最新新概念英语第二册48课课件1课件PPT.ppt 44页

'新概念英语第二册48课课件1 a.Hismother’sstrictwithhim,sohe____smoking.A.givesinB.givesawayC.givesupb.Ourteachersuggeststhatwe____learnthetextaheadoftime.A.mustB.canC.shouldc.Tomhadapartyyesterday.They____themselves.A.enjoyedB.can’tenjoyC.wouldenjoyD.musthaveenjoyedd.Thesecoatsarecomfortable.They____well.A.aresoldB.soldC.sellD.havesolde.IhavenotheardTom____goingfishingwiththem.A.fromB.ofC.tof.Therearemany____intheroom.A.furnituresB.piecesfurnitureC.piecesoffurnitureg.Iheardthatthoseclotheswere____agreatsale.A.forB.onC.at 1.thirstyadj.贪杯的2.ghostn.鬼魂3.hauntv.（鬼）来访，闹鬼4.blockv.堵5.furnituren.家具6.whiskyn.威士忌酒7.suggestv.暗示8.shakev.摇动9.acceptv.接受 收藏品收集品collection 点头nod 单词学习pullcottonwoolcollectcollectionnodmeanwhile拔药棉收集收藏品点头与从同时 pull①vt.&vi.拉，拖，牵，扯（反义词pushvt.推）我感觉有人拉着我的胳膊。Ifeltsomeonepullingmyarm.Youarepullingmyleg.pullone"sleg开某人玩笑你在开我玩笑不要再开我玩笑Don"tpullmyleganymore.Youarekidding.你在开玩笑Youarejoking ★②vt.&vi.拔，抽他把一个地址本从他口袋里掏出来了。Hepulledanaddressbookfromhispocket.★collectv.搜集collectsalarycollectstampscollectmoneycollectchildren领工资集邮筹集资金收养孩子 nodv.点头①vt.&vi.点头，点头示意/招呼我问他是否想来，他点了点他头。Iaskedhimifhewantedtocomeandhenoddedhishead.当我们在办公室见面的时候，他总是向我点头Whenwemeeteachotherintheoffice,healwaysnodsatme.②vi.打盹，打瞌睡（常与off连用）他过去在法语课上常打瞌睡HeusedtonodoffduringtheFrenchclass ★shake（shook，shaken）①vt.&vi.摇，摇动，抖动Thompson先生摇了摇他的头。Mr.Thompsonshookhishead.他的手一直在发抖。Hishandsareshaking.②vt.同……握手丹和他握了握手Danshookhandswithhim.=Danshookhimbythehand.=Danshookhishand. 因为他很累，所以他一边看书一边打盹。Ashewasverytired,henoddedoffoverhisreading.meanwhileadv.同时meanwhile=atthesametime=inthesametime用法和however一样,不能连接两个句子,但是意思上有承接概念夏娃在剪草，亚当种玫瑰。.Evewascuttingthegrass,andmeanwhileAdamwasplantingroses. Whatwillyoubreakonceyousayit?Silence.(沉默) Comprehensionquestions1Whendodentistsalwaysaskquestions?Whenit"simpossibleforustoanswer.2Haveyoujusthadatoothout?Yes,Ihave.3Whopulleditoutforyou?Mydentistdid.4Whatdidhetellyoutodoafterwards?Torestforawhile. 5Didyoutrytosaysomething?Yes,Idid.6Youcouldn"t,couldyou?No,Icouldn"t.7Whycouldn"tyou?Mymouthwasfullofcottonwool.8Whatwasyourtonguebusydoing?Searchingouttheholewherethetoothhadbeen.9Howdidyoufeelsuddenly?Veryworried. Dentistsalwaysaskquestionswhenitisimpossibleforyoutoanswer.Mydentisthadjustpulledoutoneofmyteethandhadtoldmetorestforawhile.Itriedtosaysomething,butmymouthwasfullofcottonwool.HeknewIcollectedmatchboxesandaskedmewhethermycollectionwasgrowing.HethenaskedmehowmybrotherwasandwhetherIlikedmynewjobinLondon.InanswertothesequestionsIeithernoddedormadestrangenoises.Meanwhile,mytonguewasbusysearchingouttheholewherethetoothhadbeen.Isuddenlyfeltveryworried,butcouldnotsayanything.Whenthedentistatlastremovedthecottonwoolfrommymouth,Iwasabletotellhimthathehadpulledoutthewrongtooth Dentistsalwaysaskquestionswhenitisimpossibleforyoutoanswer牙科医生们总是在你无法作出回答的时候向你提出问题。