2022秋高中英语 Unit 2 Wildlife Protection Period 1 Listening and Speaking课件 新人教版必修第二册.ppt

1、Unit 2WILDLIFE PROTECTIONPeriod OneListening and Speaking课前自主预习1on earth _2die out _3on average _4under pressure _5make progress _6(be)concerned about _7adapt to _8aware of _究竟 灭绝 平均 在压力下 取得进步 关心；在乎 适应 意识到 9_去打猎10_设计一张海报11_珍稀物种12_谋生13_平均为14_ 采取措施做某事go huntingdesign a posterendangered speciesmake a l

2、iving an average of take measures to do sth.1We must make people aware of the problem and help the endangered wildlife _(在太晚之前)!2Elephants need large living spaces,so its difficult for them _(适应)the changes.【答案】1.before its too late2.to adapt to课堂新知讲练1illegal adj.不合法的；非法的(P14)Stop illegal hunting im

3、mediately.【翻译】立即停止非法狩猎。【用法详解】【归纳拓展】legal adj.合法的；法律的(1)后缀ly变为副词legally adv.合法地(2)前缀il变为反义词illegal adj.不合法的【温馨提示】il是否定前缀，意为“不，非”，如：illogical adj.不合逻辑的针对练习单句语法填空(1)Its illegal _(drive)through a red light.(2)According to the child protection law,it is _(legal)to employ children.【答案】(1)to drive(2)illega

4、l完成句子(3)They were involved in _ _(非法活动)(4)The man owning that car will be fined for _ _(违章停车)【答案】(3)illegal activities(4)illegal parking2immediately adv.立刻Paraphrase:if something happens immediately,it happens without any delay(P14)Stop illegal hunting immediately.【翻译】立即停止非法狩猎。(1)immediately除用作副词，意为

5、“立刻”外，还可用连词，相当于as soon as，表示“一就”。(2)immediate adj.立即的；当前的immediate action立即行动immediate interests眼前利益【用法详解】【归纳拓展】(1)表示“立即，马上”的短语还有：at once；right now；right away；straight away。(2)其他表示“一就”的表达：The moment I closed my eyes,I fell asleep.我闭上眼睛就睡着了。I went home directly I had finished work.我一干完活就回家了。针对练习单句语法填

6、空(1)She was worried about her sick child,so she hurried home _(immediate)after work.(2)I got in touch with him _(immediate)after I received the letter.(3)On _(arrive)in Beijing,I was greeted warmly.【答案】(1)immediately(2)immediately(3)arriving单句改错(4)Youll be very pleased to know that we offered help i

7、mmediate._(5)Ill tell you at the moment I receive his letter._【答案】(4)immediate改为immediately(5)去掉at3mass adj.大量的；广泛的 n大量；堆；群Paraphrase:a large number of something grouped together(P14)This mass extinction is caused by hunting,habitat _,and pollution.【翻译】这种大量的灭绝是由狩猎、栖息地_和污染造成的。【用法详解】【归纳拓展】a mass of/ma

8、sses of“众多，大量”，可修饰可数名词，也可修饰不可数名词，谓语动词的单复数要和of后面名词的单复数形式保持一致。针对练习完成句子(1)It is wrong to ignore the opinions and demands of _ _(群众)单句语法填空(2)Theres _(mass)of work for her to do.(3)There _(be)masses of people in the shops yesterday.【答案】(1)the masses(2)masses(3)were4aware adj.知道；发觉；有意识的Paraphrase:if you a

9、re aware of something,you know about it(P14)We must make people aware of the problem and help_ the endangered wildlife before its too late!【翻译】我们必须让人们意识到这个问题，帮助_濒危野生动物，否则就太晚了！aware adj.知道；发觉；有意识的be/become aware of/that 知道；意识到make sb.aware of/that 使某人意识到【用法详解】【归纳拓展】Peopleshould raise the awareness of

10、 protecting the environment.人们应该提高保护环境的意识。针对练习单句语法填空(1)People should raise the _(aware)of vegetable quality and safety.(2)We became aware _ danger approaching us.完成句子(3)How can we_ _ _ _(让人们意识到)the importance of the problem?【答案】(1)awareness(2)of(3)make people aware of5average n平均数；平均水平adj.平均的；正常的；普通

