U3U4 RevisionU3 ComputersU4 InventionsModule 2Science and technology英语教学课件 课件

U3U4RevisionU3ComputersU4InventionsModule2Scienceandtechnology赖钰怡2014.10.30Step1:RiddlesGuesswhatinventionstheyare,ifyouknow,standupandshoutitoutasquicklyasyoucan.1.Withit,peoplecandoasmanythingsintheeveningastheycaninthedaytime.Lightbulb2.Therewasatinyballatthetipofthepen.Theballrolledinkontopaperasitmoved.Ballpointpen3.Afterthisinvention,wedon’tneedtorememberlotsofinformationorwriteitonstone,wood,leaves.paper4.Weusuallyputitonthewall,itcantellusthetime.clock5.ChineseandJapaneselikeusingapairofittoholdthefoodwhentheyeat.chopsticks6.Ithelpsustakelotsofpictures,wecansavemanyhappymoments.camera7.Beforethisinvention,peopleusedtocountthingswiththeirfingersandeventheirtoes.numbers8.Weputfoodinit,itcankeepfoodcoolandfresh.fridge9.Withthem,wecansurftheinternet,puter10.Wecanputitinourpocket,wecantalktofriendsoverlongdistanceanytimeanywhere.mobilephoneStep2.AdjectivesrevisionWelearntsomeadjectivesinthistwounits,readthesentencesandwritedowntheproperformofthegivenwords.Thet____computerinIronMan’sheartcontrolshisenergy.Themobilephoneisnotase____asbefore.Thescientistinventedap____medicineagainstH5N1.Youcanfindmanyf_____jokesontheInternet.5.Thenewtypeofschoolbagislighterthantheoldone,theyareveryc______.6.Thecompanymadeas______TV,itcandownloadmoviesfromiCloud.7.Insummer,airconditionersarep______people,theshopssellalotofthemeveryyear.Step3MissLaiwantstobuyanewmobilephone,butshedoesn’tknowwhichonetobuy,soshewrotealettertoherfriendinAmericatoaskforadvice.Completethepassagewiththegivenphrases.DearLawrence,YouknowIworkasateacherinChina.Iwasunawareoftheimportanceofthemobilephone.IusedtodependonusingQQonthecomputer,butIfoundit’smoreconvenienttouseitonmobilephone.Inaddition,IcankeepintouchwithmyfriendseverywhereIwant.IcanlistentomusicandsurftheInternetatthesametime.SoIneedtobuyapowerfulnewmobilephone.Canyougivemesomeadvice?Ilookforwardtohearingfromyou.FlorenceOct30Step4Lawrencereadmye-mailandshowmetwotypesofpowerfulnewmobilephone.Pleasediscusswithpartners,IfyouwereMissLai,whichonedoyouwanttobuy.

SamsungNote4AppleIphone6Price$820$749Weight176g172gMonitor5.7inches4.7inchesCamera16millionpixel8millionpixelDearMissLai,Ipreferyoutobuy_______,because:First,________is______than_______;Second,________is______than_______/Although________is______than_______.and________is______than_______,Isuggestyoutobuy______,becauseIthink______isthemostimportantthingtoyou.Step5.Manystudentshavetheirownmobilephone,theylikebringingittoschool,buttheschooldoesn’tallowstudentstobringmobilephonetoschool.Becausebringingmobilephonetoschoolhassomeproblems.IfyouwereMissLai,writeapassageaboutthedisadvantagesofbringingmobilephonestoschool,andreaditinclass.带手机回校的缺点1.在学校不方便保管手机，如果丢失很难寻找。2.上课时有如有电话响，会影响到全班同学听课。3.午休时总想拿出来玩一下，浪费午休时间。4…….Dearclassmates,Iknowyouhavemobilephonesathome,ButIdon’tthinkit’sgoodtotakeitbacktoschool.___________________________________________________________________________________________________Sofromnowon,don’ttakeyourmobilephonestoschoolplease.期中考即将到来，但还有不少同学晚上顾着玩手机而不认真复习，你观察了班上同学用手机的情况，得出以下观察报告，请结合报告内容发挥合理的想象，写一份期中考前停用手机的动员信。调查情况1.同学们比自己能意识到的还要更依赖手机。2.过去，学生们更多地在户外玩耍，但现在他们花更多的时间待在手机前面，这对他们的健康不利。3?结论1.？