Unit8Lesson1课件冀教版英语八年级上册

ProtectingtheenvironmentLesson1:Let’scleanitup!Unit8Learningaims能够听懂关于环境保护的对话，获取海滩垃圾问题、清理行动等关键信息；掌握本课时的重点单词、短语及句型；能够和同伴谈论如何保护环境。NewWordshark/ʃɑːk/n.鲨鱼plastic/ˈplæstɪk/n.塑料adj.塑料的；可塑的bottle/ˈbɒtl/n.瓶子；一瓶（的量）bin/bɪn/n.垃圾箱；大储藏箱recycle/ˌriːˈsaɪkl/v.回收利用；再利用behaviour/bɪˈheɪvjə(r)/n.行为；举止harmful/ˈhɑːmfl/adj.有害的whale/weɪl/n.鲸gun/ɡʌn/n.枪；炮kilo/ˈkiːləʊ/n.千克；公斤stomach/ˈstʌmək/n.状况；形势situation/ˌsɪtʃuˈeɪʃn/adj.更糟的；更坏的worse/wɜːs/n.胃；腹部Lead-inHowdoyoufeelwhenyouseethesepictures?Whataboutthesepictures?Howdoyoufeelnow?Activity1Pre-listeningBWhataretheydoing?CWhatmaythetextbeabout?AWhatcanyouseeinthepicture?IcanseeJenny,DannyandBrian.Theyarecleaningupthebeach.Itmaybeaboutprotectingtheenvironment.Lookatthepictureandtrytoanswerthequestionsbelow.1Jenny,Danny,andBrianareonabeachvacationwiththeirfamilies.They’reexcitedtogoforaswimintheocean.Jenny:Ouch!Isteppedonsomethingandithurts!Danny:Isitashark?Jenny:You’rekiddingme.It’sjustsomeplastic.Look,it’saplasticbottle.Danny:Plastic?Itshouldbeinthebin,notinthesea.Brian:I’llgothrowthisbottleintherecyclingbin.Danny:Look!Thatmanoverthereisleavinghisgarbageonthebeach.Suchbehaviourisharmfultotheoceananditscreatures.Jenny:Exactly!Lastweek,Ireadthatawhalediedwithmorethan20plasticbags,atoygun,andotherrubbish,10kilosinall,initsstomach.Listentotheconversationandanswerthequestions.2Activity2While-listeningDanny:That’ssuchaterriblestory.Ifwedonothing,thesituationwillgetworse.Brian:Howaboutcleaningupthebeach?Danny:Soundsgood.Butitwouldtaketoolong.Thereareonlythreeofus!Jenny:Wecanaskourfamilymemberstohelp.Brian:Goodidea!Theyexplaintheplantotheirfamilymembers,andeveryoneagreestohelp.Theyspendtherestoftheafternoonpickingupbottles,plasticbags,andallkindsofgarbageonthebeach.Beforeleaving,theytakeafinalswim.Theyfeelproudthattheymadeadifferenceatthebeach.A.Whatdidthewhalediefrom?Itdiedwithtoomuchrubbishinitsstomach.B.WhydidJennysuggestaskingtheirfamilymemberstohelp?Becauseshewantedtocleantherubbishmorequickly.C.Whydotheyfeelproud?Becausetheymakeadifferenceatthisbeach.Listentotheconversationagainandfillintheblanks.Jenny,DannyandBrianwereonabeachvacationwiththeirfamilies.Jennysteppedona________________.Dannysawamanleavinghisgarbageonthebeach.Theythoughtthesituationwould_______ifpeopledidnottakeactiontoprotectthebeach.Sotheydecidedto__________thebeach.Theyaskedtheirfamilymemberstohelp.Theyspenttheafternoon__________allkindsofgarbageonthebeach.They___________thattheymadeadifferenceinkeepingthebeachcleanandprotectingtheoceananditscreatures.getworseplasticbottlecleanuppickingupfeelproud3Listentothedialogueandwritetrue(T)orfalse(F).DannyistalkingwithJennyandBrian.AIt’sabeautifuldaytoday. ()BTheyarestudyinggeographyinclassthisweek. ()CTheywillasktheirclassmatestohelp. ()DTheyaregoingtopickupthegarbageonthestreet. ()TFTF4Whatcanpeopledotoprotecttheenvironment?Talkwithyourpartner.A:Whatdoyouusuallydotoprotecttheenvironment?B:WhenIseegarbageonthestreet,Ipickitupandthrowitinthegarbagebin.Howaboutyou?A:Isavewaterbytakingshortershowers.Activity3Post-listeningPairwork5turnofflights,useclothbags,separategarbageLanguagepoint11.It’sjustsomeplastic.Look,it’saplasticbottle.只是一些塑料。看，是个塑料瓶子。

plastic①

n.塑料e.g.Thetoycarismadeofplastic.

