Unit6全单元课件（135页）.ppt

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1、Unit 6When was it invented?Section A(1a2d).单词填写单词填写1.electricity(n.)_2.style(n.)_3.project(n.)_4.pioneer(n.)_答答案案:1.电电;电电能能2.样样式式;款款式式3.项项目目;工工程程4.先先锋锋;先先驱驱5.list(v.)_6.mention(v.)_7.pleased(adj.)_(n.)高高兴兴;愉快愉快8.day(n.)_(adj.)每日的每日的;日常的日常的答案答案:5.列表列表;列清单列清单6.提到提到;说到说到7.pleasure8.daily.短语翻译短语翻译1.带特殊后

2、跟的鞋子带特殊后跟的鞋子_2.带灯的鞋子带灯的鞋子_3.用电驱动用电驱动_4.日常生活日常生活_5.在那时在那时_6.有道理有道理_答案答案:1.shoes with special heels2.shoes with lights3.run on electricity4.daily life5.at that time6.have a point.情景交际情景交际1._ was the telephone invented?It_ _ _ 1876.2._ _ they used_?They are_ _ seeing in the dark.答案答案:1.When;was invente

3、d in2.What are;for;used for3._ was the zipper invented_?It_ _ by Whitcomb Judson.4._ _ it become popular?Around 1917.答案答案:3.Who;by;was invented4.When did1.I think the TV was invented before the car._2.Think about how often its used in our daily lives._答案答案:1.宾语从句是被动语态结构。是一般过去时。宾语从句是被动语态结构。是一般过去时。2.d

4、ay为为名名词词,意意为为“天天”,daily为为形形容容词词,意意为为“每每日日的的;日日常的常的”。1.pleasure n.高高兴兴;愉快愉快【语语境境领领悟悟】*Can you help me think of an invention?你能帮我想出一种你能帮我想出一种发发明明吗吗?My pleasure.非常非常乐乐意。意。*You can buy him a gift and please him.你可以给他买份礼物让他高兴。你可以给他买份礼物让他高兴。*I will be pleased if I can meet my friends here.如果能在这里遇见朋友我会很高兴。

5、如果能在这里遇见朋友我会很高兴。*We had a pleasant time.我们度过了一段快乐的时光。我们度过了一段快乐的时光。【妙辨异同妙辨异同】please,pleased,pleasant与与pleasure的异同的异同please作作为动词为动词,意意为为“取悦取悦;使高使高兴兴;使使满满意意”pleased作作为为形容形容词词,意意为为“高高兴兴的的”,常用来修常用来修饰饰人人pleasant作作为为形容形容词词,意意为为“愉快的愉快的,快快乐乐的的”,常用来修常用来修饰饰事物事物pleasure作作为为名名词词,意意为为“愉快愉快;高高兴兴”【学以致用学以致用】Its my_(

6、please)to help you.They are_(please)to hear the good news.答案答案:pleasurepleased2.I think the TV was invented before the car.我我认为电视认为电视是在汽是在汽车车之前被之前被发发明的。明的。【句型剖析句型剖析】句句中中宾宾语语从从句句结结构构为为一一般般过过去去时时的的被被动动语语态态。一一般般过过去去时时的被的被动语态动语态的的结结构构为为“was/were+及物及物动词动词的的过过去分去分词词”。*The house was built in 1967.这这所房子是所房子

7、是1967年建的。年建的。*These trees were planted last year.这这些些树树是去年种的。是去年种的。【妙辨异同妙辨异同】invent/discover/find(out)表表“发发明明/发现发现”invent意意为为“发发明明;创创造造”,主要指主要指发发明一种世界上原本明一种世界上原本不存在的不存在的东东西西discover意意为为“发现发现”,指指发现发现一种世界上原本已存在一种世界上原本已存在,后后来才被人来才被人们认识们认识到的到的东东西西find(out)find意意为为“发现发现;找到找到”;find out意意为为“找出找出;发现发现;查查明明”

8、,指通指通过观过观察、察、调查调查而而发现发现事事实实、真相、真相【图图解助解助记记】invent与与discover有何不同有何不同【学以致用学以致用】(2013成都中考成都中考)Do you know who invented the telephone?No.I only know it_in 1876.A.inventedB.was inventedC.invents哥哥伦伦布于布于1492年年发现发现了美洲。了美洲。Columbus_ America in 1492.答案答案:discovered【备选备选要点要点】1.scoop n.勺勺;铲铲子子【语语境境领领悟悟】*It is

