搜索
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?，HistoryoftheUniverseUnit4ScienceSubjectsPhysicsChemistryBiologyGeologyMathematicsMedicineBiochemistryGeophysicsAstronomyWarmingupHawkingandhistheoriesCanyounametheminEnglish?Mercury[ˈmɜ:kjəri]Venus['viːnəs]EarthMarsJupiter[ˈdʒu:pɪtə(r)]Saturn[ˈsætɜ:n]Uranus[ˈjʊərənəs]Neptune[ˈneptju:n]Plutoˈplu:təu]TheSunTheSolarSystemABlackHoleTheMoonTheBigBangAtomTheGlobe——OurEarthAtmosphere(大气层)Reading1.FastReading,andanalyzeitsstructure.Writedownthemainideaforeachparagraph.Answerkeyforquestion1:Paragraph1:Awidelyacceptedtheoryabouttheformationoftheuniverse.Paragraph2:Theformationofwaterforlife.Paragraph3:Theimportanceofwaterforlife.Paragraph4:Thedevelopmentofplantsandanimalsontheearth.Paragraph5:Thearrivalofhumansandtheirimpactontheearth.3.DetailedReading:Readthetextloudlyforasecondtimeandthencompletethefillsinthefollowingpicturesaccordingtotheevolution(进化，演变)orderoflifeontheearth.12345678Answerkeyforquestion3:1)smallplantsinwater2)shellfishandallsortsoffish3)greenplantsonland4)insects(onland)5)amphibians(onlandandinwater)6)forests7)reptiles(onland)8)dinosaurs(onland)9)mammals(onland)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、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YesterdaywesawafilmstarringCharlieChaplin.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.托尼是我队的主力。star3.globe（1）名词(pl.globes)1)球;球状物2)地球仪;地球。如：Thisplantcangrowinmanypartsoftheglobe.这种植物能在地球上的许多地方生长。3)眼球（2）动词（不及物）(globed;globed;globing)成球状（3）动词（及物）(globed;globed;globing)使成球状Thenareyouclearnowabouttheevolutionoflife?Whenthedustsettledintoasolidglobe,theearthwassoviolent.4.6billionyearsago3billionyearsago540millionyearsago250millionyearsago65millionyearsagoTheEvolutionofLifeontheearth[ˌi:vəˈlu:ʃn][ˌpælɪəʊˈzəʊɪk][ˌmesəʊ'zəʊɪk][ˌsi:nəˈzəuik]ShellfishAmphibianReptile——DinosaurPrimitive(原始的)People1.Whatitwastobecomewasuncertainuntilbetween4.5and3.8billionyearsago(whenthedustsettledintoasolidglobe).betodo的用法(1)betodo...用于第一人称疑问句中，表示征求对方意见。如：AmItogoonwiththework？要我继续这项工作吗？Whatarewetodonext？我们下一步该怎么办？(2)表示按约定、计划，或即将发生的动作，这是将来时的一种用法。如：Theyaretopayavisittotheteachertogetherat10a．m.tomorrow.他们约定明天上午10点一起去看这位老师。bebeWearetomeetatthestationatfourthisafternoon.我们今天下午4点在车站见面。(3)表示必须或应该，在意义上等于must，should，oughtto或haveto。如：Youaretofinishtheworkbeforefivethisafternoon.你们必须在今天下午五点以前完成这项任务。Thismedicineistobetakenthreetimesaday.这种药一天要服三次。(4)用来表示注定要发生或不可避免要发生的事。如：Histheorywastochangetheviewsontheuniverse.1.Itexplodedloudlywithfireandrock,whichwereintimetoproducecarbon,nitrogen,watervapourandothergases,whichweretomaketheearth'satmosphere.loud,aloud,loudly这三个副词词义很接近，但含义有所不同。aloud的意思是“出声地、高声地”，强调能让人听得见。如：Readaloudsothatwecanallhearyou.读大点声，以便我们大家都能听见你。Theyareshoutingaloud.他们在大声感叫。loud意思是“大声地、高声地、响亮地”，强调声音响亮。常与动词speak,talk,say,laugh等连用。如：Don’ttalksoloud.讲话声音不要这么大。Factsspeaklouderthanwords.事实胜于雄辩。loudly的意思是“高声地”，有时可与loud通用，但含有“喧闹”的意味。如：Someoneknockedloudlyatthedoor.有人在大声敲门。Don’ttalksoloudly/loud.说话声音不要这么大。在现代英语中有时在并不喧闹的场合也用loudly.如：Willyoupleasereadthetextloudly?你能不能大声读这篇课文？explode1)（使某物）炸开，爆炸。如：Thefireworkexplodedinhishandandhewashurtseriously.2)（指感情）激发。如：Iwasfrightenedwhensheexplodedintoloudlaughter.3)（指人口）突然或迅速增加。如：Nowitisnoteasytofindjobswiththeexplodingpopulation.explosionn.爆炸（声）explosiveadj.爆炸性的，易爆炸的n.炸药，爆炸物intime(forsth./todosth.):最终；及时，如Shewillbebackintimetopreparedinner.她会及时赶回来准备晚饭。3.Whatmanysciencebelieveisthatthecontinuedpresenceofwaterallowedtheearthtodissolvegasesandacidswhichareharmfultotheplantsintotheoceansandseas.allowv.允许、许可、容许allow+n./pron./doingallowsb.todosth.beallowedtodosth.2.continuous连续不断的（强调一个动作没有间断过）continual反复的，频繁的（强调一个动作在某个时期反复出现）continued和continuing可以互换，都表示“连续不断的”“继续不变的”，但是它们只能用于名词前。总的来说，其差异正逐渐消失，特别是continual亦含有continuous相同的意义，尤指不愉快的事：Lifewasacontinualstruggleforthem.生活对他们来说是不断的挣扎。Present1presencen.出席，到场，存在形容词a.1.出席的,在场的Howmanypeoplewerepresentatthemeeting?到会的有多少人?2.现在的,当前的I'mnotatallsatisfiedwiththepresentsituation.我对目前的情况一点都不满意。名词n.1.现在,目前Thereisnotimelikethepresent.机不可失,时不再来。present2名词n.1.礼物,赠品[C]Heoftengavehisneighbor'skidslittlepresents.他常常送些小礼物给邻居的孩子。Present3presentationn.授予，颁发，呈现及物动词vt.1.赠送,呈献[(+to/with)]Theypresentedhimwithabunchofflowers.他们献给他一束鲜花。2.引起(问题),造成(困难)[(+to/with)]Allthispresentednewsafetyproblems.所有这些都造成了新的安全问题。3.提出,提交,呈递[(+to)]Some300paperswerepresentedattheconference.会上提出了大约三百篇论文。4.呈现;描述;出示[(+to)]Hehadtopresentasmilingfacethoughheavy-h