公开课获奖《U13-We’re-trying-to-save-the-earth课件-2.ppt

1、Lets do this to review the text!Some people like to eat sharks fin soup,especially in _China.But getting the s harks fin is very _.When people catch sharks,they _ _their fins and throw the sharks into the ocean.The shark slowly dies because it cant _ without the fin.And it is also _ to environment.S

2、harks are at the _ of the food chain.If the number of sharks drops too low,it will break the balance of nuture.Please say no to eating the shark fin soup,and take action to save the sharks!southern cruel cut off swim harmful top1.1.听说听说2.2.在中国南方在中国南方3.3.剪掉剪掉4.4.对对有害有害5.5.不再不再6.6.在在 顶部顶部7.7.食物链食物链8.8

3、.的数量的数量9.9.在最近的在最近的2020到到3030年里年里10.10.环境保护环境保护11.11.到目前为止到目前为止 hear of in southern China cut off be harmful to no longer at the top of food chain the number of in the last 20 to 30 years environmental protection so far1.Many people do not realize they are killing a whole shark _they enjoy a bowl of

4、 sharks fin soup.2.Sharks are at the top of the food chain,_if their numbersdrop,the oceans ecosystem will be in danger.Read the passage again and fill in the blanks with the words in the box.sowhen3b3bso althoughif but when Many think that sharks are too strong to be endangered,_ they are wrong._th

5、ere are no scientific studies to support this,a lot of people believe that shark fins are good for health.5.Sharks may disappear one day _ we do not do something to stop the sale of shark fins.butAlthoughIf Will you join us in the discussion?你参加我们的讨论吗？你参加我们的讨论吗？She joined the Young Pioneers.她参加了少先队。

6、她参加了少先队。Why didnt you join in the talk last night?昨晚你为什么没参加座谈？昨晚你为什么没参加座谈？Did you take part in the sports meet?你参加运动会了吗？你参加运动会了吗？1.Have you _ a club?Yes,Im in a swimming club and I often _ the swimming training.A.joined;take part in B.joined;join C.taken part in;join D.taken part in;join in 2.Were g

7、oing for a picnic.Would you like to_ us?Why not?Lets go!A.attend B.join C.join inD.take part in afford是动词，意为是动词，意为“买得起买得起,担负得起，通担负得起，通常与常与can,could,be able to连用连用,多用于否认句中。多用于否认句中。They couldnt afford$50 for a ticket.他们拿不出他们拿不出50美元买一张票。美元买一张票。afford后面常跟带后面常跟带to的动词不定式。的动词不定式。We cant afford to go abroad

8、 this summer.今年夏今年夏天我们没有足够的钱出国。天我们没有足够的钱出国。例句：例句：Miss Taylor never wastes money on anything too expensive,even though she can _to.She has donated much of the money she saved to charities.A.affordB.allow C.remind D.pay cut down,意为意为减少减少；是是“动词动词+副词结副词结构的短语，后面所带的宾语为名词时，宾语构的短语，后面所带的宾语为名词时，宾语可以位于可以位于down

9、的前面或后面；为代词时只的前面或后面；为代词时只能位于能位于down前面。前面。Youd better cut the article down to about 2000 words.cut 后接后接off,into,up,in 的不同：的不同：cut off切断；切除切断；切除cut into把把.切成切成.cut up切碎切碎cut in 插队插队花费花费主语主语表示内容表示内容spend人人宾语可以是钱，精宾语可以是钱，精力，时间等。力，时间等。cost物或事物或事后接后接life，money，health，time等，等，侧重与花费的代价侧重与花费的代价take事或人事或人说明事情完

10、成花费说明事情完成花费了了.辨析：辨析：spend,cost,take,pay花费花费主语主语表示内容表示内容pay人人支付支付 作为及物动作为及物动词，可以是词，可以是 pay sb 或或pay some money；作为不及物动词，作为不及物动词，形式为形式为pay for。for表支付的原因。表支付的原因。辨析：辨析：join,join in 和和take part in tojoin加入组织，团体，党派等，有加入组织，团体，党派等，有作为其中的一个成员的含义作为其中的一个成员的含义;后面也可以加表示人的名词，后面也可以加表示人的名词，表示和某人一起参加某活动表示和某人一起参加某活动jo

11、in in 加入一种具体活动。加入一种具体活动。take aprt in指参加会议或群众性活动等，指参加会议或群众性活动等，着重说明句子主语参加该项活着重说明句子主语参加该项活动并在活动中发挥作用。动并在活动中发挥作用。II.单项选择。单项选择。1.Are you going to _ any of the events?Yes.Maybe long jump and high jump.A.take part inB.joinC.attend D.join in 2.I cant afford _ him an expensive birthday present.A.to buyB.buy

12、ingC.for buyingD.buy 3.Remember to _ the lights when you leave the room.OK.I will.A.turn onB.turn downC.turn upD.turn off 4.The girl always has some money to _ snacks.A.spendB.pay forC.takeD.cost 5.Look!_ boys are playing on the playground.Yes._ them is about 200.A.The number of;A number of B.The nu

