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1、无忧无忧PPTPPT整理发布整理发布无忧无忧PPTPPT整理发布整理发布一、介绍你和家人上学或上班的方式。一、介绍你和家人上学或上班的方式。二、介绍你和朋友各自上学的方式。二、介绍你和朋友各自上学的方式。三、说一说你的上学路线。三、说一说你的上学路线。四、看图说说你怎样去电影院？四、看图说说你怎样去电影院？五、五、五、五、 Amy Amy 要去医院，在途中她向要去医院，在途中她向要去医院，在途中她向要去医院，在途中她向PolicemanPoliceman问问路，路，路，路，请请你展开想象，你展开想象，你展开想象，你展开想象，假如你是假如你是假如你是假如你是policemanpoliceman，
2、根据，根据，根据，根据图图片，描述下路片，描述下路片，描述下路片，描述下路线线的走法。的走法。的走法。的走法。 hospitallibraryschoolpost officeStart from herebookstorecinema参考例文：参考例文：参考例文：参考例文：My homeMy home is far. is far. Now let me tell you how to Now let me tell you how to come. You can go by the come. You can go by the No.12No.12 bus. Get off at th
3、e bus. Get off at the cinemacinema. Then walk . Then walk easteast for for three minutes. Turn three minutes. Turn leftleft at at the the bookstorebookstore, then go , then go straight. My home is straight. My home is behind the park, its on the behind the park, its on the right.right.无忧无忧PPTPPT整理发布
4、整理发布SaturdaySaturdaySundaySundayreadbooksreadbooks gogoshoppingshoppingwatchTVwatchTVgotothegotothecinemacinema请说说图中同学的一天的请说说图中同学的一天的 计划。这天是什么日子？计划。这天是什么日子？ 他的心情如何？他的心情如何？ 说说图片中的小女孩打算说说图片中的小女孩打算去去 哪里？和谁去？怎样去？哪里？和谁去？怎样去？ 什么时候去？什么时候去？无忧无忧PPTPPT整理发布整理发布单项选择单项选择1.()Ihaveanewwallet.Itsmybirthdaypresent_m
5、yaunt.a.forb.fromc.of2.()Nancy_atthebackofthebus,suddenlythebus_.a.sitted,stopedb.sited,stoppedc.sat,stopped3.()Heres_interestingbookforyou.a./b.anc.a4.()Wouldyoupleaseshow_howto_acake?a.me,makeb.us,makingc.we,making5.()We_readinthesun.Itsbadforour_.a.cant,earsb.must,eyesc.shouldnt,eyes无忧无忧PPTPPT整理发
6、布整理发布6.()What_isittoday?Its_.a.day,the6thofJuneb.date,onthe6thofJunec.date,the6thofJune7.()-Isthiscomb_?-Yes,itismine.a.yourb.yourcombc.yours8.()-Isthis_comb?-Yes,itismine.a.yourb.yourcombc.yours9.()Whoaretheytalking_?a.tob.aboutc.of10.()-Wassheathome?-_.a.Yes,hewas.b.Yes,sheis.c.Yes,shewas.无忧无忧PPTP
7、PT整理发布整理发布11.()_ishisfavouriteholiday?a.Whenb.WhatC.Who12.()In_word“pineapple”,wecanfindapineand_apple.a.a;anb.the;ac.the;an13.()Where_yougolastSunday?a.areb.werec.did14.()Wouldyoulike_icecream?a.anyb.manyc.some15.()Doyoulike_TV?a.watchingb.watchc.towatch无忧无忧PPTPPT整理发布整理发布一一:学生易错词汇学生易错词汇1.a,an的选择的选择
8、:元音字母开头的单词用元音字母开头的单词用an,辅辅音字母开头的单词用音字母开头的单词用a.2.am,is,are的选择的选择:单数用单数用is,复数用复数用are.I用用am,you用用are.3.have,has的选择的选择:表示某人有某物表示某人有某物.单数用单数用has,复数用复数用have.I,you用用have.无忧无忧PPTPPT整理发布整理发布4.thereis,thereare的选择的选择:表示某地有某表示某地有某物物,某人某人.单数用单数用thereis,复数用复数用thereare.5.some,any的选择的选择:肯定句用肯定句用some,疑问句疑问句和否定句用和否定句
