求实英语作业

第一章主系表1、我姐姐在那吗？她和谁在一起？2、我妈妈没在家，她和街坊出去了。3、那本书怎么样？她在你的手里吗？4、这个是我的，那些是给谁的？5、SamSterm根本没在这儿，他每天在二楼办公6、他是干什么的？他不是经理吗？7、你的小狗在哪儿？它在什么里边？8、这是谁的办公室？里边有人吗？那间办公室是你的？9、我的电话出了毛病，手机在哪儿？10．电视开着呢，把它关上吧！11、我的备件没有在你的电脑里吗？12、这是干什么用的呢？13、我的手机昨天就在这方着呢！14、这个书包是谁的？那是谁的书包？我的在这儿！她的呢？15、这本字典不像是我的，但那本像。答案：Ismysisterthere?Whomisshewith?Mymotherisnotathome,sheisoutwithsomeneighbors.Howisthatbook?Isitinyourhand?Thisisforme,whomarethosefor?SamStermisnothereatall,heisatworkonthe2ndflooreveryday.Whatishe?Isn’themanager?Where’syourdog?whatisitin?Whoseofficeisthis?Isanyonein?Whichofficeisyours?Somethingiswrongwithmytelephone,whereisthecellphone?TheTVison,turnitoff!Isn’tmycopyinyourcomputer?whatisthisfor?Mycellphonewasrighthereyesterday.whoseisthisbag?whosebagisthat?Mineishere,whereishers?Thisdictionaryisnotlikemine,butthatoneis.第二章：主谓宾他整天没地方去也没事干。她天天在哪儿吃午饭？你怎么不和他们一块来？王芳有姐姐吗？为什么他总是听你的而不听我的？我不知道他了解你多少？你非常了解他吗？你们每周怎么去那儿？李玫不知道那事儿，但我知道。每天下班后，Tod都载我回家。这些小狗都叫什么？它的名字事Tian-Tian那只叫Xiao-hu。他准时上学并及时做作业。没人相信他，因为他经常撒谎。他太丢人了。你妈把我的手表放什么里边了？我像他，但却不喜欢他。你这么辛苦工作是为什么？答案：Hegoesnowhereandhasnothingtodoeveryday.Wheredoseshehaveluncheveryday?Whydon’tyouoftencomewiththem.DoseWangfanghaveanysisters?Whydosehealwayslistentoyou,butdoesn’tlistentome?Idon’tknow.Howmachdoseheknowyou?Doyouknowhimverywell?Howdoyougetthereeveryweek?Limeidoesn’tknowthatbutme.Todpicksmeuphomeaftereveryday.Whatarethesedogs’names?ItsnameisTian-Tian,thatiscalledXiao-HuHegoestoschoolontimeanddosehishomeworkintime.Nobodybelieveshimbecauseheoftentellslie.Heisveryshameful.Whatdoseyourmotherputmywatchin?IamlikehimbutIdon’tlikehim.Whatdoyouworkhardfor?第三章：过去时你去年经常拜访他们吗？三年前你对这种工作有多少经验？我没有及时告诉她，因为我病了。我上周就认识他了，可他却一点儿也不了解我。昨天你和王先生在哪？你见过那个新来的老板了吗？去年她像妈妈，可今年谁也不像。谁问我有关学习的事来者？爸爸昨晚没有责怪我。昨天你在哪儿听到的那个消息？我是从报纸上看到的。我的电脑又出毛病了、昨天我很紧张，你呢？我们的值日生昨天擦黑板了吗？今天上午李先生出什么事儿了？由于贫穷他去年就辍学了，我们明天去看看他吧！第三章：答案Didyouoftenvisitthemlastyear?Howmuchexperienceinthiskindofworkdidyouhave3yearsago?Ididn’ttellhimintimebecauseIwasill.Ikenwhimlastweek,buthedidnotknowmeatall.WherewereyouwithMrWangyesterday?Haveyouseenthatnewboss?Shewaslikehermotherlastyear,butsheislikenoonethisyear.Whohasaskedsthaboutmystudy.Ourfatherdidnotscoldmelastnight.Wheredidyouhearthatnewsyesterday?Ireaditfromthepaper.Sthwaswrongagainwithmycomputer.Iwasverynervousyesterday,andhowwereyou?Didourstudentondutycleantheblackboardyesterday?WhathappenedtoMrLithismorning?Hequitschoollastyearbecauseofbeingpoor.Let’sgotoseehimtomorrow.第四章：不定式一言难尽！