U3U4 RevisionU3 ComputersU4 InventionsModule 2Science and technology英語教學(xué)課件 課件

U3U4RevisionU3ComputersU4InventionsModule2Scienceandtechnology賴鈺怡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.帶手機(jī)回校的缺點(diǎn)1.在學(xué)校不方便保管手機(jī)，如果丟失很難尋找。2.上課時(shí)有如有電話響，會影響到全班同學(xué)聽課。3.午休時(shí)總想拿出來玩一下，浪費(fèi)午休時(shí)間。4…….Dearclassmates,Iknowyouhavemobilephonesathome,ButIdon’tthinkit’sgoodtotakeitbacktoschool.___________________________________________________________________________________________________Sofromnowon,don’ttakeyourmobilephonestoschoolplease.期中考即將到來，但還有不少同學(xué)晚上顧著玩手機(jī)而不認(rèn)真復(fù)習(xí)，你觀察了班上同學(xué)用手機(jī)的情況，得出以下觀察報(bào)告，請結(jié)合報(bào)告內(nèi)容發(fā)揮合理的想象，寫一份期中考前停用手機(jī)的動員信。調(diào)查情況1.同學(xué)們比自己能意識到的還要更依賴手機(jī)。2.過去，學(xué)生們更多地在戶外玩耍，但現(xiàn)在他們花更多的時(shí)間待在手機(jī)前面，這對他們的健康不利。3?結(jié)論1.？