九年级英语全册 Unit 13 We’re trying to save the earth课件3 （新版）人教新目标版.ppt

period11a 2dwords unit13we retryingtosavetheearth objectives totalkaboutairpollution waterpollutionandsoundpollution tothinkaboutwaysofprotectingtheenvironment tolearnthenewwords advantage scientific lookatourearth endangeredanimals desertification naturaldisasters pollution theworld sproblems seriouspollution weareharmingourplanetinsomanyways 伤害 airpollution noisepollution waterpollution theearthsongbymichaeljackson factoriespourdangerousgasesintotheair airpollution carsalsopourdangerousgasesintotheair cars smoking somepeoplesmokeinpublicplaces noisepollution buildinghouses loudmusic mobilephones planes waterpollution factories rubbish littering ships helpsavetheearth wemustthinkofbetterwaytotreatourplanetinfuture youdrinkacanofcola whatdoyoudo ithrowawaycans irecyclecans youthrowawaythecans that sbadfortheearth yourecyclethecans that sgoodfortheearth therearealotofoldnewspapersatyourhome whatdoyoudo ithrowtheoldnewspapersaway irecycletheoldnewspapers youthrowoldnewspapersaway youwastepaper that sbadfortheearth yourecycleoldnewspapers yousavepaper that sgoodfortheearth yougoshopping whatdoyoudo iusealotofnewplasticbags iusemyownbag youusealotofnewplasticbags that sbadfortheearth youuseyourownbag that sgoodfortheearth whenyouwriteonapieceofpaper whatdoyoudo iwriteononesideonly iwriteonbothsides youusepaperononesideonly that sbadfortheearth youusepaperonbothsides that sgoodfortheearth closedownthefactories helptocleanuptheriver takethebusorsubway rideabike bringabagtogoshopping throwrubbishinthecans turnoffthelightswhenyouleavearoom usepaperorreusablebags recyclebooksandpaper turnofftheshowerwhenyouwashyourhair don tusenapkins rethink reuse recycle solutions herearesomewordsrelatedtodifferentkindsofpollution writethemintheboxbelow thenaddmorewords 1a noisepollution airpollution waterpollution listenandcompletethesentences reallydirty rubbish fish 1b litter waste government closedown cleanup role playtheconversation theriverwasdirty eventhebottomoftheriverwasfullofrubbish butitusedtobesoclean 1c yes butpeoplearethrowinglitterintotheriver everyoneinthistownshouldplayapartincleaningitup practice makeconversationsusingthepollutionin1a theriverhasalwaysbeenthenicestriverinthistown yes itusedtobesoclean butiwastherelastweekendandtheriverwasreallydirty whatcausedtheproblem factoriesarealsoputtingwasteintotheriver peoplearethrowinglitterintotheriver whatshouldwedo yes everyoneinthistownshouldplayapart weshouldwritetothegovernmentandaskthemtoclosedownthefactories whatelsecanwedo everyoneshouldhelptocleanuptheriver 1 we retryingtosavetheearth 我们正在竭尽全力拯救地球 trytodo tryone sbesttodo努力去做某事 everystudentshouldtrytostudyhardinordertostudyinauniversity 为了进入大学学习 每个学生都应该努力学习 languagepoints 2 herearesomewordsrelatedtodifferentkindsofpollution berelatedto与 有关iamnotrelatedtohiminanyway 我和他无任何关系 3 everyoneinthistownshouldplayapartincleaningitup playapartin在 方面起作用agooddietplaysalargepartinhelpingpeoplelivelonger 