13、mber of;The number of C.A number of;the number of D.A number of;A number of III.根据汉语提示完成句子。根据汉语提示完成句子。1.我们必须采取行动来阻止他们。我们必须采取行动来阻止他们。We must _ _ to stop them.2.我从没听说过这个人。我从没听说过这个人。I have never _ _ such a man.3.我们乐意尽力帮你摆脱困境。我们乐意尽力帮你摆脱困境。We are glad to do what we can do _ _ _.4.到目前为止，我已经交了二十个朋友。到目前为止，我

14、已经交了二十个朋友。_ _,I have made twenty friends.5.实际上，她从没去过那儿。实际上，她从没去过那儿。_ _,she has never been there.In fact take actionheard ofto help outSo far1.(2021山东青岛山东青岛)-How much is the ticket to Central Park?-A one-way ticket _$40,and you can _ anther$20 for a round-trip.A.costs,pay B.cost,spend C.pay,spend D.s

15、pends,pay2.The poor old man lived in a little _ hut.A.wood B.woodenly C.woodenness D.woodenAD1.The street _ _ _(充满了充满了)rubbish.2._(litter)causes pollution.3.Factories are putting _ (pollute)water into the river.is full ofLitteringpolluted4.The city _ _(过去过去)be so clean.5.We should play a part in _ (

16、clean)the city up.6.There _ _ _(过去有过去有)so many trees on the hills.used to cleaningused to be change the world think of an invention my pleasure let me think I know such a great invention in our daily lives do seem to have a point think about see a website the pioneers of different inventions be list

17、ed at that time be used widely become popular 拉链是这样一个很棒的创造。拉链是这样一个很棒的创造。The zipper is _ _ _ _.这些创造已经改变了世界。这些创造已经改变了世界。These inventions _ already _ _ _.一些小的创造被广泛的使用。一些小的创造被广泛的使用。Some small inventions _ _ _.搜狐是我经常浏览的网站。搜狐是我经常浏览的网站。Sohu is the _ I often _.你认为你说的有道理吗？你认为你说的有道理吗？Do you think you _ _ _?su

18、ch a great invention havechanged the world are used widelywebsite surf have a pointWhich invention are you familiar with?Talk about it with your partner.10 Most Important Inventions throughout HistoryThe ComputerThe InternetElectricityThe WheelTelephoneThe Light BulbFlightCarPenicillinNuclear Energy

19、1.invent v.创造创造 指经过认识和实践创造出前所未有的事物。指经过认识和实践创造出前所未有的事物。Edison invented the light bulb.爱迪生创造了电灯泡。爱迪生创造了电灯泡。invention和和inventor都是名词都是名词,前者意为前者意为“创创造造,后者意为后者意为“创造家创造家。Language pointsdiscover,invent和和find都是动词都是动词,它们的词义相它们的词义相近近,但是有区别但是有区别:discover意为意为“发现发现,指发现某种本来存指发现某种本来存在在,但以前未被发现或未为人所知的事物或现但以前未被发现或未为人

20、所知的事物或现象。象。The lost bike was discovered at the bus stop.丢了的自行车在公共汽车站那儿找到了。丢了的自行车在公共汽车站那儿找到了。Later I discovered that he was so kind.后来我才发现他那么善良。后来我才发现他那么善良。知识链接知识链接invent 意为意为“创造创造,指创造以前不存在指创造以前不存在的东西。的东西。Do you know who invented the computer?你知道谁创造的电脑吗？你知道谁创造的电脑吗？find 意为意为“找到找到,发现发现,指偶然发现或指偶然发现或几乎没有

21、困难地发现。几乎没有困难地发现。I found some old photos in that drawer.我在那个抽屉里发现了一些旧照片。我在那个抽屉里发现了一些旧照片。1).Edison _ the electric lamp.2).I lost my necklace last night.I havent _ it.3).Who _ America first?inventedfounddiscovered 4).The telephone _ in 1876.A.invented B.was invented C.was found D.was discovered【点拨点拨】句意

22、：句意：是是1876年创造的。年创造的。invent“创造创造，且，且telephone与与invent 之间是动宾之间是动宾关系，应用被动语态。应选关系，应用被动语态。应选B。2.be used for.被用来被用来 是由是由“use sth.for sth./doing sth.结构结构转变而来转变而来,介词介词for在这里表示用途或作用在这里表示用途或作用,后面可以接名词、代词或动词后面可以接名词、代词或动词-ing形式。形式。This machine can be used for cutting grass.这个机器可以被用来割草。这个机器可以被用来割草。be used as意为意为

23、“被用作被用作，被作，被作为为使用使用 English is used as a foreign language in China.be used by意为意为“被被使用使用 Rubbers are often used by students to correct mistakes.知识链接知识链接English is widely used _ many people around the world _ a second language.A.by；for B.by;as C.as；for D.for；as【点拨点拨】句意：英语被世界各地的许多人作句意：英语被世界各地的许多人作为第二语

