人教版 (2019)选择性必修 第三册Unit 3 Environmental Protection集体备课ppt课件

这是一份人教版 (2019)选择性必修 第三册Unit 3 Environmental Protection集体备课ppt课件，共60页。PPT课件主要包含了词 汇 认 知，语 法 图 解，直接引语和间接引语 ，词 汇 精 讲，句 型 剖 析，语 法 精 析，即 学 即 练等内容，欢迎下载使用。

重点单词1.　basin　 n.流域;盆地;盆 2.　underg　 vt.经历;经受(变化、不快等) 3.　implement　 vt.使生效;贯彻;执行 4.　mderate　 adj.适度的;中等的;温和的　 vi.& vt.缓和;使适中 5.　trpical　 adj.热带的;来自热带的 6.　nuclear　 adj. 原子能的;核能的;原子核的 7.　jungle　 n.(热带)丛林;密林 
词汇拓展1.refrm vi.& vt.改革;(使)改正;改造　n.改革;变革;改良→　refrmer　 n.改革者;改良者 2.harmnius adj.和谐的→　harmny　 n.和谐;协调;和睦;和声→　harmniusly　 adv.融洽地;和谐地 3.submit vt.& vi.提交;呈递;屈服→　submissin　 n.提交;屈服→　submissive　 adj.顺从的;听话的 
4.annual adj.每年的;一年的　n.年刊;年鉴→　annually　 adv.每年;年年 5.chas n.混乱;杂乱;紊乱→　chatic　 adj.混乱的;杂乱的;紊乱的 6.sensitive adj.敏感的;善解人意的;灵敏的→　sense　 n.感觉,意识　v.感觉到;意识到;觉察出→　sensr　 n.传感器;敏感元件→　sensitivity　 n.体贴;悟性;敏感;敏感性;灵敏度 
重点短语1.die 　ut　 灭绝;消失 2.　n　 behalf f 代表(代替)某人 
探究发现1.He said,“I have been t the Great Wall.”→He said that he had been t the Great said,“I’ll give yu an examinatin next Mnday.”→He tld us that he wuld give us an examinatin the next Mnday.
3.He said,“D yu have any difficulty with yur prnunciatin?”→He asked (me) whether/if I had any difficulty with my asked,“What’s yur name?”→He asked (me) what my name asked,“D yu speak English r French?”→He asked me whether I spke English r French.
6.He said,“Yu are interested in English,aren’t yu?”→He asked whether/if I was interested in English.7.“D be careful with yur handwriting,” he said.→He tld me t be careful with my handwriting.8.“Dn’t tuch anything in the lab withut permissin,” the teacher said t the students.→The teacher warned the students nt t tuch anything in the lab withut permissin.
9.She said,“What a lvely day it is!”→She said what a lvely day it was.10.“Yu shuld be mre careful next time,” my father tld me.→My father tld me that I shuld be mre careful the next said t her sn,“I’ll check yur hmewrk tnight.”→She tld her sn that she wuld check his hmewrk that night.
12.Tm said,“We are listening t the pp music.”→Tm said that they were listening t the pp music.13.“Why did she refuse t g there?” the teacher asked.→The teacher asked why she had refused t g said,“It is t late nw.”→He said that it was t late said,“She des nt wrk here.”→He said that she didn’t wrk said,“I’m sure t cme.”→He said that he was sure t g.
