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A1A2firstfloor[fə:stflɔ:]secondfloor[ˈsekəndflɔ:]thirdfloor[θɜːdflɔ:]A3teachers'office['tɪtʃɚs'ɒfɪs]A4library[ˈlaɪbrərɪ]A5playground['pleɪgraʊnd]A6computerroom[kəm'pjuːtəruːm]A7artroom[ɑːtruːm]A8musicroom['mjuːzɪkruːm]A9homework['həʊmwɜːk]A10class[klɑːs]A11方位介词A12A13Look！That'stheplayground.Where'sthelibrary?It'snexttotheartroom.Oh,no!That'smylibrary!Isthistheteachers'office?No,itisn't.It'sthecomputerroom.Yes.It'sonthesecondfloor.Doyouhaveanartroom?A14Where'sthelibrary?where意为“在哪里”，用来引导特殊疑问句，表示对地点的询问。“Where+is/are+主语？”表示“....在哪里？”Wherearethekeys?钥匙在哪里？注意：whereis=where'swhereare=where're重点句型讲解A15A16重点句型讲解Isthistheteachers'office?由be动词is引导的一般疑问句，意为“这是....吗？”，用来确认近处物体的名称。其结构为：Isthis+物品名称？肯定回答为：Yes,itis.(是的。)否定回答为：No,itisn't.(不，不是。)Isthisyourpen?这是你的钢笔吗？Yes,itis.是的。/No,itisn't.不，不是。A17Where'sthelibrary?It'sonthefirstfloor.Isitnexttotheteachers'office?Yes,itis.secondfloorfirstfloorteachers'officelibraryA18Thisismyschool.Cool!Doyouhaveamusicroom?Yes,wedo.It'sonthefirstfloor.A19Doyouhavealibrary?由助动词do引导的一般疑问句，do在句中没有任何实际意义。结构为Doyouhave+物品名称？意为“你/你们有....吗？”肯定回答：Yes,I/wedo.否定回答：No,I/wedon't.Doyouhaveagarden?你们有花园吗？Yes,I/wedo.是的，我们有。No,I/wedon't.不，我们没有。重点句型讲解A20ChenJie:Welcometoourschool!Thisismyclassroom.Visitor:It'ssobig.Howmanystudentsarethereinyourclass?ChenJie:Forty-fivestudents.Visitor:Isthatthecomputerroom?ChenJie:No,itisn't.It'stheteachers'office.Visitor:Doyouhavealibrary?ChenJie:Yes,wedo.It'sonthesecondfloor.Thisway,please.A21Howmanystudentsarethereinyourclass?howmany意为“多少”，用来询问可数名词的数量Howmanyapplesarethereonthetree?树上有多少个苹果？注意：当询问不可数名词的数量时要用howmuchHowmuchmoneydoyouhave?你有多少钱？重点句型讲解A22Let'doA23A24A25A26A27A28句型练习：A29A30A31A32A33A34A35基变序有规律一，二，三，特殊记，词尾各是t,d,d.（one→first，two→second，three→third）八去t,九去e,五和十二很容易，f来把ve替，遇到整几十，改y为ie，末尾仍加th（eight→eighth，nine→ninth，five→fifth，twelve→twelfth，twenty→twentieth，thirty→thirtieth）若是遇到几十几，只变各位就可以。(twenty-second)序数词变化规律A36序数词缩写:first,second,third通常可缩写为1st,2nd,3rd。凡是以th结尾的序数词可缩写为“基数词+th”。如:4th,5th,9th,11th,60th,128th等。第二十一twenty-first第二十二twenty-second第二十三twenty-third第二十三十四十五十六十七十八十九十里的y,首先改为ie再加th。twentieththirtiethfortiethfiftiethsixtiethseventietheightiethninetieth如果整十后面带有个位数，只需把个位数变为序数词即可twenty-fifththirty-sixthforty-seventhfifty-eighth第一百onehundredth第一千onethousandth第一百二十一onehundredandtwenty-first第一千三百二十一onethousandandthreehundredandtwenty-firstA37UnitTwoWhattimeisit?A38breakfast['brekfəst]A39lunch[lʌn(t)ʃ]A40dinner['dɪnə]A41Englishclass['ɪŋɡlɪʃklɑːs]A42musicclass['mjuːzɪkklɑːs]A43PEA44kid[kɪd]A45clock[klɒk]A46NewYork['nju:'jɔ:k]A47London[ˈlʌndən]A48Moscow['mɔskəʊ]A49Singapore[ˌsɪŋgə'pɔ:]A50时间的表达方法：一、所有的时间都可以用“小时+分钟”直接读：6:10sixten8:30eightthirty2:40twoforty二、如果所表述的时间是整点，现在是两点整：It'stwo.