Unit3SectionB(2a2c)课件人教版七年级英语上册2

Unit3Isthisyourpencil?SectionB2a-2cLearningaims1.learnthenewwords:library,some,classroom,e-mail,find,lost,ask,must,call…2.learnthelostandfoundnotices.3.writethenoticewhentheylosttheirthings.FreetalkDoyouoftenlosethings?Whatdoyouloseeasily?Talkwithyourpartner.keyseraser。。。。。。同桌两人交换书本，互相检查单词的拼写并改错。Schoolthings:Other(其他的)things:Saylikethis：

Ilosemyeraserandmykeys

easily.P17Somestudentsarereadingthenoticesontheboard.

Thenoticesareaboutthethingsstudentslostandfound.Let’shavealook.LostandfoundHowmanynoticescanyousee?阅读策略：结合图片和每则启事的第一句话能帮助你快速找到启事的主旨信息。P17Readthenoticesontheboardandcirclethelostthings.2bWhatkind(种类)ofnoticesarethey?Howdoyouknow?FoundLostacomputergamesomekeysawatcha

schoolIDcardHow

doyouknowtheyareFounds？3.Isthis/Aretheseyour…?Discusswithyourpartnersand

underlinethewordsorsentences.Found2.Isityours?/Aretheyyours?How

doyouknowitisaLost?3.Imustfindit.Discusswithyourpartnersand

underlinethewordsorsentences.1.Lost2.Ilost…ReadandanswerWhereisthecomputergame?

2.What’sJohn’sphonenumber?

3.WholostaschoolIDcard?

ReadandanswerWhereisthecomputergame?

2.What’sJohn’sphonenumber?

3.WholostaschoolIDcard?

Intheschoollibrary.495–3539.Tom.Languagepoints1.Acomputergameisintheschoollibrary.(教材P17

2b)library作可数名词，其复数形式为libraries，inthelibrary意为“在图书馆”。Therearethreelibrariesinthecity.这个城市有三个图书馆。libraryn.图书馆2.Asktheteacherforit.(教材P17

2b)1)ask作动词，在此处意为“请求；要求”，ask...for...意为“请求······给予······”。2)ask作动词，还可意为“询问”，其反义词为answer（回答）。askv.请求；要求；询问Youcanasktheteacherforhelp.你可以向老师寻求帮助。CanIaskaquestion?我能问个问题吗？3.IlostmyschoolIDcard.1)lost是动词lose的过去式，意为“遗失；丢失”。其反义词为find（找到;发现）。2)Lost可表示“寻物启事”，Found可表示“失物招领”，LostandFound表示“失物招领处”。3)lost还可作形容词，意为“丢失的；失去的”。lostv.遗失；丢失Ilostmydictionary.我的词典丢了。Jackislookingforthelostballintheplayground.杰克正在操场上寻找丢失的球。4.Imust

findit.(教材P17

2b)1)must是情态动词，其后接动词原形，没有人称和时态的变化。2)must的否定形式为mustn’t，表示禁止，意为“不可以”。mustmodalv.必须Youmustfinishyourhomeworkontime.你必须准时完成你的作业。Wemustn'tspeakloudlyinthelibrary.我们不可以在图书馆里大声说话。5.Callmeat685-6034.(教材P17

2b)callv.(给······)打电话Pleasecallmelater.请晚点给我打电话。Youcancall110forhelp.你可以拨打110求助。YoucancallAlanat284-3837.你可以拨打284-3837找艾伦。callsb.给某人打电话call+电话号码拨打······号码callsb.at+电话号码拨打······号码找某人6.E-mailmeatmaryg2@.e-mailv.

给······发电子邮件

n.

电子邮件复数名词：e-mails

at

prep.

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）”。一、单项选择题Exercises()1.________mybook._______herbook.A.This’s;That’sB.Thisis;That’sC.This’s;Thatis()2.—___________________?—Itisawatch.A.Isthisawatch?B.Isitawatch?C.What’sthisinEnglish?B

C

()3.Mybagis________.A.no B.not C.lost()4.Whenyoumeetanewword,pleaseuse(用)your________.A.key B.game C.dictionary()5.—Isthatyourruler?—_______,itis.A.Yes B.ThanksC.NoCC

A

根据句意及图片提示完成句子。1.Thisismynew_________.2.Isthatyour______?3.—What’sthis?—It’smyaunt’s_____.4.Howdoyouspelltheword“________”?computerwatchringnotebook5.The________isn’tmi