翼教版九年级英语上册Lesson 27课件

Lesson27PlanetDanny 宾语从句I.Learningaims:II.Learningimportantanddifficultpoints:(1)Thenewwords:telescope,solar,certainly,unless,double,mystery(2)Theimportantsentences:①Iwillasktheclasstomakeobservationsandguesswhatwillhappen.②We’llaskthestudentswhattheexperimentproves. NewWordstelescopesolarcertainlyunlessdoublemystery ThinkAboutIt!▲Doyoulikescience?Whyorwhynot?▲Doyouknowanyoftheplanetsinthesolarsystem? LanguagePoints 作可数名词，意为“两倍、双倍”，复数形式是doubles。如：doubleHomeworkisdoubleatweekend.在周末作业是双倍的。We’dlikeadoubleroom.我们想要一个双人间。作形容词，意为“双倍的、两倍的、两用的”，在句中作定语或表语。如： 动词join在这里表示“加入”，如果表示“加入到某人的某种活动中”可用句式joinsomebodyin…。Lisa,canyoujoinusinthegame?丽萨，你能和我们一起做游戏吗？2.MaybeBrianandIcanjoinyouaftersupper. Let’sDoIt!Inasmallgroup,trytheexperimentabove.Tryitwiththejarfull.Tryitagainwiththejarnearlyempty.Writedownyourobservations.Didtheexperimentwork?Didanyonegetwet? Exercises 1.Willthe_______(压力)oftheairkeepthewaterinthejar?2.Thestudentsmadean__________(观察).3.Remembertotakeyour_________(游泳衣)whenyougoswimming.swimsuitI.根据句意及汉语提示，完成下列单词。forceobservation 1.Howdidyougetwet?Youneedtodryyourself______.2.Don'tturnthejar______.It'sdangerous.3.Theyaretalking______the2012OlympicstobeheldinLondon.4.Pleasesit______thechairandIwillcombyourhairforyou.5.Let'sputthewater______thebottle.intoII.用适当的介词填空。offoveraboutin 1.clothes,be,funny,those,for,to,you,it,wear,will___________________________________.2.sure,not,left,I,where,key,I'm,the___________________________________.3.can,right,who,you,prove,are___________________________________?4.hobby,school,bring,please,to,tomorrow,your___________________________________.PleasebringyourhobbytoschooltomorrowIII.连词成句。ItwillbefunnyforyoutowearthoseclothesI'mnotsurewhereIleftthekeyWhocanproveyouareright HomeworkDotheexperimentafterclass.