新概念英语第二册Lesson21课件整理.ppt（纯ppt,可能不含音视频素材）

1、Mad or not?Pre-taskPre-task How does the writer feel about aeroplanes?What has made most of his neighbours leave their homes?Why does people think the writer is mad?mad adj.发疯be mad/crazy about:为而疯狂be mad at sbeg:Dont be mad at him。别怪他（不关他的事）。go+adj:变得go mad/crazy/insane/bananasDont fight with him,h

2、e is a mad man.别跟他打架,他是疯子。sum n.量大量：a great many/a great number of+可数名词复数a sum of:一笔a large sum of:大量的，喜欢跟钱连用a large sum of moneya large amount of:许多plenty of（注意：前面没有a）足够的sum名词 n.C1.总数,总和,总计the S(+of)She paid the sum of$200 for dresses.她买衣服总共花了二百元钱。2.【数】和the S(+of)3.金额;一笔(+of)He earned a large sum o

3、f money.他赚了一大笔钱。4.概要;要点the S(+of)5.算术题;运算The boy is good at doing a sum in his head.这男孩善于心算。及物动词 vt.1.计算.的总和(+up)2.总结;概括;概述(+up)The story may be summed up in one sentence.该故事可以用一句话来概括。不及物动词 vi.1.共计(+to/into)9、要学生做的事，教职员躬亲共做；要学生学的知识，教职员躬亲共学；要学生守的规则，教职员躬亲共守。2023-1-112023-1-11Wednesday,January 11,20231

4、0、阅读一切好书如同和过去最杰出的人谈话。2023-1-112023-1-112023-1-111/11/2023 5:08:25 PM11、一个好的教师，是一个懂得心理学和教育学的人。2023-1-112023-1-112023-1-11Jan-2311-Jan-2312、要记住，你不仅是教课的教师，也是学生的教育者，生活的导师和道德的引路人。2023-1-112023-1-112023-1-11Wednesday,January 11,202313、He who seize the right moment,is the right man.谁把握机遇，谁就心想事成。2023-1-1120

5、23-1-112023-1-112023-1-111/11/202314、谁要是自己还没有发展培养和教育好，他就不能发展培养和教育别人。2023年1月11日星期三2023-1-112023-1-112023-1-1115、一年之计，莫如树谷；十年之计，莫如树木；终身之计，莫如树人。2023年1月2023-1-112023-1-112023-1-111/11/202316、提出一个问题往往比解决一个更重要。因为解决问题也许仅是一个数学上或实验上的技能而已，而提出新的问题，却需要有创造性的想像力，而且标志着科学的真正进步。2023-1-112023-1-11January 11,202317、儿童

6、是中心，教育的措施便围绕他们而组织起来。2023-1-112023-1-112023-1-112023-1-112、Our destiny offers not only the cup of despair,but the chalice of opportunity.(Richard Nixon,American President)命运给予我们的不是失望之酒，而是机会之杯。二二一年六月十七日2021年6月17日星期四3、Patience is bitter,but its fruit is sweet.Patience is bitter,but its fruit is sweet.(

7、Jean Jacques Rousseau,French thinker)忍耐是痛苦的，但它的果实是甜蜜的。10:516.17.202110:516.17.202110:5110:51:196.17.202110:516.17.20214、All that you do,do with your might;things done by halves are never done right.All that you do,do with your might;things done by halves are never done right.-R.H.Stoddard,American p

8、oet做一切事都应尽力而为，半途而废永远不行6.17.20216.17.202110:5110:5110:51:1910:51:195、You have to believe in yourself.Thats the secret of success.You have to believe in yourself.Thats the secret of success.-Charles Chaplin人必须相信自己，这是成功的秘诀。-Thursday,June 17,2021June 21Thursday,June 17,20216/17/2021determined adj.determ

9、ined adj.坚定的，下决心的I am determined to stay here.我决定留在这儿。be determined to do sth.决心做某事 v.determine on 决定 v.determine upon 决定determine sb.against sth.使 某人决定不做某事 determine sb.to do sth.使某人决定做某事decide和determine 之间的区别：都有“决定”的意思。decide 指“经过询问、研讨和考虑之后,在几种可能的选择之中作出决定”,decide 最为普通：如:She decided to leave here o

