英语选择性必修 第三册Unit 3 Environmental Protection备课课件ppt

这是一份英语选择性必修 第三册Unit 3 Environmental Protection备课课件ppt，共28页。PPT课件主要包含了Lead in，核心词汇等内容，欢迎下载使用。

1.Knw the writing type f the passage2.Deepen the reading skills, such as summarizing, skimming and the prblem f Li river and the effrts t handle the a reprt n an envirnmental issue.
Teaching Objectives
Lk at the title and the picture n P32 and predict what the text will be abut.The text is mainly abut the water pllutin and actins abut Li river.
What d yu think might have caused water pllutin in the Li river?A large number f turists crwd in and leave t much damage.Enterprises pured the plluted water int the river.
Befre reading:
Read and analyze the rganizatin f the passage. Then sum up the main ideas f each paragraph using the key wrds.para1: intrduce the tpic. Para2: describing the water pllutin.Para 3: presenting sme actinsPara 4: presenting further actins
Activity 1:
Read the reprt and find ut the answers t the fllwing questins. What were sme f the negative effects n the Li River as a result f the grwth in turism.What measures have been taken t imprve the LI River water quality?What is the “river chief system”?
Activity 2:
1.what were sme f the negative effects n the Li River as a result f the grwth in turism.Many turists threw garbage int the river. Kitchens n bard were using il which was thrwn int the river. The grwth f turism meant the lcal ppulatin rse rapidly, as well as the cmmercial and industrial enterprises. Mre husehld and cmmercial waste ended up in the water. Mre chemicals led t severe water quality issues.
2.What measures have been taken t imprve the LI River water quality?The cnstructin f waste water treatment facilitiesThe cllectin and transprt f husehld waste Dzens f pllutin enterprises were clsed r mved.New rules were made.The lcal gvernment uses the media t spread the awareness f prtectin.Carry ut inspectins is the “river chief system”?It means hlding senir fficials respnsible fr reducing water pllutin.
Draw a mind map t shw all the factrs that caused the pllutin.
语法填空. The beautiful Li River is ne f the 1_____________（famus） turist destinatins，but the 2__________（grw） in turism has had negative effects n the river’s water quality. This reprt lks at the prblem f water pllutin and sme actins that have been taken t deal with it. Water quality in the Li River had suffered 3__________（great） frm an increasing vlume f turists，many f 4__________ frequently threw garbage int the river. Many tur bats cntributed 5__________ the prblem t. The lcal ppulatin rse rapidly，as well as 6__________ number f cmmercial and industrial enterprises. Water pllutin levels increased，with mre husehld and cmmercial waste ending up in the river. T feed mre peple，mre chemicals 7__________（use） t increase crp prductin. These chemicals led t severe water quality issues，8__________（cause） a decrease in the number f fish species. 　　Finally，a series f urgent steps were taken 9__________（restre） the river’s riginal beauty. It 10__________（believe） that the beauty f the Li River will be preserved fr generatins t cme.
is believed
概要写作　阅读课文，根据其内容写一篇60 词左右的内容概要。
　　Here is a reprt studying the prblem f Li River’s water pllutin and sme measures taken t slve the prblem.（要点1）In the past the increasing turism made the beautiful river suffer a lt. The natural envirnment was damaged.（要点2）Therefre，a series f measures were taken t make the river’s beauty reappear.（要点3）And thanks t these effective measures，the cming generatins will still be able t enjy the beauty f the Li River.（要点4）
教材原句p.26 bear appeared t have starved and died. ……这只熊似乎是饿死的。1. starve vi. & vt.（使）挨饿；饿死；缺乏 starve t death 饿死 be starving 感觉很饿，饿极了 be starved f/fr 缺乏…… The animals were left t starve t death. Wh is t blame? 动物们被活活饿死了。这该怪谁呢？Thanks t yur fd. I’m starving! 多亏了你的食物。我饿极了 ！The department has been starved f substantial resurces. 这个部门一直缺乏大量的资源。【词语积累】 starvatin n. 饥饿；挨饿；饿死　　die f/frm starvatin 饿死
单句语法填空（1）They’ll either die frm the cld r starve __________ death. （2）When will the dinner be ready? We ___________ （starve）. （3）The pr kid is just starved __________ attentin. （4）He lks frward t the day when n ne will die f __________（starve）. 完成句子（5）Many peple ___________________（饿死） after the earthquake as a result f the delay f the supplies.
