Lesson27:PlanetDannyI.Learningaims:Masterthenewwords:telescope,solar,unless,double,mysteryII.Learningimportantanddifficultpoints:1)Trylookingthroughtheotherend.2)MaybeBrianandIcanjoinyouaftersupper.3)Scientistsusehugetelescopeswhentheylookforplanets.4)Well,it’sworthatry,evenifIdon’tfindaplanet.LanguagePoints:1.double【用法】作可数名词，意为“两倍、双倍”，复数形式是doubles。【举例】Homeworkisdoubleatweekend.在周末作业是双倍的。【用法】作形容词，意为“双倍的、两倍的、两用的”，在句中作定语或表语。【举例】①Ithinkyouwillgetdoubleharvest.我想你们会有双倍的收成。②We’dlikeadoubleroom.我们想要一个双人间。2.MaybeBrianandIcanjoinyouaftersupper.晚饭后或许布莱恩和我会加入到你这里。【用法】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…。【举例】Lisa,canyoujoinusinthegame?丽萨，你能和我们一起做游戏吗？3.Well,it’sworthatry,evenifIdon’tfindaplanet.好的，这值得一试，即使我没有发现行星。【用法】evenif意思是“即使、纵然”，引导让步状语从句，表示某种条件。【举例】Hewillcomeontimeevenifitrains.即使下雨,他还是会准时来的。【拓展】在口语中，evenif往往用在句首。【举例】Evenifheispoor,healwayslookshappy.即使他很穷，但看上去他总是很快乐。Evaluationfeedback(测评反馈)I.根据句意用适当的介词填空。1.Peterlooked______________thetelescopeatthesky.2.Thesunwillgodown_____________aboutanhour.3.Helooked____________hislostbicycle,buthecouldn’tfindit.4.Whendidyougraduate____________thisuniversity?5.Mr.Zhougavemesomeadvice____________myEnglishstudy.II.按要求进行句式转换，每空一词。1.Theycamebackhomeaftersupper.（对画线部分提问）__________________________________________backhome?2.Hesaid,“Ihaven’tplannedtotraveltoSanya.”（改为间接引语）Hesaid_____________________________plannedtotraveltoSanya.、教学反思：