10、n Sunday instead of Monday.她决定星期日而不是星期一离开这里。determine指“决心作某一件事而不动摇”,常涉及范围比较狭小的问题：如:We have determined to get the work done ahead of schedule.我们已经决定要提前完成这项工作。decided常与to,that,on,about用，表示决心；决定；to decide where to go 决心去哪儿而与between,for,angainst,in favor of,that连用，表示判断，判决 The judge will decide the case

11、tomorrow.法官将于明天对案子进行判决。reason ri:zn n.原因for this reason:由于这个原因For what reason?是为了什麽原因？bring sb.to reason 使某人讲理Aeroplanes are slowly driving me madAeroplanes are slowly driving me mad.drive sb mad:逼某人发疯例：Sometimes its enough to drive you mad if you are stuck in a traffic jam during the rush hour.有时在交

12、通高峰期被困足以使人发疯 The noise outside is driving me mad.I live near an airport and passing planes I live near an airport and passing planes can be heard night and day.can be heard night and day.1、passing planes：现在分词做定语 sleeping baby:正在睡觉的小孩 waiting car:正在等待的2、day and night:日日夜夜例句：I will sit by her bedside

13、day and night.我会日夜守在她的床边。T The airport was built years ago,but for some he airport was built years ago,but for some reason it could not be used then.reason it could not be used then.for some reason:由于某种原因some+可数名词单数：某一 some booksome+可数名词复数：一些 some bookssome+不可数名词：一些 some water例句：He was late for scho

14、ol for some reason.由于某种原因，他上学迟到了！He didnt tell me the answer for some reason.由于某种原因，他没有告诉我答案!Last year,however,it came into useLast year,however,it came into use。come into use:投入使用come into:进入得到、获得财富1、They put this method into use。2、This method comes into use。3、This method is put into use。Over a hun

15、dred people must have been driven Over a hundred people must have been driven away from their homes by the noise.away from their homes by the noise.home:家，强调有感情；house仅仅指房子课本：94页Sometimes I think this house will be Sometimes I think this house will be knockedknocked down by a passing planedown by a p

16、assing plane。不及物动词 vi.1.相撞,碰击(+against)His legs knocked against the chair.他的两条腿撞到了椅子。2.敲,击,打(+on/at)He knocked at the door and entered.他敲了敲门便走进去了。3.(发动机等由于故障)发爆震声及物动词 vt.1.敲,击,打OThe falling bottle knocked him on the head.跌落的瓶子砸在他的头上。2.击(撞)成.OO8The blow knocked her senseless.那一击把她打昏了。3.【口】批评,贬损The cr

17、itic knocked her latest novel.词组knock at the door;knock敲门 knock down;knock over撞倒 习惯用语今天我们要讲由knock这个词发展而成的习惯用语。我们先要谈的习惯法是:knockout。Knockout最常用的意思是把一个人打倒在地、不省人事，但是knockout在俚语中却可以解释叫人心醉神迷的人或物，可能是一幅美不胜收的画，也可能是一部扣人心弦的电影，更可能是俊男美女。例：1.He married a real knockout,one of the most beautiful women I have ever

18、seen!他娶了个大美人。我还没见过有比她更漂亮的女人！我们再来学一个习惯用语:knock your socks off。Sock是袜子。这个习惯用语的出典可能是什么特别精彩的事情让你兴奋得上蹦下跳，以至脚上袜子也跳得掉了下来，引申为“令人兴奋不已的好事”。例：2.I tell you that movie I saw last night is fantastic,the best Ive seen in years.Go see it-I guarantee itll knock your socks off!告诉你我昨晚看的那电影棒极了。我有好几年没看过这样精彩的片子。你得去看，保证会让

19、你激动万分。I have been I have been offereoffered a large sum of money to d a large sum of money to go away,but I am determined to stay here.go away,but I am determined to stay here.及物动词 vt.1.给予,提供;拿出,出示O1(+to)He offered me a glass of wine.他端给我一杯酒。2.愿意;试图(做某事);提议Y+to-vThey offered to help me.他们表示愿意帮助我。He