impossible通常不以人作主语，而以不定式或从句作主语Itis+adj+for/ofsb+todosthItis+adj+that+句子如果形容词能够修饰后面的人的性格特征就用of。对他来说帮助你是不可能的Itisimpossibleforhimtohelpyou.=Itisimpossiblethathewillhelpyou. Mydentisthadjustpulledoutoneofmyteethandhadtoldmetorestforawhile.我的牙科医生刚刚给我拔掉了一颗牙，叫我休息一会儿。我的牙科医生刚刚给我拔掉了一颗牙，叫我休息一会儿。restn.剩余的部分，休息，支撑物，休止符therestofTherestofrice_________(be)bad.whileconj.当...的时候，虽然，尽管，然而1WhileIwaswatchingTV，thebellrang（我看电视时，铃响了。）Whileitwaslate，hewentonworking.（虽然很晚了，但他还在继续工作。）Hewentoutforawalk，whileIstayedathome.（他出去散步了，而我却呆在家里。）is Itriedtosaysomething,butmymouthwasfullofcottonwool.我想说点什么，但我嘴里塞满了药棉。Trytodo尽力做某事未必会成功Managetodo尽力做某事一定会成功befullof=befilldedwithButmymouthwasfilledwithcottonwool.他的钱包里装满了钱ThewalletisfullofmoneyThewalletisfilledwithmoney HeknewIcollectedmatchboxesandaskedmewhethermycollectionwasgrowing.HethenaskedmehowmybrotherwasandwhetherIlikedmynewjobinLondon.他知道我收集火柴盒，于是问我收藏的米柴盒是否在增加。接着他又问我的兄弟近来如何，问我是否喜欢伦敦的新工作。matchN比赛,竞赛对手,敌手;相配者火柴V和...相配,和...相称使较量,使比赛Canyou match thisfabric?你能找一块和这相配的布吗?IHislatestfilmdoesn"t match hispreviousones.他最新的一部影片比不上他以前的一些影片 HeknewIcollectedmatchboxesandaskedmewhethermycollectionwasgrowing.HethenaskedmehowmybrotherwasandwhetherIlikedmynewjobinLondonWhether和if区别和ornot连用/后面+todo/介词之后/discuss之后Iaminterestedin___________hewillacceptmyinvitationIdon’tknow______tocryortolaugh.Theyarediscussing______theyshouldcarryouttheplanTomiswandering________heshouldchoosethisjobornot.whetherif是否 InanswertothesequestionsIeithernoddedormadestrangenoises.作为对这些问题的回答，我不是点头，就是发出奇怪的声音。inanswerto…作为对……的回答；响应……的请求应我的请求，他给乔治写了封信。Inanswertomyrequest,hewrotealettertoGeorgeinreturnfor作为对……的报答这个小姑娘给了我一个热情的拥抱以答谢我的帮助。Thelittlegirlgavemeabighuginreturnformyhelp. InanswertothesequestionsIeithernoddedormadestrangenoises.早餐我想吃面包或蛋糕.Either…..orNeither…norNotonly…butalso…Both…and…或者……或者既不…..也不不但….而且两者都…….Iwouldliketohaveeitherbreadorcakeforbreakfast早餐我不想吃面包也不想吃蛋糕.Iwouldliketohaveneitherbreadnorcakeforbreakfast. 1.Wecan_____see____touchtheair.A.notonly,butalsoB.both,andC.either,orD.neither,nor2.Youcan____stayathome_____gotomyhometownwithme.A.not,onlyB.eitherandC.bothorD.eitheror3._________John_______Iarepolicemen.A.Neither...norB.Either...orC.Both...andD.Notonly...butalso4.I’mlookingforababysitter（保姆）.Shemustbe__tooold______tooyoung.A.neither;norB.both;andC.either;orD.notonly;butalsoDDCA 2.Whatalwaysgoesupandnevergoesdown?