9、用any.6.疑问词的选择疑问词的选择:what(什么什么)who(谁谁)where(哪里哪里)whose(谁的谁的)why(为什么为什么)when(什么时候什么时候)which(哪一个哪一个)howold(多多大大)howmany(多少多少)howmuch(多少钱多少钱)无忧无忧PPTPPT整理发布整理发布二二:形容词比较级详解形容词比较级详解当我们需要对事物作出比较时当我们需要对事物作出比较时,需要用到比需要用到比较级较级.比较级的句子结构通常是比较级的句子结构通常是:什么什么+动词动词be(am,is,are)+形容词比较级形容词比较级+than(比比)+什么什么,如如:Imtaller
10、andheavierthanyou.(我比你更高我比你更高和更重和更重.)Anelephantisbiggerthanatiger.(一只大象一只大象比一只老虎更大比一只老虎更大.)无忧无忧PPTPPT整理发布整理发布形容词的比较级是在形容词的基础上变化形容词的比较级是在形容词的基础上变化而来的而来的,它的变化规则是它的变化规则是:一般的直接在词尾加一般的直接在词尾加er,如如tall-taller,strong-stronger,以以e结尾的结尾的,直接加直接加r,如如finefiner,以辅音字母加以辅音字母加y结尾的结尾的,先改先改y为为i再加再加er,如如funny-funnier双写
11、最后的字母再加双写最后的字母再加er,如如bigbigger,thinthinner,hothotter注意注意比较的两者应该是互相对应的可比较的两者应该是互相对应的可比较的东西比较的东西.无忧无忧PPTPPT整理发布整理发布三三:动词过去式详解动词过去式详解动词的过去式的构成规则有动词的过去式的构成规则有:A,规则动词规则动词一般直接在动词的后面加一般直接在动词的后面加ed:如如worked,learned,cleaned,visited以以e结尾的动词直接加结尾的动词直接加d:如如lived,danced,used以辅音字母加以辅音字母加y结尾的动词要改结尾的动词要改y为为i再加再加ed(
12、此此类动词较少类动词较少)如如studystudiedcarrycarriedworryworried(注意注意play,stay不是辅音字母加不是辅音字母加y,所所以不属于此类以不属于此类)双写最后一个字母双写最后一个字母(此类动词较少此类动词较少)如如stopped无忧无忧PPTPPT整理发布整理发布B,不规则动词不规则动词(此类词并无规则此类词并无规则,须熟记须熟记)小小学阶段要记住以下动词的原形和过去式学阶段要记住以下动词的原形和过去式:singsang,eatate,seesaw,havehad,dodid,go-went,take-took,buy-bought,get-got,r
13、ead-read,fly-flew,am/is-was,are-were,say-said,leave-left,swim-swam,tell-told,draw-drew,come-came,lose-lost,find-found,drink-drank,hurt-hurt,feel-felt无忧无忧PPTPPT整理发布整理发布四四:动词现在分词详解动词现在分词详解动词的动词的ing形式的构形式的构成规则成规则:一般的直接在后面加上一般的直接在后面加上ing,如如doing,going,working,singing,eating以以e结尾的动词结尾的动词,要先去要先去e再加再加ing,如
14、如having,writing双写最后一个字母的双写最后一个字母的(此类动词极少此类动词极少)有有:running,swimming,sitting,getting无忧无忧PPTPPT整理发布整理发布无忧无忧PPTPPT整理发布整理发布无忧无忧PPTPPT整理发布整理发布六六:句型专项归类句型专项归类1.肯定句肯定句:是指用肯定的语气来陈述的句子是指用肯定的语气来陈述的句子,如如:Imastudent.Sheisadoctor.Heworksinahospital.Therearefourfansinourclassroom.Hewilleatlunchat12:00.IwatchedTVye
15、sterdayevening.无忧无忧PPTPPT整理发布整理发布2,否定句否定句:含有否定词或表示否定意义词的含有否定词或表示否定意义词的句子句子,如如:Imnotastudent.Sheisnot(isnt)adoctor.Hedoesnot(doesnt)workinahospital.Therearenot(arent)fourfansinourclassroom.Hewillnot(wont)eatlunchat12:00.Ididnot(didnt)watchTVyesterdayevening.无忧无忧PPTPPT整理发布整理发布注意注意小结小结:否定句主要是在肯定句的基础上否定
16、句主要是在肯定句的基础上加上了否定词加上了否定词not.有动词有动词be的句子则的句子则not加加在在be后面后面,可缩写成可缩写成isnt,arent,但但amnot一一般都分开写般都分开写.没有动词没有动词be的句子则要先在主要动词的句子则要先在主要动词的前面加上一个助动词的前面加上一个助动词(do,does,did),然后在它然后在它后面加上后面加上not,你也可以把它们缩写在一起如你也可以把它们缩写在一起如dont,doesnt,didnt).这三个助动词要根据人这三个助动词要根据人称和时态来选择称和时态来选择,其中其中does只用于一般现在时主只用于一般现在时主语是第三人称单数的情况
17、语是第三人称单数的情况,而而did只用于一般过只用于一般过去时去时,不论主语是什么人称和数不论主语是什么人称和数,都用都用did.无忧无忧PPTPPT整理发布整理发布3,一般疑问句一般疑问句:是指询问事实的句子是指询问事实的句子,此类句子必此类句子必须用须用yes,或或no来回答来回答.如如:AreyouastudentYes,Iam/No,Imnot.IssheadoctorYes,sheis./No,sheisnt.DoesheworkinahospitalYes,hedoes./No,hedoesnt.AretherefourfansinourclassroomYes,thereare.
