁唱歌。我注意到她正在隔壁唱歌。notice+that从句从句I noticed that you werent among the contestants.我注意到你没有参加比赛。我注意到你没有参加比

15、赛。10.The abacus was invented in the sixth century by the Chinese.(P73)in the sixth century意为“在6世纪”，其中century作名词，意为“世纪，百年”。in the+序数词+century表示“在某世纪”。e.g.I think advertising was higly developed in the twentieth century.拓展:in the+年代+of+the+序数词+century 或in+the+年份+s/s 表示“在某世纪某年代”e.g.He was born in the 1

16、990s.=He was born in the nineties of the twentieth century.11.Knocking into players and falling down would be dangerous.(P74)knock用作动词，意为“敲，击，碰撞”。常用短语：knock into “与相撞”knock还可用作名词，意为“敲击，打”。e.g.The car knocked into the tree last night.He got a knock on the head when he fell.Someone is knocking at the

17、door.He knocked down the boy.fall down意为“跌倒，倒下”。e.g.The boy hit the tree so hard that he fell down.拓展：fall off意为“跌落，从掉下来”，后面直接加宾语。其中off是介词，fall off=fall down from e.g.My sister fell off her bike yesterday.=My sister fell down from her bike yesterday.12.Dr Naismith divided the men in his class into t

18、wo teams and taught them how to play his new game.(P74)divide及物动词，意为“分开；分割”.divideinto与separateinto同义，意为“把分成”,此短语可用于被动语态，即 be divided into “被分为”。e.g.He divided the cake among the children.e.g.The students in our class are divided into eight groups.13.Players shoot from below the basket (P74)shoot(sh

19、ot,shot)动词，意为“投篮；射击”。e.g.He shot two goals in the game.辨析：shoot/shoot at shoot shoot指指“击中击中,射中；射死射中；射死”，即击中目标，强调，即击中目标，强调射击的结果射击的结果 shoot at朝某人或某物射击，不强调是否射中，而强调射击的动作14.Since then,the popularity of basketball has risen worldwide,and the number of foreign players in Americas NBA(National Basketball As

20、sociation)has increased.(P74)since then“从那时起”，多用于现在完成时中。popularity名词，“普及，流行”，形容词 popularrise(rose,risen)不及物动词“上升；达到较高水平”。e.g.The temperature has risen to nearly forty degrees.辨析：the number of/a number of“Come”在英语中是十分常用的单词，在英语中是十分常用的单词，在口语中更离不开它。在口语中更离不开它。Come on,让我们让我们一起来看看一起来看看come的用法吧！的用法吧！Easy co

21、me,easy go.Hazlitt易易得得者亦易失。者亦易失。赫斯特赫斯特 上面我们说了句上面我们说了句come on,其实其实come on用在口语中，有很多意义，可以根据语用在口语中，有很多意义，可以根据语境而定。境而定。a.Come on!Dont feel shy!来吧，来吧，别害羞。别害羞。(劝人发言或演讲劝人发言或演讲)b.Come on!Its getting late.快点，快点，天要黑了。天要黑了。(催促他人催促他人)c.Come on!Shouted the boys.加油加油!(用于比赛时，用于比赛时，“加油加油”之意之意)d.Come on!This way,plea

22、se.来！来！请走这边。请走这边。(招呼别人招呼别人)大家还知道大家还知道come on其他的意思吗？其他的意思吗？come on1.跟着来跟着来 Youd better go now,and Ill come on later.你最好现在就去你最好现在就去,我随后就来。我随后就来。2.进展进展 How are things coming on?情况怎么样情况怎么样?3.逐渐开始逐渐开始 Night is coming on.夜幕徐徐降临。夜幕徐徐降临。4.上演上演 This play is coming on again next month.这出戏下月又要上演了。这出戏下月又要上演了。St

