冀教版八年级英语下册 （Environment Clubs）Save Our World!教学课件

EnvironmentClubs

Unit8SaveOurWorld!1.Beabletousethewordsandphrases:reduce,reusable,least,pollute,skip,packaging,leaky,waste,litre,sink,electricity,shut,throwaway,encouragesb.todosth.,neither...nor...,turnoff,shutdown2.LearntheenvironmentclubandlearntoprotecttheenvironmentLearningTargets3.Learnsomekeysentences:·Inanenvironmentclub,studentsworktogethertoreducepollutionandprotecttheenvironment.·Howmuchgarbagedoyouthrowawayafterlunch？·Environmentclubsencouragestudentstobringtheirlunchesinreusablebagsanddishes.·Theclasswiththeleastgarbagegetsaprize.·It'sagoodwaytoreducepackaging.·Didyouknowthataleakytoiletcanwaste20to40litresofwateranhour？·Turnoffthetelevisionandshutdownthecomputerwhenyouarenotusingthem.Whataretheydoing?LeadinDoyouthinkthecharactersinthepicturesarecorrect?Whyorwhynot?Whatshouldwedo?Doyouknowthem?Andwhataretheydoing?reducereusableleastpolluteskipv.

减少adj.可重复使用的adj.&adv.最少的(地)；最小的(地)n.最少量；最小物v.污染；弄脏v.跳跃；跳绳Wordsandexpressionspackagingleakywastelitresinkelectricityshutn.包装adj.渗漏的v.&n.浪费n.公升n.水槽；水池n.

电v.关上；合上throwawayencouragesb.todosth.neither...nor...turnoffshutdown扔掉鼓励某人做某事既不……也不……关掉；关闭关闭；停下Whatdoyoudowhenyouseesomebodythrowinggarbageontheground?Doesyourschoolhaveanenvironmentclub?THINKABOUTITPresentationInNorthAmerica,manystudentsjoinenvironmentclubs.Inanenvironmentclub,studentsworktogethertoreducepollutionandprotecttheenvironment.Thefollowingisalistoftheiractivitiesandadvice.·No­garbagelunches:Howmuchgarbagedoyouthrowawayafterlunch？EnvironmentclubsListenandreadthepassage.encouragestudentstobringtheirlunchesinreusablebagsanddishes.Theclasswiththeleastgarbagegetsaprize.·No­cardays:Onano­carday,nobodycomestoschoolinacar—neitherthestudentsnortheteachers！Carspolluteourair,soremember:Walk,skip,bikeorrun.Useyourlegs！It'slotsoffun!·Bringyourownshoppingbag！Bringyourownbagwhenyougoshopping.It'sagoodwaytoreducepackaging.·Savewater！Didyouknowthataleakytoiletcanwaste20to40litresofwateranhour？Inayear,thatwouldfillalargeswimmingpool！Inenvironmentclubs,studentsfixleakytoiletsandsinks.·Saveelectricity！Turnoffthelightswhenyouleavearoom.Turnoffthetelevisionandshutdownthecomputerwhenyouarenotusingthem.Readthelessonandanswerthequestions.1Let’sDoIt!1.WhydomanystudentsjoinenvironmentclubsinNorthAmerica？Becausetheywanttoreducepollutionandprotecttheenvironment.2.Whydothestudentstaketheirownbagswhentheygoshopping？Becauseit'sagoodwaytoreducepackaging.