1.直接引语为陈述句时,间接引语变为　that　引导的宾语从句。 2.直接引语为一般疑问句或附加疑问句时,间接引语变为　whether/if　引导的宾语从句。 3.直接引语为特殊疑问句时,间接引语变为　特殊疑问词　引导的宾语从句。 4.直接引语为选择疑问句时,间接引语变为　　引导的宾语从句。 
5.直接引语为祈使句时,间接引语变为　带t的动词不定式(短语)　。 6.直接引语是感叹句时,间接引语通常变为　what或hw　引导的宾语从句,也可变为that引导的宾语从句或其他灵活的句式。 7.直接引语变为间接引语时,语序要变成　陈述　语序。 
8.直接引语变为间接引语时,从句的谓语动词在时态方面要做出相应的变化。9.直接引语变为间接引语时,人称代词、物主代词和名词性物主代词等要相应做出变化。10.直接引语变为间接引语时,指示代词、时间状语、地点状语及某些动词也要做出相应的变化。
1.【教材原文】Accrding t the reprt submitted by researchers,between 20 and 25 percent f all annual carbn dixide emissins are caused by the destructin f trpical frests.(page 28)根据研究人员提交的报告,每年20%到25%的二氧化碳排放是由热带森林的破坏造成的。
考点submit vt.& vi.提交;呈递;屈服submit t sb/sth/ding向……呈交;向……递送;向……屈服submit sth t sb/sth把……提交给……
语境领悟(1)She submitted prfs f identity.她提交了鉴定证明。(2)The secretary submitted a reprt f the last meeting.秘书呈递了一份关于上次会议的报告。(3)They didn’t submit t the enemy.他们没有向敌人屈服。(4)They submitted a plan t the city cuncil.他们向市政委员会提出了一项计划。
(5)I submit t being parted frm yu.我不得不跟你分别了。
学以致用单句语法填空(1)Peple there had t 　submit　(submit) t the new rulers when they lst the war. (2)All imprtant prblems must 　be submitted　(submit) t the cmmittee. 
完成句子(3)代表们提交了许多重要的问题来讨论。The representatives 　submitted　 many　 　imprtant　 　prblems　 fr discussin. (4)我将把报告呈送给主席。I shall 　submit　 　the　 　reprt　 　t　 the chairman. (5)他们拒绝屈服于这个不公正的决定。They refused t 　submit　 　t　 the unjust decisin. 
2.【教材原文】I’m ding a prject n behalf f my schl abut glbal warming.(page 29)我代表我的学校做一个关于全球变暖的项目。考点n behalf f代表(代替)某人
语境领悟(1)On behalf f the department I wuld like t thank yu all.我谨代表本部门感谢大家。(2)I’d like t represent a prblem t the schl n behalf f ur class.我想代表我们班向学校提出一个问题。(3)She gave witness n behalf f the accused persn.她替被告作证。
学以致用单句语法填空(1)On behalf 　f　 my clleagues and myself,I thank yu.(2)I’m writing t invite yu t give us a speech n Chinese histry 　n　 behalf f the students’ unin. 
完成句子(3)他代表全班接受了邀请。He accepted the invitatin　n　 　behalf　 　f　 　the　 　whle　 　class　. (4)我代表这里的每一个人,祝你们回国旅途愉快。　On　 　behalf　 　f　 　everyne　 　here　,I wish yu a pleasant jurney back t yur cuntry. 
1.【教材原文】I always use my clth bag when I g shpping,rather than use plastic bags.(page 29)我去购物时总是用我的布袋,而不是用塑料袋。
句法分析rather than意为“而不是……;不是……,而是……;与其说……,倒不如说……”。rather than常用于平行结构中,其前后的成分应该对等一致。rather than连接的并列成分可以是名词、代词、形容词、动词、动词-ing形式、动词不定式、介词(短语)、分句等。
语境领悟(1)He is an explrer rather than a sailr.与其说他是一名水手,倒不如说他是一名探险者。(两个名词)(2)It ught t be me rather than yu that signs the letter.在信上签名的该是我,而不是你。(两个代词)(3)I’d call her hair chestnut rather than brwn.我宁愿说她的头发是栗色的,而不是棕色的。(两个形容词)
(4)I will d it myself rather than ask him t d it.我会亲自去做这件事而不是叫他做。(两个动词)(5)I always enjy getting up early,rather than ging t schl withut breakfast.我总是喜欢早起,而不愿不吃早饭就去上学。(两个动词-ing形式)(6)I decided t write a letter rather than (t) telephne.我决定写信而不打电话。(两个动词不定式)
(7)I’d prefer t g in summer rather than in winter.我宁愿夏天去,而不愿冬天去。(两个介词短语)(8)We shuld help him rather than he shuld help us.是我们应该帮助他而不是他应该帮助我们。(两个分句)
温馨提示1.prefer t d sth rather than d sth 喜欢做某事胜过做某事;宁愿做某事而不愿做某事 The by prefers t d husewrk rather than study. 这个男孩宁愿做家务而不愿学习。 2.wuld rather d sth than d sth 宁愿做某事而不做某事 I wuld rather stay at hme than g ut. 我宁愿待在家里,也不愿出去。
学以致用单句语法填空(1)He 　lay　(lie) rather than sat in his armchair. (2)She enjys singing rather than 　dancing　(dance). (3)Shall we g fr a walk rather 　than　 watch televisin?(4)We will have the meeting in the classrm rather than 　in　 the great hall. 