9、a hot ice-cream scoop.它是一个加它是一个加热热冰淇淋的勺子。冰淇淋的勺子。*Please scoop a scoop of water for me.请给请给我舀一勺水。我舀一勺水。【自主自主归纳归纳】scoop的用法的用法scoop作作动词时动词时,意意为为“用勺舀用勺舀”,作名作名词时词时,意意为为“勺子勺子”。【学以致用学以致用】请给请给我一勺我一勺汤汤。Please give me a_ _ soup.答案答案:scoop of2.electricity n.电电;电电能能【语语境境领领悟悟】*It runs on electricity.它是它是电动电动的。的。

10、*He bought an electric fan yesterday.他昨天他昨天买买了一台了一台电风电风扇。扇。【妙辨异同妙辨异同】electricity与与electric的异同的异同electricity名名词词,意意为为“电电;电电能能”electric形容形容词词,意意为为“电电的的;带电带电的的;电动电动的的”【学以致用学以致用】The machine is driven by_(electric).答案答案:electricity.用所用所给词给词的适当形式填空的适当形式填空1.The blender is used for_(make)a banana milk shake

11、.2.The car_(invent)in 1885.3.They_(use)animals to do this kind of work in the past.答案答案:1.making2.was invented3.used4.Tom takes no_(please)in his work.5.Electricity is becoming more and more important in our_(day)lives.答案答案:4.pleasure 5.daily.句型转换句型转换1.The TV was invented around 1927.(对画线部分提问对画线部分提问

12、)_ _ the TV_?2.Paper was invented by Cai Lun.(对画线部分提问对画线部分提问)_ _ paper_ _?答案答案:1.When was;invented2.Who was;invented by3.Sunglasses are used for keeping out the sunshine.(对对画画线线部部分提分提问问)_ _ sunglasses_ for?4.They built a bridge over the river last year.(改改为为被被动语态动语态)A bridge_ _ over the river last y

13、ear.5.The book was written by Mo Yan.(改改为为否定句否定句)The book_ _ by Mo Yan.答案答案:3.What are;used4.was built5.wasnt writtenUnit 6When was it invented?Section A(3a4c).单词填写单词填写1.几乎几乎;差不多差不多(adv.)_2.统治者统治者;支配者支配者(n.)_ 3.煮沸煮沸;烧开烧开(v.)_4.保持不变保持不变;剩余剩余(v.)_ 5.气味气味(n.)_答案答案:1.nearly2.ruler3.boil4.remain5.smell6.

14、翻翻译译(v.)_ 7.锁锁上上;锁锁住住(v.)_8.地震地震(n.)_9.突然突然(的的)(adj.)_10.accident(n.)_(adj.)意外的意外的;偶然的偶然的11.nation(n.)_(adj.)国家的国家的;民族的民族的12.music(n.)_(adj.)音音乐乐的的;有音有音乐乐天天赋赋的的答案答案:6.translate7.lock8.earthquake9.sudden10.accidental 11.national12.musical.短短语语互互译译1.偶然偶然;意外地意外地_2.发发生生;出出现现_3.毫无疑毫无疑问问_4.突然突然;猛地猛地_5.fal

15、l into_6.the nature of tea_答案答案:1.by accident2.take place3.without doubt4.all of a sudden5.落入落入6.茶的性质茶的性质.句型填词句型填词1.茶是偶然被发明的。茶是偶然被发明的。Tea_ invented_ _.2.据据说说一一位位中中国国的的统统治治者者神神农农是是第第一一个个发发现现茶茶可可以以作作为为饮饮料料喝喝的人。的人。_ _ _ that a Chinese ruler called Shen Nong was the first_ _ tea as a drink.答案答案:1.was;by

16、 accident2.It is said;to discover3.人人们们相信茶在第六和第七世相信茶在第六和第七世纪纪被被带带到了到了韩韩国和日本。国和日本。_ _ _ that tea_ _ to Korea and Japan during the 6th and 7th centuries.答案答案:It is believed;was broughtThe tea trade from China to Westerncountries took place in the 19th century._答答案案:happen指指“(偶偶然然)发发生生”,而而take place指指“

