九年级英语全册 Unit 13 We’re trying to save the earth Wednesday复现式周周练课件 （新版）人教新目标版.ppt

unit13we retryingtosavetheearth wednesday星期三 grammarfocus 4c 一 核心词汇afford grammarfocus 4c 二 重点短语turnoff关掉 payfor付款 付出代价 takeaction采取行动 grammarfocus 4c 三 主要语法 1 现在进行时 be am is are doing如 we retryingtosavetheearth 我们正在努力拯救地球 2 usedtodo曾经如 theriverusedtobesoclean 河流曾经是那么干净 grammarfocus 4c 3 被动语态 be am is are was were 动词过去分词如 theairisbadlypolluted 空气遭到严重污染 4 现在完成时 have has 动词过去分词如 noscientificstudieshaveshownthatsharkfinsaregoodforhealth grammarfocus 4c 没有科学研究表明 鱼翅对健康有好处 5 情态动词 动词原形如 weshouldhelpsavethesharks 我们应该帮助拯救鲨鱼 grammarfocus 4c 四 基础复现天天练 垃圾问题 grammarfocus 4c wastepaperandusedcokecansarethrownout everywhere youmighthaveseenplasticbagsflyingintheskywhenthewindblowsandgettingcaughtinthetrees ormaybeyou veseenoldcanssittinginriversandpollutingthewater ourenvironment theplacewelivein isbeingruined 毁灭 byus grammarfocus 4c thehumanbeings believeitornot everyfamilyinchinamakesaboutoneton 吨 ofrubbisheveryyear that sover100milliontonsofrubbishinchinaalone itisenoughtofillalineof10 tontrucksthatgoesaroundtheworldalmostfivetimes grammarfocus 4c allthisrubbishmakesoursoil ourwaterandourairdirtyanditisthemainreasonofpollution soitaffectsourhealth badhabits suchasdroppinglitter addtothisproblem manypeoplethinkthatdroppingonesmallpieceofchewinggum 口香糖 doesn tmattertoomuch grammarfocus 4c theydon tneedtopayforit but didyouknowthatnearly600 000piecesofgumstucktotian anmensquareduringthelastnationaldayholiday itcost0 2yuantoremoveeachpiece anditwilltakemanyyearsforthestains 污迹 ofgumtodisappear grammarfocus 4c soitisclearthatwecannotgoonlivinglikethis weneedtocutdownourwaste forexample wecanusetheclothbagsinsteadof plasticbags wemustturnoffthelightswhenweleavetheroom what smore weshouldn tthrowrubbishhereandthere weshouldthrowitintothetrashbin grammarfocus 4c thisworldisours itisouronlyworld anditisthedutyofeverypersontomakeanefforttosaveourenvironment ifeveryonetakesactionstosavetheearth iamsurewecanmakeadifferenceandleadtoabetterfuture grammarfocus 4c 1 ourenvironmentisbeingruinedby a wastepaperb cokecansc thehumanbeingsd chewinggum c grammarfocus 4c 2 itcostabout toremovethegumduringthelastnationaldayholiday a 600 000b 120 000c 300 000d 110 000 3 whatdoestheunderlinedphrase stuckto meaninchinese a 粘住b 扔掉c 捡起d 浪费 b grammarfocus 4c a 4 themaincauseofpollutionis accordingtothepassage a litteringb spittingc badhabitsd rubbish d grammarfocus 4c 5 themainideaofthepassageis a weshouldcutdownwasteandgiveupbadhabitstosavetheearthb removingchewinggumisreallyhardworkc rubbishmakesoursoil ourw