外研版九年级英语上册最新课件M12U1

Module12SaveourworldIfeveryonestartstodosomething,theworldwillbesaved.n.制造厂；工厂factoryv.污染pollutev.回收利用；再使用（废品）recyclen.废料；废弃物wasten.敌人；仇人enemyn.庄稼；作物cropv.杀死；弄死killn.石油oiladj.较小的；较少的n.较少数；较少量lessadj.无望的hopelessWecanseeaverydirtyriver.Thereislotsofrubbish.Thefishhasbeendeadbecauseofthewaterpollution.Whatcanyousee?Wecanseethatrubbishisbeingburnt.Thesmokegoesintotheair.Itiscausingairpollution.Whatcanyousee?Wecanseesomewastepaper.Itcanberecycled.Ifeveryonestartstodosomething,theworldwillbesaved.Fromthethreepictures,welearnthattheenvironmentalproblemisserious.Itisourdutytoprotecttheenvironment.Andweshouldsaveenergy.Weshouldtrytoreuseeverythingthatisreusable.Orourworldwillbehopeless.Lookatthepicturesandtalkaboutthem.1.Thefactoryiscausingalotof_______.2.Thereshouldbesome_______tostoppollution.3.Wecan_______wasteproducts,suchas_______inarecyclingcentre.pollutionrecyclerulesglassCompletethesentenceswiththecorrectformofthewordsinthebox.glassrulerecyclepolluteprotect自主预习根据句意及汉语提示完成单词。1.Ifeelitisourdutynottopollute（污染）ourenvironment.2.Herefusedtohavedinnerwithhisoldenemy/enemies（敌人）.3.Wehavefoundoil（石油）undertheNorthSea.4.Thesuccessofthecrop（庄稼）dependsontheweather.5.Acatkilled（弄死）mybirdyesterday。课堂导学1.It’snousetalkingaboutthingswecan’tdo.谈论我们不能做的事情是没有用的。句型1：It’snousedoingsth.做某事是没有用的。固定句式It’snousedoingsth.意为“做某事是没有用的”。其中it是形式主语，真正的主语是动名词短语。Itisnousetellinghimnottoworry.告诉他不要担心没有用。Itisnousecryingoverspiltmilk.覆水难收即学即练一单项选择Itisnousebacktoone’slostyouth.A.lookB.lookedC.lookingD.tolook解析：句意为“回顾流逝的青春是没有用的”，It’snousedoingsth.意为“做某事是没有用的”。故选C。2.Suchas…?比如……？短语1：suchas例如，比如suchas，意为“例如，比如”。用来列举同类人或物中的几个例子，as后面不可以有逗号。Thefarmgrowsdifferentkindsofcrops,suchaswheat,corn,cottonandrice.这个农场种植不同种类的庄稼，例如小麦、玉米、棉花和水稻。辨析：suchas与forexample的区别(1)suchas一般用来列举同类人或物中的几个例子,插在被列举的例子和前面的名词之间,as后没有逗号。Hehasbeentomanycountries,suchasAmerica,JapanandGermany.他去过很多国家，比如美国、日本和德国。(2)forexample一般只举同类人或物中的一个例子，作插入语，前后用逗号隔开，置于句首、句中、句末均可。Alotofpeoplehere,forexample,MrJohn,woundratherhavecoffee.这儿的许多人，例如约翰先生，宁愿喝咖啡。即学即练二单项选择InAmerica,parentswanttheirchildrentodosomethingtheycan.,theywantthemtousemoneywisely.A.ForexampleB.ForexamplesC.AsexampleD.Suchas解析：suchas一般用来列举同类人或物中的几个例子，forexample一般只举同类人或物中的一个例子。由句意可知，“theywantthemtousemoneywisely”是其中的一个例子。故选A。3.Thatmeanslesswaste.这意味着更少的浪费。单词1：less较小的;较少的less作形容词，意为“较小的;较少的”。less是little的比较级，可用来修饰不可数名词。Hespentlesstimedoingtheexperiments.他做实验花的时间较少拓展：less也可修饰形容词或副词，意为“较不……；更不……”。Itislesscoldthanitwasyesterday.今天的天气不如昨天那么冷。辨析：fewer与less的区别词条原级词义用法例句fewerfew更少的修饰可数名词复数Therewillbefewertreesinthefuture.将来的树木会更少lesslittle更少的；更小的修饰不可数名词Shehaslessmoneythanme.她的钱比我的少即学即练三单项选择Toliveagreenlift,weshouldtrytosaveenergyandproducepollution.A.more;lessB.less;moreC.more;fewerD.most;least解析：more是much和many的比较级，意为“更多的”，可用来修饰可数名词复数和不可数名词；less是little的比较级，意为“较小的;较少的”，可用来修饰不可数名词。根据句意“为了过绿色的生活，我们应该节省更多的能源，制造更少的污染”可知选A。4.Thoughpollutionisheavynow,Idon’tthinkit’shopeless.尽管现在污染很严重但我认为它不是没有希望。单词2：hopeless无望的hopeless作形容词，由“hope+后缀-less”构成，意为“无望的”。It’stryingtoconvinceher.想说服她简直是徒劳。hopeless归纳：常见的加后缀-less构成的形容词-less是形容词后缀，可加在一些名词之后，表示“无……，没有……”。carelessuselessfearlesshomeless粗心的无用的无畏的无家可归的即学即练四根据句意及英语提示完成单词Hefailedhisjobinterviewagain,andhefeltreally(withnohope)aboutthefuture.hopelessReadtheconversationandcompletethenotes.Problems1.Iftheriversarepolluted,_________________________________.2.Insomeplaces,pollutionfromfactories_____________________.3.Thecarsinthestreet________________________.Whatshouldwedo?4.Itisnouse_______________________.5.Atagreenschool,students____________________________________________.Theyalsolearnhowto_______________________.6.Wecansavetheworldif______________________.thefarmerscan’tusethemtowatertheircropsspreadsovercitiesandvillagesusealotofoilandcausepollutionaswelltalkingaboutthingswecan’tdosaveenergyandrecycleathomerubbishwhichcanberecycledorusedagaincollectthewasteoreveryonestartstodosomethingCompletethepassagewiththecorrectformofthewordsinthebox.causeenemyfactorykilloilpollutespreadPollutionisourgreat_______.Pollutionfrom_______isadangertoourhealth,andmayeven_______people.Factoriessometimes_______rivers,andfarmerscannotusethewaterfortheircrops.Pollution_______overcitiesandvillages,andthat_______evenmoredanger.Carsinthestreetusealotof_______andcausepollutiontoo.enemyindustrykillpollutespreadscausesoilIt’snousedoingsth.做某事没有用处Suchas...比如说...Niceidea！好主意！