人教版八年级上册上英语unit7详细知识点

第1页共4页Unit7Willpeoplehaverobots?SectionA1.Peoplewon’tusemoney.①Everythingwillbe②free.一切都将免费的。【解析1】everythingpron.每件事物Everythingispossible.一切皆有可能【注】不定代词的用法：(1)不定代词做主语，谓语动词用单数()—_____everythingOK,Lucy?—No,myEnglishisnotasgoodasChinese.A.IsB.DoesC.AreD.Do(2)形容词修饰不定代词时，放在不定代词之后Thereisnothingserious没什么要紧的。【解析2】freeadj.(1)免费的Childrenunderfivearefreeonbuses.(2)自由的befree=havetime2.Bookswillonlybeoncomputer,notonpaper.书将只会在电脑上出现，而不是在纸上。【解析】papern⑴纸张（不可数名词）apieceofpaper一张张twopiecesofpaper两张纸⑵“试卷；论文；报纸(newspaper)时，是可数名词atestpaper一张试卷anewspaper一张报纸papermoney纸币papertiger纸老虎()Hehadsomethingtowritedownandaskedmefor____.A.apaperB.somepapersC.somepiecesofpapersD.apieceofpaper3.Therewillbelessfreetime.将会有更少的时间。【解析】little→less→leastadj.少的（修饰不可数名词）lessthan少于4.Willtherebefewertrees?树木会更少吗？【解析】few→fewer→fewestadj.较少的（修饰可数名词复数【辨析】：more，less和fewer原级many/muchfewlittle比较级morefewerless词义较多的，更多的较少的，更少的较少的，更少的用法修饰可数和不可数名词仅修饰可数名词仅修饰不可数名词例词morecars;morewaterfewermen;fewerbookslessmilk;lessmoney5.Therewillbemorepollution.将会有更多的污染。【解析】pollutev→pollutionn污染（不可数名词）airpollution空气污染noisepollution噪音污染waterpollution水污染whitepollution白色污染Look!The__________________(pollute)isbecomingworseandworseinthiscity.6.Willpeopleusemoneyin100years?【解析】“in+一段时间”“在……以后”用于一般将来时对“in+一段时间”提问，用howsoon(多久以后)提问()①MymotherhasgonetoHongKong.Shewillbeback____aweek.A.afterB.forC.inD.from()③—Howsoonwillyoucomeback?—______aweek.A.AfterB.InC.BeforeD.For7.Ithinktherewillbemoretallbuildings.我认为将会有更多的高楼大厦。【解析】build→built→builtv→buildingn建筑()Wehavebeenplanning____abridge.第2页共4页A.buildB.tobuildC.buildingD.tobuilding8.Therewillbe（more/less/fewer）pollution.将会有更多/更少的污染【解析】Therebe句型的将来时态：(1)Thereisgoingtobe(2)Therewillbe…9.Doyouthinktherewillberobotsinpeople’shome.【解析】inpeople’shome在家里10.Therewillbefewertreesandtheenvironmentwillbeingreatdanger.【解析】dangern危险→dangerousadj.危险的indanger“处于危险中”【反义词】outofdanger“脱离危险”Thoughmanyoftheyoungpeoplehasrealized_________,theydon’twanttogiveupsmoking.(吸烟的危害)【拓展】inneed急需；introuble处于困境infact事实上infear害怕11.Willwehavetomovetootherplanets?【解析1】haveto“必须”，后接动词原形，强调被迫性，有人称和数的变化。否定形式：don’thaveto/didn’thaveto=needn’t【解析2】moveto+地点搬到某地（如果接地点副词，to要省略）Hemovedtherelastyear.12.Bookswillonlybeoncomputer.notonthepaper.书籍将只（存储）在电脑上，而不是（印刷）在纸上。【解析】oncomputer用计算机，通过计算机on的用法：on+电器或媒介onTV通过电视onthephone在电话中ontheradio通过无线电ontheInternet在网上【解析】livev居住，生存，活着(1)livetobe+基数词+yearsold“活到……岁”()Heissuretolive____ninetyyearsold.A.toB.tobeC.inD.AandB(2)liveonsth.“靠……为生”liveonsb.靠某人生活(3)liveby靠……(手段)谋生()Theoldmanlives____teach。