或It'stwoo'clock.三、如果所表述的时间在半小时之内，可以用“分钟+past+小时”：6:10tenpastsix4:20twentypastfour10:25twenty-fivepastten四、如果所表述的时间在半小时之内，可以用“（相差的）分钟+to+（下一）小时”：10:35twenty-fivetoeleven5:50tentosix9:49eleventotenA51时间的表达方法：五、如果所表述的时间恰好为半小时，可以用“half+past+小时”：11:30halfpasteleven2:30halfpasttwo六、如果所表述的分钟和15有关，就有三种表达法：（15分钟又叫一刻钟：aquarter）9:15-ninefifteen;fifteenpastnine;aquarterpastnine；3:45-threeforty-five;fifteentofour;aquartertofourA52Whattimeisit?'sA53Whattimeisit?It's7:30.It'stimetogotoschool.A54Whattimeisit?It's4:00.It'stimetogohome.A55Whattimeisit?It's9:00.It'stimetogotobed.A561.Whattimeisitnow?用来询问具体的时间，答语通常是It's+基数词+o'clock.或者省略It's，直接回答基数词+o'clock.例：Whattimeisitnow?(It's)10o'clock.2.It'stimeto+动词（短语）原形+其他表示“该做.....;做.....的时间到了”或省略It's,缩写为“Timeto+动词（短语）原形+其他”It'stimetogotoschool.=Timetogotoschool.该去上学了。3.It'stimefor+名词It'stimefordinner.=It'stimetohavedinner.该吃晚餐了。重点句型讲解A57A58It's12o'clock.It'stimeforlunch.It'stimetowatchTV.It's2o'clock.let'splayfootball.Whattimeisit?Whattimeisit?It's7o'clock.It'stimetogetup.OK.It's10o'clock.It'stimetogotobed.Hurryup!It'stimeforschool!A59Hi!Schoolisover.Let'sgototheplayground.OK.Whattimeisitnow?It's5o'clock.Timetogohome,kids.Whattimeisit?It's6o'clock.It'stimefordinner.Oh!Let'sgo!A60A61Beijing8:10p.m.NewYork7:10a.m.London12:10p.m.Sydney10:10p.m.Whereareyou?I'minNewYork.InBeijing,it's8:10p.m.Whattimeisitthere?It's7:10a.m.It'stimetogotoschool.A62A63练习：5:00A64A65A66A67A68A69A70A71A721.birddirt2.birthnurse3.girlhurt4.hamburgernumberA73UnitThreeWeatherA74weather['weðə]A75sunny['sʌnɪ]A76windy['wɪndɪ]A77cloudy['klaʊdɪ]A78snowy['snəʊɪ]A79rainy['reɪnɪ]A80cold[kəʊld]A81cool[kuːl]A82warm[wɔːm]A83hot[hɒt]A84degree[dɪ'griː]A85world[wɜːld]A86NewYork['nju:'jɔ:k]A87London[ˈlʌndən]A88Moscow['mɔskəʊ]A89Singapore[ˌsɪŋgə'pɔ:]A90Sydney[ˈsɪdnɪ]A91What'stheweatherlikeinLondon?It'srainy.It'scloudyinSingapore.It'swindynow.Isitsnowing?Butitisn'tcold.CanImakeasnowman?Yes,itis.It'ssnowyhere.IsitcoldinMoscow.It'shotandsunnyinSydney.A92What'stheweatherlikeinLondon?伦敦天气怎么样？“What'stheweatherlikein+某地？”意为“某地天气怎么样？”回答用：It's+表示天气的形容词。What'stheweatherlikeinBeijing?It'swindynow.重点句型讲解A93重点句型讲解CanIgooutsidenow?现在我能出去吗？情态动词can在这表示请求和允许，意思为“能，可以”，它没有人称和数的变化，后面必须接动词原形。否定形式为cannot，缩写为can't，意思为“不能，不会”。“CanI.....?”意思为“我能（做）...吗?”，用来征求对方的同意。结构是Can+主语+动词原形+其他？肯定回答：Yes,主语+can.否定回答：No,主语+can't。CanIgonow?我现在可以走吗？Yes,you