are starving
starved t death
教材原句p.26 This alarming case shwed hw the increase in temperature had an impact n Earth’s eclgy. 这一令人震惊的案例表明，气温升高对地球生态产生了怎样的影响。2. have an impact n 对……有影响；对……造成影响There is n prf that French had an impact n the Chinese language. 没有证据表明法语对汉语有影响。【词语积累】have an effect/influence n... 对……有影响
单句语法填空（1）Questins that lead them int emtinal states will als have an impact __________ their respnses. （2）What the pregnant mther eats will have __________ impact n the baby’s develpment. 完成句子（3）Whatever yu d will ___________________________（对……有影响）sciety， s behave well.
have an impact/effect/influence n
教材原句p.26 The ““natural” greenhuse effect refers t the fact that heat frm the sun enters the atmsphere... “自然”温室效应指的是来自太阳的热量进入大气层…… 3. refer t（t 是介词） （1）指的是Peple wh are likely t succeed refer t thse wh are ambitius. 可能成功的人是指那些有抱负的人。（2）提到，谈到 搭配：refer 把……称为…… She referred t a strange slid in her reprt. 她在报告中提到了一种奇怪的固体。The child referred t the clrful ribbn as rainbw. 那个孩子把彩带称为彩虹。（3）参考，查阅Yu can refer t the excellent mechanic’s ntes if yu want. 如果你想的话，你可以参考优秀技工的笔记。Please refer t a dictinary t check the spelling. 请查一下词典看看拼写是否正确。
【归纳拓展】（1） 把……送交给……（以求获得帮助等） （2）reference n. 提及，涉及；查阅，参考；推荐信in/with reference t 关于 fr future reference 供日后参考
单句语法填空（1）We always refer t Ben __________“a nice by”. （2）While giving the English speech，ne is nt allwed t refer __________ the ntes. （3）Yu’d better write dwn the phne number f that restaurant fr further __________（refer）. 完成句子（4）The headmaster spke at the meeting fr nearly an hur withut _____________________（参考） his ntes. （5）I prmise nt ____________________（提到） this matter again. （6）I have nthing t say ____________________ （关于） the agreement. （7）English ____________________ （被称为） a universal language.
referring t
in/with reference t
is referred t as
教材原句p.27 The heat is released back int space at lnger wave lengths. 热量以更长的波长释放回太空。4 .release vt. & n. 排放；释放；发布release a prisner 释放囚犯a release frm prisn 从狱中释放release a mvie 发行影片the latest release 最新发行的产品In the fggy mrning，the enemy released the wrkers frm the awesme quarry. 在雾蒙蒙的早晨，敌人把工人们从可怕的采石场里释放了出来。Plice have released n further details abut the accident in the harbr. 关于在港口发生的事故，警方没有透露更多的细节。The new editin f the dictinary with new idims will be released later this mnth，as yu anticipate. 如你所料，新版成语词典将于本月晚些时候出版。
单句语法填空（1）The prisner has served his sentence and ______________（release） tmrrw. （2）On the peak，she burst int tears， __________（release） all her emtins. 完成句子（3）After the trainer was sure that the whale culd lk after itself，he _____________________（把它放入大海）. （4）The mayr _____________________（发表声明） explaining the reasns fr his resignatin.