17、(有有计计划划地地)发生发生”。1.take place发发生生;出出现现【语语境境领领悟悟】*The tea trade from China to Western countries took place in the 19th century.中国和西方国家的茶中国和西方国家的茶贸贸易出易出现现在在19世世纪纪。*Great changes have taken place in our hometown during the past ten years.在过去的在过去的10年里年里,我们家乡发生了巨大的变化。我们家乡发生了巨大的变化。*What happened to you?你发生

18、了什么事你发生了什么事?*I happened to see him on my way home.在我回家的路上我偶然看到了他。在我回家的路上我偶然看到了他。【妙辨异同妙辨异同】take place和和happentake placetake place表示表示“发发生生;举举行行;举办举办”,一般指非偶然一般指非偶然性事件的性事件的“发发生生”,即即这这种事件的种事件的发发生一定有某种原生一定有某种原因或事先的安排因或事先的安排happenhappen作作“发发生生;碰巧碰巧”解解,一般用于偶然或突一般用于偶然或突发发性性事件事件【学以致用学以致用】(2013临临沂沂中中考考)The Ol

19、ympic Games of 2016 will_ in Brazil.A.take after B.take offC.take place D.take away2.It is said that.据据说说【语语境境领领悟悟】*It is said that a Chinese ruler called Shen Nong was the first to discover tea as a drink.据据说说中中国国的的一一个个统统治治者者神神农农是是第第一一个个发发现现茶茶叶叶可可以以作作为为饮饮料料喝喝的人。的人。*It is said that they have won the

20、 game.据据说说他他们赢们赢得了那得了那场场比比赛赛。【自主自主归纳归纳】It is said that.句型句型结结构构 It is said that.相相当当于于People say that.,意意为为“人人们们说说”,属属于于“It+be+过过去去分分词词+that从从句句”结结构构,其其中中it是是形形式式主主语语,真正的主真正的主语语是是that引引导导的从句。的从句。【归纳拓展归纳拓展】It+be+过过去分去分词词+that从句从句(1)It is believed that.人人们认为们认为(2)It is supposed that.据猜据猜测测(3)It is rep

21、orted that.据据报报道道(4)Its known that.众所周知众所周知【学以致用学以致用】据据报报道那个小道那个小偷偷已已经经被抓住了。被抓住了。_ _ _ _ the thief has been caught.众所周知众所周知,中国是世界上人口最多的国家。中国是世界上人口最多的国家。_ _ _ China has the largest population in the world.答案答案:It is reported thatIts known that【备选备选要点要点】1.remain v.保持不保持不变变;剩余剩余【语语境境领领悟悟】*Some leaves f

22、rom a tea plant fell into the water and remained there for some time.茶茶树树的叶子掉的叶子掉进进水里水里,停留了一段停留了一段时间时间。*A few pears remained on the trees.树树上上还还留有几个梨。留有几个梨。*She remained in her office all afternoon.她整个下午都在她整个下午都在办办公室里。公室里。【自主自主归纳归纳】remain的用法的用法(1)remain用作不及物用作不及物动词时动词时,意意为为“剩下剩下;停留停留;逗留逗留”等。等。(2)rem

23、ain用用作作连连系系动动词词时时,意意为为“保保持持;仍仍是是”,后后接接形形容容词词、名名词词、分、分词词或介或介词词短短语语作表作表语语。*The room remains cool all summer.这这个房个房间间整个夏天保持凉爽。整个夏天保持凉爽。*She remained sitting when they came in.他他们进们进来来时时,她仍然坐着。她仍然坐着。【学以致用学以致用】你在那里逗留了多你在那里逗留了多长时间长时间?How long did you_ there?天气已天气已经热经热了好几天了。了好几天了。It has_ _ for several days

24、.答案答案:remain/stayremained hot2.smell n.气味气味 v.发发出出气味气味;闻闻到到【语语境境领领悟悟】*It produced a nice smell so he tasted the brown water.它散它散发发出一种好出一种好闻闻的气味的气味,所以他就品所以他就品尝尝了了这这棕色的茶水。棕色的茶水。*It gives off nice smell.它散它散发发出芳香的气味。出芳香的气味。*The flowers smell good.这这些花儿些花儿闻闻起来很香。起来很香。【自主自主归纳归纳】smell的用法的用法 smell用用作作名名词词,