完成句子(5)发展核科学应该造福于人民而不是伤害他们。Nuclear science shuld be develped t benefit peple 　rather　 　than　 　harm　 　them　. (6)与其说她买的这件羊毛衫漂亮不如说它舒服。The sweater she bught was cmfrtable 　rather　 　than　 　beautiful　. (7)我父亲宁愿步行回家也不愿意坐公共汽车。My father prefers t g hme n ft 　rather　 　than　 　take　 　a　 　bus　. 
2.【教材原文】I ften walk r ride a bike instead f taking a taxi.(page 29)我经常步行或骑自行车而不是乘出租车。句法分析instead f是介词,意为“代替;而不是”,后接名词、代词、动词-ing形式做宾语,表示被取代的内容。但有时为了保持前后对等,instead f后面也可接形容词、副词、动词、动词不定式或介词短语等。
语境领悟(1)I will g there instead f Mr Wang.我将代替王老师去那里。(2)Will yu g t the party instead f me?你代我去赴宴,好吗?(3)I’ll d sme hmewrk instead f ging t the mvies.我要做作业,不去看电影了。(4)Things wuld be better instead f wrse.情况会变得更好而不是更糟。
(5)He walks slwly instead f quickly.他走得很慢而不是很快。(6)His wrds made me respect instead f hate him.他的话使我敬重他,而不是讨厌他。(7)He plans t d sme wrk instead f t watch TV.他打算干点活而不看电视。(8)I’ll g there n ft instead f by bus.我将步行而不是坐汽车去那儿。
温馨提示instead 是副词,意为“代替;而是;反而;却”,可位于句首或句末,位于句首时,还常用逗号与句子其他部分隔开。 He didn’t get angry with me.Instead,he said he liked my wrds very much. 他没生我的气,而是说很喜欢我说的话。 If Harry is nt well enugh t g with yu,take me instead. 如果亨利不舒服不能跟你去,带我去吧。
学以致用句型转换(1)Tday we wn’t have rice fr supper;we’ll take ndles instead.→Tday we’ll have 　ndles　 fr supper instead f 　rice　. (2)She never studies.Instead,she plays tennis all days.→　Instead　 　f　 　studying　,she plays tennis all days. 
单句语法填空(3)Taking exercise every day makes him lk yunger instead f 　lder　(ld). (4)I stayed at my uncle’s hme instead f 　at　 the htel. 
完成句子(5)我经常给他提些建议而不是给他钱。I ften give him sme advice 　instead　 f　 mney　.(6)他提议读些书而不是玩游戏。He prpsed t read sme bks instead f 　t　 　play　 　games　. (7)天气暖和的时候,他常常在树下而不是在图书馆里读书。In warm weather he ften reads bks under a tree　instead　 　f　 　in　 　the　 　library　. 
直接引语和间接引语一、直接引语变为间接引语时,不同种类的句子有着不同的变化方式。1.陈述句:变为连词that引导的宾语从句,that可以省略。He said,“I’m frm America.”→He said (that) he was frm America.
2.一般疑问句:变为连词whether/if引导的宾语从句,said (t sb)可变为asked (sb) that结构。He said,“Are yu interested in English?”→He asked me whether/if I was interested in English.3.特殊疑问句:变为原来的特殊疑问词引导的宾语从句,可变为asked (sb) what/when/where等结构。“What d yu want?” he asked me.→He asked me what I wanted.
