罗屯联中英语课件王秀侠

Unit3whatwereyoudoingwhentheUFOarrived?

SectionA1a--2cWelcometo

背景资讯(UFO的含义和“飞碟”的由来)UFO是英文(UnidentifiedFlyingObject)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,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,他看到了“飞碟”.Teachinggoals:1.Words:barbershop,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。Importantanddifficultpoints:1.

when,while引导的时间状语从句。2.

学习过去进行时态。Newwords:

Teachingprocedures:GrammarFocus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。IwasstandinginfrontofthelibrarywhentheUFOarrived.TheboywaswalkingdownthestreetwhentheUFOLanded.Whilethegirlwasshopping,thealiengotout.ET'striptotheearthWhatwereHenry'sfamilydoingwhenET'Sarrived?巩固提升：一用动词的适当形式填空。1.Whilewe__________(wait)forthebus,agirl__________(run)uptous.

2.I__________(phone)afriendwhenBob__________(come)in.

3.Jim__________(jump)onthebusasit__________(move)away.

4.We__________(test)thenewmachinewhentheelectricity______(go)off.

5.What_____you___(do)atthattime?

We_____(watch)TV.

6.Wasyourfatherathomeyesterdayevening?Yes,hewas.He_____(listen)totheradio.

7._____they____(have)ameetingat4yesterdayafternoon?WaswaitingranWasphoneingcamewasjumpingmovedWeretestingwentweredoingWerewatchingWaslisteninghavingwere巩固提升：二．填入以下单词的正确形式。1．

Itwaswarm,soI_______(take)offmycoat.2．

Jane___________(wait)formewhenI______(arrive).3．

Suewasn’thungry,soshe_________(eat)anything.4．

MybrothercameintothebedroomwhileI­­­­_________(dance).5．

_______he________(lie)onthegroundatnineyesterdayevening?6．

What_____Jim__________(write)whentheteachercamein?7．

MikeandI________(play)baskteballatthattimeyesterdayafternoon.8．

Mybrother______(fall)whilehe_______(ride)hisbicycleandhurthimself.9．

IfirstmetLisathreeyearsago.She______(work)ataradioshopatthetime.10.WhenIarrivedathisoffice,he______onthephone.(speak)arrivedWa