人教版高一英语必修三Unit-4全套.ppt

《人教版高一英语必修三Unit-4全套.ppt》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、Lead-inThebackgroundpictureisthewholecosmos[ˈkɒzmɒs]/universe(宇宙).Whatdoyouknowaboutit?It’stheGalaxy(银河系).They’replanets(行星)andstars(恒星).It’stheblackhole.It’sthesolarsystem.Canyouenumerate[ɪˈnju:məreɪt](列举)theplanets?，HistoryoftheUniverseUnit4Astrono

2、my:theScienceoftheStarsScienceSubjectsPhysicsChemistryBiologyGeologyMathematicsMedicineBiochemistryGeophysicsAstronomyWarmingupHawkingandhistheoriesCanyounametheminEnglish?Mercury[ˈmɜ:kjəri]Venus['viːnəs]EarthMarsJupiter[ˈdʒu:pɪtə(r)]Saturn[ˈsætɜ:n]U

3、ranus[ˈjʊərənəs]Neptune[ˈneptju:n]Plutoˈplu:təu]TheSunTheSolarSystemABlackHoleTheMoonTheBigBangAtomTheGlobe——OurEarthAtmosphere(大气层)Reading1.FastReading,andanalyzeitsstructure.Writedownthemainideaforeachparagraph.Answerkeyforquestion1:Paragraph1:Awid

4、elyacceptedtheoryabouttheformationoftheuniverse.Paragraph2:Theformationofwaterforlife.Paragraph3:Theimportanceofwaterforlife.Paragraph4:Thedevelopmentofplantsandanimalsontheearth.Paragraph5:Thearrivalofhumansandtheirimpactontheearth.3.DetailedReading

5、:Readthetextloudlyforasecondtimeandthencompletethefillsinthefollowingpicturesaccordingtotheevolution(进化，演变)orderoflifeontheearth.12345678Answerkeyforquestion3:smallplantsinwatershellfishandallsortsoffishgreenplantsonlandinsects(onland)amphibians(onla

6、ndandinwater)forestsreptiles(onland)dinosaurs(onland)mammals(onland)Explanation天文学n.Astronomyisthescientificstudyofthestars,planets,andothernaturalobjectsinspace.1.astronomy相关短语radarastronomy雷达天文学radioastronomy电波(无线电)天文学2.star(1)名词(pl.stars)1）星,恒星;(日

7、、月等)天体;星形物;2）星号;(表示等级等的)星级;星形勋章,如：WhileinTaipeishestayedatafourstarhotel.她在台北逗留期间住在一家四星级旅馆。3）命运;星象4）(电影、体育等的)明星,杰出人物Hiswishtobecomeafootballstarhascometrue.他想当足球明星的愿望实现了。(2)动词（及物）(starred;starred;starring)1）用星形物装饰2）用星号标出3）使成明星,由......主演Yesterdaywesaw

8、afilmstarringCharlieChaplin.昨天我们看了一部查理·卓别林主演的电影。3.动词（不及物）(starred;starred;starring)1）当明星,主演。如：Shehasstarredinsomethirtyfilms.她主演过大约30部影片。star2）表现出色。如：Hedidn'tstaratthatjob.那份工作他干得并不出色。(4)形容词1）星的;星形的2）明星的,主角的3）出色的,优秀的。如：Tonyisthestarplayeronourteam.托尼