八年级英语下册-Unit-12-Western-China-Part-1重难点讲解-北师大版VIP专享VIP免费

Unit12WesternChina一.本周教学内容：Unit12Part1复习动词的现在完成时和一般过去时，复习使用therebe和have/has的使用。二.本周教学重点：1.复习现在完成时,一般过去时2.复习therebe和have/has的使用3.课文中的重点词组。三.具体内容：（一）1.现在完成时：现在完成时可以描述刚刚完成的动作,这时可以用just..ShehasjustreturnedfrominnerMongolia.Theyhavejustfinishedtheirvoluntaryservice.也可以描述从过去开始并持续到现在的动作或者描述经历.Ihavehadagreattime.Theyhavereadalot.2.两种时态的区分（1）一般过去时的谓语动词用过去式，而现在完成时的谓语基本构成是“助动词have/has+过去分词”。（2）一般过去时通常与表示过去的时间状语连用。如：yesterday,lastweek,twoyearsago,justnow,in2002等；而现在完成时则常与just,already,ever,never等副词和thesedays,thisweek,since...,for...等表示一段时间的状语连用。①Haveyouseenthefilm?（A）Didyouseethefilm?（B）[说明]你看过这部电影吗？（A）句强调的是被问者对剧情是否了解；（B）句强调的是看这部电影的动作是否发生过，并不强调是否知道其内容。②Howhashedoneit?(A)Howdidhedoit?(B)[说明]他是怎么做的这件事？（A）句强调的是他做这件事的方式对现在产生了某种影响；(B)句单纯地询问做这件事的方式。③HehaslivedinBeijingfor8years.（A）HelivedinBeijingfor8years.（B）[说明]他在北京住了8年。（A）句讲的是到目前为止他在北京住了8年，可能还会继续在北京住下去。（B）句讲的是他在北京住过8年，现在不在北京了。Ex.Readthepassageandcompleteditwiththecorrectformoftheverbs.LiNanwasborninHangzhou,ZhejiangProvince.Twoyearsago,he(graduate)frommedicalschoolatZhejiangUniversity.Thenhe(volunteer)toworkwiththeGoWestprogram.He(go)toInnerMongoliaAutonomousRegionand(work)asadoctor.Atfirst,heworkedveryhard.Buthe(feel)lonelybecausehe(be)alongwayfromhome.Sometimeshe(feel)likegivingup.Butafterashorttime,he(be)abletomakemanynewfriends.Peopletherewerekindandwarm-hearted.He(begin)toliketheplace.LiNanjust(complete)histwoyearsofvoluntaryserviceand(return)home.Hesaid,“I(learn)alot.It(be)ausefulexperienceforme.”（二）therebe和have/has的使用。专心爱心用心1.therebe表示某地有某物，某处存在某物，不表示所属关系。therebe后的名词是主语，主语后的介词短语为地点状语。Thereisaballinmyhand.Therearesomeapplesinthebasket.Isthereanywaterintheglass?2.have/has是拥有，占有的意思。它表示一种所属关系。Ihaveapeninmyhand.Idon’thaveanycar.Doyouhaveanycomputer?3.表示单位的组成，构成时，have和therebe可互换。Aweekhassevendays./Therearesevendaysinaweek.Ayearhasfourseasons./Therearefourseasonsinayear.Ex.Readthetextandcompleteitwiththewordsfromthebox.smallestregionprovincesdesertsresourcestouristsfewerWesternChinaWesternChinaisalargeandbeautifulregion.Itincludesonemajorcity,Chongqing,six,andfiveautonomousregion.ThesixprovincesareSichuan,Shanxi,Gansu,Yunnan,Qinghai,andGuizhou.ThefiveautonomousregionsareTibet,NingxiaHui,XinjiangUygur,GuangxiZhuang,andInnerMongolia.Amongalltheseprovincesandautonomousregions,XinjiangisthelargestandNingxiaistheregion.WesternChinahasanareaof5,400,000squarekilometers.Thisisabout56percentofthetotalareaofthecountry.However,therearemanymountains,highlands,and,andtherearefewerriversandlakesthanintheEast.Only22.8percentofthepopulationofChinalivesintheWest,farpeoplethanthoselivingintheEast.WesternChinahasalotofnatural.Itisrichinoilandgasandithasmanydifferentkindsofminerals.liketovisitthearea.Therearemanyfamousmuseums,ancientpalaces,tombs,andcaves,suchastheDazuMuseum,thePotalaPalace,theDunhuangCaves,andmanyotherbeautifulplacessuchasYunnanD...