Unit4Astronomy:ThescienceofStars（授课日期：年月日星期班级）授课题目Book3,Unit4Astronomy:ThescienceofStars拟课时第课时明确目标1、知识与技能：Enablethestudentstoimprovetheirwritingskills.2、过程与方法：Analysetheexercisesandchecktheanswers.3、情感态度与价值观：Developthestudents’attitudetothescienceofstars.重点难点重点：Helpthestudentstomakefulluseoftheskills.难点：Helpthestudentstomakefulluseoftheskills..课型□讲授□习题□复习□讨论□其它教学内容设计师生活动设计StepI.Wordsandexpressions1.Tobeginwith,I'dliketo...首先，我想……2.inalldirections＝ineverydirection从四面八方3.cooldown冷却下来4.befundamentaltothedevelopmentoflife对生命的发展起关键作用5.allowsb.todosth.允许某人做某事6.allowdoingsth.允许做7.produceachainreaction产生一系列反应8.sb.befilledwithexcitement某人心中充满了激动9.layeggs下蛋10.givebirthtoabeautifulgirl生了一个漂亮的女孩11.givebirthtocommunism孕育了共产主义12.inone'sturn轮到某人(作状语)13.inturn轮流/依次14.byturns轮流/交替15.taketurnstodosth.轮流做某事16.It'sone'sturntodosth.轮到某人做某事StepII.Sentencepatterns1.Whatitwastobecomewasuncertainuntilbetween4.5to3.8billionyearsagowhenthedustsettledintoasolidglobe.2.Whatisevenmoreimportantisthat…3.Sowhetherlifewillcontinueontheearth…willdependonwhether…StepIII.PracticeStepIV.HomeworkTrytomemorizetheexpressionsandmakefulluseofthem.因材施教：教学后记：
