振民高级中学高一英语必修三Unit4Astronomy:thescienceofthestar高一英语组Wordsandexpressions预习案I.ReadthenewwordsandexpressionsinUnit4andtrytomastertheblackwordsandexpressions.II.掌握下例重点单词的发音并写出中文意思。astronomy/əs'trnəm/ɑɪ________religion/r'ldən/ɪɪʒ_________theory/'θər/ɪɪ_____________atom/'ætəm/_______________violent/'vaələnt/ɪ_____________atmosphere/'ætməsfə/ɪ_______fundamental/,fndə'mentl/ʌ_____acid/'æsd/ɪ__________multiply/'mltpla/ʌɪɪ__________oxygen/'ksdən/ɑɪʒ_________dioxide/da'ksa/ɪɑɪ___________biology/ba'ləd/ɪɑʒɪ_________gravity/'grævət/ɪ____________satellite/'sætəlat/ɪ__________physicist/'fzsst/ɪɪɪ___________climate/'klamt/ɪɪ___________天文学理论；学说激烈的;猛烈的;强暴的基本的，基础的乘，增加二氧化物万有引力，重力卫星，人造卫星物理学家宗教，宗教信仰原子大气层，气氛酸氧生物学气候III.掌握下例短语并写出中文意思。intime_______________layeggs_______________givebirthto_______________inone’sturn_______________prevent...from_______________cheerup_______________nowthat_______________breakout_______________watchout_______________getthehangof_______________及时，终于下蛋产生；分娩轮到某人；接着阻止感到高兴；感到振奋既然突发；爆发密切注视；当心；提防熟悉；掌握；理解新授探究案I、检查预学案的完成情况（请学生齐读或个别读预学案中的重点单词及抽查短语掌握）。强化音标，突破重点单词的读法。II、听录音跟读第四单元的单词。III、自读一遍，然后小组内互相检查读的是否正确。IV、抽查部分学生读的情况。V、强调如下词的词形转换。1.______n.天文学→______n.天文学家2.______n.系统；体系；制度→______adj.系统的;涉及全系统的3.______n.宗教；宗教信仰→______adj.宗教的4.______adj.猛烈的；激烈的；强暴的→_______n.激烈；猛烈5.______adj.有害的→______adj.（反义词）无害的→______n.伤害6.______n.反应；回应→______v.反应；起作用7.______vi.存在；生存→______n.存在；实有8.______n.出席;在场→______n.当前→______adj.缺席的;不到场的9.______n.谜；难题；vt.&vi（使）迷惑;(使)为难→______adj.感到迷惑的→______adj.令人迷惑的10._____________n.物理学家；_____________n.物理；_____________adj.身体的astronomyastronomersystemsystemicreligionreligiousviolentviolenceharmfulharmlessharmreactionreactexistexistencepresencepresentabsentpuzzlepuzzledpuzzlingphysicistphysicsphysical当堂检测案：I.让单个学生读单词。II、根据汉语提示或用所给词的适当形式完成句子。1．Itcosthimmorethanone________(十亿)dollarstocompletetheproject.2．“Whathappened？”John’smotheraskedhimina________(温和的)voice.3．BeforetheEarth’sprotective________(大气层)wasformed，therewasnolifeexceptinthesea.4．Withthe________(引力)ofthemoonandthesuneachday，tides(潮汐)rollinandrollaway.5．Manmade________(卫星)areusedforsendingandreceivingmessages.6．Smoking____(乘，增加)theriskofheartattacksandotherhealthproblems.7．Eatingtoomanydessertscanbe________(有害的)toone’steeth.8．Globalwarmingand________(气候)changeproblemsareperhapsthegreatestthreatstoourplanet.9．Accordingtothe________(理论)ofrelativity(相对论)，nothingcantravelfasterthanlight.10．Mostoftheevidencehadbeendestroyed.________(因此，于是)，itwasalmostimpossibletoprovehimguilty.billiongentleatmospherepullsatellitesmultipliesharmfulclimatetheoryThus课后练习案：I.词组翻译。1、阻止……_______________2、下蛋_______________3、轮到某人；接着_______________4、熟悉；掌握；理解_______________5、密切注视；当心；提防_______________6、突发；爆发_______________7、及时，终于_______________8、产生；分娩_______________9、感到高兴；感到振奋_______________10、既然_______________prevent...fromlayeggsinone’sturngetthehangofwatchoutbreakoutintimegivebirthtocheerupnowthatII.动词填空:multiply，exist，prevent，puzzle，block，crash，cheer，float，watch1._________veryfast，rabbitssoonbecamethelargestfamilyofalltheanimalsinthiswoods.2._____________atthe_____________result，hestoodthere，notknowingwhattodo.3.Noonecan_____________thisplanfrombeingcarriedout.4.Doeslife_____________onotherplanets?5.Manyroads_____________aftertoday，sheavysnow，soyou，dbetternotgoout.6.Itwasreportedthataplane_____________soonafterittookoff，causing10deaths.7.GiveMaryacall，sheneeds______________up.8.I_____________weightlesslyaroundinourspaceshipcabinwatchingtheearthbecomesmallerandthemoonlarger.9.______________outforhistemper！He’snoteasytodealwith.MultiplyingPuzzledpuzzlingpreventexistareblockedcrashedcheeringfloatedWatch