25、意意为为“气气味味”。smell还还可可用用作作连连系系动动词词,后后面跟形容面跟形容词词作表作表语语,意意为为“闻闻起来起来”。【学以致用学以致用】水水饺闻饺闻起来很香。起来很香。The dumplings_ nice.答案答案:smell【观观察察领领悟悟】观观察察下下列列句句子子,思思考考一一般般过过去去时时的的被被动动语语态态的的用用法。法。The computer was invented in 1976.The computer wasnt invented in 1876.Was the computer invented in 1976?When was the compute

26、r invented?Who was the computer invented by?【知知识识构建构建】一般一般过过去去时时的被的被动语态动语态一、一般一、一般过过去去时时的被的被动语态动语态1.构成构成:主主语语+was/were+及物及物动词动词的的过过去分去分词词。2.各种句式各种句式:肯定句肯定句:主主语语+was/were+及物及物动词动词的的过过去分去分词词+其他。其他。否否定定句句:主主语语+was/were+not+及及物物动动词词的的过过去去分分词词+其其他。他。一一般般疑疑问问句句:Was/Were+主主语语+及及物物动动词词的的过过去去分分词词+其其他他?特殊疑特殊疑

27、问问句句:特殊疑特殊疑问词问词+一般疑一般疑问问句式句式?二、使用被动语态应注意的几个问题二、使用被动语态应注意的几个问题1.不及物动词无被动语态。不及物动词无被动语态。What will happen in 100 years?100年后将会发生什么事年后将会发生什么事?2.有些动词用主动形式表示被动意义。有些动词用主动形式表示被动意义。This pen writes well.这支钢笔好用。这支钢笔好用。This new book sells well.这本新书很畅销。这本新书很畅销。3.感感官官动动词词或或使使役役动动词词使使用用省省略略to的的动动词词不不定定式式,主主动动语语态中不带

28、态中不带to,但变为被动语态时但变为被动语态时,必须加上必须加上to。例如。例如:My mother makes me do housework every day.=I am made to do housework by my mother every day.妈妈每天让我干家务。妈妈每天让我干家务。I saw them play basketball yesterday.=They were seen to play basketball by me yesterday.昨天我看见他们打篮球了。昨天我看见他们打篮球了。4.如如果果是是接接双双宾宾语语的的动动词词改改为为被被动动语语态态时

29、时,直直接接宾宾语语(物物)作作主主语语,那那么么动动词词后后要要用用介介词词,这这个个介介词词是是由由与与其其搭搭配配的的动动词词决定的。决定的。He gave me a book.A book was given to me by him.他给了我一本书。他给了我一本书。He showed me a ticket.A ticket was shown to me by him.他给我看了一张票。他给我看了一张票。My father bought me a new bike.A new bike was bought for me by my father.爸爸为我买了一辆新自行车。爸爸为我

30、买了一辆新自行车。5.一一些些动动词词短短语语用用于于被被动动语语态态时时,动动词词短短语语应应当当被被看看作作一一个整体个整体,而不能丢掉其中的介词或副词。而不能丢掉其中的介词或副词。He listens to the radio every day.The radio is listened to by him every day.他每天听收音机。他每天听收音机。The nurse is taking care of the sick man.The sick man is being taken care of by the nurse.那个护士正在照顾病人。那个护士正在照顾病人。【学以

31、致用学以致用】Why didnt you go to the party?Because I wasnt_(invite).My mother made me do some washing.(改改为为被被动语态动语态)I_ _ _ do some washing by my mother.He was seen dancing on the square.(改改为为一般疑一般疑问问句句)_ he_ dancing on the square?答案答案:invitedwas made toWas;seen那那张张照片是什么照片是什么时时候被候被带带到学校里来的到学校里来的?_ _ the ph

32、oto_ to school?这这首歌是首歌是谁谁写的写的?_ _ the song_ _?答案答案:When was;broughtWho was;written by.用所用所给词给词的适当形式填空的适当形式填空1.He is good at basketball and on the_(nation)team.2.Tea_(discover)by accident thousands of years ago.3.It_(say)that many people have reached the top of the high mountain.4.I didnt think our m