健康的饮食在帮助人们长寿方面起着非常大的作用 playapart在 中扮演角色hewasinvitedtoplayapartinthistvplay 他被邀请参加这个电视剧的演出 4 eventhebottomoftheriverwasfullofrubbish yes butpeoplearethrowinglitterintotheriver litter和rubbish都可指 垃圾 用作不可数名词 rubbish指 没用的东西 被扔或将要丢弃的无用的东西 不可回收 litter指 室内或公共场所 乱扔的废物 纸屑 不要的包装纸 废瓶等 还可回收 throwtherubbishout 把垃圾扔出去 theroomisfullofrubbish 房间里堆满了垃圾 pickupyourlitterafterapicnic 野餐后将废弃物收拾好 listentotheinterview circlethekindsofpollutionthatjasonandsusantalkabout a landpollutionb airpollutionc noisepollutiond waterpollution 2a 1 theairisbadlypollutedbecausethereare ontheroadthesedays 2 factoriesthatburncoalalso theairwithalotofblacksmoke 3 thereisalsotoomuchrubbishandwaste people thingsawayeveryday 4 peoplearealsolitteringin likeparks thisturnsbeautifulparksintouglyplaces morecar pollute arethrowingaway publicplaces listenagainandcompletethesentences 2b listenandanswerthequestions 1 whoistheinterviewertalkingto 2 whataretheytalkingabout 3 whatotherproblemsdotheysee susanandjason theenvironmentalproblems there stoomuchrubbishandwasteinthestreets theairhasbecomereallypollutedaroundhere i mgettingveryworried yes iusedtobeabletoseestarsinthesky theproblemisthat 2c usetheinformationin2aand2btorole playconversationsbetweenjasonandsusan read2dandcompletethechart takethebus subwayorrideabikeinsteadofdriving bringabagtogoshopping usechopsticksorforksathome throwrubbishinthebins 2d role playtheconversation jasonandsusan whatareyourideasforsolvingtheseproblems yeah orrideabike thereareotheradvantages 优点 ofbikeriding it sgoodforhealthanditdoesn tcost 花费 anything well tocutdownairpollution weshouldtakethebusorsubwayinsteadofdriving greatideas whataboutwastepollution me too also inevertakewoodenchopsticksorplastic 塑料 forkswhenibuytakeaway 外卖食品 food iusetheonesathome mmm ithinksimplethingslikebringingabagtogoshoppingcanhelp istarteddoingthatayearago andremembertothrowrubbishinthebinsandkeeppublicplacescleanandbeautifulforeveryone sotogether ouractionscanmakeadifferenceandleadtoabetterfuture 辨析 turn get与become 1 become多指身份 职位等的变化 它强调变化过程已经完成 后面可以接名词或者形容词 hebecomesateacher 2 get多用于口语 表示一种变化过程 强调的是 渐渐变化 后常接形容词的比较级形式 languagepoints inwinterthedaysgetshorter 冬天白天渐渐变短 3 turn指的是在颜色和性质等方面与以前的完全不同 强调变化的结果 leavesturnedbrowninthemountains 山里的树叶已经变成了棕色 hermother angrywhensheheardthenews it s darkeranddarkeroutside themilkhas bad 练习 became getting turned cutdown 意为 减少 是 动词 副词 结构的短语 后面所带的宾语为名词时 宾语可以位于down的前面或后面 为代词时只能位于down前面 you dbettercutthearticledowntoabout2000words cut后接off into up in的不同 拓展 辨析 spend cost take pay 1 he gooutwithhisparents butnowhe stayathomealone a useto isusedtob isusedto usedtoc useto usedtod isusedto isusedto2 theinterestingbook me10yuan a tookb paidc spendd cost choosethebestanswer 3 wemustdosomethingusefulto pollution a cutoffb cutupc cutdownd cutin4 smokingcan lungcancer you dbettergiveitup a workonb leadtoc takeawayd putout 5 whatarethe ofbikeriding itcanhelpcutdownairpollution a advantageb reasonsc resultsd ideas 用方框中所给词的适当形式填空 1 don tthrow 垃圾 everywhere 2 inwinter