18、/No,therearent.AreyougoingtobuyacomicbooktonightYes,Iam./No,Iamnot.(Yes,weare./No,wearent.)Willheeatlunchat12:00Yes,Iwill./No,Iwillnot(wont).AretheyswimmingYes,theyare./No,theyarent.DidyouwatchTVyesterdayeveningYes,Idid./No,Ididnt.无忧无忧PPTPPT整理发布整理发布注意注意小结小结:一般疑问句是在肯定句的基础上一般疑问句是在肯定句的基础上,把动词把动词be调到首位调
19、到首位,其他照写其他照写,末尾标点符号变末尾标点符号变成问号即可成问号即可.没有动词没有动词be的句子则要在句首加上一个助动词的句子则要在句首加上一个助动词(do,does,did)再把紧跟在后面的动词变回原形再把紧跟在后面的动词变回原形,末尾标点符号变成问号即可末尾标点符号变成问号即可.这三个助动词也要根据人称和时态来选择这三个助动词也要根据人称和时态来选择,其中其中does只用于一般现在时主语是第三人称单数的只用于一般现在时主语是第三人称单数的情况情况,而而did只用于一般过去时只用于一般过去时,不论主语是什么不论主语是什么人称和数人称和数,都用都用did.一般疑问句有个重要的原一般疑问句
20、有个重要的原则就是问和答要一致则就是问和答要一致,即问句里的第一个单词即问句里的第一个单词(助助动词动词)和简略答句里的这个词是一致的和简略答句里的这个词是一致的.无忧无忧PPTPPT整理发布整理发布4,特殊疑问句特殊疑问句:以特殊疑问词以特殊疑问词(what,where,who,which,when,whose,why,how等等)开头引导的句子开头引导的句子.此类句子应此类句子应该问什么就答什么该问什么就答什么,不能用不能用yes,no来回答来回答.如如:WhatisthisItsacomputer.WhatdoeshedoHesadoctor.WhereareyougoingImgoin
21、gtoBeijing.WhoplayedfootballwithyouyesterdayafternoonMike.WhichseasondoyoulikebestSummer.WhendoyouusuallygetupIusuallygetupat6:30.WhoseskirtisthisItsAmys.WhydoyoulikespringbestBecauseIcanplanttrees.HowareyouImfine./Imhappy.HowdidyougotoXinjiangIwenttoXinjiangbytrain.无忧无忧PPTPPT整理发布整理发布其中其中how又可以和其他一些
22、形容词连用组成特殊疑问词又可以和其他一些形容词连用组成特殊疑问词组用来提问组用来提问,如如:howmany(多少多少(数量数量),howmuch(多少多少(钱钱),howtall(多高多高),howlong(多长多长),howbig(多大多大),howheavy(多重多重)例句例句:HowmanypencilsdoyouhaveIhavethreepencils.HowmanygirlscanyouseeIcanseefourgirls.HowmanydesksarethereinyourclassroomThereare51.小结小结:howmany用来提问可数名词的数量用来提问可数名词的数
23、量,主要有以上三主要有以上三种句式搭配种句式搭配,Howmany+名词复数名词复数+doyouhave你有多少你有多少Howmany+名词复数名词复数+canyousee你能看见多少你能看见多少Howmany+名词复数名词复数+arethere有多少有多少无忧无忧PPTPPT整理发布整理发布七七:完全完全,缩略形式缩略形式:Im=Iamhes=heisshes=sheistheyre=theyareyoure=youaretheres=thereistheyre=theyarecant=cannotdont=donotdoesnt=doesnotisnt=isnotarent=arenotle
24、ts=letuswont=willnotIll=Iwillwasnt=wasnot总结总结:通常情况下通常情况下,m即即am,s即即is(但但lets=letus),re即即are,nt即即not(但但cant=cannot)无忧无忧PPTPPT整理发布整理发布八八:小学英语词汇不完全归类表小学英语词汇不完全归类表学习用品学习用品(schoolthings):pen钢笔钢笔pencil铅笔铅笔pencil-case铅笔盒铅笔盒ruler尺子尺子book书书bag包包comicbook漫画书漫画书postcard明信片明信片newspaper报纸报纸schoolbag书包书包eraser橡皮橡皮
25、crayon蜡笔蜡笔sharpener卷笔刀卷笔刀story-book故事故事书书notebook笔记本笔记本Chinesebook语文书语文书Englishbook英语书英语书mathbook数学书数学书magazine杂志杂志dictionary词典词典无忧无忧PPTPPT整理发布整理发布人体人体(body):foot脚脚head头头face脸脸hair头发头发nose鼻子鼻子mouth嘴嘴eye眼睛眼睛ear耳朵耳朵arm手臂手臂hand手手finger手指手指leg腿腿tail尾巴尾巴颜色颜色(colours):red红红blue蓝蓝yellow黄黄green绿绿white白白blac