33、eeting was_(accident).5.Did you like the_(music)entertainment?Yes,its wonderful.答案答案:1.national2.was discovered3.is said4.accidental5.musical.单项选择单项选择1.Tea_to the western countries in 1610.A.brings B.broughtC.is brought D.was brought2.Please boil some_water_the guest(客人客人),Peter.A.drink;to B.drink;f

34、orC.drinking;to D.drinking;for3._was it invented?It was invented_accident.A.When;in B.When;by C.How;in D.How;by4.Please_the soup and see if it has enough salt.A.smell B.look C.taste D.look at5.The prices in the shop are very_,so many people go there to buy things.A.expensive B.cheapC.high D.lowUnit

35、6When was it invented?Section B(1a1e).选词选词填空填空crispy,sweet,salty,sour1.I like eating ice-cream.It tastes_.2.The soup isnt_ enough.Lets add some more salt to it.3.Lemons are a kind of_ fruit.4.Potato chips are really_ and salty.答案答案:1.sweet2.salty3.sour4.crispy.句型填句型填词词1.薯片是无意中被薯片是无意中被发发明的。明的。Potato

36、chips_ _ _ _.2.薯片是一个名叫薯片是一个名叫乔乔治治克拉姆的厨克拉姆的厨师发师发明的。明的。Potato chips_ _ _ a chef_ George Crum.3.顾顾客客认为认为土豆不土豆不够够薄。薄。The customer thought the potatoes were not_ _.答案答案:1.were invented by mistake2.were invented by;called3.thin enoughThere is too much salt in the soup.Its too salty._答案答案:salt是名词是名词,在其后在其后

37、+y,变为形容词变为形容词salty,意为意为“咸的咸的”。1.salty adj.咸的咸的【语语境境领领悟悟】*The customer said they were not salty enough.顾顾客客说说它它们们不不够够咸。咸。*You put too much salt in the soup and its too salty.你在你在汤汤里放的里放的盐盐太多太多,它太咸了。它太咸了。【自主自主归纳归纳】salty的用法的用法salty为为形形容容词词,意意为为“咸咸的的,含含盐盐的的”,是是由由“名名词词salt+-y”构构成的形容成的形容词词。【归纳拓展归纳拓展】“名词名词

38、+-y”构成的形容词构成的形容词在在英英语语中中,很很多多名名词词后后加加-y可可以以构构成成形形容容词词。例例如如:cloudcloudy,windwindy,rainrainy,sleepsleepy等。等。【学以致用学以致用】Is the dish_(salt)enough?Yes,it is.Whats the weather like in Shanghai today?Its_(wind).答案答案:saltywindy2.by mistake错误错误地地;无意中无意中【语语境境领领悟悟】*Potato chips were invented by mistake.薯片是无意中被薯

39、片是无意中被发发明的。明的。*Sally deleted an important file by mistake just now.萨萨莉莉刚刚才才误删误删了一份重要的文件。了一份重要的文件。【自主自主归纳归纳】by mistake的用法的用法by mistake意意为为“错错误误地地;无无意意中中”,是是介介词词短短语语,常常在在句句中中作状作状语语。【归纳拓展归纳拓展】由由mistake构成的其他短语构成的其他短语(1)make a mistake/make mistakes意意为为“犯犯错错;出出错错”,是是动动词词短语短语,表示表示“在某方面犯错在某方面犯错”用介词用介词in。I o

40、ften make mistakes in grammar.我常在语法方面出错。我常在语法方面出错。(2)mistake.for.把把错认成错认成I mistook Lily for Lucy yesterday.昨天我错把莉莉当成了露西。昨天我错把莉莉当成了露西。【学以致用学以致用】我我错错拿了你的拿了你的钢钢笔。笔。I took your pen_ _.别别再出再出错错了。了。Dont_ _ any more.答案答案:by mistakemake mistakes3.in the end最后最后【语语境境领领悟悟】*The customer was happy in the end.顾顾

41、客最后很高客最后很高兴兴。*He tried many times,and finally succeeded.他他实验实验多次多次,最后成功了。最后成功了。*At last I obtained my wish.我的愿望我的愿望终终于于实现实现了。了。*In the end,Wang Ping got to the village.最后王萍到达了那个村庄。最后王萍到达了那个村庄。【自主自主归纳归纳】in the end的用法的用法(1)in the end意意为为“最最后后;终终于于”,相相当当于于finally或或at last,在在句句中中作状作状语语。(2)in the end是是一一