11、的(P14)How many elephants are killed on average every day?【翻译】平均每天有多少头大象被杀害？【用法详解】The boats remain at sea for an average of ten days at a time.这些船只每次在海上平均航行10天。On average,Americans have more bathrooms than any other people in the world.平均来说，美国人拥有的浴室比世界上其他的人都多。针对练习写出average在句子中的词性和词义(1)Scientists beli

12、eve the worlds average temperature has risen by about 0.8 since 1990._(2)It takes an average of ten weeks for a house sale to be completed._(3)There was nothing special about the meal;it was average._(4)Susans school work is well above average._【答案】(1)adj.平均的(2)n.平均数(3)adj.普通的(4)n.平均水平 单句语法填空(5)_ av

13、erage of two students are absent each day.(6)The prices are a little _ average,but theyre of the highest quality.【答案】(5)An(6)above6adapt vi.适应 vt.使适应；使适合Paraphrase:if you adapt to a new situation or adapt yourself to it,you change your ideas or behavior in order to deal with it successfully(P15)Elep

14、hants need large living spaces,so its difficult for them to adapt to the changes.【翻译】大象需要大的生存空间，因此对它们来说适应变化是困难的。【用法详解】【易混辨析】词汇词性及词义派生词adaptvi.适应；vt.使适应；改编 adaptation n适应；改编adoptvt.采用；采纳；收养adoption n收养；采纳The story was adapted for a TV play.这个故事被改编成电视剧。The film has been adapted from a play of the same

15、 title.该电影改编自一部同名戏剧。针对练习完成句子(1)This play _ _ _(改编自)a novel.(2)Three of her novels _ _ _ _(改编成)television series.【答案】(1)is adapted from(2)have been adapted for单句语法填空(3)John has tried to adapt _ local customs.(4)He is outgoing and has adapted himself to _(live)in the new place.【答案】(3)to(4)living7measu

16、re n措施；方法 vt.测量；度量；估量(P15)What measures are being taken to help them?【翻译】正在采取什么措施来帮助它们？【用法详解】My mother made a suit to my measure.我妈妈按我的尺寸做了一套西装。Our government is trying to take measures to prevent and control pollution.我们的国家正试图采取措施防止和控制污染。针对练习单句语法填空(1)We must take measures _(better)the traffic.(2)It

17、 goes without saying that we should take _(measure)to stop noise pollution.(3)Could you make a dress _ my measure?(4)The desk _(measure)one meter long belongs to me.【答案】(1)to better(2)measures(3)to(4)measuring8pressure n压力；要求Paraphrase:pressure is force that you produce when you press hard on someth

18、ing;if there is pressure on a person,someone is trying to persuade or force him/her to do something(P15)The authorities are under pressure to build elephant parks and tell people not to buy elephant products.【翻译】政府正面临建设大象公园并告诫人们不要购买大象产品的压力。【用法详解】Her health broke down under the pressure of work.在工作的压

19、力之下，她的健康垮掉了。针对练习完成句子(1)The doctor thinks it necessary for you to take pills to control your _ _(血压)(2)We should learn to _ _(减轻压力)in proper ways so that we can better adapt to the competitive society.【答案】(1)blood pressure(2)reduce pressure单句语法填空(3)I am willing to work _ pressure.(4)Extra lessons on

20、Sundays put more pressure _ students,who already have piles of homework to do.【答案】(3)under(4)on9on earth 究竟；到底(P14)What on Earth Are We Doing to Our Planet?【翻译】我们到底在对地球做什么？(1)on earth“究竟，到底”，放在疑问词what，how，why，where，who等之后表示强调，用于询问令人惊讶或生气的事。(2)“在地球上”的表达法：on earth/Earthon the earth/Earth【用法详解】Why on e

21、arth would he want to go to such a place?他到底为什么想去那么个地方？I can understand why astronauts find it difficult to readjust to life on earth.我能够理解为什么宇航员发现重新适应地球上的生活不容易。针对练习完成句子(1)We felt puzzled.What _ _ did they want to do?我们都感到纳闷，他们到底想干什么？(2)He wanted to be the fastest man _ _.他想成为世界上跑得最快的人。【答案】(1)on ear