3.Howdothestudentsinanenvironmentclubsavewater？Howdotheysaveelectricity？Theyfixleakytoiletsandsinks.Turnoffthelightswhentheyleavearoom.Turnofftelevisionsandshutdowncomputerswhentheyarenotusingthem.Fillintheblankswiththecorrectformsofthewordsinthebox.wasteleastnobodyshutpolluteThesoapfactory_______thedrinkingwaterinthisarea.Studentsshouldnot_____paper._______knowswhenlifeontheearthstarted.Hewhotalksthemostknowsthe_____.Icouldn’t____thewindowbecauseitwasstuck.pollutedwasteNobodyleastshut2Readthepassageandfillintheblanks.Insomecountriesoftheworld,peoplehavestartedtoreducetheamountofgarbagetheymake.How?First,theybuy______things.Theytrytobuyonlywhattheyreallyneed.Whenyoubuyfewerthings,you_____awayfewerthings.Second,theyreusethings.fewerthrow3Theyusethings,andthentheyusethemagain!Third,theyrecyclethings.Theymakeoldthingsintonewthings.Peoplecallthesethe“threeRs”:reduce,_____and______.ThethreeRshelpusrememberthat_________isaproblem.reuserecyclepollutionSupposeyourschool'senvironmentclubwantstomakeaposteraboutlitteringandrecycling.Canyoumakeone？Here'sanexample.4StopPollution！Wehaveanice,cleanschoolyard.Let'skeepitthisway.Don'tlitter！Alwaysputyourgarbageinagarbagecan.Neverthrowitontheground.Recycle！Stopandthinkbeforeyouthrowsomethingout：CanIusethisagain？Canthisberecycled？Together，wecanhelpkeepourworldclean！Languagepoints1.Inanenvironmentclub，studentsworktogethertoreducepollutionandprotecttheenvironment.reducev．减少。其反义词为increase(增加)。常用短语：reduceto减少到……；reduceby减少了……例：Thenumberofthestudentshasreducedto200thisyear.今年的学生数量已减少到了两百人。2.Howmuchgarbagedoyouthrowawayafterlunch？throwaway丢掉，扔掉。它相当于throwout/throwoff。该短语是动副型短语，当宾语是代词时，要放在throw与away之间；当宾语是名词时，置于throw与away之间或away之后均可。例：Don'tthrowawaytheoldbottles.Theyarestilluseful.不要扔掉这些旧瓶子。它们还有用。3.Environmentclubsencouragestudentstobringtheirlunchesinreusablebagsanddishes.encouragesb.todosth.鼓励某人做某事。其中，动词不定式作宾语补足语。例：Myteacheralwaysencouragesmetoworkhard.我的老师总是鼓励我努力学习。4.Theclasswiththeleastgarbagegetsaprize.least是little的最高级形式，意为“最少”，修饰不可数名词。最高级前面通常要用定冠词the。例：Tomdranktheleastmilkamongthethreeboys.这三个男孩中，汤姆喝的牛奶最少。5．It'sagoodwaytoreducepackaging.该句中toreducepackaging是动词不定式短语作后置定语，修饰way。此句可转化为一个含定语从句的复合句：It'sagoodway(that)youreducepackaging.

way在此作“方式、方法”讲，其后可接动词不定式(短语)、of短语及that/inwhich引导的从句作定语，that可省略。例：It'sagoodwaytopracticespokenEnglish.＝It'sagoodwayofpracticingspokenEnglish.＝It'sagoodway(that)youpracticespokenEnglish.那是一个练习英语口语的好方法。6．Didyouknowthataleakytoiletcanwaste20to40litresofwateranhour？waste

v．浪费。常构成固定搭配wastewater/electricity/oil等。其反义词为save(节约，节省)。例：Thenaughtyboywastedmuchmoney.那个淘气的男孩浪费了很多钱。7．Turnoffthetelevisionandshutdownthecomputerwhenyouarenotusingthem.(1)【辨析】turnoff、turnon、turnup与turndownturnoff意为“关掉，关闭”，一般指关闭电源、水等，后面常接电器、仪器等。turnon意为“打开”，一般指打开电源、水等，后面常接电器、仪器等。turnup调大电器等的频率、音量等。turndown调小电器等的频率、音量等。例：Pleaseturnofftheradio.Mygrandmaissleeping.请关掉收音机，我的奶奶正在睡觉。CouldyoupleasehelpmeturnontheTV？你能帮我打开电视吗？Ican'thearclearly.PleaseturnuptheMP3.我听不清楚。请调大MP3的音量。Heturneddowntheradio.他调小了收音机的音量。(2)shutdown也可意为“关闭;停下”。它强调机器等停止运转、关闭窗户等，也可指关闭公司、工厂、店铺等。例：Therestaurantshutdownlastyear.这家饭店去年倒闭了。Butthecompanyshutdownin1995.但这家公司在1995年关闭了。Schoolshouldbesurroundedbyapureandhealthye__________.Chemicalwastesp______theriversandstreams.Theshipwasl______badly.Youshouldnotw____foodwhenmanypeoplearehungry.根据句意和首字母及汉语提示完成句子。nvironmentolluteeakingasteExercises5.Ihaveto__________(关闭)myblog.6.Theglassfrombottlescanber_______.7.Weshouldtake________(可重复利用的)bagsforshopping.8.Mr.Smithcandrinkfive______(公升)ofbeer.9.Thefirmhas___(更少的)moneyandfewerstaffthanlastyear.

