人教版八年级英语下册-Unit-3-Section-A-3a—3c-课件(共21张PPT)

SectionA23a-3cUnit3Couldyoupleasecleanyourroom?1.帮助某人做某事2.至少2.完成做某事3.两个小时的电视时间4.这么多？5.购物回来6.随时，马上7.弄得一团糟8.乱七八糟9.从事…，致力于…10.解决出11.做…工作Canyoupleasetakethedogforawalk?Sure,Ican.CouldIgetsomethingtodrinkwithmyfriendsafterthemovie?No,youcan’t,youhaveabasketballgametomorrow.XX数控编程专业人员实习报告总结随着制造业的发展,机床是制造业的主要生产设备其发展也是日新月异。社会的进步,人们对各类产品的要求也越来越高,像汽车这样大批量的产品,也要求个性化。因此不能采用传统化的刚性生产线进行生产,还须考虑到适应的柔性。一些小产品其复杂要求和精度要求已经使通用机床难以胜任。在这样的情况下数控机床的出现满足了自动化程度高、柔性强、操作强度低,易于组成自动化生产系统的生产要求。经过数十年的发展,数控机床的控制部分已经从硬件为主的数控装置发展成硬件、软件结合的计算机数控系统。由于数控机床是根据事先编好的程序来实现自动化控制加工的,因此其发展和数控编程密切相关。程序的灵活、精练编制有利于降低加工成本和提高生产效率,具有明显的实用价值。在这次毕业设计中,我对数控机床编程的有关指令,以及编程的一些技巧等进行了探讨。通过一些指令的灵活综合运用来实现程序编制的简单和精练,使数控机床在加工中发挥更大的优势。以此来开拓数控机床更广阔的发展前景。绪论一、《数控加工与编程》实训的目的1、熟悉了解数控车床、数控铣床、数控加工中心的结构组成及工作原理。2、熟练掌握待加工零件的装夹、定位Canyoupleasetakeouttherubbish?Yes,sure.Reading3aReadthestoryandanswerthequestions.1.WhywasNancy’smomangrywithher?2.Didtheysolvetheproblem?How?Becauseshedidn’tdoanyhousework.Yes,theydid.Theyneedtosharethehousework.3b.Readthestoryagainandreadthesentencesbelow.Underlinethesentencesfromthereadingthatmeanthesamething.1.Neitherofusdidanyhouseworkforaweek.2.MymomcameoverassoonasIsatdowninfrontoftheTV.3.You’retired,butI’mtired,too.1Foroneweek,shedidnotdoanyhouseworkandneitherdidI.2TheminuteIsatdowninfrontoftheTV,mymomcomeover.2I’mjustastiredasyouare!【复习】3bReadthesentencesbelow.Underlinethesentencesfromthereadingthatmeanthesamething.Foroneweek,shedidnotdoanyhouseworkandneitherdidI.Neitherofusdidanyhouseworkforaweek.（1）neither用作副词，作“也不”解释，放在句首，句子须采用部分倒装。此时也可用nor替换neither。1.—Idon’tlikethisdress.我不喜欢这件连衣裙。—Neither/NordoI.我也不喜欢。2.Youcan’tspeakJapaneseandneithercanI.【探究】这个倒装句的结构。Neither/Nor+be/情/助+主语。（2）neither用作代词，表示“两者都不”,反义词both如：Heansweredneitheroftheletters.—Whichonewouldyoulike?—Neither.Neitheroftheanswersis/areright.(3)neither还可以做限定词，意为:两者都不…,其后跟可数名词单数。做主语时，谓语用单数。Neitheranswerisright.MymomcameoverassoonasIsatdowninfrontoftheTV.TheminuteIsatdowninfrontoftheTV,mymomcomeover.Theminute(that)…意为:一…就…，后接时间状语从句.相当于themoment…或assoonasEg:他一到就告诉他我需要见他。Tellhim(that)Ineedtoseehimtheminutehearrives.请你一到那儿就给我打电话。Pleasecallmeuptheminuteyougetthere.assoonas:一…就…，引导时间状语从句，遵循主将从现原则I’mjustastiredasyouare!as...as意为“和……一样”，表示同级的比较。使用时要注意第一个as为副词，第二个as为连词。其基本结构为：as+adj./adv.+as。如：Thisfilmisasinterestingasthatone.这部电影和那部电影一样有趣。Yourpenwritesassmoothlyasmine.你的钢笔书写起来和我的一样流畅。3cDecidewhethertheunderlinedwordsinthesentencesareverbsornouns.Thenwriteanothersentenceusingtheunderlinedwordintheotherform.1.Couldyoutakethedogforawalk?(noun)2.CouldIwatchoneshowfirst?Iwalkedhomefromschool.(verb)Let’sshowapicturetoyou.(verb)(noun)3.Ican’tworkallday.4.YouwatchTVallthetime.5.“Whathappened?”sheaskedinsurprise.It’sdifficulttofindworkinthiscity.(noun)Howmuchisthatwatch?(noun)Itwon’tsurprisemeifhelosestheexam.(verb)(verb)(verb)(noun)Lastmonth,ourdogwelcomedmewhenIcamehomefromschool.Hewantedawalk,butIwastootired.Ithrewdownmybagandwenttothelivingroom.TheminuteIsatdowninfrontoftheTV,mymomcameover.Couldyoupleasetakethedogforawalk?”sheasked.翻译短文throwdown:扔下，随手丢下throw—threw,扔掷她扔下书包就出去了。Shethrewdownherbookandwentout.【拓展】关于throw的其他常见短语throwat:向…扔去（恶意的）throwto:扔给…（不含恶意）throwaway：扔掉comeover:过来，顺便来访；拜访，后面加介词to，可跟表示地点的名词。你第一次来中国是什么时候？WhendidyoufirstcomeovertoChina?“CouldIwatchoneshowfirst?”Iasked.“No!”sherepliedangrily.“YouwatchTVallthetimeandneverhelpoutaroundthehouse!Ican’tworkalldayanddohouseworkallevening.”“Well,Iworkalldayatschool,too!I’mjustastiredasyouare!”Ishoutedback.翻译短语:1.allthetime2.helpout3.aroundthehouse4.allday5.allevening6.astiredas7.shoutback翻译短文Mymomdidnotsayanythingandwalkedaway.Foroneweek,shedidnotdoanyhouseworkandneitherdidI.Finally,Icouldnotfindacleandishoracleanshirt.Thenextday,mymomcamehomefromworktofindthehousecleanandtidy.“whathappened?”sheaskedinsurprise.“I’msorry,mom.Ifinallyunderstandthatweneedtosharethehouseworktohaveacleanandcomfortablehome,”Ireplied.翻译短语:1.thenextday2.insurprise(介词短语,表示状态）=withsurprise他惊讶地看着我。翻译短文Helookedatmeinsurprise.