A.inB.onC.byD.with(4)livein+地点居住在某地(5)liveon+具体某一层Helivesontheeighteenthfloor.()—Wheredoyoulive?—Ilive__thetenthfloor____thetallbuilding.A.in;inB.in;onC.on;inD.in;by14.ButIwanttoliveontheearth.但是我想住在地球上。【解析】ontheearth在地球上【注】世界上独一无二的事物前必须加定冠词theonearth究竟，到底()Theteachersaid_____earthmovesaround_____thesun.A.an;aB.an;theC.the;theD.a;a15.Wecanuselesswaterandplantmoretrees.Everyoneshouldplayapartinsavingtheearth.【解析1】planttrees植树【解析2】playapartinsth/doingsth参与做某事16.Isometimesseeblueskiesinmycity,butinthefuture.我有时在我们的城市看到我们的蓝天，但是在未来....【解析】futuren“将来，未来”。inthefuture在将来，用于将来时态infuture=fromnowon从今以后inthefuture在将来；在未来指距离现在时间较长的某一时间IthinkIwillbealawyerinthefuture.infuture今后；以后指距离现在时间较短的将来的某一时间，相当于fromnowonIwillworkhardinfuture.第3页共4页【记】长（inthefuture）的长（距离现在时间长）短（infuture）的短（距离现在时间短）()—Whatdoyouwanttobe____whenyougrowup?—Anactor,Ithink.A.infutureB.inthefutureC.atthefutureD.onthefuture17.Familiesusuallyspendtimetogetheronweekends,butmaybein200years…家庭成员通常在周末共度时光，但或许在200年后……【解析】in+时间段“在……之后”，常用于一般将来时对“in+时间段”提问用howsoon,“多久以后”SectionB&SelfCheck1.onaspacestation.在太空站(1)space不可数名词，“空间，太空”inspace在天空(2)room可数名词，“房间”不可数名词，“空间”()—Thereisn’tenough____forusinthelift.—Nohurry.Let’swaitforthenext.A.groundB.floorC.placeD.room(3)place可数名词，指某一具体“地方，地点”()—Isthereany_____forme?Iwantagood_____.—Thisway,pleaseA.space;roomB.room;spaceC.place;roomD.room;place2.Forexample,scientistJamesWhitethinksthatrobotswillneverbeabletowakeupandknowwheretheyare.比如，科学家詹姆斯。怀特认为机器人不能够自己醒来并知道自己身在何处。【解析】beableto/can能(1)beableto能够，会，后接动词原形有人称、时态和数的变化We’reable______________(have)ourownrobots.(2)can情态动词，无人称和数的变化，过去式could3.However,theyagreeitmaytakehundredsofyears.然而，他们一致认为这可能要花费数百年的时间。【解析1】agreev同意→agreementn同意(1)agreewithsb.“同意某人”或“某人的意见看法”(2)agreetodosth.同意做某事Iagreetomeethimtomorrow.(3)agreeon+计划“就……取得一致意见”【解析2】hundred百thousand千million百万+n复数hundredsof+n复数thousandsof+n复数【记】：具体不加s也不加oftwohundredstudents不具体的加s，也加ofhundredsofstudents4.Theyhelpwiththehouseworkanddojobslikeworkingindirtyordangerousplaces.它们帮着做家务，以及做一些在肮脏或是危险环境中从事的工作。【解析】helpv帮助→helpfuladj.有帮助的(1)helpsb.dosth.=helpsb.withsth.帮助某人做某事(2)withthehelpofsb.=withone’shelp在某人的帮助之下(3)withoutthehelpof没有在…的帮助之下(4)can’thelpdoingsth情不自禁的做某事(5)helponeselfto请随便吃【解析2】⑵dohousework=dochores作家务Mrs.Whitedoesalotof___________________(housework)everyday.第4页共4页5.Scientistsarenowtryingtomakerobotslooklikehumansanddothesamethingsaswedo.【解析1】tryv试图，努力，尽力做某事tryon试穿tryout试用haveatry=wantago试一试(1)trytodosth尽力做某事(2)trydoingsth试图做某事(3)tryone’sbesttodosth=doone’sbesttodosth竭尽全力做某事【解析2