23、op worrying about your problem.Youll cross that bridge when you come to it.试着翻译下面的英文，注意单词试着翻译下面的英文，注意单词come的用法。的用法。别担心你的问题了。船别担心你的问题了。船到桥头到桥头自然直。自然直。Languages come easily to some people.语言学习对有些人来说语言学习对有些人来说易如反掌易如反掌。Come again?I didnt quite understand what you said.再说一遍好吗再说一遍好吗？你刚说的话我不明白。？你刚说的话我不明白。I

24、 came up with a good idea to that question.对于那个问题我对于那个问题我想到想到一个好主意。一个好主意。This is where the argument comes in.这就是争议这就是争议所在所在。I hope someone comes by and picks us up.我希望有人我希望有人经过经过然后让我们搭便车。然后让我们搭便车。Bob comes from an old family.鲍勃鲍勃出身于出身于一个古老的家族。一个古老的家族。用单词适当形式填空-invent,slipper,use,heat,help 1.whats a

25、pen -for?2.when was the piano -?3.I think paper is the most -invention.4.what are electric(电)-invented?5.Is this your -ice cream scoop?usedusedinventedinventedhelpfuhelpful lheatedheatedslippersslippers检查词汇1.Edison,the great has _ over 1000 in his life.(发明)2.The flowers gave off a p smell.3.I like t

26、he food that tastes (脆的)4.(根据)to Chinese legend,Shen Nong (发明)tea.5.Many young people dream of(成为)basketball players.6.Potato chips were invented _.(错误地)inventorinventedinventionsleasantcrispy Accordingdiscoveredbecomingby mistake7.We are proud of the ancient Chinese four _(发明)8.He _(撒)lots of salt

27、on them so they were really salty.9.They are used for _(看见)in the dark.10.The world _(分为)into seven continents.11.These trees _(生产)rubber which is important to us.inventionssprinkledseeing is divided produce用所给单词的适当形式填空。用所给单词的适当形式填空。1.What do you think is _ (useful)one of the three?2.This machine _(

28、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 enjoy 根据句意和首字母提示补全单词。根据句意和首字母提示补全单词。1.There were four famous inventions in a_ China.2.T

29、hese 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根据句意和汉语提示补全单词。根据句意和汉语提示补全单词。1.Most green fruits are _(酸的酸的).2.Help yourself to this apple _(馅饼馅饼).3.We call a hundred year

30、s a _(世世 纪纪).4.The students of Class Two had a _(令人愉快的令人愉快的)trip yesterday.5.Did you _(注意到注意到)that Catherines brother was very nervous?sourpiecenturypleasantnotice完成句子。完成句子。1.我在打扫房间时偶然找到了钥匙。我在打扫房间时偶然找到了钥匙。I found the key _ _ when I was cleaning the room.2.只有这样做，我们才能真正地学会一只有这样做，我们才能真正地学会一 些英语歌曲。些英语歌曲

31、。Only _ _ _ can we really learn some English songs.by accidentin this way3.直到直到1610年茶才被带到西方世界。年茶才被带到西方世界。Tea _ _ _the Western world until 1610.4.这个机器是用来烧开水的。这个机器是用来烧开水的。This machine is used for _ _ _.5.我已好久没见我奶奶，我十分想念她。我已好久没见我奶奶，我十分想念她。I havent seen my grandmother _ _ _.I miss her very muchwasnt bro

32、ught todrinking watersome timeforboiling1.Last weekend,Jack _ to a birthday party and he had a lot of fun.(2010吉林长春吉林长春)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 吉林省通化市吉林省通化市)A.was building B.was built C.has built D.

33、is built3.Liu Xiang _ by his coach to train regularly.(2010天津天津)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 江苏省盐城市江苏省盐城市)A.is passed B.passes C.had passed D.was passed5.Susan,why are you still here?They are all re

34、ady to start.Im sorry,but I _ when to leave.(2010 山西省山西省)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（江苏）2.My cousin has been happy because he _ to spend more time with his friends.A.