manypeopleburn 煤 tokeepwarm 3 thepolicefoundabodyatthe 底部 ofthelake 4 the 花费 oflivinginbigcitiesisveryhigh 5 hekeepsarabbitinabig 木制的 box cost wooden coal bottom litter makeaposter theearthisbadlypolluted pleasemakeaposterandthinkofwhatwecando savetheearth reviewthenewwordsandexpressions practicetheconversationin2d period23a 3c unit13we retryingtosavetheearth revision jasonandsusan whatareyourideasforsolvingtheseproblems role play2d well tocutdownairpollution weshouldtakethebusorsubwayinsteadofdriving yeah orrideabike thereareotheradvantagesofbikeriding it sgoodforhealthanditdoesn tcostanything greatideas whataboutwastepollution mmm ithinksimplethingslikebringingabagtogoshoppingcanhelp istarteddoingthatayearago me too also inevertakewoodenchopsticksorplasticforkswhenibuytakeawayfood iusetheonesathome andremembertothrowrubbishinthebinsandkeeppublicplacescleanandbeautifulforeveryone sotogether ouractionscanmakeadifferenceandleadtoabetterfuture translatethesesentencesintoenglish 1 甚至是河底都满是垃圾 2 这个镇上的每个人都应该参与清扫 eventhebottomoftheriverwasfullofrubbish everyoneinthistownshouldplayapartincleaningitup 3 骑自行车有其它的优点 4 我买外卖食品从来不拿木筷子和塑料叉子 thereareotheradvantagesofbikeriding inevertakewoodenchopsticksorplasticforkswhenibuytakeawayfood theearthisbadlypolluted whatshouldwedotosavetheearth warmingup let stakeaction 采取行动 turnoffthelightswhenyouleavearoom recyclebooksandpaper takebusesinsteadofdrivingcars therearesomeanimalsareendangered weshoulddosomethingtoprotecttheanimalsandtheenvironment savetheearth savetheanimals thezoosprovidehomesformanyendangeredanimals 1 haveyoueverseenashark 鲨鱼 2 whatdoyouknowaboutsharks discusswithyourpartner readthepassageaboutsharksandcompletethefactsheetbelow 3a manyhaveheardofshark sfinsoup thisfamousandexpensivedishisespeciallypopularinsouthernchina butdoyourealizethatyou rekillingawholesharkeachtimeyouenjoyabowlofshark sfinsoup whenpeoplecatchsharks theycutofftheirfinsandthrowthesharkbackintotheocean withoutafin asharkcannolongerswimandslowlydies thismethodisnotonlycruel butalsoharmfultotheenvironment sharksareatthetopofthefoodchainintheocean secosystem iftheirnumbersdroptoolow itwillbringdangertoalloceanlife manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain butinfact around70millionsharksarecaughtandtradedinthisindustryeveryyear thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years environmentalprotectiongroupsaroundtheworld suchaswildaidandthewwf areteachingthepublicabout finning theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofshark sfins sofar noscientificstudieshaveshownthatshark sfinsaregoodforhealth sowhyeatthem helpsavethesharks sharksareendangered readthepassageandjudgethesentences readthefirstparagraph 1 shark sfin 鱼鳍 soupisfamousandexpensiveallaroundtheworld 2 wehavetokillawholesharktogetabowlofshark sfinsoup readthesecondparagraph 1 peoplecutoffsharks finsandthrowthesharksbackintotheocean 2 sharksareinthebottomofthefoodchainintheocean secosystem n 生态系统 食物链 readthethirdparagraph 1 