26、k黑黑pink粉红粉红purple紫紫orange橙橙brown棕棕无忧无忧PPTPPT整理发布整理发布时间名词前所用介词的速记歌时间名词前所用介词的速记歌年月周前要用年月周前要用in，日子前面却不行。，日子前面却不行。遇到几号要用遇到几号要用on，上午下午又是，上午下午又是in。要说某日上下午，用要说某日上下午，用on换换in才能行。才能行。午夜黄昏须用午夜黄昏须用at，黎明用它也不错。，黎明用它也不错。at也用在明分前，说也用在明分前，说“差差”可要用上可要用上to，说说“过过”只可使用只可使用past，多说多练牢牢记，多说多练牢牢记，莫让岁月空蹉跎。莫让岁月空蹉跎。无忧无忧PPTPPT整
27、理发布整理发布Thereareforty-twostudentsinourclass.TherearealsotwoAmericanboys.TheyareJackandMike.Theyareourgoodfriends.TheylikewatchingTV,buttheydontlikeplayingbasket-ball.Theyoftengotoschoolbybike.AndIoftengotoschoolonfoot.ThereisoneEnglishgirlinourclass.HernameisLucy.Shelikesplayingbasketballandshealsoli
28、kesswimming.Sheusuallydoesherhomeworkintheevening.SheoftenwatchesTVonSaturdayafternoons.Sheismygoodfriend.AlloftheChinesestudentsareYongPioneer.根据短文内容，判断正（T）误（F）。（）1、Therearethirty-nineChinesestudentsinourclass.（）2、TherearetwoAmericangirlsandoneEnglishboyinourclass.（）3、JackandMikeareourgoodfriends.（
29、）4、JackandMikelikeplayingbasketball.（）5、LuckoftendoesherhomeworkonSaturdayafternoons.无忧无忧PPTPPT整理发布整理发布2Mrs.JonesisanAmericandoctor.SheisnowinChina.SheworksinachildrenshospitalinShanghai.Shelikesthechildrenandshelikestoworkforchildren.SheworkshardinthedaytimeandlearnsChineseintheeveningschool.Sheals
30、olearnsChinesefromtheChinesedoctorsandherChinesefriends.NowshecanspeaksomeChinese.ShecanreadandwritesomeChinese,too.ShesaysitsnoteasytolearnChinesewell.Mr.Jones,herhusbandisateacher.HeteachesEnglishintheNo.5MiddleSchool.HeworksfromMondaytoFriday.Heteaches3classeseveryday.根据短文内容，选择正确答案。()1、Mrs.Jonesi
31、s_.A.anEnglishteacherB.anAmericanteacherC.anAmericandoctor()2、Mr.Jonesare_A.inahospitalB.inamiddleschoolC.inChina()3、Mrs.Joneslearns_inaneveningschool.A.mathB.ChineseC.English（）4、Mr.Jonesworks_everyweek.A.fivedaysB.sixdaysC.threedays无忧无忧PPTPPT整理发布整理发布3Therearefourpeopleinthetwinsfamily.Theyarethetwi
32、ns,theirfatherandtheirmother.ThetwinsnamesareLucyandLily.Theyarefourteen.TheyareinthesameclassintheNO.1MiddleSchool.Theyareverygoodstudents.Theynotonlyworkveryhardbutalsosingverywell.Theywanttojointhemusicclub.Lucywantstoplaythepiano.Lilycanplaytheguitar.Theirfather,Mr.King,isateacher.HeteachesEngli
33、shinaschoolnearhishome.Theirmother,Mrs.King,isateacher,too.SheteachesChinese.Mr.andMrs.Kingareindifferentschools.Buttheyhavethesamehobby-playtheguitar(吉他吉他).根据短文内容，选择正确答案。根据短文内容，选择正确答案。()1.Mr.Kingisagood_.A.driverB.workerC.teacherD.farmer()2.Lilycan_.A.playthepianoB.drawhorsesC.playtheguitarD.playch