22、th(2)on earth/Earth10die out 灭亡；逐渐消失(P14)Our planets _ is dying out at an alarming rate.【翻译】我们地球的_正在以惊人的速度消亡。【用法详解】How did the dinosaurs die out?恐龙是如何灭绝的？He is dying to receive a toy as a birthday present.他渴望得到一个玩具作为生日礼物。The firing finally began to die away in the late afternoon.到了临近傍晚时枪炮声终于渐渐停息。针对练

23、习完成句子(1)Many species will soon _ _ if we dont take action.如果我们不采取行动，许多物种将很快灭绝。(2)Millions could _ _ _ as an indirect result of the war.作为战争的间接后果，数百万人可能会死于饥饿。【答案】(1)die out(2)die of hunger单句语法填空(3)This species has nearly died _，because its habitat is being destroyed.(4)She was dying _(talk)to Frank.【

24、答案】(3)out(4)to talk11make progress 取得进步(P14)China has made a lot of progress.【翻译】中国已经取得了很大的进步。(1)make progress取得进步(2)make progress in在方面取得进步(3)make great/rapid/steady progress取得很大的/迅速的/平稳的进步【用法详解】【归纳拓展】progress是不可数名词，不能用a/an修饰，没有复数形式；类似的不可数名词还有advice,furniture,information,equipment,luggage,baggage,f

25、un等。You can make progress only if you are modest.唯虚心乃能进步。针对练习单句改错(1)I have made great progresses with his help._(2)Keep on trying,and you will make a progress._【答案】(1)progresses改为progress(2)去掉a完成句子(3)You can _ _ _ _ your English if you work hard at it.如果你努力学习，你就会在英语方面取得很大进步。【答案】(3)make great progres

26、s in12concerned about 对关切的；为担忧的(P15)Im concerned about the African elephants.【翻译】我很担心非洲象。(1)concerned about意为“对关切的；为担忧的”，其常与be动词连用。(2)concern vt.涉及；让担忧n担心；忧虑；关注；利害关系with concern关切地show concern about/for 对表示担心/关心【用法详解】(3)concerned adj.担心的；关心的；有关的as far as sb./sth.is concerned就而言be concerned with 与有关；

27、涉及(4)concerning prep.关于Everybody is concerned about the future of his country.每个人都关心自己国家的前途。“Dont you feel well,Mom？”he asked with concern.“妈妈，您觉得不舒服吗？”他关心地问。As far as I am concerned,hell be away for three months.据我所知，他将外出三个月。针对练习完成句子(1)_ _ _ _ _(就我而言),reading English newspapers is of great help to

28、our English study.(2)The policeman is questioning the men _ _(和有关)this car accident.【答案】(1)As far as Im concerned(2)concerned with单句语法填空(3)My teacher is looking at me _ concern.(4)Parents are always concerned _ the safety of their children.【答案】(3)with(4)about(P14)We must make people aware of the pro

29、blem and help _ the endangered wildlife before its too late!【翻译】我们必须让人们意识到这个问题，帮助_濒危野生动物，否则就太晚了！【句式剖析】本句结构分析如下：【考点提炼】before引导时间状语从句，意为“在之前，趁着”【归纳拓展】(1)当主句是一般将来时时，从句谓语动词须用一般现在时；当主句是一般过去时或过去完成时时，从句常用一般过去时。(2)before用于Itbe/take时间段before句型在这一句型中又可以根据主从句的时态分成两种情况：若主句是一般时将来时态，从句是一般现在时。若主句是肯定句，翻译成“要过多长时间才”；

30、若主句是否定形式，翻译成“用不了多久就”。若主句是一般过去时，从句也是一般过去时。若主句是肯定句，翻译成“多长时间之后才”，若主句是否定形式，翻译成“没过多久就”。It will be two weeks before everything returns to normal.两周之后一切才能恢复正常。It wont be long before we meet again.用不了多久我们就会再见面的。It was some time before I realized the truth.过了很长一段时间我才了解到真相。It wasnt long before she became a br

31、ave solider.没过多久她就成了一名勇敢的战士。针对练习单句语法填空(1)After that it still took seven years _ they got married.完成句子(2)It _ _ _ _ _ the situation improves.这种状况或许要过许多年才能得以改善。【答案】(1)before(2)will be many years before语音时空单词重音的规则一、双音节词1一般在第一个音节重读。如：letter，sorry等。2有 a，be，de，re，res，in，im，en，em，es，ex，con，com，dis，mis，pre，