20、offered to lend me some books.他表示要借给我几本书。3.出(价);开(价)O1We offered him the calculator for US$50.这计算器我们向他开价五十美元。动词语态动词语态英语动词有两种语态主动语态：主语是动作的执行者被动语态：主语是动作的承受者Many people speak English.(主动语态)English is spoken by many people.(被动语态)Read the following sentences1.It is called a stamp.2.Whats it made of?3.Whi

21、ch language is spoken by the largest number of people in the world.4.English is used very widely as a foreign language,5.Silk is produced in Suzhou.6.Where are bananas grown?二。模仿上列句子连词成句Silk,produce,in Hangzhou.Cars,make,in Tianjin.tea,grow,in Fujian.English,speak,in Australia.Glass,produce,in Germa

22、ny.Ships,make,in Japan.被动语态构成被动语态构成助动词助动词+及物动词的过去分词及物动词的过去分词 （be+P.P.)以以see为例，比较主动语和态被动语态的结构形为例，比较主动语和态被动语态的结构形式式肯定句，否定句及疑问句如下。Cars are made in Changchun.Cars are not made in Changchun.-Are cars made in Changchun?(-Yes,they are./No,they arent.)Where are cars made?p26 When can we use the passive voic

23、e?不知道动作的执行者是谁，或没有必要指出动不知道动作的执行者是谁，或没有必要指出动 作的执行者时。作的执行者时。My bike was stolen last night.昨晚我的自行车被偷了。Letters are collected at eight every morning.信件每天早晨八点收取。The desk was made by Master Wang.这张课桌是王师傅做的。The bag was taken away by his sister.那个口袋是她姐姐提走的。2.为了强调或突出动作的承受者时。为了强调或突出动作的承受者时。被动语态使用方法被动语态使用方法3.为了更

24、好地安排句子。为了更好地安排句子。The well-known person got on the bus and was immediately recognized by people.（一个主语就够了）那个名人一上车就立刻被大家认出来了。I have a new skirt.It was given to me as a birthday present by my aunt.我有条新裙子。它是我阿姨送给我作为生日礼物的。4.在上下文中，为了使句子间连接紧密时。在上下文中，为了使句子间连接紧密时。如：如：将主动语态的宾语改为被动语态的主将主动语态的宾语改为被动语态的主语。语。将主动语态的

25、谓语动词改为将主动语态的谓语动词改为“be+过去过去分词分词”结构。结构。将主动语态的主语改为介词将主动语态的主语改为介词 by之后的之后的宾语，放在谓语动词之后（有时可省宾语，放在谓语动词之后（有时可省略）。略）。主动语态改为被动语态的方法将下列句子改成被动语态。1.We use English as a foreign language.English is used as a foreign language(by us)2.People write business letters in English Business letters are written(by people)in

26、 English.3.They make telephone calls in English.Telephone calls are made(by them)in English.4.Travelers and business people use English.English is used by travelers and business.5.Farmers grow rice in Zhejiang.Rice is grown by farmers in Zhejiang.过去 时,含情态动词的被动语态A man killed Jack.Han Mei found Granny

27、 books.They built the bridge.Jack was killed(by a man).Granny books were found by Han Mei.The bridge was built.He can answer the question.We must plant trees in spring.Nurse should take care of the children.The question can be answered(by him.)Trees must be planted in spring.Children should be taken

28、 care of.主动语态变为被动语态时注意主动语态变为被动语态时注意含直接宾语和间接宾语的主动语态变为被动语态时有两种情况:Eg He gave the boy an apple.(1)把间接宾语改为主语,直接宾语保留不变:The boy was given an apple (2)把直接宾语改为主语,此时,间接宾语前要 加to或for.An apple was given to the boy.(give,pass,show,send-to )(buy,draw,make,-for )含双宾语的被动含双宾语的被动My father gave me a new book on my birt

29、hday.-A new book was given to me(by my father-I was given a new book(by my father).2.不带的to不定式,改为被动语态时不定 .式前要加to.They watched the children sing.The children were watched to sing.3.短语动词是不可分割的整体,改为被动语态时要保持其完整性,介词或副词不可遗漏.We must take good care of the young trees.Young trees must be taken good care of.4.

