2026新教材人教版九年级上册英语Unit 5 Power of Ideas 作文讲义

作文题目飞机、3D打印机、收音机、造纸术等)写作，内容包含：第二段：介绍发明背景、发明者、研发难题、制造/工作原理；核心句型&核心句型&单元词组Thereisnodoubtthat...isthegreatestinventionofalltime.Itwasinventedby….in...Materialslike...weremixedandboileddreamedofflyinglikebirds.Twobigchallengeswerefacedbythem:howtolifttheproblems.Later,anenginewasaddedtotheglider,andthPlanesmakelong-distancetripsmuchfaster.Journeysthattookmonthsbefore题型二：议论文TheMostUsefulInventionofAllTimeInmyopinion,theradioisthemostusefulinventionofalltime.ItwasinventedAtlanticOceanforthefirsttime.Afseconds.Besides,manyotherinventionsweredevelopedbecauseoftheradio,suchaspowerfulcreativeideasare.Withoutit,wewouldnevergetinBark,oldclothesandplantfibreswereusedasmaterials.Allingredientswerworld.作文题目你的外国朋友Jack对新科技发明感兴趣，请写一封信向他介绍3D打印机，要第一段：问候，告知自己发现一款神奇发明3D打印机；First,anobjectisdesignedonmadebyit,suchastoys,shoes,chai3Dprintingbringsgreatconveniencetoourlife.Brokenpartscanbeproduced题型五：倡议书CreateMoreGreatdifficultiesaremet.T一、单元核心语法：被动语态一般现在时被动：am/is/are+过去分词二、各类发明通用万能句Itwasinventedby...in...三、单元高频词汇核心动词/变形(名词-动词-形容词)inventv.发明—inventionn.发明—inventiveadj.有创造力的createv.创造—creationn.作品—creativeadj.有创意的producev.生产—productn.产品—productionn.生产inventor发明者；technique工艺；fi模板2:议论文《TheMostUsefulInvention》Beforeitappeared,people.Afteritwascreated,in 模板3:介绍古代发明通用框架 isafamousancient