Unit 13 单元课件-人教版九年级英语全册

unit13Wearetryingtosavetheearth.SectionA(1a-2d)litter(不可数名词)bottomfishermancoalnewwords

uglyadvantagecostwoodennewwords

plastictakewaybinnewwords

atthebottomof在.....底部atthetopof在.....顶部itusedtobe曾经是

o把...扔进playapartindoing参与做某事解决问题削减，砍倒，减少代替，而不是优势，反义词：disadvantages对....有好处

反义词：bebadforgoshopping购物外卖食物起作用，有影响引起，通往languagepoints1.与usedto相关的词组usedtodo过去常常beusedtodong习惯于，适应于beusedtodo被用来做某事usedtobe+adj./n.短语

过去存在某种状态

2.litter，rubbish与waste区别litter指随手丢弃的垃圾

eg.Pleasedonotdroplittereverywhere.请不要到处扔垃圾。rubbish指任何成堆的、破损的、用过的或无用的垃eg.You’dbetternotthrowtherubbishontheground.你最好不要往地上扔垃圾。waste指任何被丢弃的东西eg.Therewillbenowasteaslongaswehavealittlecreativity.只要我们有创意就不会有废品。3.Well,tocutdownairpolloution,weshouldtakethebusorsubwayinsteadofdriving.嗯，为了减少空气污染，我们应该乘公共汽车或地铁，而不是开车。cutdown减少，砍倒，缩减

，人称代词置于中间cutup打伤，切碎cutinto切成cutoff切除，砍掉cutout删掉，剪下

4.Itisgoodforhealthanditdoesn’tcostanything.它对健康有益，而且不用花费任何东西！begoodfor对......有益

Burningcoalisnotgoodfortheenvironment.烧煤对环境没有好处。begoodat擅长，后接名词、代词或动词ing形式，同义短语为dowellinHeisgoodatperformingontheerhu.他擅长用二胡表演。begoodwith善于应付.....Thefishermanisgoodwithbadweather.渔民善于应付恶劣天气。cost,spend,take与pay区别cost(cost,cost)Sth.costs(sb.)somemoney.

某物花费（某人）多少钱spend（spent，spent）Sb.spend(s)time/moneydoing/onsth.某人花时间，金钱做某事take(took,taken)Ittakessb.sometimetodosth.做某事花费某人多长时间pay（paid，paid）Sb.pay(s)somemoneyforsth.某人为某物花费多少eg.Ispent50yuanonthebackpack.=Thebackpackcostme50yuan.=Ipaid50yuanforthebackpack.这个背包花了我50元。Ittooktheworkers2yearstobuildthepalace.=Theworkersspent2yearsbuildingthepalace.修建这座宫殿花费了工人们两年的时间5.Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture.因此，齐心协力，我们的行动就能起作用，就会创造更加美好的未来。makeadifferenceto对......产生影响

，前可用big,great等修饰，表示影响的程度Theaccidenthasmadeagreatdifferencetoher.这次事故对他产生了重大影响。leadto引起；通往；Theheavyrainledtoaflood.大雨导致了