(什么东西只升不降？)Yourage. Meanwhile,mytonguewasbusysearchingouttheholewherethetoothhadbeen.与此同时，我的舌头正在忙着寻找刚拔掉的那颗牙的伤口。Bebusydoing/bebusywithsth我的朋友们正忙于准备我的生日宴会。Myfriendsarebusypreparingmybirthdayparty.Myfriendsarebusywithmybirthdayparty.searchout找出，搜寻你已经搜出我需要的书吗HaveyousearchedoutthebooksIneeded?ThepolicearesearchingthethiefThepolicearesearchingforthethief. Meanwhile,mytonguewasbusysearchingouttheholewherethetoothhadbeen.where=介词+which这是我住的房子Thatisthehousewhich/thatIlivedinThatisthehouseinwhichIlived。ThatisthehousewhereIlived. 1.Theway_________________heexplainedthesentencetouswasnotdifficulttounderstand.2.Theway_________________heexplainedtouswasquitesimple.that/which/不填that/inwhich/不填关系词在定语从句中的语法成分when/onwhichthat/which/不填3.Wewillneverforgetthedays___________westudiedtogether.4.Wewillneverforgetthedays__________________wespenttogether. 1.Thisisthereason____wemadeMrLiheadmasterofourschool.A.whereB.whenC.beforeD.why2.Thatwasthereason______Macgavemetheotherday.A.whyB.forthatC.whichD.forwhich 1.Itwasfiveo’clockintheafternoon___________theyarrivedatthehotel.A.sinceB.beforeC.whenD.that2.--WheredidyoulastseeMr.Smith?--Itwasinthehotel____Ilived.A.thatB.whichC.whereD.when 3.Thehouse_____weoncelivedinisbeingrepairedbytheworkers.A.whichB.whereC.whoD.whom4.Thehouse_____weoncelivedisbeingrepairedbytheworkers.A.whichB.whereC.whoD.whom Isuddenlyfeltveryworried,butcouldnotsayanything.Whenthedentistatlastremovedthecottonwoolfrommymouth,Iwasabletotellhimthathehadpulledoutthewrongtooth.我突然非常着急起来，但却什么也说不出来。当那位牙医最后将药棉从我嘴中取出时，我总算有可能告诉他，他拔错了牙。Atlast=finally=intheendRemoveMoveremove可以表示“拿去，除去，去掉”，通常结构为“remove+名词+from”，也可以单独使用我已经帮照片从墙上摘下来了。I’veremovedthatpicturefromthewall. 本课必须掌握的短语：pullout拔出restforawhile休息一会儿befullof充满inanswerto为了回答makenoise发出声音；弄出声音searchout寻找；找出remove…from从…取出 Tellthestory1Dentists-ask-impossible-toanswer2Mydentist-pulledout-toldme-rest3triedtosay-mouthfull-cottonwool4asked-collectionof-eggs-growing5then-mybrother-newjob-London6Inanswer-nodded-strangenoises7tongue-searching-toothhadbeen8suddenly-worried-couldn"tsay9When-dentistatlast-frommymouth-abletotell–wrongtooth Goodbye! 测定小灯泡的功率天中：冉崇春 电功率的计算有：P＝W/tP＝UIP=U2/RP=I2R 原理：P=UI电路图：AV 实验步骤：1、按设计电路图连接实物，并设计实验记录表格。2、检查电路无误后，闭合开关S，移动滑动变阻器的滑片P，此时注意观察电压表的示数，当电压表示数等于小灯泡的额定电压示，停止滑动，并记下电流表的示数，代入公式P=UI算出小灯泡的额定功率。3、调节滑动变阻器，使小灯泡两端电压为额定电压的1.2倍，观察小灯泡的发光情况，记下两表示数，计算出实际功率。4、调节滑动变阻器，使小灯泡两端电压低于额定电压，观察小灯泡的发光情况，记下两表示数，计算出实际功率。5、整理实验器材。 实验注意事项：1.常规的有：开关问题、滑动变阻器、电流表、电压表2.电源电压应高于额定电压。3.测定实际电压高于额定电压时，一般约高1/5，否则可能损坏小灯泡。 电压（V）电流（A）电功率（W）灯泡明暗程度U=U额U>U额UU额U