高中英语Unit 2 Fit for life课件新人教版选修7.ppt

unit2fitforlife reading1 twolife savingmedicines thetitleofthisunitis fitforlife itmeansweshouldtrytokeepfit however asweallknow canwealwayskeepourselvesfit ofcoursenot then whenwearenotfit whatcanwedo lead in ifwehavesomeseriousdiseasesinourbodies wecanhavean operation ifyoureyesightisnotgood youcangotoseean andwearapairof eyedoctor glasses then doyouknowwhatkindofmedicinesortreatmentsweneedwhenwecatchsomesmallillnesses suchasacold now let senjoyastory youmaygetanswerfromit peoplemaytakemedicineswhentheyareill nowcanyouguesswhatmedicinethedoctorwillgivethegirltocurehercoldandcough doyouknowsomemedicinesthatcandothejob doyouknowwhattheyare aspirin penicillin whatelsedoyouknowaboutthesetwomedicines shortintroductionofthesetwomedicinesinchinese 阿司匹林是历史悠久的解热镇痛药 它诞生于1899年3月6日 到目前为止 阿司匹林已应用百年 成为医药史上三大经典药物之一 至今它仍是世界上应用最广泛的解热 镇痛和抗炎药 也是作为比较和评价其他药物的标准制剂 在漫长的医药发展史中 人类发明了难以计数的各种药物 它们不断地更新换代 为人类战胜邪恶的病魔助上一臂之力 然而有一种药物至今仍药效不减 风行天下 它就是杀灭病菌的灵丹妙药棗青霉素 英文音译又称盘尼西林 它具有广谱的抗菌功能 副作用少 且不易使病菌产生抗药作用 所以从它诞生之日起 就被人们视为 神药 whenwasoneofthemedicinesfirstsoldasatablet whatdidfleming floreyandchainshare 1streading in1900 thenobelprize readthearticleagainbyyourselvesandtrytodoc1onpage20 2ndreading keys 1 about2500yearsago 2 in1897 3 itcanalsohelpreducetheriskofheartattacksbythinningblood preventastroke reducetheriskofcoloncancer increasethelengthofpeople slivesandhelpwithdiabetes 4 inthemouldthatkilledbacteria 5 itcanbeusedtotreatbacterialillnessesandotherillnessesincludingpneumonia 6 becauseflemingdiscoveredpenicillinandtheothersturneditintothegreatdrugwhichsavemillionsoflives developmentofaspirin in1900 in1950 in1971 in1977 in2003 3rdreading developmentofaspirin in1900 soldinshopsasatabletin1950 asthebest sellingpainkillerrecordedintheguinnessbookin1971 provedtobeablood thinningmedicinein1977 usedtopreventastrokein2003 usedtoreducebloodsugarlevels developmentofpenicillin in1928 worldwarii in1945 developmentofpenicillin in1928 discoveredbyalexanderflemingworldwarii foundnewchemicaltechniquestopurifyitin1945 allthescientistssharedthenobelprize aspirinhassavedmanypeople slivesbyreducingfeverandhelpingstopp lawrencecravenintroducedtheideathataspirincouldreducether ofheartattacksbythinningblood in1971 smithandwillisp thataspirinwasablood thinningmedicineandastudyshowedthatachemicalinaspirincouldpreventas in2003 achinesedoctorfoundthatthischemicalcouldreducebloods levelsandhelppeoplewithdiabetes aspirin pain risk proved stroke sugar penicillin discoveredbyalexanderflemingin1928 isc tobeoneofthemostimportantmedicinesincontemporarys howardfloreyandernstchainmanagedtousenewchemicalt topurifyittobeamedicine duetoitswidespreaduse manylivesweresavedduringworldwarii penicillinisalsousedtotreatotherillnessesi pneumonia in1945 fleming floreyandchains thenobelprizeinmedicinefortheirwork penicillin considered society techniques including shared howcanweunderstandmedicalterms canyoufind readingstrategy wordscomingformthesamestem wordsthatarecompoundwords wordswithirregularpluralforms wordscomingfromthesamestem medicine medical medicinal pure purifychemical chemist bacterium bacterial wordsthatarecompoundwords painkillerblood thinningheartattackacetylsalicylic wordswithirregularpluralforms bacteriabacterium whatdoyouthinktheworldwouldbelikeiftherewerenomedicines doyoubelievethat wonderdrugs willbeinventedtotreatdiseaseslikeaidsinthefut