wildaidandthewwfareenvironmentalprotectiongroupsinchina 2 shark sfinsaregoodforhealth southernchina 70million over90percent wildaidandthewwf let sdothistoreviewthetext somepeopleliketoeatshark sfinsoup especiallyin china butgettingtheshark sfinisvery whenpeoplecatchsharks they theirfinsandthrowthesharksintotheocean thesharkslowlydiesbecauseitcan t withoutthefin anditisalso toenvironment sharksareatthe ofthefoodchain ifthenumberofsharksdropstoolow itwillbreakthebalanceofnuture pleasesaynotoeatingthesharkfinsoup andtakeactiontosavethesharks southerncruelcutoffswimharmfultop let slearnsome languagepoints 1 asharkcannolongerswimandslowlydies 鲨鱼不能再游泳然后慢慢死掉 nolonger意思是 不再 i mnolongerastudent 我不再是个学生了 有两个短语和nolonger同义 即not anylonger和not anymore 但他们侧重的方面不同 languagepoints nolonger和not anylonger侧重时间 e g henolongerliveshere hedoesn tlivehereanylonger 他不在这儿居住了 一个时间以前他住在这儿 过了这个时间 他就离开了 not anymore侧重程度和数量e g youcandrinknomore youcan tdrinkanymore 你不能再喝了 喝酒的量到了一定程度 不能再继续下去了 2 thismethodisnotonlycruel butalsoharmfultotheenvironment 这种方法不但残忍而且对环境有害 notonly butalso 用于连接两个表示并列关系的成分 着重强调后者 其意为 不仅 而且 其中的also有时可以省略 e g shenotonlyplayswell butalsowritesmusic 她不但很会演奏 而且还会作曲 notonlymenbutalsowomenwerechosen 不仅仅是男的 女的也有被选中的 若连接两个成分作主语 其谓语通常与靠近的主语保持一致 e g notonlyyoubutalsohehastoleave 不只是你 他也得离开 notonly放在句首 后接句子时要用倒装结构 e g notonlyhadthepoormanbeenfined butalsohehadbeensenttoprison 这个可怜的人不仅被罚款 而且还被送进了监狱 beharmfulto对 有害e g smokingisharmfultothehealth 吸烟有害健康 playingcomputergamesmuchisharmfultostudents 电脑游戏玩太多对学生有害 3 sharksareatthetopofthefoodchainintheocean secosystem 鲨鱼位于海洋生物系统食物链的顶部 atthetopof在 最高地位 用最高 最大 的 速度 声音等 e g ilookedatthetopofhishead hishairshinyandpartedsmoothly 我看他的头顶 头发闪亮且平滑的分开 heshoutedatthetopofhisvoiceinorderthathemightbeheard 他尽力大声叫喊 以便别人能听见 4 iftheirnumbersdroptoolow itwillbringdangertoalloceanlife 如果它们的数目降至过低 会给所有海洋生物带来危险 此句复数形式的numbers表达全海洋中鲨鱼的总量 当表示数值的高或低时 number要用high或low修饰 e g inthatcountry thenumberofchildrengoingtoschoolishigherincitiesthanintownsandvillage 在那个国家 城市儿童入学人数比乡镇及农村要高 常与number搭配的动词有grow fall等 e g thenumberoffamiliesthatowncarshasbeengrowingquicklyrecently 近来拥有轿车的家庭数量增长很快 5 environmentprotectiongroupsaroundtheworld suchaswildaidandthewwf areteachingthepublicabout finning 世界各地的环境保护组织 如野生救援协会和世界自然基金会 都在教育公众有关 猎翅 的行为 1 句中fin本为名词 指 鱼鳍 此句中的finning由动词化的fin 割鲨鱼鳍以获取鱼翅 的 ing形式转化而成 指课文中所陈述的 猎翅 这一行为 2 wildaid和wwf组织wildaid 美国野生救援协会 是保护野生动物及栖息地环境的一个非盈利性的机构 1999年注册成立 其宗旨是保护及救助世界范围内的野生动物 wwf 世界自然基金会 英文全称为worldwidefundfornature 成立于1961年 是享有国际盛誉 全球最大的独立性非政府环境保护组织之一 1 manypeopledonotrealizetheyarekillingawholeshark theyenjoyabowlofshark sfinsoup 2 sharksareatthetopofthefoodchain iftheirnumbersdrop theocean secosystemwillbeindanger readthepassageagainandfillintheblankswiththewordsinthebox so when 3b manythinkthatsharksaretoostrongtobeendangered theyarewrong therearenoscientificstudiestosupportthis alotofpeoplebelievethatsharkfinsaregoodforhealth 5 sharksmaydisappearoneday wedonotdosomethingtostopthesaleofsharkfins but although if 用方框中词的适当形式完成下面的句子 ithinkit s tomakesuchayoungboyworkallday 