Unit4Astronomythescienceofthestars话题素材——天文科普[话题词汇]1.inventionn.发明2.explorev.探险;考察3.spacewalkn.太空行走4.phenomenonn.现象5.advancedadj.高级的;先进的;领先的6.aspacetravel太空之旅7.comeintoexistence开始产生;成立8.mannedspaceship载人宇宙飞船9.launch_a_satellite发射卫星10.solaractivity太阳活动11.be_proud_of对……感到自豪12.changeone'slife改变某人的生活13.cometrue实现14.inthefieldofscience在科学领域15.improvethequalityoflifeforhumans为人类提高生活质量[经典佳句]1.It_is_science_and_technology_thatmakesourlifemorecolorful.是科学技术使我们的生活更加丰富多彩。2.It_goes_without_saying_thatmoderntechnologybringsusconvenienceandcomfortinlife.毫无疑问,现代科技给我们的生活带来方便和舒适。3.Thedevelopmentofscienceandtechnologymakes_it_possible_for_China_to_realizethedreamofgoingintoouterspace.科学技术的发展使得中国实现进入外太空的梦想成为可能。精美语篇Doweneedspaceexploration?Manhasbeenfascinatedbyouterspaceforthousandsofyears.Ithasbeenoverfortyyearssinceman'sfirstlandingonthemoon.Now,somepeoplebelievethatspaceexplorationisawasteoftimeandmoney.Theypointoutthefactthatitcostbillionsofdollarstocarryonthespaceresearch,butlittleinformationwasbroughtback.However,everycoinhastwosides.Therearestillamajorityofotherpeoplewhobelievethatspaceexplorationhasmoreadvantages.AndIagreewiththosepeople.Manynewproducts,suchasweatherandcommunicationsatellites,arealsoproductsofspaceprograms,andtheyhavebenefitedpeopleallovertheworld.Andwhat'smore,scientificknowledgeaboutouterspacehasbeenacquiredbymankind.Webelievethatitwillbringmorebenefitsinthefuture,whichwecannotevenimaginenow.Spaceexplorationisachallengetohumanbeings.That'swhyseveralnationstryhardtocarryoutspaceexplorationcontinuously.◆高频单词1.system(n.)系统;体系;制度2.theory(n.)学说;理论→theoretical(adj.)理论上的3.globe(n.)球体;地球仪;地球→global(adj.)全球性的;全世界的4.violent(adj.)猛烈的;激烈的;强暴的→violence(n.)暴力→violently(adv.)猛烈地5.atmosphere(n.)大气层;气氛6.unlike(prep.)与……不同;不像→like(反义词)(prep.&v.)像;喜欢→dislike(v.&n.)不喜欢7.presence(n.)出席;到场;存在→present(adj.)出席的;到场的(vt.)呈递;颁发;授予(n.)礼物8.harmful(adj.)有害的→harm(n.&vt.)损害;伤害9.reaction(n.)反应;回应→react(vi.)反应;回应10.exist(vi.)存在;生存→existence(n.)存在11.thus(adv.)因此;于是12.puzzle(vt.&vi.)(使)迷惑;(使)为难(n.)谜;难题→puzzled(adj.)迷惑不解的13.gentle(adj.)温和的;文雅的→gently(adv.)温和地;文雅地;温柔地14.physicist(n.)物理学家→physical(adj.)物理的;身体的→physician(n.)医师,(尤指)内科医生→physics(n.)物理学15.pull(n.&vt.)拉(力);拖;牵引力16.float(vi.&vt.)(使)浮动;(使)漂浮(n.)漂浮物◆重点短语1.in_time及时;终于2.as_well_as和;以及3.lay_eggs下蛋;产卵4.give_birth_to产生;分娩5.in_one's_turn轮到某人;接着6.prevent...from阻止;制止7.blockout挡住(光线)8.cheerup感到高兴;感到振奋9.nowthat既然10.getthehangof熟悉;掌握;理解11.breakout突发;爆发12.watchoutfor密切注意;当心;提防◆热点句型1.whether...ornot“是否……”Theearthbecamesoviolentthatitwasnotclearwhethertheshapewouldlastor_not(是否).(教材P25)2.makeit+adj./n.forsb./sth.todosth.Thisproducedachainreaction,whichmade_it_possible_for_life_to_develop(使生命发展成为可能).(教材P26)3.as...as比较结构...,butitwillnotbeas_strongapullas(像……一样强)theearth's.(教材P31)4.“倍数+as+adj./adv.+as”句...