营前中学 黄瑞清.ppt

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1、营前中学黄瑞清Unite4Topic2SectionBWhat’sthisinEnglish?HowdoyousaythisinEnglish?What’sitmadefrom?It’sacomputerdesk.Itisusedforputtingacomputeron.It’sabottleofredwineItismadefromgrapes.What’situsedfor?What’sitmadeof?It’smadeofwood.WhatisthisinEnglish?What’itmad

2、eof?Whatisitusedfor?Whenwasitmade?Wherewasitmade?toothbrush/plasticCleanteeth2007/Fujian/write/2006/ChinaItwasmadein2007.ItwasmadeinFujian.Ink/carbonWhatisthisinEnglish?HowdoyousaythisinEnglish?Whatisitmadeof/from?Ruler/steel/2005/JapanTowel/cotton2007

3、/TianjinLift/iron/2006/ChinaWhat’situsedfor?Whenwasitmade?Wherewasitmade?WhatisthisinEnglish?HowdoyousaythisinEnglish?Whenwasitmade?Wherewasitmade?Whatisitusedfor?1998/Korea1946/America1973/America1975/AmericaSummary被动语态主语++V过去分词amisarewaswereRead1a,pa

4、yattentiontothesimplepastpassivevoice.(Michael,JaneandtheirclassmatesarevisitingtheScienceMuseum)Michael:Look,alightbulb!Jane:Yeah.Itiswidelyusedinoureverydaylife.Doyouknowwhenitwasinvented?Michael:Itwasinventedin1879.Jane:Whoinventedit?Michael:ThomasE

5、dison.It’ssaidthatEdisonmademorethanonethousandinventionsduringhislife.Jane:Whatabouttheradio?Michael:TheradiowasinventedbyGuglielmoMarconiin1895.Jane,let’sgothisway.Look!Anairplane.It’sdifferentfromtoday’s.Jane:Yes.ItwasinventedbyWilburandOrvilleWrigh

6、tin1903.InventionInventorYearlightbulbGuglielmoMarconi19031bRead1aagainandfillouttheformThomasEdison1879radio1895airplaneWilburandOrvilleWrightInventorYearKarlBenza.1926B.JohnBairdb.1876C.AlexanderGrahamBellC.1885Workalone:listenandfinishitbyyourselves

7、.GroupworkRead3acarefully,Discussthequestionsin3aandthenmarkthestatements(T)forTrueor(F)forFalse.()1.Theclonedsheep,Dolly,wasclonedinCanada.()2.Scientistshaveclonedpigs.()3.EverypartofourbodyhasdifferentDNA.()4.ThereisDNAinmostlivingthings.FTFFReadandu

8、nderstandCloningDoyouknowDolly,theclonedsheep?ShewascreatedinScotlandafewyearsago.Allovertheworld,cloningisknownasagreatexperiment.Sofar,scientistshaveclonedrabbits,sheep,cows,mice,pigsandsomeotheranimals.Butwhatisusedincloning?It’sDNA.