高中英語(yǔ)Unit 2 Fit for life課件新人教版選修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 阿司匹林是歷史悠久的解熱鎮(zhèn)痛藥 它誕生于1899年3月6日 到目前為止 阿司匹林已應(yīng)用百年 成為醫(yī)藥史上三大經(jīng)典藥物之一 至今它仍是世界上應(yīng)用最廣泛的解熱 鎮(zhèn)痛和抗炎藥 也是作為比較和評(píng)價(jià)其他藥物的標(biāo)準(zhǔn)制劑 在漫長(zhǎng)的醫(yī)藥發(fā)展史中 人類發(fā)明了難以計(jì)數(shù)的各種藥物 它們不斷地更新?lián)Q代 為人類戰(zhàn)勝邪惡的病魔助上一臂之力 然而有一種藥物至今仍藥效不減 風(fēng)行天下 它就是殺滅病菌的靈丹妙藥棗青霉素 英文音譯又稱盤尼西林 它具有廣譜的抗菌功能 副作用少 且不易使病菌產(chǎn)生抗藥作用 所以從它誕生之日起 就被人們視為 神藥 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