（一句话说不清楚）他昨天忘记带语文课本了。你喜欢和谁在一起？谁喜欢和你在一起？谁要做这件荒唐的事儿？在家读书和写作是我今天的计划。我还没决定要和谁一起去。他们知道何时出发吗？什么时候出发无所谓，问题是去什么地方。困难的是如何能准时到达那里。听到要回家乡过年使她非常高兴。和他在一起工作使我们的情绪非常高涨。天变凉了，睡在这儿太冷。我决定当一名出色的律师。难道你没发现她要生气？男人爱潇洒，女人爱漂亮。第四章：答案：Itishardtosay.(withoneword)HeforgottobringhisChinesehomeworkyesterday.Whomdoyouliketobewith?Wholikestobewithyou?Whowantstodosthfantastic?Toreadandwriteathomeismyplantoday.Ihaven’tdecidedyetwhomtogowith.Dotheyknowwhentosetout?Whentosetoutdoesn’tmatter,thequestioniswheretogo.Whatishardishowtogetthereontime.Itmakesherveryhappytoheartospendthenewyearinherhometown.Toworkwithhimmakesusinhighspirits.Theweatherisgettingcold,tosleephereisverycold.Idecidetobeanexcellentlawyer.Don’tyoufindhertodeanger?Menliketobehandsome.Womenliketobepretty.第五章：therebe地上有水吗？那儿有多少水？办公室里有几台电脑？什么里边有邮票？Tom的书包里有面包吗？这里不该有学生，他们这时候应该在教室里学习。去年家里哪儿有旧书？什么在桌上？桌上有什么？明年我校将有40个班和100个老师。那儿一定有餐厅吗？过去这个村庄前面有一条小河。为什么二月份只有28天？从前有座山，山里有座庙。哪儿有好老师我就到哪去学。咱们学校什么时候有过实验室呀？只有不良的教育，没有不好的学生。第五章：答案：Isthereanywaterontheground?Howmuchwatchisthere?Howmanycomputersarethereintheoffice?whatarethereanystampsin?IsthereanybreadinTom’sbag?Hereshouldn’tbeanystudents,theyshouldbestudyingintheclassroomnow.Wherewerethereanyoldbooksathomelastyear?Whatisonthedesk?Whatisthereonthedesk?Therewillbe40classesand100teachersinourschoolnextyear.Musttherebeanyrestaurants?Thereusedtobeariverinfrontofthisvillage.whyarethereonly28daysinFeb?Therewasahilllongbefore,andtherewasatempleonit.I’llgotostudywheretherearesomegoodteachers.whenhavetherebeenanylaboratoriesinourschool?Thereisonlyapooreducation,buttherearen’tanypoorstudents.NOPOORSTUDENTSBUTPOOREDUCATION第六章：定语王芳手里的那本旧书太贵了。桌子上边的纸箱装满了碎玻璃。树上的年鸟儿成双对。昨天的工作没完成，明天的计划又来了。戴着眼睛的人是来自北京的教授。他喜欢的收音机旧的都没法听了。像Tim的那个男孩儿昨天来了吗？家里的电脑比这台容量大。像这种带有更多插图的书都在阅览室里。你告诉我的事儿对我而言非常重要。现在还有带橡皮的铅笔吗？和我哥哥在一起的人是我姐夫。你去过他提到的那个城市吗？没有水的季节是农民最苦的日子。她脸上的泪水感动了那里的人。第六章：答案Thatoldbookinwangfang’shandisveryexpensive.Thepaperboxonthedeskisfullofbrokenglass.Thebirdsintreesareinpairs.Theworkyesterdaywasnotfinished,andtheplantomorrowiscoming.ThepersonwithglassesistheprofessorfromBeijing.Theradiohelikesistootolistento.DidthatboylikeTomcomeyesterday?Thecomputer(at)homehasmorecapacitythanthisonehere.Thebookwithmorepictureslikethisareallinthereadingroom.Sthyoutoldmeisveryimportantforme.Arethereanypencilswitharubberatpresent?Themanwithmybrotherismybrotherinlaw.Haveyoubeentothatcityhementioned?Theseasonwithoutanywateristhehardestdaysforthefarmers.Tearsonherfacemovedthepeoplethere.