30、带复合宾语的动词改为被动语态时,一般把主动语态的宾语改为主语,宾语补足语在被动语态中作主语补足语.He cut his hair short.His hair was cut short.They told him to help me.He was told to help me.5.注意:不及物动词不能用被动语态happen,take place,appearbut不及物动词带上介词或副词构成的短语不及物动词带上介词或副词构成的短语,相当于相当于及物动词及物动词,后面可带宾语后面可带宾语take care of /look after/take off/look at/send for/l

31、ook up Eg The old man should be taken good care of.6主动表示被动情况主动表示被动情况1 某些某些VI 动词表被动含义如动词表被动含义如 carry out/lock open/read/teach/wash/write 用来说明主语性质特征用来说明主语性质特征,常与常与 not/hardly/well/easily/badly/nicely 等连用等连用Meat cuts easily.The car drove easily.His novel sells well 某些感观动词表被动含义如某些感观动词表被动含义如 feel/look/ta

32、ste/smell/sound This shirt feels much softer than that one.This orange tastes nice.3 某些动词表被动含义如某些动词表被动含义如 weigh/measure/cost/last/break out/take place/happen The meeting lasted two hours.4 get/come/go +P.P 表示被动含义表示被动含义 用来强调动作结果或表示出乎意料的偶用来强调动作结果或表示出乎意料的偶然事件然事件.come/go 常与否定连用常与否定连用 They got delayed be

33、cause of the holiday traffic.The womans complaints went unnoticed.5 在在 need/want/require/deserve+doing 句句型中型中,动名词表示被动动名词表示被动.The garden needs watering=The garden needs to be watered.6 有些动词的不定式有些动词的不定式(blame/let/rent 用主动用主动表被动表被动 Nobody was to blame for the accident.The house is to let.7一些介词短语用作定语或表语

34、时表被动一些介词短语用作定语或表语时表被动 The thief was under arrest .Apples are on sale.将下列句子改为被动语态：将下列句子改为被动语态：（一）We often use a recorder in our English class.The parents found the boy in the street.3.We must clean the blackboard.4.I saw her reading a book hours ago.A recorder is often used(by us)in our English class

35、.The boy was found(by the parents)in the streetThe blackboard must be cleaned(by us).She was seen reading a book hours ago.6。Someone has stolen my bike.They are building a house.7.My family will buy a computer next week.My bike has been stolen.A house is being built.A computer will be bought next we

36、ek.（二）I often buy Mother something.My brother gave me a book.We can hear her sing this song.The boys words made us laugh.Mother is often bought something.Something is often bough for Mother.I was given a book.A book was given to me.She can be heard to sing this song.We were made to laugh by the boys

37、 words.4.She should look up the new words in a dictionary.5.The old man put on a hat.The new words should be looked up in a dictionary.A hat was put on.1 The silence of the library _only by the sound of pages being turned over.A has been broken B breaks C broke D was broken Sarah,hurry up,I m afraid

38、 you wont have time to _before the party.A get changed B get change 2 C get changing D get to changeDA3 Rain forests _ and burned at such a speed that they will disappear from the earth in the near future.A cut B are cut C are being cut D had been cut 4 I need one more stamp before my collection _.A

39、 has completed B completes C has been completed D is completed CD5 All the preparations for the task _,and we are ready to start.A completed B had been completed C have been completed D complete 6 Hundreds of jobs _if the factory closes.A lost B will be lost C are lost D will lose CB7 He told us to

40、keep a secret of the things _.A discussing B to discuss C being discussed D having discussed 8 The mayor of Beijing says that all construction work for the Beijing Olympics _by 2006.A has been completed B has completed C will have been completed D will have completed CC9 When first _ to the market,t

41、hese products enjoyed great success.A introducing B introduced C introduce D being introduced 10 More patients _in hospital this year than last year.A treated B have treated C had been treated D have been treated BD11 The new books are of great use.They _well and _already.A sell/have been sold out B

42、 sold/had sold out C sell/sell out D sold/have sold out 12 There are pairs _,but Im at a loss which to buy.A to be chosen B to choose from C chosen D for choosing AB13 Many foreigners think that Chinese is too difficult _.A to learn B learning C to be learned D learned14 The child need _to school and _.A to go/to educate B going/to educate C to go/educating D going/educating 15-Do you like the material?-Yes.it _ very soft.A is feeling B is felt C felt D feels ACD