高考英语一轮复习 Unit4 Astronomythe science of the stars课件 新人教必修3.ppt

Unit4Astronomy:thescienceofthestars课堂考点清障考点1.Theywereintimetoproducecarbonnitrogenwatervapourandothergaseswhichweretomaketheearth’satmosphere.(Page25)Tigersofthiskindaredyingoffandtheywilldieoutintime.这种老虎正在一只一只地死去它们迟早会灭绝的。用法归纳intime及时；终于ontime准时；按时intime总有一天对应训练(1)Thetrainarrived_______(准时).(2)Don’tworry.We’ll______________________(及时赶到车站)foryourtrain.(3)Workhardand____________________(总有一天你会成功).(4)Ifhestarteditnow___________________________(也不可能按时完成这项工作了).考点2.Theywereintimetoproducecarbonnitrogenwatervapourandothergaseswhichweretomaketheearth’satmosphere.(Page26)EitheryouorIamtogototalkwiththem.要么是你要么是我必须去和他们交涉。用法归纳betodo将会必定会一定beabouttodo即将做某事对应训练(1)Allthesethings_________(一定会)answeredfor.(2)Thosefirstwordsweretochangemyworld.(英译汉)________________________________________(3)Whathappenedthatday_________________________(注定要改变他以后的生活).考点3.Theylaideggstooandexistedontheearthformorethan140millionyears.(Page26)ThisplantexistsonlyinAustralia.这种植物只产于澳大利亚。用法归纳existvi.存在;生存existingadj.已有；现存existencen.生存；生活对应训练(1)Theoldlady______(生活)onlyonricecoffeeandbread.对应训练(1)What_________(阻止)youfromjoininguslastnight?(2)什么事阻止了他去?(汉译英)______________________________(3)Hersuddenarrival___________________________(使他不能外出).(4)Hecutofftheelectricityquicklyand______________________(阻止了一起事故).考点5.Howlifebeganonearthisoneofthebiggestpuzzlesthatscientistsfoundhardtosolve.(Page27)Ilikesolvingdifficultpuzzles.我喜欢解决难题。用法归纳puzzlen.谜；难题puzzlevt.&vi.(使)迷惑；(使)为难puzzlingadj.令人迷惑的puzzledadj.困惑的puzzlen.难题；难解之事；谜对应训练(1)Thewoman’sillness_________(难住了)thedoctor;hecouldn’tfindthecause.(2)I’m_________(困惑)aboutwhattodonext.(3)Shelistenedwitha_________________(迷惑不解的表情)onherface.(4)他的作为使我深感迷惑不解。(汉译英)_____________________________考点6.Asaresultof