Introduction-3.Quiztime.(4m)Introduction-3.Quiztime.(4m)ChoosetheChoosethecorrectanswerstothequizinPart1.ThencorrectanswerstothequizinPart1.Thenlistenandcheckyouranswers.listenandcheckyouranswers.1.1.WaterWaterexistsasexistsasasolid,aliquidandagas.asolid,aliquidandagas.2.2.Whenyouheatametal,itWhenyouheatametal,itexpandexpands.s.3.3.SteelisSteelisamixtureofamixtureofironandotherironandothersubstancesubstances.s.4.4.Two-thirdsofTwo-thirdsoftheearth’ssurfacetheearth’ssurfaceisiswater.water.5.5.TheThedistancedistanceofthesunfromtheearthisofthesunfromtheearthis150,500,500kilometres.150,500,500kilometres.6.6.Theearthis4.6billionyearsold.Theearthis4.6billionyearsold.7.7.Theearthisforty-nineTheearthisforty-ninetimeslargerthantimeslargerthanthemoon.themoon.Answers:Answers:Introduction–4.Classification(2m)Introduction–4.Classification(2m)PutthePutthewordsinpairsorgroups.wordsinpairsorgroups.contractairearthcontractairearthgasliquidoxygengasliquidoxygenmoonsolidmoonsolidexpandsunmoonsolidmoonsolidexpandsuncontractairearthcontractairearthgasliquidoxygengasliquidoxygenmoonsolidmoonsolidexpandsunmoonsolidmoonsolidexpandsun11223344air–gas-oxygenair–gas-oxygencontract-expandcontract-expandearth–sun-moonearth–sun-moongas–liquid-solidgas–liquid-solidIntroduction–5.Classification(2m)Introduction–5.Classification(2m)PutPutwordsintherightplace.wordsintherightplace.electricityelectricityironironmetalmetalsteelsteelairairglassglasselectricityelectricityironironmetalmetalsteelsteelairairglassglassnaturalnaturalman-mademan-madebothbothelectricityironairelectricityironairsomemetalssomemetalssteelglasssomemetalssteelglasssomemetalselectricityelectricitysomemetals(alloyforexample)somemetals(alloyforexample)英语中基数词、序数词、分数、小数和百分数的读法1.基数词的读法：A.先说“几十”，再说“几”，中间用连字符。如：23—89__twenty-threeeighty-nineB.先说“几百”，再加and,再加末两位数（或末位数）。如：223—416—809—twohundredandtwenty-threefourhundredandsixteenfourhundredandsixteen1.序数词的读法序数词一般以与之相应的基数词加词尾-th构成，如：tenth（第十），但下面这些基数词在变序数词时，有特别的地方。如：A.one—two—three—five—eight—nine—twelve—firstsecondthirdfiftheighthninthtwelfthC.1000以上的数先从后向前数，每三位数加一“,”（千分位）；第一个“,”号前为thousand;第二个“,”号前为million;第三个“,”号前为billion。如：1,001—4,000—9,743—174,301—750,000,000—onethousandandonefourthousandninethousand,sevenhundredandforty-threea(one)hundredandseventy-fourthousand,threehundredandonesevenhundredandfiftymillionCanyousaythefollowinginEnglishcorrectly?1,0002,00012,000112,000796,000onethousandtwothousandtwelvethousandonehundredandtwelvethousandsevenhundredandninetysixthousand879,457eighthundredandseventy-ninethousand,fourhundredandfifty-seven1,000,0009,000,00032,000,000212,000,000onemillionninemillionthirty-twomilliontwohundredandtwelvemillion978,876,675,467ninehundredandseventy-eightbillion,eighthundredandseventy-sixmillion,sixhundredandseventy-fivethousand,fourhundredandsixty-seven988,766,688ninehundredandeighty-eightmillion,sevenhundredandsixty-sixthousand,sixhundredandeighty-eight987,654,321ninehundredandeighty-sevenmillion,sixhundredandfifty-fourthousand,threehundredandtwenty-one1,000,000,000onebillion9,000,000,000ninebillion32,000,000,000thirty-twobillion564,865,000,000fivehundred,sixty-...