第七章：祈使句她胆子小，别吓唬她！递给我那本书，我该学习了。别不好意思，再虚心点儿！在你走之前，先到我这儿来一下！别这么看着我！我很紧张。呆在这儿！哪儿也别去？做个好孩子，别跟Tom学！不要放弃你的事业！别嫌弃你妈妈，她为你不容易。好好做人，当个人民的好律师。少说多干！别犹豫了！快走吧！这道菜看着挺好，吃着会怎么样？那个男孩子乍一看倒是挺潇洒。为什么这首歌听起来像京戏？你不像你哥哥，至少长得不像。看上去他一本正经，实际上他什么也不是。那块布料手感怎么样？第七章：答案：Don’tfrightenher!Sheisshy.Passmethatbook!It’stimeformetostudy.Don’tbeshy!Bemoremodest!Cometomebeforeyougo!Don’tlookatmeinthisway!Iamverynervous.Behere!Don’tgotoanywhere!Beagoodchild!Don’tdoanythinglikeTom!Don’tquityourcause!Don’tdislikeyourmother!Sheisnoteasyforyou.Behaveyourself!Beacompetentlawyerforthepeople.Speaklessanddomore!Don’thesitate!Hurryuptogo!Thisdishlooksnice,howdoesittaste?Thatboylookshandsomeatfirstglance.WhydoesthesongsoundlikeBeijingcpera?Youarenotlikeyourbrother,andyoudon’tlooklikehimatleast.Helooksserious,butheisnothinginfact.Howdoesthatclothfeel?第二册：第一章：代词、介词你不是我，你不知道我的感受。他是我最好的朋友，我的就是他的，他的也是我的。我们都有计算机，你用谁的？我的正常，谁的坏了？它们之中的一个、任何一个、少数、几乎没有、四分之一、一半、多数、一个没有。75个之中的51个是我们的吗？两者全部、两者都不、两者之中的任何一个什么在屋里和屋里有什么不同。我们班有30个学生，每个学生都非常努力。其中没有女生。家里的电脑过时大约有三年了。你对我当老师不感兴趣吗？不但名名词可以做介词的宾语，介词短语也可以放在介词之后。你不想听听我是为谁好吗？我本身根本就不想和他在一起。我属于你的，谁属于我的？！第一章：答案：Youarenotme,andyoudon’tknowmyfeelings.Heismybestfriend.Mineishis,andhisisminetoo.Wehavecomputer,whosedoyouuse?Mineisnormal,whoseisbadOneofthem,anyoneofthem,afewofthemoralittleofthem,fewofthemorlittleofthemaquarterofthem,ahalfofthem,mostofthem,noneofthem.Is51of75ours?Bothofthem,neitherofthem,eitherofthem“Whatisintheroom?”isdifferentfrom“Whatisthereintheroom”.Wehave30students.Eachofthemworkshard.Noneofthemaregirlstudents.Thecomputerathomehasbeenoutofdateforabout3years.Aren’tyouinterestedinmybeingateacher?Notonlynounsmayactasobjectsofproposition,butalespropositionphrasesmaybeputafterpropositions.Don’tyouwanttolistentowhomIdoitfor?I,myselfdon’tliketobewithhimatall.Ibelongtoyou,butwhobelongstome?!第二章：begoing明天她要去那所培训学校？当我发现这个问题的时候，他们正在外地游山玩水。我给他打电话，他也正在给我拨。她刚要出门，妈妈就回来了。明天的天气怎么样？谁要来？他来干什么？他和谁来？如果他再提起此事，你还去不去？你待会儿和谁去复印？两个小时以后，Tod抵达这里。你到底相当一个什么样的学生？第二章：答案：Whichtrainingschoolisshegoingtotomorrow?Theywereenjoyingthemselvesattheotherplacewhenwefoundthisproblem.Iamcallinghimwhileheisdialingme.Sheisgoingoutwhenhermothercameback.Howisitgoingtobetomorrow?Who’scoming?Whatishecomingfor?Whomishecomingwith?Whetherareyougoingifhementionsitagain?Whomareyougoingtocopywithlater?Todisarrivingherein2hours.whatkindofastudentaregoingtobeafterall?第三章：将来时受过培训之后我们可以工作吗？下次演讲在哪里进行？明天开会将会用我们三个小时。昨天小王来得时候，你在做什么？