Unit 2 Fit for life Period 1 课件 1

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1、Unit2FitforlifePeriod1课件1●教学地位本单元的话题是“Fitforlife”，而本单元的第一篇文章“Twolife－savingmedicines”让学生了解日常生活中常见的两种药物——阿司匹林和青霉素的主要功效以及对人类健康所起的重要作用，具有很强的现实意义。演示结束NameInvention&DiscoveryMedical1.Aspirin.·Nearly3,500yearsago，people2.onleavesordrankakindofteamadefromleavesofaparticularplant.

2、·Hippocratesmadea3.fromatreebark·In1897Hoffmannproducedaspirin.Twoyearslater，thecompanyheworkedforbegandistributingthemedicinein4.formtophysicianstousewithpatients.·In1900，aspirinwassoldinshopsintheformof5..·Reducingfeverandhelpingstoppain·Reducingtheriskof6.attacksandprev

3、entingastroke·Reducingtheriskofsomecancersby40percent·Reducing7.sugarlevelsPenicillin·ItwasdiscoveredbyAlexanderFlemingin8..·Flemingfoundthemouldhad9.thebacteriasurroundingit.·Twootherscientistssucceededinpurifyingitanditwasproducedinlarge10..Treatingillnessescausedbybacte

4、riaandwoundsⅡ.语篇理解1．In，aspirinwassoldinpowderformtophysicianstousewithpatients.A．1897B．1899C．19002．WhoisanAmerican?A．DrThun.B．Smith.C．AlexanderFleming.3．Whofoundpenicillin?A．DrThun.B．AlexanderFleming.C．HowardFlorey.4．Whydidpenicillinbecomethegreatestdrugofthe20thcentury?A．

5、BecauseitwasfoundbyanAustralianscientist.B．BecauseitoncemadethreepeoplegettheNobelPrize.C．Becauseitsavedmillionsoflives.5．What'smainlydiscussedinthispassage?A．Famousdoctors.B．Howpenicillinandaspirinwereinvented.C．Twoimportantmedicines—AspirinandPenicillin.【答案】1.B2.A3.B4.C5

6、.CⅢ.课文缩写Ifyou1.anymedicinecupboardorgotoanymedicinecounterintheworld，itislikely2.youwillfindaspirinandpenicillin.Aspirinwasinventedin1897.Thefirst3.ofthismedicinetookplacein1899.In1900aspirinwassoldinshopsintheformof4..Notonlyhasaspirinproved5.forreducingfeverandhelpingsto

7、ppain，6.therearealsootherthingsthataspirincanhelpwith.In1977astudycarried7.intheUSAshowedthataspirincouldpreventstrokes.Anotherdrugthathashelpedincreasethe8.ofpeople'shealthispenicillin.ItwasdiscoveredbyaScottishscientistnamedFlemingin1928.In1940，twootherscientistsmanagedt

8、omakeandtestthenewdrug9..Duetothe10.useofpenicillin，manylivesweresavedduringworldwarⅡ.Pen