35、will allow B.will be allowed C.allowed D.was allowed（济南）中考链接中考链接:2011中考再现中考再现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.will held(济南)5.They wont be back until

36、the work _.A.do B.will be done C.does D.is done(太原)根据句意，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 by _.5.I think the most useful invention is the _ oven

37、.6.There are many _(发明发明)in this museum.7.How was the tea _(发明发明)?8.Silk is _(生产生产)in Suzhou and Hangzhou.9.He always makes a lot of _(错误错误)in class.10.There are many yellow _(叶子叶子)on the road.accident,invent,microwave,crispy,pleasantinventedinventedcrispycrispypleasantpleasantaccidentaccidentmicrow

38、avemicrowaveinventionsinventionsinventedinventedproducedproducedmistakesmistakesleavesleaves句型转换句型转换1.People all over the world enjoy surfing.(同义句转换)Surfing _ _ by people all over the world.2.When he was thirty,Tom decided to move to London.(同义句转换）At the _ of thirty,Tom made a _ to move to London.3.

39、Kate took good care of the baby yesterday evening.(改为被动句）The baby _ _ _ _ _ by Kate yesterday evening.4.She was seen to come out of the library by him.(改为主动句)He _ _ _ out of the library.5.The League was founded in Guangzhou in 1922.(对画线部分提问)_ _ _ _ the League _?is enjoyedagedecisionwas taken good ca

40、re ofsaw her comeWhen and where wasfounded6.Did you see the film last night?(改为被动句)_ the film _ by you last night?7.Li Lei gave Tom a new pen last week.(改为被动句)A new pen _ _ _ Tom last week.8.He didnt go to bed before he finished his work.(同义句转换)He _ _ go to bed _ he finished his work.9.They are used

41、 for seeing in the dark.(对画线部分提问)_ are they used _?10.I think the most helpful invention is the light bulb.(对画线部分提问)_ do you think _the most helpful invention?WasWas seenseenwas given was given totodid did notnotuntiuntil lWhatWhat forforWhat What isis11.His father bought a computer for him last mon

42、th.(改为被动句)A computer _ _ for him last month.12.English is widely spoken in the world.(改为主动句)People _ English _ in the world.13.It was invented in 1888.(对画线部分提问)_ was it _?was boughtspeakwidelyWhen invented*(EX.3)(EX.3)按要求完成句子按要求完成句子1.It was invented in old days.(否定句）否定句）2.The movie will be directed

43、by Zhang Yimou.(一般疑问句一般疑问句)3.Our school might be built many years ago.(划线提问划线提问)4.Tea is grown in South China by people.(划线提问划线提问)It wasnt invented in the old days.Will the movie be directed by Zhang Yimou?When might our school be built?By whom is tea grown in South China?*(EX.4)(EX.4)把下列主动语态的句子变为被动

44、语把下列主动语态的句子变为被动语态态 Have a try1.Do you sweep the floor everyday?2.Did people in the old days grow tea?3.We have learned Lesson 60.Is the floor swept everyday?Was tea grown by people in the old days?Lesson 60 has been learned by us.Going on Going on 4.We cant see many of the stars.4.We cant see many o

45、f the stars.5.China has sent up man-made satellites into 5.China has sent up man-made satellites into space.space.6.They will plant the trees tomorrow.6.They will plant the trees tomorrow.Many of the starsMany of the stars cant be seencant be seen by us.by us.Man-made satellitesMan-made satellites h

46、ave been have been sent sent upup into space by China.into space by China.The treesThe trees will be plantedwill be planted tomorrow.tomorrow.7.I see him go to school everyday.7.I see him go to school everyday.8.I heard her singing just now.8.I heard her singing just now.9.Our teacher made us close

47、our eyes in 9.Our teacher made us close our eyes in the game.the game.He He is seen to gois seen to go to school everyday.to school everyday.She She was heard singingwas heard singing just now.just now.We We were made to closewere made to close our eyes in the our eyes in the game.game.Going on Going on