明天下午五点咱们在哪见面？姐姐病了，下午还得去上班。我父亲明年三月退休。昨天28号，今天29号，明天30号。后天是1号吗？昨天我到那儿的时候，妈正给我打电话呢！这场电影应该还得演20分钟。第三章：答案：Shallweworkafterbeingtrained?WherewillthenextLecturebeheld?Itwilltakeus3hourstohavethemeetingtomorrow.WhatwereyoudoingwhenTomcameyesterday?whereshallwebemeetingat5tomorrowafternoon?Mysistergetill,andshehastogotoworkintheafternoon.MyfatherwillretirenextMarch.Itwastwenty-eighthyesterday.Itisthetwenty-ninthtoday.Itwillbethethirtiethtomorrow.Willitbefirstthedayaftertomorrow?OurmotherwascallingmewhileIwasgettingthereyesterday.Thefilmshouldlast20minutes.第四章：完成时：他爷爷去世二十年了，你见过那位善良的老人吗？那位阿姨曾经是个漂亮的姑娘。这间房曾是一位名人的办公室可现在是我们的住处。你擦黑板了吗？我刚才擦了。去之前你们打电话了吗？我妈给我买新书包了，她昨天买的。Hao已经来了，Tom也快来了。他当了近20年的律师，已经有了非常丰富的法学经验。我已经向他们表示谢意了。既然他们签了那份购物合同，下周就不出差了。直到上个月，他们才完成了去年的计划。吃了吗？还没！晚一会再吃。第四章：答案：Hisgrandfatherhasbeendeadfor12years.Hadyouseenthatkindoldman?Thatauntyhasbeenaprettygirl.Thatauntyusedtobeaprettygirl.Thehousehadbeentheofficeofafamousman,butnowit’smydwelling.Haveyoucleanedtheblackboard?Yes,Ididitjustnow.Hadyoumadeacallbeforegoing?MyMumhasboughtmeanewbag,sheboughtityesterday.Hao’scome.=Haohascome.Tom’scoming.Hehasbeenlawyerfornearly20years,andhehashadrichexperienceforlaw.Ihavethankedthem.sincetheyhavesignedthatpurchasecontract,Theywillnotsetoutnextweek.Theyhadfinishedtheplanoflastyearbytheendoflastmonth.Haveyoueaten?No,notyet!I’lleatlater.第五章：情态动词：她一个人敢去那儿吗？在前边走的那个人一定是他。快点儿！姐姐一定正等这你呢！他应该在办公室呀！Jam肯定是被调走了。王芳可能正在来这儿的路上。他们家一定有不少好书。学英语不会用你三年的时间。你太年轻，尚还不能闯荡江湖。难道你不需要进一步深造吗？能高兴点吗？谁能忍受你这忽冷忽热的脾气？第五章：答案：Dareshegotherealone?Doesshedaretogotherealone?Thepersonwalkingaheadmustbehim.hurryup!Oursistermustbewaitingforyou.Heshouldhavebeenintheoffice.Jammusthavebeentransferred.Wangfangmaybeonthewayhere.Theremustbeagoodmanybooksinhisfamily.Itcannottakeyou3yearstolearnEnglish.You’retoyoungtogotoseetheworld.Needn’tyoutakeupyouradvancedstudies?Canyoubehappy?Whocanbareyoueccentriccharacter?第六章：比较级：这本书看上去不比那本难。个子高一些的女孩儿未必就是模特。他比我富有，我比他快乐。看！那辆宝马比我们的跑的快，但我们的却比那辆宝马新。北京的天气比上海的干燥吗？我们班的学生和那个班的一样多。他看着比实际上潇洒的多。Tod比我高一点儿，那他比谁高的多呢？最难的试题在这儿，较难的在稍胖一点儿的男孩手里。天安门广场是世界上最大最宏伟的广场之一。第六章：答案：Thisbookdoesn’tlookmoredifficultthanthatone.Thetallergirlsmustn’tbemodels.HeisricherthanIam,butIamhappierthanheis.Look!ThatBMWisrunningfasterthanours,butoursisnewerthanThatBMW.IstheweatherinBeijingdirerthanthatinShanghai?Thestudentinourclassareasmanyasthoseinthatone.Helooksmorehandsomethanheis.TodisalittletallerthanIam,whomishemuchtallerthanthem?Themostdifficultexaminationpaperishere,themoredifficultoneisinthatfatterboy’shand.TianAnMen’ssquareisoneofthelargestandgrandestsquareintheworld.