4.附加疑问句:变为连词whether/if引导的宾语从句。“Yu have finished the hmewrk,haven’t yu?” my mther asked.→My mther asked me whether/if I had finished the hmewrk.5.选择疑问句:变为连词引导的宾语从句。“D yu g t schl by bus r by bike?”he asked.→He asked me whether I went t schl by bus r by bike.
6.祈使句:变为不定式短语,常用ask/tell/rder sb t d sth结构。He said t me,“Cme as early as pssible,please.”→He asked me t cme as early as pssible.7.感叹句:通常变为what或hw引导的宾语从句,也可变为that引导的宾语从句或其他灵活的句式。“Hw happy I am!” he said.→He said hw happy he was./He said that he was very happy.
温馨提示1.宾语从句要用陈述语序。 2.祈使句变为间接引语时,根据语气的客气程度,可变为ask/tell/rder sb t d sth等结构。
二、直接引语变为间接引语时,从句的谓语动词在时态方面要做出相应的变化。1.一般现在时变为一般过去时。He said,“I’m afraid I can’t finish the wrk befre dark.”→He said (that) he was afraid he culdn’t finish the wrk befre dark.2.一般过去时变为过去完成时。He said,“I came t help yu.”→He said (that) he had cme t help me.
3.一般将来时变为过去将来时。She said,“I’ll d it after class.”→She said (that) she wuld d it after class.4.现在进行时变为过去进行时。He said,“I’m using the knife.”→He said that he was using the knife.5.现在完成时变为过去完成时。She said,“I’ve nt heard frm him since May.”→She said (that) she had nt heard frm him since May.
6.过去完成时不变。He said,“I had finished my hmewrk befre supper.”→He said (that) he had finished his hmewrk befre supper.7.将来进行时变为过去将来进行时。Susan said,“I will be waiting fr yu at my hme.”→Susan said that she wuld be waiting fr me at her hme.
8.将来完成时变为过去将来完成时。The teacher said,“We will have finished the whle textbk by the end f this term.”→The teacher said that they wuld have finished the whle textbk by the end f that term.
温馨提示直接引语转换为间接引语时,总的原则是向过去推一个时态。但在下列情况下,从句时态一般不用改变: 1.当主句谓语动词为一般现在时时。 He always says,“I am tired ut.” →He always says that he is tired ut. 2.当主句谓语动词是一般将来时时。 He will say,“I’ll try my best t help yu.” →He will say that he will try his best t help me.
3.当直接引语为一般过去时,并与具体时间连用时。 She said,“I went t England in 2000.” →She said that she went t England in 2000. He said,“When I was a child,I usually played ftball after schl.” →He said that when he was a child,he usually played ftball after schl.
4.当直接引语是客观真理或自然现象时。 The teacher said,“The earth mves arund the sun.” →The teacher said that the earth mves arund the sun. 5.当直接引语是谚语、格言时。 He said,“Practice makes perfect.” →He said that practice makes perfect.
6.当直接引语是过去完成时或过去进行时时。 They said,“We had eaten in that restaurant befre.” →They said that they had eaten in that restaurant befre. She said,“Tm was parking the car ver there.” →She said that Tm was parking the car ver there.
三、直接引语变为间接引语时,人称代词、物主代词和名词性物主代词等要做出相应的调整。He said,“I like it very much.” →He said (that) he liked it very much.He said t me,“I have left my bk in yur rm.” →He tld me (that) he had left his bk in my rm.
四、直接引语变为间接引语时,从句中的指示代词、时间状语、地点状语及某些动词也要做出相应的变化。
She said,“I will cme this evening.”→She said that she wuld g that evening.“I will cme here again tday,” he said.→He said that he wuld g there again that day.“Please wait fr me at the gate f the Summer Palace at tw tmrrw afternn,” Kate said t her friend.→Kate asked her friend t wait fr her at the gate f the Summer Palace at tw the next afternn.
