八年级英语上：Unit 7 Enviroment单元课件上海牛津版.ppt

unit7enviroment reading pre readingquestions 1 whatpartofthenaturedoyouthinkisbeautiful thesea thelake astream theforest 2 nowhumanbeingsaredoingsomethingbadtothenature howmanykindsofpollutiondoyouknow airpollution waterpollution landpollution noisepollution awhatdoyouknowabout brainstorming treesareveryimportantinourdailylife whatcanwegetfromtrees use eat drink wear awhatdoyouknowabout brainstorming treesareveryimportantinourdailylife whatcanwegetfromtrees use eat drink wear pencils chopsticks tables chairs paper fruit nuts tea leaves coffee beans flowers shoes rubber beforeyoureadtheinterviewonthenextpage trythisquizabouttrees abamicei75yearsbpinetreesii14yearsccatsiii25yearsddolphinsiv1 200yearsepeoplev2years 1howlongdotheylive matchtheitemsontheleftwiththeagesontheright 2pollutionmeanstheprocessofmakingthingsdirtyandunhealthy whichtypeofpollutiondotreeshelpfight aairpollutionbnoisepollutioncwaterpollutiondalloftheabove airpollution theleavesoftreesremovedangerouschemicalsanddirtfromtheairandproduceoxygen waterpollution treesaroundreservoirshelpkeepthewatercleanbyremovingdustanddirtfromtheair andtheirrootspreventthesoilfrombeingwashedintothewater noisepollution treesreducenoisefromvehicles 3whichofthefollowingcomefromtrees aapplesbbeansccottondoileteafrubber 4thebest knownflowersinshenzhenareazaleas thesesweet smellingflowersareknownastheflowersofshenzhencity whichpictureshowsazaleas bananatrees palmtrees azaleas blookandthinkbeforeyoureadtheinterview lookatthetitle theintroductionandthepictures thensaywhetherthefollowingstatementsaretorf 1thepollutionfightersareprobablyscientists 2fewusefulproductscomefromtrees 3treesgiveoutharmfulgases 4treescanpassinformationtooneanother f f f t aprojectinterviewingbreathingnaturalwarnachemicalcutdown c2findthewordsincolumnaintheinterviewandmatchthemwiththemeaningsincolumnb bamadebynature notbymanbtalkingtosomeoneandaskingthemquestionscacarefulstudyofasubjectbyschoolorstudentsdtakinginairesomethingproducedbyorusedinchemistryfcutsomethingtomakeitfalldowngsaythatsomethingbadordangerousmayhappen vocabulary 1against disagreeing opposing2beinterestedin takeaninterestin3breathe takeinair4burn damagesth byfire5chemical somethingproducedbyorusedinchemistry6collect bringthingstogether7communicatewith giveandreceiveinformation messages signals etc 8cool makesth becomecool9cutdown cutsth tomakeitfalldown vocabulary 10destroy damagesth sobadlythatitnolongerexistsorworks11indanger inadangeroussituation12join connectthingstogether13natural existinginnature14project ppieceofworkthatinvolvesacarefulstudyofasubject15underground underthesurfaceoftheground16warn saythatsomethingbadordangerousmayhappen fillintheblankswithcorrectwords he theletterafterreadingit somepeopleliketo stampsfromdifferentcountries iputsomeiceintotheglassto thewaterinside imust younottogoout thereisastormcoming thiscountryhasfew resources thefarmeruseda tokilltheinsectsintheirfields burnt collect cool warn natural chemical fillintheblankswithcorrectwords 7 thesedayswecan withpen friendsbye mails 8 thetvprogarmme afamousfilmdirectorabouthislatestfilm 9 theforestwasbadly inthebigfire 10 thereisasmallbookshopatthe ofthestreet 11 thenewroadwill thevillageandthecity 12 ittookme2weekstofinishthatscience communicate interviewed destroyed end join project findthephrases 对 感兴趣例如呼吸新鲜空气因 而感谢 天然空调自我保护互相 彼此互相交流处于危险之中最好的抗污染的战士 1beinterestedin 2forexample3breathefreshair4thank for 5naturalairconditioners6protectoneself7eachother8communicatewithoneanother9beindanger10thebestfightersagainstpollution dfindthefactsjudytooksomenotesfromherinterviewwithdoctorray however shemadefourmistakes readthroughtheinterviewandcorrectjudy smistakes trees 1livemuchlongerthanpeople 2producewood rubber paper etc 3heattheair 4cannotcleantheair 5arelikeairconditioners 6cannotprotectthemselvesagainstinsects 