罗屯联中英语课件王秀侠

1、Unit3 what were you doing when the UFO Unit3 what were you doing when the UFO arrived?arrived? SectionA 1a-2c SectionA 1a-2c 背景资讯(UFO的含义和 “飞碟”的由来)UFO 是英文(Unidentified Flying Object)的缩写,意为不明飞行物.它的含义,从广义讲是天空中一切不明原因和无法解释的飞行物,而狭义讲指外星人的飞行器.人们常常提到的UFO是广义上的飞碟,但外星人的飞行器至今也未收集到.一般UFO具有一些无法解释的特性,如具有超出最快火箭的高速度,

2、或可在高速运动时瞬间停止悬空,或停在空中有瞬间高速飞离的本领,能直角转弯,自身旋转,无声无息,瞬间消失等特性.为什么会有这些特性还有待研究.“飞碟”名称的由来1947年6月24日,肯尼思架着自己运货的飞机在美国华盛顿州卡斯卡德山脉上空飞行.下午他飞抵雷尼尔山附近,架着飞机兜了一会圈子,寻找一架曾在这里失踪的飞机.他突然发现左侧稍远地面上有几个发光的物体.九个发光物体排成一行前后高低,每个呈发光圆形,有飞机大小,这一行在峰峦间穿行,有时还绕过一个山头.每小时约飞2700公里.着陆后记者问他,这些物体如何飞行.他并未说飞行物是碟子,而是说物体飞行像贴着水面抛出的碟子.可是,第二天的美国报纸报道说,

3、他看到了 “飞碟”.Teaching goals : 1. Words: barber shop, well, bathroom, accident, earth, silence, playground, around, strange, kitchen, modern, follow, shirt.2. when, while 引导的时间状语从句。3.学习过去进行时态。4.利用知识谈论过去发生的事情。5.复习过去式，学会讲故事。6. 了解一些自然科学知识和社会科学知识。Important and difficult points:1. when, while 引导的时间状语从句。2. 学习

4、过去进行时态。New words: Teaching procedures:Grammar Focus 过去进行时态的构成: was / were + doing. 用法:表示过去某一时刻或某一段时间正在进行的动作，一般用时间状语来表示。 I was standing in front of the library when the UFO arrived. The boy was walking down the street when the UFO Landed. While the girl was shopping ,the alien got out . ETs trip to t

5、he earthWhat were Henrys family doing when ETS arrived? 巩固提升：一 用动词的适当形式填空。 1. While we _ (wait) for the bus, a girl _ (run) up to us.2. I _ (phone) a friend when Bob _ (come) in. 3. Jim _ (jump) on the bus as it _ (move) away. 4. We _ (test) the new machine when the electricity _ (go) off. 5. What _

6、 you _ (do) at that time? We _ (watch) TV. 6. Was your father at home yesterday evening? Yes ,he was. He _ (listen) to the radio. 7. _ they _ (have) a meeting at 4 yesterday afternoon?Was waitingranWasphoneingcamewasjumpingmovedWere testingwentweredoingWere watchingWas listeninghavingwere巩固提升：二填入以下单

7、词的正确形式。 1 It was warm,so I _(take) off my coat. 2 Jane _(wait) for me when I _(arrive). 3 Sue wasnt hungry, so she _(eat) anything. 4 My brother came into the bedroom while I _ (dance). 5 _ he _(lie) on the ground at nine yesterday evening ? 6 What _ Jim _(write) when the teacher came in ? 7 Mike and I _ (play) baskteball at that time yesterday afternoon. 8 My brother _ (fall) while he _(ride) his bicycle and hurt himself. 9 I first met Lisa three years ago. She _ (work) at a radio shop at the time. 10.When I arrived at his office , he _ on the phone.(speak)a