第七章;宾语&宾补给我那份文件，并把备份传真给孙先生。把您的身份证拿出来给我看看。上周我哥哥给我买了一台电脑，我也送给他一本字典作为回报。给我点零钱要没把那张大票给我！请让我们看看你的好吗？“他买给我一辆车。”和“他给我买了一辆车。”从含义上讲是相同的，但语法不同。“他买给我一辆车。”是双宾结构，而“他给我买了一辆车。”是宾语和状语。他叫什么？他叫小山。他管你叫什么？他叫我叔叔。看你们脏盻盻的，这叫潇洒呀？把桌上的那封信替我发出去！那封信昨天就发出去了。他把那份合同给谁了？GivemethatdocumentandfaxthecopyonetoMrSun.Takeoutyouridentitycardandshowittome!Mybrotherboughtacomputertomelastweek,Isenthimadictionaryinreturn.Givemesomechange,ortakethatbignotetome.Wouldyoupleaseshowmeyours.“Heboughtmeacar.”isthesamemeaningonimplicationwith“Heboughtacartome.”Buttheyaredifferentongrammer.“Heboughtmeacar.”isthestructureoftwoobjects,and“Heboughtacartome.”Isanobjectandanadverbial.Whatishecalled?HeiscalledXiaoshan.Whatdoeshecallyou?Hecallsmeuncle.Howdirtyyouare!Isitcalledbeinghandsome?Postthatletteronthetableforme!thatLetterwaspostedyesterday.Whomdidhegivethatcontract?Whomdidhegivethatcontractto?第八章：被动语态：黑板这么脏，怎么擦呀？“谁做的这事儿？”用被动语态怎么表达？每年汽车生产多少辆？这个麦克是在哪儿修的？我的车正在修理。他们是不受欢迎的人。那份试题还没做呢！昨天的节目听了吗？茶杯在哪儿打碎的？大厦是盖起来了，可它将是怎样的一种管理呢？在经理到这儿之前，这事儿必修尽早完成。第八章;答案：Theblackboardistoodirtyandhowisitcleaned?“Whodidit?”Howisitexpressedforthepassivevoice?Howmanycarsareproducedeveryyear?Wherehasthismicrophonebeenrepaired?Mycarisbeingrepaired.Theyarenotwelcomepersons.Thattestpaperhasn’tbeenwritten.Hastheprogramyesterdaybeenlistenedto?Wherewasthecupbroken?Thebuildinghasbeensetup,buthowwillitbemanaged?Itmustbefinishedasearlyaspossiblebeforethemanagergetshere.第一章：副词、状语大地被遍地的花朵装扮的美丽如春。用这部字典，那本就容易翻译了。我今后不会常来看你了。他找到楼下的王教授问如何才能尽快解答这道难题。由于风土人情，那儿的人不同于这儿的人。近来的状况越来越糟，我必须当即行动。你在28号5点之后抵达，来之前暂时和你哥哥住在一起。我们高兴而去，扫兴而归。明天我要检查你昨天的作业。为了妹妹上大学，她每月都得到商业区得一家酒店打零工。第一章：答案：Theearthisbeautifullydecoratedwithflowereverywherelikespring.Thatbookiseasilytranslatedwiththisdictionary.Iwillseldomcometoseeyoufromnowon.HefoundprofessorWangdownstairstoaskhowtoanswerthisquestionassoonaspossible.Thepeopletherearedifferentfromthepeopleherebecauseoflocalconditionsandcustoms.Thesituationrecentlyaregoingworseandworse,andImustactImmediately.Youwillarriveafter5on28th,andlivewithyourbrothertemporarilybeforeyoucome.Wewenthappilyandcamebackdisappointedly.Tomorrow,Iwillcheckyourhomeworkyesterday.Shehastogodoingoddjobsinahoteldowntowneverymonthinorderthathersistergoestocollege.第二章：名词性从句他昨天没来使我非常失望。他无论怎么解释听上去都像谎言。办公室有那份文件毕竟是个事实。你们和谁去上海决定了吗？我向来就不认为那篇文章那么难翻译。