7cansharefoodandwaterwithoneanother 8areindanger mainlyfrominsects cool can can people humanbeings ereadandthink ritaisaskingmayquestionsabouttrees mayisgivingyesornoanswers readrita squestionsandcompletemay sanswerswithoneormorewords ereadandthink 1wegetsomeusefulthingsfromtrees isthatright yes twoexamplesarewoodandrubber treesdotwomainthingstotheair isthattrue yes theycoolitandcleanit 3onetreehasthepowerof15aircondidtioners isthatright no onetreehasthepoweroffiveairconditioners ereadandthink 4doscientistsknowalotabouttrees no theyareonlynowbeginningtounderstandthem 5cantreescommunicatewithoneanother yes forexample wheninsectsattackatree itcanwarnitsneighbours 6andcantheyprotectthemselvesfrominsects yes theycanproduceachemicaltomaketheirleavestastebad ereadandthink 7cantreeshelponeanother yes forexample theycanjointheirrootstogetherundergroundandpasseachotherfoodandwater 8everyyear therearefewerandfewertreesintheworld isthattrue yes peoplecutdownandburnalotoftreeseveryyear p1 2 treesarethebiggestandoldestlivingthingsonearth synopsis p3 6 treesprovidemanythingssuchaswood rubberandpaper theycoolandcleantheair theyarenaturalairconditioners synopsis p7 8 scientistsareonlybeginningtounderstandtrees treescanwarneachotherofinsectattacksandpassfoodandwatertooneanotherthroughtheirroots butmanythingsaboutthemarestillamystery synopsis p9 10 treesareindangerbecausewedestroyalotofthemeveryyear wearedestroyingourbestpollutionfighters synopsis listening completingaposter ritaistakingpartinatree plantingcampaign sheismakingapostertogetpeopletojointhecampaign judyishelpingher listentothemandcompletetheposterbyputtingonewordineachspace newwords atree plantingcampaignposterreducelessnoisypurepointproduceelse 1植树活动 海报 减少 不那么吵 纯净的 纯洁的 观点 要点 制造 生产 别的 其他的 completingaposter eightreasonstohelpplanttrees 1treesmakestreetsmore 2treesmakesteetsless 3treesmakeourair 4treesmakeourair 5treesmake tokeepusaliveand 6treesproduce thingslike and 7treeshelpusfight 8treesarein beautiful noisy purer cooler oxygen healthy useful fruit paper pollution danger tapescript j hi rita whatareyoudoing r hi judy i mjustwritingaposterabouttree planting j oh that sinteresting canihelpyou r yes please whyshouldweplanttrees canyougivemesomeideas j well treesareverybeautiful r yes theymakeourstreetsmorebeautiful j andtheyhelpreducethenoiseonourstreets tapescript r that strue treesmakeourstreetslessnoisy whatelse j well theyhelpmaketheairpure r good number3 treesmakeourairpurer j andtheymakeitcooler too r right treesmakeouraircooler j anddon tforget treesmakeoxygen weneedthattobreathe r that sagoodpoint number5 treesmakeoxygentokeepusaliveandhealthy j andwegetthingsfromtrees don twe tapescript r youmeanlikefruit j yes andpaper r right treesproduceusefulthingslikefruitandpaper j andtheyhelpusfightpollution r that simportant treeshelpusfightpollution anythingelse j well peoplecutdownsomanytrees soweneedmoretrees r yes treesareindanger there that seightreasons thanksforyourhelp judy j you rewelcome language thepresentcontinuoustense thekidsarewatchingtv iamsittingdown becauseiamtired iamnotlearninggerman becausethisisanenglishclass whoareyouwritingto use1 now examples thingstoremember a2 completethedescriptionofthesceneinthepictureonpage21 itisthefirstmorningoftheholiday everyoneisonethebeach tedis volleyballwith isplayingbadmintonwith is playing carol jenny henry grace fishing dickiswalking ivanisswimming doraiseatinganicecreamandjimisplayingtheguitar johnnyislisteningtomusic use2 longeractionsinprogressnow sallyisstudyingreallyhardforherexamsthisweek iamreadingareallyinterestingbooknow howareyoubrushinguponyourenglishforthetrip wearen tworkinghardthesedays thepresentcontinuoustense examples non continuousverbs theseverbsareusuallythingsyoucannotseesomebodydoing theseverbsarerarelyusedincontinuoustenses theyinclude emotionverbs possessionverbs