34、ess()3.Mrs.Kingisa_.A.mathteacherB.ChineseteacherC.EnglishteacherD.doctor()4.Theirparentswork_.A.inthesameschoolB.inadifferentschoolC.EnglishteacherD.indifferentschool()5.Thetwinsareinthe_MiddleSchool.A.No.5B.No.1C.No.4D.No.2无忧无忧PPTPPT整理发布整理发布JackandSallyarebrotherandsister.Theyaretwins.Theyliketosw
35、imandridebike.Theyliketoflykites,too.Theyoften(经常经常)runwiththekitesneartheriver.Thekitesareveryhigh.Theylookveryhappy(高兴高兴).Butnotalloftheirfavoritegamesarethesame.JacklikestoplayfootballandSallylikestoplaybasketball.Jacklikestojumphigh,hethinksitseasy,butSallythinksitsveryhard.Sallylikestomakesomet
36、hing,butJackcant.SallycansingwellandJackcanthrowtheyo-yoverywell.根据短文内容，判断正（根据短文内容，判断正（T）误（）误（F）（）1、JackandSallyarebrothers.（）2、Theylikeflyingkites.（）3、Theyoftenrunwiththekitesneartheriver.（）4、Jacklikesplayingbasketball（）5、Sallythinkshighjumpiseasy.（）6、Jackcantmakeanything.无忧无忧PPTPPT整理发布整理发布5MissLee
37、isonlytwenty-one.Sheistallandthin（瘦）（瘦）,andshehasbrown,longhair.Shelikeschildrenandherteachingwork.FromMondaytoFridayshestaysatschoolandgivesthechildrenclasses.Shehasmuchworktodo,butsheoftenplaysgameswithherstudentsafterschool.Thechildrenlikeherverymuch.OnSundayshedriveshercartoherfathershouseandsta
38、yswithherfatherandmother.SometimesshegoestoseeherfriendsonSunday.ShedrivesbacktoschoolonMondaymorning.Shelikessinging,dancingandswimming.Shesaniceteacher.根据短文的意思，选择正确的答案。根据短文的意思，选择正确的答案。()1.MissLeeisa_teacher.A.verygoodB.veryoldC.goodEnglishD.goodChinese()2.Whichisright?_A.Shehasnoworktodo,andoftenp
39、layswiththechildren.B.SheplayswiththechildrenfromMondaytoFriday.C.Shelikesherstudentsandplaysgameswiththem.D.Shealways(总是总是)works,butdoesntplayatall.()3.Shegoesandseesherfriends_.A.everydayB.onSundayC.onSaturdayD.onFriday()4.MissLeegoeshome_.A.inhercarB.onabusC.onfootD.byhercar()5.MissLeelikes_.A.dr
40、ivingB.cookingC.runningD.teaching无忧无忧PPTPPT整理发布整理发布MynameisSallyWhite.Iamaschoolgirl.Myschoolisfarfrommyhome.Everydayittakeslongtimetogetthere.Theroadisnotflat(平坦平坦).SoIcannotgotoschoolbybike.Ioftengotherebybusoronfoot.Ittakesmethirtyminutestogettherebybusandanhouronfoot.Imustgetupveryeverymorning.I
41、havenotimeforbreakfastathome.Iofteneatsomethingforbreakfastontheway.Idontwanttobelateforschool.根据短文内容，判断正（根据短文内容，判断正（T）误（）误（F）。）。Theschoolisntneartoherhome.（）1、Thegirlcangotoschoolbybike.（）2、Ittakesherthirtyminutestogettoschoolbybike.（）3、Thegirlgetsupveryearlyeveryday.（）4、Sheoftenhasbreakfastathome.