reusableecycledshutdownlitresless1.Learnsomenewwordsandexpressions.2.Beabletounderstandthistext.3.Callinpeopletoworktogethertomakeourenvironmentclean.SummaryHomework1.FinishtheexercisesofLesson44.2.Previewnextlesson.3.Accordingtothetext,thinkaboutthemeasurestoprotecttheenvironmentandwritedownyouranswer.GarbageIsInteresting!Unit8

SaveOurWorld

单词闯关1.用过的；旧的；二手的(adj.)________→________(v.)2.分开；分割________pile________4.座位________5.lid________6.吨________7.duty________divideuseduse

Lesson48

GarbageIsInteresting!课前自主预习堆；大量seat盖子ton

责任；义务短语互译1.thousandsof_______________2.make…outof…____________3.把……分成……____________4.散步____________数以千计的；许多的divide…into…用……制成……goforawalkLesson48

GarbageIsInteresting!句型在线1.他用了一点儿胶水把轮子粘上。Heusedabitofglue_____________thewheels_____.2.我认为保护环境是我们的职责。Ithink________ourduty________________theenvironment.to put on

it’s to protectLesson48

GarbageIsInteresting!课文初探判断正(T)误(F)：(

)1.LastweekJennylearnedaboutpollution.(

)2.OnTuesday,Danny,BrianandJennycleaneduptheschoolyard.(

)3.OnWednesday,theysortedtheirschool’sgarbage.(

)4.Today,Dannymadeamodelplaneoutofgarbage.(

)5.Laterthismonth,they'llgoonaschooltriptothecityrecyclingcenter.FTTFFLesson48

GarbageIsInteresting!

词汇点睛

●1

usedadj.用过的；旧的；二手的[观察]

Dannyfoundausedtoycarwithonebrokenwheel.丹尼发现了有一个坏轮子的旧的玩具车。Heboughtausedbikelastweek.他上周买了一辆二手的自行车。[探究]

used意为“用过的，旧的”，在英语中常将动词的____________用作形容词，在句中作________。过去分词定语课堂互动探究Lesson48

GarbageIsInteresting!活学活用

1．根据汉语意思完成句子我想买一台二手电脑。Iwanttobuya________computer.usedLesson48

GarbageIsInteresting!

词汇点睛

●2

dividev．分开；分割[观察]

Weputonglovesanddividedthegarbageintodifferentpiles:glass,metal,plastic,paperandeverythingelse.我们戴上手套，把垃圾分成不同的堆：玻璃、金属、塑料、纸和其他的东西。Thisislandisdividedintotwoparts.这个岛屿被分成两部分。Lesson48

GarbageIsInteresting!

[拓展]divide…inhalf意为“把……分成两半”，相当于短语divide…intohalves。例如：Letmedividetheappleinhalf.让我把这个苹果分成两半。[探究]divide意为“分开；分割”，常和________搭配。divide…into…意为“把……分成……”，后跟________或代词。介词名词Lesson48

GarbageIsInteresting!活学活用

2．(1)根据汉语意思完成句子

让我们把这些苹果分成五份吧。

Let's________theseapples________fiveparts.divide intoLesson48

GarbageIsInteresting!活学活用

(2)单项填空Ayearis________fourseasons.A．divideinto

B．dividedintoC．dividetoD．dividedwithBLesson48

GarbageIsInteresting!●Ithinkit'sourdutytoprotecttheenvironment.我认为保护环境是我们的职责。[探究]

“It'sone'sdutyto…”意为“……是某人的职责/义务”，it为形式________，____________是真正的主语。例如：Asateacher,it'smydutytoteachmystudents.作为一名老师，教育学生是我的职责。句型透视主语动词不定式Lesson48

GarbageIsInteresting!

[拓展]It's＋adj.＋for/ofsb.＋todosth.It's＋adj.＋forsb.＋todosth.意为“做某事对某人来说是······的”其中形容词用来修饰物，如hard,easy,funny,important,dangerous,possible等。It's＋adj.＋ofsb.＋todosth.意为“某人做某事是······的”其中形容词用来人，如kind,good,right,wrong,clever,careless,polite,foolish等。Lesson48

GarbageIsInteresting!活学活用

(1)It'sreally________younottotellyourparentsabouttheproblems.Do