我的想法是你们应该尽早拿出你们的管理方法。这不是John喜欢的那所房子。他计划要和我单独谈谈，而我的想法是他最好别和我谈。问题是楼上的办公室没有电脑。她的意思是我们应该如实的告诉她为什么你昨天没来上班。第二章：答案：Thathedidn’tcomeyesterdaymakesmeverydisappointed.Itsoundslikealiehowhehasexplained.Itisafactafterallthatthereisthedocumentintheoffice.Itisdecidedwhomyouwillgotoshanghaiwith.Ihaveneverthoughtthatthearticleisveryhardtotranslate.Myideaisthatyoushouldworkoutyourmanagementasearlyaspossible.ThisisnotthehouseJohnLikes.Heplanstotalkwithmeseparately,andmythoughtisthathehadbetternottalkwithme.Thequestionisthattherearenotanycomputerintheofficeupstairs.Herintentionisthatweshouldhavetoldheraccuratelywhyyoudidn’tcometoworkyesterday.第三章:定语从句:昨天我和她握手的那位女士是推荐王先生来这儿工作的那个人。没有修改过的文章看上去有些粗俗。这是罪犯从这儿逃跑的窗户吗?那个被解放军从水里救出来的男孩儿眼里充满了泪水。已经找回来得文件就在刘小姐作为礼物送给您的文件夹里。不要忘记不该忘记的教训。爸爸正在听得收音机都老掉牙了。你刚写字的铅笔带橡皮吗？他教了我很多书上根本就没有的知识。难道你忘了他审视你的那一刻吗？第三章：答案：ThatladywithwhomIshockhandsyesterdaywasthepersonwhohadrecommendedMrWangtoworkhere.Thearticlewhichhasn’tbeencorrectedlooksalittlevulgar.Isthisthewindowfromwhichtheoffenderranaway?Thatbayisfullwithtears,whowassavedbythePLAmanfromwater.ThedocumentwhichhasbeenfoundbackisinthefilewhichMissLiusentasapresent.Don’tforgetthelessonwhichshouldn’tbeforgotten.TheradioourfatherisListeningtoisoutofdate.Isthepencilwithwhichyouwrotejustnowwitharubber?Hetaughtmealotofknowledgethereisn’tanyfrombooksatall.Doyouforgetthemomentatwhichhemeasuredyouwitheyes?第四章:What从句你想的和经理计划的不一样。这是你的翻译吗？你翻译的和原文相差甚远。我不相信这是他之所为。这不是你做的，你应该做的是如何管好自己。那位客户感兴趣的是集邮。他说的的比唱的好听，我们需要的不是这种人。她认为我做的不比你差。重要的是你必须意识到老板的意图。别小看他，他不是以前了。我跟本就不爱听你作天说的。第四章：答案：Whatyouthinkaboutisnotthesamewithwhatthemanagerplans.Isthiswhatyoutranslated?Whatyoudidisdisparatefromtheoriginalwork.Idon’tbelievethatthisiswhathehasdone.Thisisnotwhatyoudo.Whatyoushoulddoishowtobehaveyourself.Whatthecustomerisinterestediscollectingstamps.Whathetalkssoundsbetterthanwhathesings.Whatweneedisnotsuchaperson.ShethinksthatwhatIdidisnotlessthanwhatyouhavedone.Whatisimportantisthatyoumustrealizetheboss’intentions.Don’tlookdownuponhim.Heisnotwhathewasbefore.Ididn’tliketolistentowhatyousaidatallyesterday.第五章：状语从句：如果你想掌握好的状语从句，最好先了解什么是状语。他是一个如此负责任的医生所以大家都非常尊重他。只要她一想起两年前过逝的母亲她就痛不欲生。老师不该强迫我再次站在我昨天站过的地方。我们非常高兴，班里的多数同学都得了满分。你作天买的比我前两天买的贵。因为你没有付出，所以不可能赶上他。你做的欠思考以至于主任不满。第五章：答案：Youhadbettercomprehendwhatistheadverbialfirstifyouwanttomastertheadverbialclause.Heissucharesponsibledoctorthateverybodyrespectshimverymuch.Shebreaksheartaslongassherecallshermotherwhopassedaway2