人教版七年级上册英语优质课件 Unit 3 Section B 2a-2c

Unit3Isthisyourpencil?,SectionB2a-2c,Tolearnthenewwords：find,lost,askfor,set,must,callTolearnthelostandfoundnotices.,LanguageGoal,Ilostmykeys.,选择与单词意思相符的图片,Warmingup,Therearemanybooksinthelibrary.,“Whereareyougoing?”sheasked.,Icouldntfindmymobilephonebeforetheclass.ButIrememberedputtingitintomyhandbaginthemorning.Ifeelsoworried.Isitstolenbysomeone?Orisitleftbehindsomewhere?WhatshouldIdonow?,Writethethingsyouloseeasily.,schoolIDcard,watch,key,schoolbag,wallet(钱包),ruler,eraser,notebook,pen,2a,Readthenoticesontheboardandcirclethelostthings.,LinHai,Acomputergameisintheschoollibrary.Isityours？Asktheteacherforit.Mike,2b,Found:SomekeysareinClassroom7E.Aretheyyours?E-mailmeatmaryg2.,Asktheteacherforit.ask.for.:向某人索取某物；向某人要某物,例：Youcanaskhimforthedictionary.你可以找他要那本词典。Dontaskmeforit.Goandaskyourfather(forit).不要向我要(它)，去向你爸爸要吧。,Languagepoints,1.Youcan_Grace_(向请求)yourmap.2.“Whereareourpens?”they_(询问).,【运用】,ask,for,ask,Acomputergameisintheschoollibrary.in为介词，意为“在里”，表示方位。例：Mypensareinthepencilbox.我的笔在铅笔盒里。,Callmeat685-7788.call在此句中意为“打电话”，常用于以下结构：callsb.给某人打电话Callhimthisafternoon.今天下午给他打电话。call+电话号码拨打（号码）Pleasecall110.请拨打110。callsb.at+电话号码拨打（号码）找某人CallMaryat236-0396.请拨打236-0396找玛丽。,你可以按照234-6789给杰克拨打电话。Youcan_Jack_234-6789.点拨：“（给）打电话”，用动词call；“（提供电话号码时使用）按照；根据”用介词at。,【运用】,call,at,Imustfindit.mustmodalv.（情态动词）必须例：Youmustfinishittoday.你一定要在今天完成它。Youmustseethedoctor.你一定要看医生。,must+动词原形,E-mailmeatmaryg2.atprep.放在电子邮箱的地址或电话号码等前面，表示“按照；根据”at表示时间，用于钟点前，用于时刻前，译为“在时（刻）”。如：,atthreethreeoclock在三点ataquartertosix六点差一刻atnoon在中午atnight在夜晚atmidnight在半夜atbreakfastlunchsupper在吃早饭午饭晚饭时atthistimeofday在每天这个时候,at表示地点，一般用于较小的地名（方）前，译为“在”。如：athome在家atthestation在车站at表示处于状态，译为“从事于”。如atschool在上学atwork在工作,Readthenoticesagainandwritedowntheitems.Thencheck()LostorFound.,2c,IDcard,watch,keys,computergame,Checkanswer,策略：搜索关键词及目标句型。,1.这是什么？_this?2.你怎样拼写它？_do_spellit?3.那只绿色的铅笔是你的吗？_thegreenpencil_?,Whats,Howyou,Isyours,I.完成句子。,Exercises,4.一部电脑游戏机在图书馆里。A_is_theschoollibrary.5.发电子邮件到我的邮箱jack。_me_jack.6.我把我的书包丢了。I_my_.,computergamein,E-mailat,lostschoolbag,II.任务型阅读。lost&foundFound:Isthisyourschoolbag?CallKelseyat328-6798.Found:Dictionary.Isthisyourdictionary?PleasecallAlan.Phone#465-3456.Lost:Myring.MynameisLinda.Pleasecall675-1243.,根据失物招领启事，完成下列句子。1._foundaschoolbag.2.Lindalosta_.3.Lindasphonenumberis_.4.Alanfounda_.5.Alansphonenumberis_.6.LinYilostherschoolbag,thenshemaycall_at_tofindit.,Ke