32、per，pro，trans等前缀的词，第二个音节是重音。如：about,believe,address,decide,report,respect,inform,impress,employ,escape,concern,compare,discuss,mistake,prepare,endanger,permit，produce,extinct,translate 等。3有 de，in，re，con，pre等前缀的重音与词义和词类有关，一般名词的重音在第一个音节上，其他的词性在第二个音节上(有的读音也有差异)。如：record,record;insult,insult;conduct,con

33、duct;present,present;content,content 等。二、多音节词1多音节词通常重读倒数第三个音节，也就是说，假如这个词只有三个音节，那就应该重读第一个音节，如：accident,Africa,Italy,family,favorite等。如果有四个音节，就要重读第二个音节。如：American,biology,intelligent,opinion,delicious等，以此类推。2双音节词加上前缀或后缀所构成的多音节词，重音一般 在 原 来 词 根 的 重 读 音 节 上。如：exchange,unfriendly,dangerous,requirement,off

34、icer,usually等。3多音节复合名词通常重读第一个音节。如：basketball,goalkeeper,interview,newspaper,sunglasses等。4词尾有tion,sion或ian的多音节词，其重音一般在tion,sion或ian前面的一个音节上。如：application，decision;Italian等。但television例外。三、次重音朗读单词时，按照发每个音时呼出气流的强度，我们通常可把重音分为主重音和次重音两类。所谓主重音，就是我们平常所说的重读音节，可在其左上方标上重音符号“”来表示。而次重音，发音时呼出的气流比主重音稍弱一点，但比非重读音节强得

35、多，我们常在此音节的左下方标“”来表示。一般来说，从重读音节算起的倒数的第三个音节处就是次重音。如：application,information等。追踪练习1写出下列单词的音标(1)direction _(2)outgoing _(3)disagree _(4)primary _(5)understand_(6)important _(7)musician _(8)review _(9)examination _(10)volunteer _2找出画线部分中一个发音不同的选项()(1)A.concentrateBconfidenceCannoyedDtomb()(2)A.economyBre

36、cognizeCdestinationDarchitecture()(3)A.transportBcontactCpackageDpath()(4)A.admireBcreditCflightDsight()(5)A.uniqueBuniversityCburyDrescue【答案】(1)D(2)A(3)D(4)B(5)C【答案】(1)motivation(2)characteristic(3)nationality(4)background(5)possibility;recovery随堂知能小练.单词拼写1Hundreds of tree species face e_.2The pand

37、as natural h_ is the bamboo forest.3 It is difficult to _(测 量)the success of the campaign at this stage.4Turn right i_ after the church.5The disease has spread at an _(惊人的)rate.6He entered the country _(/Iligli/)7That mistake is seriously _(使遭受危险)the future of the company.8Parents spend an_(/vrd/)of

38、$220 a year on toys.9Whales are still being_(捕杀)and killed in the Arctic.10She was _(/knsnd/)that she might miss the turning and get lost.【答案】1.extinction2.habitat3.measure4immediately5.alarming6.illegally7.endangering8average9.hunted10.concerned.单句语法填空1They are still hunting _ the missing girl,who

39、disappeared last Saturday after attending her classmates birthday party.2_(immediate)shed gone,I remembered her name.3 It is high time that we should take some _(measure)to protect endangered animals.4_ average,people who dont smoke are healthier than people who do.5His job is something _(concern)wi

40、th computers.【答案】1.for2.Immediately3.measures4On5.concerned.完成句子1The medical community continues to_ _ in the fight against cancer.医学界在抗癌的斗争中不断取得进步。2What _ _ are you talking about?你们到底在谈论什么呀？3We should learn to _ _ the new way of life.我们应该学会适应新的生活方式。4Women are now _ _ their rights and are prepared to stand up to their employers.女性目前已经认识到了自己的权利，随时准备和她们的雇主抗争。5If these animals and plants _ _，we will never see them again.如果这些动物和植物灭绝，我们将不会再见到它们。【答案】1.make progress2.on earth3.adapt to4aware of5.die out