中考英语知识梳理课时十八上Unit4.ppt

,课时十八年级（上）Unit4,考点自主梳理,重难点知识讲练,中考真题展示,目,录,CONTENTS,考点自主梳理,1,重难点知识讲练,2,知识点一protect,v.保护及物动词，其后接名词或代词作宾语，可用于被动语态。,protect.fromsth.=protect.against（doing）sth.保护使免受,【常用搭配】,Wearingsunglassescanprotectyoureyesfromthesun.戴太阳镜可以保护眼睛免受太阳的伤害。,注意：与protect用法相似的还有prevent，keep和stop，但是意义不同。prevent/keep/stopsb.fromdoingsth.阻止某人做某事；阻止某事的发生,Theheavysnowkeptusfromarrivingontime.大雪导致我们没能准时到达。,【现学现用】,（）1.Weshouldprotectchildren_anythingwhichdoesharmtotheirbodyandmind.A.fromB.toC.inD.for（）2.Thegovernmentencouragedpeopletodowhatevertheycanto_nature.A.provideB.protectC.preventD.pollute,A,B,【词语辨析】information/message/news,n.资料；信息,知识点二information,答案,（）1.Ihaveagood_totellyou，Mom.Ihavepassedtheexam.A.informationB.messageC.newsD.knowledge（）2.Thereislotsof_ontheInternet.Weshouldchoosecarefully.A.informationB.messagesC.newsD.knowledge,B,A,知识点三pleasure,n.快乐，愉快，满意,mypleasure意为“不客气，很乐意效劳”，是对别人表示感谢的一种礼貌回答。withpleasure意为“当然了，很愿意”，表客气地接受或同意。,【常用搭配】,【词语辨析】pleasure/please/pleased/pleasant,1.旅行是我最大的乐趣之一。Travellingisoneofmygreatest_.（）2.Theweatherinspringisvery_.Itssuitableforgoingout.A.pleasureB.pleaseC.pleasedD.pleasant,pleasure,D,【词语辨析】expensive/cheap/high/low,adj.便宜的，廉价的,知识点四cheap,注意：对价格的询问有：1.Howmuchis.？2.Whatisthepriceof.？,1.Themodelplaneisvery_.Icantaffordit.2.Thesebooksareso_.Iwillbuysomeformyself.3.Thepriceofthewhitephoneis_thantheblackone.Idonthavesomuchmoney，soIwillchoosetheblackone.4.Thepriceofhousesis_thanbefore，butIstillcantaffordone.,expensive,cheap,higher,lower,答案,知识点五die,v.死，死亡,【词语辨析】die/dead/death/dying,Hisgrandfatherdiedtwoyearsago.=Hisgrandfatherhasbeendeadfortwoyears.他祖父已经去世两年了。Thedeathofthefiremenmadelotsofpeoplesad.消防员的死让许多人都很伤心。Thereisadyingbirdhere.这儿有一只将死的小鸟。,（）Thelittleboycriedwhenheknewthathiscutedog_.A.deathB.diedC.dyingD.death,答案,B,知识点六lookup,查阅,【词语辨析】lookup/lookfor/find/findout,Ilookedthiswordupinthedictionary.我在字典中查过这个词。WelookedforJackeverywhere，butwedidntfindhim.我们到处找Jack，可是没有找到他。Itshardtofindagoodjobhere.在这儿很难找到一份好工作。Couldyouhelpmefindoutwhentheplanetakesoff？你能帮我查清楚飞机几点起飞吗？,（）1.Please_thenewwordsinadictionary.Andwewilllearntheminthenextclass.A.findinB.lookoutC.lookupD.findout（）2.Mr.Brownis_hisbike，buthecant_it.A.lookingfor；findB.lookingat；findC.seeing；lookforD.finding；lookfor,C,A,知识点七playapartin,Theyplayanimportantpartincontrollingtheclimate.它们对调节气候起到了重要作用。,Withthedevelopmentofscienceandtechnology，computershaveplayedanimportantpartinourdailylife.随着科技的发展，电脑在我们的日常生活中起着很重要的作用。,句中的playapartinsth.意为“在某事中起作用；参与某事”，相当于playaroleinsth.。part前常加形容词进行修饰，如：important，leading等。,（）Letusplayapart_thisproblem.Itisveryinteresting.A.discussB.todiscussC.indiscussingD.Discussing,答案,C,中考真题展示,3,1.（2015南宁，31）Nothingis_thanriding.Ilikeitbest.A.enjoyableB.moreenjoyableC.mostenjoyableD.themostenjoyable,【解析】本题考查形容词的比较级。句意为：没有比骑车更令人愉快的了。我最喜欢骑车了。由“than”可知，应用比较级。,【答案】B,解析,答案,2.（2014上海，33）Airpollutionhasbecome_thaneverbefore.Wemustdosomethingtostopit.A