abstractverbs examples heisneedinghelpnow heneedshelpnow heiswantingadrinknow hewantsadrinknow notcorrect correct notcorrect correct 现在进行时 1 什么是现在进行时 现在进行时表示一项活动在说话时 或较长时间 正在进行 johnandmaryaretalkingonthephone 2 现在进行时的构成现在进行时由 be v ing 构成 be动词与主语的人称和数保持一致 肯定句式 主语 be am is are doing 否定句式 主语 be am is are not doing 一般疑问句 be am is are 主语 doing 特殊疑问句 疑问词 be am is are 主语 doing johnandmaryaretalkingonthephone johnandmaryarenottalkingonthephone arejohnandmarytalkingonthephone 3 现在进行时中动词形式的变化 amis ingare1do doing2live living3重读闭音节结尾sit sittingdrop dropping 以ie结尾die dyinglie lying 现在进行时常用于哪些情况 1 当句子中有now时 常表示动作正在进行 如 theyareplayingbasketballnow 现在他们正在打篮球 2 以look listen开头的句子 提示我们动作正进行 这时要用现在进行时 如 listen sheissinginganenglishsong 听 她正在唱英语歌 3 表示当前一段时间或现阶段正在进行的动作 且此时有thisweek thesedays等时间状语 这时常用现在进行时 如 wearemakingmodelplanesthesedays 这些天我们在做飞机模型 4 描述图片中的人物的动作也常用现在进行时 如 lookatthepicture thechildrenareflyingkitesinthepark 看这幅图 那些孩子正在公园放风筝 1what sgracedoing she sfishing 2what sdickdoing he swalking 3what sivandoing he sswimming 4what sdoradoing she seatinganicecream a1askandanswerinpairs 5what scaroldoing she splayingvolleyballwithted 6what steddoing he splayingvolleyballwithcarol 7what sjimdoing he splayingtheguitar a1askandanswerinpairs 8what sjennydoing she splayingbadmintonwithhenry 9what shenrydoingdoing he splayingbadmintonwithjenny 10what sjohnnydoing he slisteningtomusic a1askandanswerinpairs itisthefirstmorningoftheholiday everyoneisonthebeach tedisplayingvolleyballwithcarol jennyisplayingbadmintonwithhenry graceisfishing dickiswalking ivanisswimming doraiseatinganicecreamandjimisplayingtheguitar johnnyislisteningtomusic a2possibleanswers 1thedoorbellisringing iknow ihearit 2yourdinnerisonthetable iknow iseeit itsmellsgood 3thesecarsbelongtome idon tbelieveyou a3completethesedialoguesaboutthepictures 4idon tunderstandher whatdoesshemean ithinkthatshemeans bequiet 5look yourbabyissmiling yes shelikesyou 6whyisyourcasesoheavy itcontainsbooks a3completethesedialoguesaboutthepictures 写出下列动词的现在分词 动词的ing形式 play run swim make go like write cut read have sing dance put see buy love live take come get stop sit open shop 二 用所给的动词的正确形式填空 1 theboy draw apicturenow 2 listen somegirls sing intheclassroom 3 mymother cut somebreadnow 4 what you do now isdrawing aresinging iscutting aredoing 二 用所给的动词的正确形式填空 5 look thegirls dance intheclassroom 6 whatisourgrandmotherdoing she watch tv it s5o clocknow we have suppernow8 thecats run inthegardennow isdancing iswatching are having arerunning 9 diane wash herhaireveryotherdayorso 10 kathyusually sit inthefrontrowduringclass buttodayshe sit inthelastrow washes sits issitting 11 a look it snow b it sbeautiful thisisthefirsttimei veeverseensnow it snow not often inmycountry issnowing doesn toftensnow 一般将来时 usages 用法 一般将来时用于表示将来的动作或状态 常与tomorrow nextweek nextyear infourdays fromnowon inthefuture等表示将来的时间状语连用 e ghewillbe13nextyear we llgobackintotheclassroominfiveminutes nextweekwillbethelastweekofthismonth 1 主语 begoingto do 动词的原形 表示打算 计划 或者表示人根据已有的事实和迹象 认为某事即将发生 iamgoingtotakejobsnextsummer thereisgoingtobeafootballmatchafterclass therearegoingtobetwofootballmatchesafterclass 结构 2 shall or will v 原形 iweyouhesheitthey shall will will v 原形 注 1 在美国英语中 各人称都可用will 2 shall will缩写形式 i ll we ll you ll they ll he ll she ll it ll 3 shallnot缩写为shan twillnot缩写为won t 肯定句 否定句 一般疑问句 特殊疑问句 s shall will v原形 s shall will not v原形 shall will s v原形 特殊疑问词 一般疑问句 基本句型 简略回答 yes ishall yes iwill no ishan t no iwon t will和shall有何区别 在疑问句中 一般不能代替 用shall构成的疑问句一般用来提出建议或征求别人意见 shallwegotothepark whatshallwedowiththisnaughtyboy 常用时间状语 注意 用bedoing也可以表示将来 主要意义是表示按计划 安排即将发生的动作 常用于位置转移的动词 如 go come leave arrive drive fly return work sleep stay play do have wear等 weareleavingforshanghainextmonday wearemovingtoadifferenthotelthedayaftertomorrow bcompletethedialoguewiththeproperformsoftheverbsinbrackets hi rita wow you greattoday