42、无忧无忧PPTPPT整理发布整理发布MynameisJack.IamapupilofGradeOne.IminNo.1MiddleSchool.OnweekdaysIgetupatsixoclock.IhavebreakfastatsevenandthenIgotoschoolbybike.Webeginourclassateightoclockinthemorning.Wehavefourclassesinthemorningandthreeintheafternoon.Atnoon,Ihavelunchathome.Classesareoveratfourfifteenintheafter
43、noon.Afterclass,weoftenplayfootballintheafternoon.Igohomeataboutfive.Ihavesupperataboutsixthirtyintheevening.Idomyhomeworkatseventhirty.Atweekend,IwatchTV.Ioftengotobedatten.Imveryhappy.根据短文的意思，选择正确的答案。根据短文的意思，选择正确的答案。（）1.Jackisapupilin_.A.ClassOneB.GradeOneC.ClassTwoD.GradeTwo（）2.Jackgetsupat_inthe
44、morning.A.fiveB.sixC.sevenD.eight（）3.Afterclasstheyoftenplay_ontheplayground.A.volleyballB.basketballC.footballD.ping-pong（）4.JackoftenwatchesTVon_.A.MondayB.ThursdayC.SundayD.Tuesday（）5.Whichistrue(真实的真实的)？_.A.jackisagoodboy.B.Jackhashislunchatschool.无忧无忧PPTPPT整理发布整理发布BillisanEnglishboy.heistwelve.
45、Helives(住住)withhisfamilyinChina.Therearefourpeopleinhisfamily.theyrehisfatherJackClinton,hismotherCatherineandhislittlesisterAbby.Hehasayellowdog.ItsnameisBarbi,Hisfatherismendinghisbike.WhatisBilldoing?Ah,heisdoingChinesehomework.HecantspeakChineseverywell,buthelovesChineseverymuch.Billsfatherworks
46、inmiddleschool.HesanEnglishteacher.HismotherisinaTVfactory(工厂工厂).Billandhissistergotothesameschool.根据短文内容，判断正（根据短文内容，判断正（T）误（）误（F）。）。（）1、BillsmotherisaEnglishteacher.（）2、Billsfatherismendinghiscar.（）3、Barbiisacat.（）4、Billandhissisterareinthesameschool.（）5、BillsfamilyisinChinanow.无忧无忧PPTPPT整理发布整理发布Wh
47、ereIsMyCat?MrBlacklikesfishverymuch.Heoftenbuyssomefishintheshopandtakesthemhomeforsupper.Hiswife,MrsBlackoftenasksherfriendstotheirhometohavelunchandeatfish.Oneday,whenMrBlackcomeshomeintheevening,hecannotfindhisfish.AndMrsBlacksaystheircathaseatenthefish.MrBlackisveryangry.HEtakesthecattotheshopne
48、artheirhousetoweighthecat.HEsays,”Yousee,myfishisonekilo,andthiscatisonekilo,too.Myfishishere.Thenwhereismycat?”快速判断：1.MrBlacklikestoeatcatverymuch.()2.MrsBlackofteneatsfishwithherfriend.()3.Thecatisonekilo.()4.Thecatatethefish.()无忧无忧PPTPPT整理发布整理发布WhoIsHe?Tomson:Jack,Ihaveariddle.Canyouguess?Jack:OK.Whatsit?Tomson:Pleasetellmewhoheis:Heisnotmybrother,andnotismysister,butheisachildofmyparents.Jack:Idontknow.Tomson:Ha-ha,itsveryeasy.Itsme.快速判断：快速判断：1.Tomsonhasariddle.()2.Jackunderstandthedifficult.()3.Thisriddleisverydifficult.()4.JackcantanswerTomsonsquestion.()