句型转换(1)“I am ging t the cinema,” she said.→She said 　that she was ging t the cinema　. (2)Mr Lin said,“Can yu hear me,children?”→Mr Lin asked the children 　whether/if they culd hear him　. 
(3)He asked us,“Hw many car factries have been built in yur cuntry?”→He asked us hw many car factries 　had been built in ur cuntry　. (4)He asked me,“Yu are a dctr,aren’t yu?”→He asked me 　whether/if I was a dctr　. (5)I asked him,“Will yu take a bus r take a train?”→I asked him 　whether/if he wuld take a bus r take a train　. 
(6)“Put up yur hands,” the teacher said t them.→The teacher tld them 　t put up their hands　. (7)The ld wrker said t us,“Dn’t frget the past.”→The ld wrker tld us 　nt t frget the past　. (8)“What a brave by yu are!” she tld him.→She tld him 　what a brave by he was　. (9)“I brke yur CD player,” he said t me.→He tld me (that) 　he had brken　 my CD player. 
(10)Maria asked Jane,“What are yu ding?”→Maria asked Jane 　what she was ding　. (11)He said,“I was brn in 1989.”→He said that 　he was brn　 in 1989. (12)He asked me,“Will yu g t the statin with me t meet a friend f mine this afternn?”→He asked me 　whether/if I wuld　 g t the statin with 　him　 t meet a friend f 　his　 that afternn. 
(13)He said,“This is nt allwed.”→He said 　that was　 nt allwed. (14)She said,“I’ll be back tmrrw.”→She said that she wuld be back 　the next day　. (15)Jack asked me,“Wh is cming here tday?”→Jack asked me wh was 　ging there that day　. 
一、把下列句子变成间接引语1.They said,“These are ur bks.”They said that thse were their bks.　 2.He said t me,“I have seen the film.”He tld me that he had seen the film.　 3.He said,“Des the panda lk lvely?”He asked (me) whether/if the panda lked lvely.　 
4.He asked the by,“Wh brke the glass?”He asked the by wh had brken the glass.　 5.He asked me,“What’s wrng with yur recrder?”He asked me what was wrng with my recrder.　 6.He ften says,“I shall tell yu abut them.”He ften says that he will tell me/us abut them.　 
7.We said t her,“They’re walking thrugh the street nw.”We tld her that they were walking thrugh the street then.8.“Yu’d better g t see the dctr,” I said t Tm.I tld Tm that he’d better g t see the dctr./I advised Tm t g t see the dctr.　 9.“Dn’t make a mess in the kitchen,” Tina said t her husband.Tina tld her husband nt t make a mess in the kitchen.
10.“Stp fighting!” Mther shuted t me and my yunger brther.Mther rdered me and my yunger brther t stp fighting.
二、把下列句子变成直接引语1.He said he knew nthing abut Tm.He said,“I knw nthing abut Tm.”　 2.Tm asked Mary if she wuld watch his dictinary that day.Tm said t Mary,“Will yu watch my dictinary tday?”　 
3.Tm’s mther asked him why he had made s many mistakes in his hmewrk that time.Tm’s mther said t him,“Why have yu made/Why did yu make s many mistakes in yur hmewrk this time?”/Tm’s mther asked,“Tm,why have yu made/why did yu make s many mistakes in yur hmewrk this time?”4.They said they had studied English fr three years.They said,“We have studied English fr three years.”　 
5.He said he had seen the film the day befre.He said,“I saw the film yesterday.”　 6.He said he had finished the wrk that day.He said,“I have finished the wrk tday.”　 7.He tld his little sn t g inside and nt cme ut until the rain had stpped.He said t his little sn,“Cme inside and dn’t g ut until the rain has stpped.”　 
8.I asked the teacher whether the Peple’s Republic f China was funded in 1949.I asked the teacher,“Was the Peple’s Republic f China funded in 1949?”　 9.She asked Xia Wang if that kind f telephne was made in Guangzhu.She asked Xia Wang,“Is this kind f telephne made in Guangzhu?”