42、个个独独立立的的短短语语,不不与与of连连用用,可可放放在在句句末末,也也可可置于句首置于句首,此此时时常用逗号与句子分开。常用逗号与句子分开。【归纳归纳拓展拓展】由由end构成的其他短构成的其他短语语(1)at the end of意意为为“在在终终点点;在在结结束束时时”,后后接接表表示示地地点或点或时间时间的名的名词词。Walk along the street and youll find the hospital at the end of the street.沿沿这这条街往前走条街往前走,在街的尽在街的尽头头你就会找到那家医院。你就会找到那家医院。Well have an Eng

43、lish test at the end of this week.这这个周末我个周末我们们要要举举行一次英行一次英语测试语测试。(2)by the end of意意为为“到到末末为为止止”。This building will be finished by the end of this year.这这座楼将于今年年底竣工。座楼将于今年年底竣工。【学以致用学以致用】他最后他最后终终于回到了家。于回到了家。He got back home_ _ _.答案答案:in the end.选择选择方框内合适的方框内合适的词词填空填空salty,sweet,mistakes,thin,called1.E

44、ating too much_food is bad for your teeth.2.There is a basketball star_Lin Shuhao in the NBA.Many basketball fans like him.3.If you arent careful enough,youll make some_in your homework.4.Dont add salt any more,its so_that we cant eat.5.The ice is too_.Its dangerous to skate on it.答案答案:1.sweet2.call

45、ed3.mistakes4.salty 5.thin.单项选择单项选择1.The girl thought she was not_,so she didnt eat breakfast every day.A.thin enough B.enough thinC.heavy enough D.enough heavy2.Wang Xue has a friend_Lin Yu.A.call B.callingC.called D.to call3.Jenny passed the exam_.A.at the end B.by the endC.in the end D.in the end

46、 of4.I couldnt find my pen anywhere.Dont worry.Maybe someone took it_.A.by mistake B.made a mistakeC.make mistakes D.for mistake5.Who_potato chips_by?By George Crum.A.did;invent B.are;inventedC.was;invented D.were;inventedUnit 6When was it invented?Section B(2a2e).单词单词填写填写1.divide(v.)_2.basket(n.)_3

47、.hero(n.)_4.Canada(n.)_(adj.)加拿大的加拿大的5.popular(adj.)_(n.)受受欢欢迎迎;普及普及6.profession(n.)_(adj.)职业职业的的;专业专业的的答案答案:1.分开分开;分散分散2.篮篮;筐筐3.英雄英雄;男主角男主角4.Canadian5.popularity6.professional.短短语语翻翻译译1.奥林匹克运奥林匹克运动动会会_2.把把分开分开_3.钦钦佩佩;仰慕仰慕_4.同同时时_5.不不仅仅而且而且_ 答案答案:1.the Olympics2.divide.into3.look up to4.at the same

48、time5.not only.but also.句型填词句型填词1.篮球是一个叫詹姆斯篮球是一个叫詹姆斯奈史密斯的加拿大博士发明的。奈史密斯的加拿大博士发明的。Basketball_ _ _ a Canadian doctor_ James Naismith.2.同一个队的运动员必须齐心协力把球送进另一个队的篮筐。同一个队的运动员必须齐心协力把球送进另一个队的篮筐。Players on the same team must work together_ _ the ball_ the other teams basket.答案答案:1.was invented by;named2.to get

49、;in3.篮篮球球不不仅仅已已经经成成为为一一项项非非常常好好玩玩的的运运动动项项目目,而而且且也也变变成成了了一一项项极具极具观赏观赏价价值值的运的运动项动项目。目。Basketball has_ _ become a popular sport_ _,_it has also become a popular sport_ _.4.这这些明星些明星(的成功的成功)激励着年激励着年轻轻人刻苦人刻苦训练训练来来实现实现他他们们的梦想。的梦想。These stars_ young people_ _ hard_ _ their dreams.答案答案:3.not only;to play;but

50、;to watch4.encourage;to work;to achieveThe number of foreign players,including Chinese players,in the NBA has increased._答答案案:the number of意意为为“的的数数量量”,而而a number of意意为为“许多许多”,相当于相当于many和和a lot of或或lots of。1.divide v.分开分开;分散分散【语语境境领领悟悟】*Dr.Naismith divided the men in his class into two teams and tau