WhatwereyoudoingwhentheUFOarrived?Goforit!Unit3A:Whatdidyoudoat9o’clocklastmorning?TomB:Iwenttoschool.A:WhatwasTomdoingatthetime?B:Hewashavingbreakfast.TomwashavingbreakfastwhenIwenttoschool.9:00A:Whatdidyoudolastnight?B:Ididmyhomework.A:Whatwasshedoinglastnight?B:Shewasplayingthepiano.ShewasplayingthepianowhenIdidmyhomework.Whatwasshedoingat6o’clock?Shewasplayingfootball.Whatwashedoingwhentheyswaminthewater?Hewasdoinghomework.Hewasswimming.Whatwashedoingat8o’clock?Whatweretheydoingat10:30?Theywererunning.TalkaboutthepicturesWhatweretheydoingyesterdayafternoon?123AskandanswerinpairsWherewereyouat6:00yesterdayevening?Whatwereyoudoing?•1inariverswimming•2inaparkplayingbasketball•3inashopdoingsomeshopping•4athomecooking•5athomewatchingTV•6athomedoingmyhomeworkUnit3WhatwereyoudoingwhentheUFOarrived?1.__Iwasinthebathroom.Iwasgettingoutoftheshower.Iwassleepinglate.Iwasborrowingsomebooks.Iwascookingdinner.Iwascuttingmyhair.Iwassittingonthechair.2.__Iwasinmybedroom.3.__Iwasinfrontofthelibrary.4.__Iwasinthekitchen.5.__Iwasinmybarbershop.6.__Iwasinthebarber’schair.1a.Matchthestatementswiththepeopleinthepictures.dbacef1bListenandcirclethecorrectresponses.a.Standinginfrontofthelibrary/studyinginthelibraryb.Cleaningmyroom/sleepinglatec.Makingasmoothie/cookingdinnerd.Gettingoutoftheshower/talkingonthephonee.Eatinglunch/cuttinghairExercises1.昨天早上9点钟你在干什么?•Whatwereyoudoingat9o’clockyesterdaymorning?2.不明飞行物起飞时,小明正在骑自行车.XiaoMingwasridinghisbikewhentheUFOtookoff.3.那时,他们正在做家庭作业.Theyweredoingtheirhomeworkatthattime.4.今早给你打电话的时候你正在干什么?WhatwereyoudoingwhenIcalledyouupthismorning?5.当他正睡觉的时候他梦见了UFO.Whilehewassleeping,shedreamedaboutUFO.Summary:过去进行时的构成:•1.概念:表示过去某个时刻或过去一段时间正在进行的动作.•2.公式:主语+was/were+doingsth+时间状语•3.指示词:then,atthattime,once,等连用,或者用另一动作来表示过去的时间.MakeasurveyA:Whatwereyoudoingatnineo’clocklastSundaymorning?B:Iwassleeping.Howaboutyou?A:Iwasdoingmyhomework.YouStudent1Student29:00am11:30am1:00pm4:00pm6:00pm9:00pm有关外星人•外星人和地外文明始终是人们最有兴味的话题。那些一直致力于寻找外太空智慧生命的科学家相信,外星人确实存在,只是人类一直无法找到他们。科学家认为,由于天文物理技术等因素的限制,靠星际旅行来寻找地外生命是不大现实的,与外星人交流的唯一途径可能只有无线电通讯。•25年内找到外星生命•最近,正在澳洲出席外星生物研究会议的美国“外星生物情报研究所”(SET1)的高级太空科学家萧斯塔克透露,由于新科技的帮助,科学家可望在未来25年内,在外太空找出其中一个星体上的生物。•该研究所自1984年成立以来,就开始监察无线电讯号,希望能探测到来自外太空发出的讯号。他们开展了著名的“凤凰计划”。到1999年中期,凤凰计划已观测了大约500颗星体,但始终没有地外文明信息被监测到。萧斯塔克说,“我们确实经常监测到信号,可经查实都是人类而不是外星人发出的,大部分是美国电话电报公司的。”萧斯塔克透露,研究所在赞助下将斥资2600万美元,研制一组射电望远镜阵。这组望远镜叫做“艾伦望远镜”。艾伦望远镜阵将覆盖1000到10000MHz的频率,预备在2005年投入使用。该望远镜阵将建于旧金山市东北的哈特克里克气象台,可以全年不停地侦察附近10万甚至100万颗星体。萧斯塔克说,不能期望外星人与我们在电影中见到的相近,但推测他们也会有中央思维系统,眼睛、嘴巴和腿,也会繁殖,他们可能比人类聪明得多。课外读物Thankyou,goodbye!Pleasegivemeyouradvice!