这个玩具小汽车是用塑料做的。Thesechairsaremadefromrecycledplastic.

这些椅子是用再生塑料制成的。②

adj.塑料的e.g.Weshouldusefewerplasticbags.

我们应该少用塑料袋。Languagepoint22.I’llgothrowthisbottleintherecyclingbin.我去把这个瓶子扔进可回收垃圾箱里。

①recyclev.回收利用；再利用

e.g.Theyrecycleplasticbagsatthesupermarket.

他们在超市回收塑料袋。②recyclableadj.可回收利用的；可再循环的e.g.Around80percentofamobilephoneisrecyclable.

大约80%的手机是可回收的。③recyclingn.回收；利用e.g.Plasticrecyclingneedsspecialmachines.

塑料回收需要特殊机器。④recycledadj.可循环再造的;回收利用的e.g.Therecycledpaperisusedtomakenotebooks.

回收的纸张被用来制作笔记本。Languagepoint33.Suchbehaviour

isharmfultotheoceananditscreatures.这种行为对海洋和海洋生物有害。(1)①behaviourn.行为；举止good/badbehaviour好的/不好的行为e.g.Thechildrenalwaysbehavethemselvesathome.

孩子们在家一向很守规矩。②behavev.表现；有礼貌behaveoneself举止有礼貌，表现得体。e.g.Sheispleasedwithherchild'sgoodbehaviour.

她对孩子的良好行为感到欣慰。(2)harmfuladj.有害的

harmlessadj无害的beharmfulto=doharmto=bebadfor，意为“对……有害处”。e.g.Usingtoomanyplasticbagsisharmfultotheenvironment.

使用太多塑料袋对环境有害。Languagepoint44.Ifwedonothing,thesituationwillgetworse.如果我们什么都不做，情况会变得更糟。(1)结构分析：这是一个主从复合句。主句是thesituationwillgetworse，其中thesituation作主语；willget作谓语；worse作表语。从句是由If引导的条件状语从句，we作主语；do作谓语；nothing作宾语。e.g.Ifyoustudyhard,youwillgetgoodgrades.

如果你努力学习，你就会取得好成绩。Ifitrains,wewillstayathome.

如果下雨，我们就会待在家里。“If+从句，+主句.”表示“如果……，……就会……”。注意：在if引导的条件状语从句中，从句用一般现在时，主句用一般将来时，即遵循“主将从现”原则。(2)worseadj.更糟的；更坏的getworse变糟糕worseandworse越来越坏；每况愈下What’sworse更糟糕的e.g.Ifyounevertry,yourlifeisonlygoingtogetworse.

如果你从不尝试，你的生活只会变得更糟。5.Theyexplaintheplantotheirfamilymembers,andeveryoneagreestohelp.他们向家人解释了计划，大家都同意帮忙。agreetodo…同意做某事agreeto…赞同；赞成agreeon…对……达成一致agreewithsb同意某人（的观点或意见）e.g.Ishegoingtoagreetooursuggestion?

他会同意我们的建议吗?Theycouldn'tagreeonwheretogofordinner.

他们无法就晚餐地点达成一致。Languagepoint56.Theyspendtherestoftheafternoonpickingupbottles,plasticbags,andallkindsofgarbageonthebeach.下午剩下的时间，他们在海滩上捡瓶子、塑料袋和各种垃圾。(1)therestof表示“剩余的”。当“therestof+名词、代词”作主语时，谓语动词的单复数取决于of后边名词或代词的数。e.g.Therestoftheeggshavegonebadalready.

其余的鸡蛋已经变坏了。Therestofthebreadhasbeeneatenup.

剩余的面包已经被吃光了。Languagepoint6(2)allkindsof表示“各种各样的”。后接不可数名词或可数名词复数，kinds前还可用many、different、these等词修饰以表达不同的含义。e.g.Therearedifferentkindsofanimalsinthezoo.

在动物园里有不同种类的动物。Wesawmanykindsofbirdsintheforest.我们在森林里看见许多种类的鸟。SummaryPhrases：stepon…,beharmfulto…,cleanup…,agreetodosth.,therestof…,allkindsof…,makeadifferenceSentences：Suchbehaviourisharmfultotheoceananditscreatures.Ifwedonothing,thesituationwillgetworse.Howaboutcleaningupthebeach?Theyfeelproudthattheymadeadifferenceatthebeach.Words：shark,plastic,bottle,bin,recycle,behaviour,harmful,whale,gun,kilo,stomach,situation,worse一、

用所给单词的适当形式填空1.Plastic__________(污染)canharmmarinelife.2.Weshouldputthelitterintothe___________(垃圾箱).3.Such___________(behave)isharmfultotheenvironment.4.Fruitjuicecanbe____________