will be released
released it int the sea
released a statement
教材原句p.27 Withut this prcess，Earth culd nt sustain life. 如果没有这个过程，地球就无法维持生命。5. sustain vt. 维持（生命、生存）；遭受；承受住The massive increase in spending failed t sustain his life when he became seriusly ill. 当他得了重病时，大量增加的开支没能维持他的生命。Anyhw，yu culdn’t let the cmpany avid sustaining lsses f millins f dllars. 无论如何，你不能让公司避免承受数百万美元的损失。t sustain damage/an injury/a defeat 遭受损失/受伤/遭到失败The ice will nt sustain yur weight. 这冰承受不了你的体重。【词语积累】sustainable adj. 可持续的；合理利用的sustainable ecnmic grwth 经济的可持续增长
完成句子（1）［词汇复现］The questin has arisen which planets can ___________　　（维持生命）. （2）The typhn left，and the city had ________________________（遭受巨大破坏）. （3）［词汇复现］The ice was t thin ________________________ （承受体重） f the gat. （4）A large internatinal meeting was held with the aim f prmting ________________________ 　（可持续发展）in all cuntries.
sustain life
sustained great damage
t sustain the weight
sustainable develpment
教材原句p.27 In fact，news reprts are frequently bradcast abut extreme rainstrms and heatwaves... 事实上，新闻报道经常报道……极端暴雨和热浪。6. frequently adv. 频繁地；经常（=ften） Buses run frequently between the city and the airline. 公共汽车频繁地来往于市区与航空公司之间。He isn’t a silent by. On the cntrary，he frequently asks questins abut the Internet. 他不是个沉默的男孩。相反，他经常问关于互联网的问题。【词语积累】frequent adj. 频繁的；经常的；常见的a frequent visitr t ur huse 我们家的常客
7. bradcast vt. & vi.（bradcast，bradcast）播送（电视或无线电节目）；广播；传播（信息等） n. 广播节目；电视节目The cncert will be bradcast live tmrrw evening. 音乐会将于明晚现场直播。I dn’t want t bradcast the fact that my father wns the cmpany. 我不想宣扬这家公司为我父亲所有的事实。a live bradcast f the cncert 音乐会的现场直播a news bradcast 一档新闻节目【学法点拨】a live bradcast（n.） bradcast（v.） live
教材原句p.27 ur“carbn ftprint”by restricting the amunt f carbn dixide ur lifestyles prduce. ……通过限制生活方式产生的二氧化碳量来减少我们的“碳足迹”。8. restrict vt. 限制，限定（数量、范围等）；束缚；妨碍 把……限制在……restrict ne’s freedm 限制某人的自由The number f diners in this canteen is restricted t 50. 这家餐厅就餐者的人数限制在50 人以内。Having small children tends t restrict yur freedm. 有年幼的孩子往往会限制你的自由。The lng skirt restricted her mvements. 长裙妨碍了她的行动。【词语积累】restrictin n. 限制规定；限制法规；约束speed restrictins 速度限制 a restrictin n smking in schls 禁止在学校吸烟
教材原句p.27 It is ur respnsibility t seize every pprtunity t educate everyne abut... 我们有责任抓住每一个机会，让每个人了解…… 9. seize vt. 抓住；（常指通过暴力突然）夺取；控制seize a chance/an pprtunity/pwer 抓住机会/ 抓住时机/ 夺权seize sb. by the arm 抓住某人的胳膊seize n/upn sth. 突然对……大为关注；抓住（可利用的事物） As far as I knw，Bb seized n the rain as an excuse fr missing schl. 据我所知，鲍勃以下雨为借口不去上学。They seized the airprt in a surprise attack. 他们突袭攻占了机场。Seeing the pearl，he was seized by curisity. 看到珍珠，他好奇心顿起。【学法点拨】catch 侧重指抓住实物，包括人；grasp 强调抽象含义的“抓”，还表示“领会”之意；snatch 指快速地“抢”；seize 多用来表示“抓住时机”。