danny thankyou where may thetrain intwentyminutes we thetrain she onherway i herjustnowandshe inatrafficjam we togetonthetrainnow we dbetterwaitforher she soom oh theresheis hi may hi everyone nicetoseeyouagain look is isleaving willmiss is phoned was have iscoming practice wegoswimmingnextsunday no i mafraidwe there anenglishpartynextsunday a will won t willbeb shall won t shallbec shall shan t willbed will shan t shallbe2 pleasewaitforawhile kate backinafewminutes isbeb shallbec willbed hasbeen there aparentsmeetingtomorrowafternoon a areb willhavec isgoingtobe whatareyougoingtogivehimasapresent i mnotsure maybei himsomeflowers a havegivenb willgivec gaved give practicecompletetheexercisewiththeproperformoftheverbs we go totheschoolgatetowaitforhimnextday crops die withoutwater i read thatbookfirst thatmaninthemiddle be themanagerinthenearfuture she take partinthenextcompetition tony do hisbesttohelpustomorrow sue be adoctorwhenshegrowsup thechildren visit thehistorymuseumonsundayafternoon will shallgo willdie shall willread willbe willtake willdo willbe willvisit practice将下列句子改为将来时 相应地更改或增添时间状语 iwritetohimonceamonth 2 lucyisworkinghard 3 atwhattimedoyouhavedinner 4 don tyouplayfootballonsaturdays 5 doyougotoworkbybus 答案 ishall amgoingtowritetohimtomorrow 2 lucywill isgoingtoworkhard 3 atwhattimewillyouhavedinner atwhattimeareyougoingtohavedinner 4 won tyouplayfootballonsaturdays aren tyougoingtoplayfootballonsaturdays 5 willyougotoworkbybus areyougoingtogotoworkbybus 翻译 mygrandfatherwon tgofishingtomorrow jimwillbefifteenyearsoldtomorrow willyoucometoshenzhennextmonth whenshallwemeetagain writing thereisanewleisureareanearmay shome lastweek theworkersfinishedit maywatchedthemandthenwroteashortarticleforherschoolnewspaper lookatthepicturesandwritetheanswerstothequestions 1theworkersarrivedonalorry onthebackofthelorrythereweresometreesandflowers 2theydugholesinthegroundandthenplantedthetreesinthem 3theybroughtsomelargecontainersandputearthinthem thentheyplantedflowersinthecontainers 4theypickedupalltherubbishandcleanedthearea afterthat theywateredtheplants 5now itlookspretty writing anewspaperreport thereisanewleisureareanearmay shome lastweek theworkersfinishedit maywatchedthemandthenwroteashortarticleforherschoolnewspaper a workinpairs lookatthepicturesonpage26andwritetheanswerstothequestions usethewordsinbracketstohelpyou 1 whatdidmayseelastweek whatwasonthebackofthelorry workers arrive lorry be trees flowers 2 whatdidtheworkersdo dig holes ground plant trees holes theworkersarrivedonalorry onthebackofthelorrythereweresometreesandflowers theydugholesinthegroundandthenplantedthetreesinthem 3 whatdidtheworkersdothen bring large containers put earth containers plant flowers containers 4 whatdidtheworkersdonext pickup allrubbish clean area water plants 5 howdoestheleisurearealooknow pretty a workinpairs lookatthepicturesonpage26andwritetheanswerstothequestions usethewordsinbracketstohelpyou theybroughtsomelargecontainersandputearthinthem thentheyplantedflowersinthecontainers theypickedupalltherubbishandcleanedthearea afterthat theywateredtheplants now itlookspretty b completemay sreportbyaddingmoredetails dailypost23marchournewleisureareanearmyhome thereisanewleisurearea someworkersfinisheditlastweek iwatchedthemfrommyflat first theworker arrivedinalorry onthebackofthelorrythereweresometreesandflowers second theworkersdugholesinthegroundandplantedthetreesinthem next theybroughtsomelargecontainers theyputearthinthem thentheyplantedflowersinthecontainers next theypickedupalltherubbishandcleanedthearea afterthat theywateredtheplants thentheworkwasfinished nowitlooksverypretty morepractice a readtheposterbelow dearfriendstreesareourfriends theyworkhardforus theycoolourcitiesandcleantheair theyalsogiveoutoxygenforustobreathe treesreducesoundpollutionincitiesandmakecitiesmorebeautiful withouttrees the