Unit4Astronomy:thescienceofthestars[话题单词]1.orbitn.轨道2.astronautn.航天员3.phenomenonn.现象4.technologyn.技术5.astronomyn.天文学6.spacewalkn.太空行走7.explorevt.探险;考察8.launchvt.发射9.advancedadj.先进的10.spacecraftn.宇宙飞船11.automaticadj.自动的,机械的12.scientificadj.科学的13.revolutionn.革命14.progressn./vi.前进;进步,进展15.significancen.意义;重要性[话题短语]1.solaractivity太阳活动2.launchasatellite发射卫星3.mannedspaceship/spacecraft载人宇宙飞船4.playanimportantpartin在……中起重要作用5.aspacetravel太空之旅6.ablackhole黑洞7.atahigherlevel较高水平8.sendupanunmannedspaceship发射无人飞船9.makeremarkableresults成效显著10.developatasteadypace稳步发展11.withthedevelopmentofscienceandtechnology随着科技的发展12.beinthelead领先13.scientificbreakthrough科学突破14.cometrue实现15.keep/catchupwith赶上[话题佳句]1.Scienceandtechnologyareaprimaryproductiveforce.科学技术是第一生产力。2.Thenewtechnologyhasbeenmorewidelyadopted.这项新技术得到了更加广泛的采用。3.Itisreportedthatanewplanethasbeendiscoveredrecently.It'salmostthreetimesaslargeasEarth,andhopefullyitcansupporthumanlife.据报道,最近发现了一颗行星,它几乎是地球的三倍大,人类有望能在上面生活。4.It'samazingthatChinabecamethethirdcountrythatlaunchedamannedspacecraft.中国成为第三个发送载人宇宙飞船的国家,真是惊人。5.Withspacetechnologydevelopingsorapidly,wearesuretomakeavisittothemoonsomeday.随着太空技术的快速发展,我们一定会在将来某一天奔赴月球。[佳作背诵]随着科技的发展,人类对外层空间的探索越来越深入。你们班据此展开了一次讨论,请根据表格中的内容写一篇短文,并谈谈你的观点和想法。支持(多数学生)1.探索太空是中国人一直以来的梦想;2.有助于未来中国参与国际竞争。反对(部分学生)1.探索太空需要大量的金钱,增加国家的负担;2.中国是一个发展中国家,应努力解决其他社会问题。你的观点和感想……Asurveyabouttheexplorationofouterspaceisconductedinourclass.Theresultshowsthatdifferentstudentshavedifferentopinions.ThemajorityareinfavorofspaceexplorationbecausetheChinesepeoplehavebeendreamingofgoingintoouterspaceforalongtime.ExploringspacewillhelpChinatotakepartintheinternationalcompetitioninthefuture.However,somestudentsargueagainstit.Intheiropinion,spaceexplorationincreasestheeconomicburden,whichcallsforalargeamountofmoney.Inaddition,asadevelopingcountry,Chinaissupposedtomakeeveryefforttosolveothersocialproblems.Personally,it'snecessaryforustoexplorespace,andwenotonlyfeelhappybutalsoproudofthegreatachievementsmadeinthisfield.Asastudent,IwillstudyhardsothatIcanmakeagreatcontributiontoourcountry.识记·思考·运用1.核心单词①atmospheren.大气层;气氛②crashvi.&vt.碰撞;坠落③gentleadj.温和的;文雅的④floatvt.&vi.使浮动;使漂浮n.漂浮物⑤puzzlevt.&vi.使迷惑;使为难n.谜;难题⑥existvi.生存;存在existencen.存在;生存⑦violentadj.猛烈的;激烈的;强暴的→violencen.暴力⑧harmfuladj.有害的→harmn.&vt.伤害,损害⑨climaten.气候⑩pulln.&vt.拉(力);拖;牵引力2.阅读单词①unlikeprep.与……不同;不像②oxygenn.氧(气)③carbonn.碳④massn.质量;团;块;大量;(复)群众⑤multiplyvi.&vt.乘;增加⑥gravityn.万有引力;重力⑦fundamentaladj.基本的;基础的→fundamentn.基础,根本⑧religionn.宗教;宗教信仰religiousadj.宗教的⑨biologyn.生物学biologistn.生物学家biologicaladj.生物学的⑩physicistn.物理学家physicsn.物理学⑪extinctadj.灭绝的;绝种的extinctionn.灭绝⑫globen.地球仪;地球→globaladj.全球性的;全世界的...