2 thepoorfishermancan t hischildren seducation 3 ithinkthegovernmentmustdevelop toprotectenvironment 4 eatingtoomuchjunkfoodis yourhealth 5 hecanusedifferent toworkouttheproblem cruel afford law harmful method ii 单项选择 1 areyougoingto anyoftheevents yes maybelongjumpandhighjump a takepartinb joinc attendd joinin2 ican tafford himanexpensivebirthdaypresent a tobuyb buyingc forbuyingd buy3 rememberto thelightswhenyouleavetheroom ok iwill a turnonb turndownc turnupd turnoff 4 thegirlalwayshassomemoneyto snacks a spendb payforc taked cost5 look boysareplayingontheplayground yes themisabout200 a thenumberof anumberofb thenumberof thenumberofc anumberof thenumberofd anumberof anumberof iii 根据汉语提示完成句子 1 我们必须采取行动来阻止他们 wemust tostopthem 2 我从没听说过这个人 ihavenever suchaman 3 我们乐意尽力帮你摆脱困境 wearegladtodowhatwecando 4 到目前为止 我已经交了二十个朋友 ihavemadetwentyfriends 5 实际上 她从没去过那儿 shehasneverbeenthere infact takeaction heardof tohelpout sofar write5measurestoprotecttheenvironment period34a 4cgrammarfocus unit13we retryingtosavetheearth revision 不同种类的污染2 河底3 把垃圾扔到河里4 在 中起作用 differentkindsofpollution thebottleoftheriver throwrubbishintotheriver playapartin i checkifyouknowthesephrases 5 在中国南部6 对 有害7 在 顶部8 海洋生态系统 insouthernchina beharmfulto atthetopof theocean secosystem ii translatethesentences 1 甚至是河底都满是垃圾 2 这个方法不仅残酷还对环境有害 eventhebottomoftheriverwasfullofrubbish thismethodisnotonlycruel butalsoharmfultotheenvironment 3 鲨鱼处于海洋食物链的顶部 4 许多人相信鱼翅对健康有好处 sharksareatthetopofthefoodchainintheocean secosystem alotofpeoplebelievethatshark sfinsaregoodforhealth grammarfocus payattentiontothesentences 1 we retryingtosavetheearth 2 theriverusedtobesoclean 3 theairisbadlypolluted 4 noscientificstudieshaveshownthatsharkfinsaregoodforhealth 5 weshouldhelpsavethesharks presentprogressive usedto passivevoice presentperfect grammarfocus modalverbs 现在进行时 1 含义 表示正在发生或进行的动作 2 基本结构 主语 be 现在分词 be的形式随主语的变化而变化 3 基本用法 表示现在正在进行的动作 特征 常常与now或具体的时间连用 有时句中会有感官动词来提示 或通过上下文来暗示 表示现阶段一直进行的动作 这类动词常常是延续性动词 常于atpresent thisweek thesedays等连用 表示主语的特征 性格 能力等 本单元复习现在进行时 usedto句型 被动语态 现在完成时和情态动词 whatafinedaytoday look whataretheydoing exercise 现在完成时 1 含义 表示过去发生的动作对现在还有影响 2 基本结构 主语 have has 过去分词 3 基本用法 表示过去发生的动作 但强调对现在产生影响 特征 不能与表示具体的时间状语连用 表示过去发生的动作或存在的状态一直延续到现在 还可能继续下去 常常与since for inthepast 时间名词 inthelast 时间名词等时间状语连用 而且谓语动词要求是延续性动词 表示一种 经历或体验 即可以表示经历过也可以是从来都没有经历过 completethefollowingsentences 1 i be inbeijingfortwoyears 2 i never hear ofthatmanbefore 3 tom work theresincetwoyearsago havebeen have heard hasworked exercise 4 thetwins wash theclothesforanhour 5 he play basketballsincethreeyearsago 6 howlong sally sing yet havewashed hasplayed has sung 被动语态初中阶段我们学习了七种被动结构 归纳如下 1 一般现在时是被动语态 am is are 过去分词 2 现在完成时的被动式 have has been 过去分词 3 现在进行时的被动式 am is are being 过去分词 4 一般过去时的被动式 was were 过去分词 5 过去进行时的被动式 was were being 过去分词 6 过去完成时的被动式 had been 过去分词 7 一般将来时的被动式 will begoingtobe 过去分词 8 含有情态动词的被动式 情态动词 be 动词的过去分词 translatethesentencesbyusingpassivevoice 1 刚才一些老年人参观了博物馆 2 工人们使用不同种类的机器工作 themuseumwasvisitedbysomeoldpeoplejustnow