Unit4AstronomyUnit4Astronomy：：thescienceofthestarsthescienceofthestars第一部分基础模块夯实第一部分基础模块夯实Module3Module3SectionI.SectionI.课本扫描课本扫描词汇部分词形变化1.violentadj.强暴的，猛烈的→violencen.暴力；猛烈→violentlyadv.强暴地；猛烈地2.fundamentaladj.基本(础)的n.(p).基本原则(法则)→fundamentallyadv.基本地；根本地→fundamentn.基础；根本3.developmentn.发展→developvt.发展；产生vi.生长；发展→developedadj.发达的→developingadj.发展的4.layvt.放下；摆设；产(蛋)(lay---laid---laid---laying---lie)vi.躺，平放；位于(lie---lay---lain---lying→lie)n.&vi.谎话；说谎(lie---lied---lied---lying)5.preventvt.预防，防止→preventionn.预防；阻止→preventableadj.可防止的，可预防的6.gentleadj.和蔼的；轻柔的→gentlyadv.温和地；静静地7.physicsn.物理，物理学→physicistn.物理学家→physicaladj.身体的；物理(学)的重点单词1.systemn.系统；体系；制度2.layvt.把……放下；摆设；铺(地毯)；产(蛋)3.harmfuladj.有害的；伤害的4.existvi.存在；生存5.puzzlev.(使)迷惑；(使)为难n.谜；难题6.pulln.&vt.拉（力）；拖；牵引力7.theoryn.学说；理论8.unlikeprep.不同；不像重点词组1.intime及时；终于2.inone’sturn轮到某人；接着3.prevent...from使……不做事；阻止……做某事4.breakout突发；爆发5.watchout密切注视；当心；提防6.layeggs下蛋7.givebirthto产生；分娩8.cheerup感到高兴；感到振奋9.nowthat既然重点句子1.Itexplodedloudlywithfireandrock,whichwereintimetoproducethewatervapour,carbondioxide,oxygen,nitrogenandothergases,whichweretomaketheearth’satmosphere.2.Thatmadeitpossibleforlifetobegintodevelop.3.ButwhenItriedtostepforwardIfoundIwascarriedtwiceasfarasontheearthandfellover.重点语法宾语从句和表语从句(见语法专题P367)一、核心单词1.system['sistəm]n.系统；体系；制度systematicadj有系统的;有条理的（1）Thesolarsystemincludesthesunanditseightplanets.太阳系包括太阳和它的八颗行星。（2）Alcoholisbadforyoursystem.喝酒对身体有害。小练：根据句子的意思完成句子。(1)The__________(教育系统)operatesverydifferentlyintheUSandChina.(2)Heintroducedusawell-designed___________(铁路系统).（1）educationalsystem（2）railwaysystem2.lay[lei]vt.把放下；摆设；铺(地毯)；产(蛋)(1)Helaidhishandonmyshoulder.他把手放在我的肩上。(2)Whoshouldwelaytheblameon?我们该责备谁?归纳：layeggs下蛋laysth.aside把某物放在一边；积蓄（钱）laysth.down把某物放下laytheblameonsb.责备某人laythetable摆桌子layemphasis/stressonsth.把重点放在某事上小练：根据句子的意思在括号里填入适当的词或翻译。（1）Thebird______itseggsinotherbirds’nests.（2）Heisapoliticalleaderthat_________________(非常强调)individualresponsibility.（3）He______somemoney______forrainydays.（1）lays（2）laysgreatstresson（3）lays/puts;aside3.harmful[‘hɑ:mful]adj.有害的；伤害的harmn.&vt.伤害（某人）Manypeopleareawareoftheharmfuleffectsofsmoking.很多人都意识到吸烟的危害。归纳：beharmfultosb./sth.对……有害doharmtosb.=dosb.harm=harmsb.对……有害；伤害……小练：根据句子的意思完成句子或翻译。（1）Everyoneknowsthatsmokingis______toyourhealth.（2）Inmanycases,toomuchcareforchildrenfromparentsmightevendo______totheirgrowth.（3）在阳光下看书对你的眼睛伤害很大。______________________________________________(1)harmful(2)harm(3)Readinginthesundoesalotofharmtoyoureyes.=Readinginthesundoesyoureyesalotofharm.=Readinginthesunisveryharmfultoyoureyes.4.exist[iɡ'zist]vi.存在；生存existencen.存在(1)DoeslifeexistonMars?火星上有生命吗?(2)Shecanhardlyexistonthewageshe’sgetting.她挣的工资简直难以糊口。归纳：exist+prep.存在...