24、言广泛使用。为第二语言广泛使用。by 意为意为“被；由被；由，用于被动语态中，后跟动作的执行者；，用于被动语态中，后跟动作的执行者；as作介词，意为作介词，意为“当作当作。应选。应选B。used to do sth.意为意为“过去常常做某事过去常常做某事。I used to smoke when I was young.use sth.to do sth.意为意为“使用某物来做某使用某物来做某事事,其被动结构为其被动结构为“sth.be used to do sth.。These knives are used to cut pies.知识链接知识链接Can you help me think

25、 of an invention?My pleasure.My pleasure也可说成也可说成Its a/my pleasure.或或 A pleasure，意思是，意思是“我的我的荣幸；愿为你效劳；这是件愉快的事荣幸；愿为你效劳；这是件愉快的事。Will you please help me take the books to the classroom?请你帮我把这些书带到教室里去好请你帮我把这些书带到教室里去好吗？吗？My pleasure./Its a pleasure.愿为你效劳。愿为你效劳。pleasure n.愉快；快乐愉快；快乐She took no pleasure in

26、her work.她觉得自己的工作毫无乐趣。她觉得自己的工作毫无乐趣。I will remember this meeting with pleasure.我会愉快地记着这次的会晤。我会愉快地记着这次的会晤。It is a pleasure to work with you.和你一起工作真是件乐事。和你一起工作真是件乐事。at(ones)pleasure 随便随便You are free to come and go at your pleasure.来去自由来去自由,悉听尊便。悉听尊便。take pleasure in以某事为乐以某事为乐,喜欢做某事喜欢做某事 with pleasure 愉

27、快地愉快地,快乐地快乐地,没问题没问题知识链接知识链接 4.Well,you do seem to have a point you do seem to have a point 是个强调是个强调句，用句，用“助动词助动词do+谓语动词原形谓语动词原形的结的结构。构。He does look well.他确实看起来气色很好。他确实看起来气色很好。You did give me a fright.你真把我给吓了一跳。你真把我给吓了一跳。have a point 有道理有道理I admit(that)you have a point.我成认你有理。我成认你有理。I guess you have

28、a point there.我想你说的有道理。我想你说的有道理。5.it mentioned that the zipper was mention v.提到；说到提到；说到Dont mention this problem this evening.今晚别提这个问题。今晚别提这个问题。Nobody mentioned the real purpose of this meeting.谁也没有提到这次会议的真正目的。谁也没有提到这次会议的真正目的。1)mention表示表示“提到；提及提到；提及，是及物动，是及物动词，其后接名词或代词作宾语时，无需用词，其后接名词或代词作宾语时，无需用任何介词

29、；另外注意不接双宾语。如：任何介词；另外注意不接双宾语。如：He never mentioned his girl friend to me./He never mentioned to me that he had a girl friend.他从未向我提及他有个女朋友。他从未向我提及他有个女朋友。注注 意意2)假设后接动词，要用动名词，不能用不定假设后接动词，要用动名词，不能用不定式式 Whenever I mention playing football,he says hes too busy.我一提起踢足球，他就说太忙。我一提起踢足球，他就说太忙。3)not to mention意为

30、意为“更不用说更不用说;还不算还不算 He can speak French,German and Japanese,not to mention English.他会说法语，德语和日语，更不用说英语。他会说法语，德语和日语，更不用说英语。4)口语中说口语中说 Dont mention it.主要用来答主要用来答复感谢，有时也用来答复抱歉。如：复感谢，有时也用来答复抱歉。如：A：Thank you very much.多谢你了。多谢你了。B：Dont mention it.不客气。不客气。A：Im sorry to have troubled you.对不起打搅你了。对不起打搅你了。B：Don

31、t mention it.没关系。没关系。1).(2021辽宁大连辽宁大连)-Thank you for taking me around your school,Daming.-_ A.Dont mention it.B.Never mind.C.Of course not.D.No problem.2).-Sorry,Sir.I made a mistake again.-_.Practice more and you will do better.A.Never mind B.Im not sure C.Youre welcome D.Dont mention itAA 根据句意和所给汉

32、语提示根据句意和所给汉语提示,完成以下单词的完成以下单词的确拼写。确拼写。1.Thats the most _(有用的有用的)book.2.It is said that Thomas Edison had 1,093_(创造创造)during his lifetime.3.-What is this kind of machine used for?-Its used for _(听听)to music.4.If you _(加热加热)the ice,it will soon become water.5.Children also need time _(玩耍玩耍).useful inve

33、ntions listening heat to play 句型转换句型转换1.The personal computer was invented in 1976.(对划线局部提问对划线局部提问)_ _ the personal computer _?2.The shoes with lights were invented by Julie Thompson.(对划线局部提问对划线局部提问)_ _ the shoes with lights _ _?WhenwasinventedWhowereinventedby3.Knives are used for cutting things.(对划线对划线局部提问局部提问)_ _ knives _ _?4.A Chinese named Cai Lun invented paper.(改为被动语态改为被动语态)Paper _ _ _ a Chinese named Cai Lun.Whatareused forwasinventedby5.She was interviewed by the local TV station last week.(改为主动语态改为主动语态)The local TV station _ _ _ last week.interviewedher