Unit4WecansavetheanimalsWeonlyhaveoneearth!Manyanimalsliveinourworldeaglezebraindanger.TheseandmanyotheranimalsareLook,tigersaredisappearing.disappear消失Weneedtosavetigers!Ontheland陆地Theyaredisappearing.Pandasareindangertoo.Theyaredisappearing.Weneedtosavepandas.Elephantsare.Theyare.Weneedto.indangerdisappearingsavewhalesTheyaredisappearing.Intheocean海洋Whalesare.Theyare.Weneedto.whaleindangerdisappearingsavewhales[weɪl]Inthesky天空Theyaredisappearing.Whalesare.Theyare.Weneedto.whaleindangerdisappearingsavewhales[weɪl]Ifyoudon’tdosomethingnow,theymayalldisappear!foreverWhywilltheseanimalsdisappearforever?1.Oneproblemisthattheirhomesaredisappearing.forestsea/oceangrasslandAnimals’homesWhathappenstotheirhomes?Peoplecutdowntheforests.【知识点】cutdown:砍伐、砍倒Moreandmoretreeswere_____,Asaresult,manyanimalsaredyingout.越来越多的树木被砍伐,结果导致许多动物灭绝了。cutdownHalfoftheforestwastomakeroomfortheroad.为了给新公路腾出地方,这片树林已经被砍去了一半。cutdown动物迁徙Peoplepollutetheoceans.pollute污染pollution污染,名词Peoplecutdowntheforests.Peoplepollutetheoceans.Sotheseanimalshavenoplacetolivein.noplacetolivein没有地方住peopledowhatinhurtingtheanimalsthink2.Peoplekilltheseanimalsfortheirfur,theirteeth,theirmeat...Peoplekillfoxesforfur.Manypeoplebuyfurcoatsmadefromfoxes.madefromfurPeopletigersfur.Manypeoplecushion(椅垫)tigers.frommadekillforbuyPeoplesharps(鲨鱼)sharpfin(鱼翅).Manypeoplebuysharpfinsharps.killformadefromTheredwineismadeinUK红酒是产于英国的。红酒是由葡萄制成的Theredwineismadefromgrapes.红酒是由工人制成的。Theredwineismadebyworkers葡萄制成了红酒。Grapesaremadeintoredwine.这桌子是由木制成的。Thetableismadeofwood.成品+bemadein+地点产于某地原料+bemadeinto+成品…被制成…成品+bemadeof+原料(看得出,物理)由…制成成品+bemadeby+制造者…被…制造成品+bemadefrom+原料(看不出,化学)由…制成我的钢琴产于北京。MypianoismadeinBeijing.我的生日蛋糕是由我妈妈制成的Thebirthdaycakeismadebymymother自行车是在中国制造的。ThebikeismadeinChinaIfwedon’tsavetheseanimals,whatwillhappen?ThinkandmatchThinkandmatchIfpeoplestillkilltheseanimals,Ifpeoplestillcutdowntheforests,Ifwebuythingsmadefromtheseanimals,Ifpeoplestillpolluteourearth,theseanimalswilldisappearforever.wemaylostourhomespeoplemaystillkilltheseanimals.theseanimalswillnoplacetolivein.Ifweworktogether,wecansavetheseanimals.知识点三】if表示如果,if引导的条件状语从句的用法:Ifwedon’t…,…may…Ifwedon'tdosomethingnow,theymayalldisappearforever!Ifweallworktogetherwecanstillsavetheanimals.Ifyoulovetheearthandlovetheanimals,pleasedosomethingaboutit.(if从句用一般现在时,主句用may/might/can)Ifyoulovetheearthandlovetheanimals,whatwecandofortheseanimals?1.Neverbuythingsmadefromtheanimalsindanger.2.Planttrees.3.Don’tcutdowntheforests.4.Don’tpollutetheoceans.5.Lovetheanimals.6.Worktogetherandsavetheanimalsindanger.7.…知识点二】Never开头的祈使句表示强烈的否定,相当于“千万不要,一定不要”openthedoorofacarbeforeitstops.在车停稳之前不要开车门。dothatagain.再不要这样做了。speaktostrangers!不要跟陌生人说话Makeapostertocallpeopleworktogethertosavetheanimalsindanger.ourbeautifulworld,pleaseprotectitourbeautifulworld,pleaseprotectitourbeautifulworld,pleaseprotectitourbeautifulworld,pleaseprotectitourbeautifulworld,pleaseprotectit