differentkindsofmachinesareusedtoworkbytheworkers exercise 情态动词情态动词表示说话人对某一动作或状态的态度 如认为 可能 应当 必要 等 情态动词本身有一定的意义 但不能单独作谓语 也没有人称和数的变化 后面一般跟动词原形 usedto结构usedto意为 过去常常做某事 指的是过去的习惯性动作 目的在于与现在形成对照 usedto是个情态动词 其中的to是不定式符号 后面跟动词原形 在美式英语中 它的疑问式是 did 主语 usetodosth 否定式是 主语 didn tuse 在英式英语中 它的疑问式应当是 used 主语 tosth 否定式应当是usednotto或use d n tto heusedtostayuplate 他过去常熬到很晚 translation 1 我们不能在教室里吃东西 2 首先你必须完成作业 3 他现在不可能在家 4 她一定知道这个问题的答案 exercise wecan teatintheclassroom youmustfinishyourhomeworkfirst hecan tbeathomenow shemustknowtheanswertothisquestion joe youever take partinanenvironmentalproject ken yes ihave i help withaclean updaylastyear itwas consider thebiggestclean upprojectthiscityever have fillintheblankswiththecorrectformsoftheverbsinbrackets havetaken helped considered hadhad 4a joe howmanypeople take part ken i think morethan1 000people come tohelpout joe that sfantastic iguesseveryoneinthiscityis try toimprovetheenvironment ken yes wecan taffordto wait anylongertotakeaction took think came trying wait fillintheblankswiththeappropriatemodalverbsfromthebox people thinkthatbigthings bedone however manyforgetthatsavingtheearthbeginswithsmallthings forexample you saveelectricitybyturningoffthelightswhenyouleavearoom you alsousepaperorreusablebagsinsteadofplasticbags may should could would 4b makealistforthingsthatpeoplecandotohelptheenvironmentanddiscussyourlistwithyourpartner 4c discussing 4c 选择填空 1 youpassmeapen i dliketowritedownthephonenumber sure hereitis a canb needc mightd must2 mayigotothecinema mum certainly butyou bebackby11o clock a canb mayc mustd need3 you worryaboutme it snothingserious a can tb mustn tc needn td won t 4 excuseme isthistherightwaytothesummerpalace sorry i mnotsure butit be a mightb mustn tc can td must5 themanintheoffice bemr black becausehewenthomejustnow a mustn tb maynotc can td needn t 6 hepromisedtopickmeupattheschoolgate however he yet a didn tarriveb doesn tarrivec isn tarrivingd hasn tarrived7 bajin oneofthegreatestwritersinchina as people swriter a isregardedb hasregardedc isregardingd regards 8 whereistom he inhisroom a isreadingb readsc readd wasreading9 mayigooutnow dad no you letyourmotherknowfirst a canb mayc needd must 10 herson coke butnowhe milk a usedtodrink isusedtodrinkingb usedtodrinking drinksc isusedtodrinking usedtodrinkd isusedtodrink isdrinking 11 2013江苏淮安 it sgettingdark please thelight a turnonb turnoffc turndownd turnaround12 2013湖北随州 howdoesjackusuallygotowork he driveacar butnowhe theretoloseweight a usedto isusedtowalkb wasusedto isusedtowalkingc wasusedto isusedtowalkd usedto isusedtowalking 13 inthelasttenmonth septembermiracle 奇迹 oncctvformorethanfivetimesandispopularalloverthecountry a hasplayedthepianob hasgivenouttheirsongdisksc haswrittensongsd hasperformed14 2013广东 notonlymyfriendsbutalsoi interestedinfootballandmessiisourfavoritestar a beb amc isd are 15 2013湖北宜昌 atpresent oneofthebestwaystostudyisworkingingroups morechances tostudentstolearnfromeachother a offerb areofferedc hav