Unit2Twolife-savingmedicinesLead-inLookatthepicturesonpage17.Wouldyouliketodoanyofthejobsshowninthepictures?NewwordsdrugrevolutionmedicinecounterlikelybeneficialinventchemicalchewpossessphysicianchemistrisktreebarkcontaintrialdistributepowdertabletformpainreliefvitalpotentialstrokediabetesskimmingWhatarethetwomedicinesmentionedinthearticle?Whenwaspenicillinfirstdiscovered?WhatdidFleming,FloreyandChainshare?Whenwasaspirinfirstmade?Whendidpeoplefindthatdrinkingaspecialteacouldreducefeverandpain?Whatisthemainideaofparagraph3?A.ThehistoryofaspirinB.AspirincanreduceheartattackC.Otherfunctionsofaspirinbesidesreducingpainandfever.√scanningItcanalsohelp(to)reducetheriskofheartattackspreventstrokesreducetheriskofsomecancersincreasethelengthofpeople’slivesreducebloodsugarlevelandhelpwithdiabetes.languagepointsfocuson(L1)millionsof(L4)provebeneficialto(L4)chewonsth.(L8)inpowderform(L15)/intheformof(L16)painrelief(L17)havethepotentialtodo(L21)reducetheriskof(L21)carryout(L22)reduce...by...(L26)helpdosth.(L27)SentenceanalysisIfyouopenupanymedicinecupboardorgotoanymedicinecounterintheworld,itislikelythatyouwillfindaspirinandpenicillin.(L2-3)It’slikelythat…很有可能...likelyadj.可能的反：unlikelysb.belikelytodosth.类似结构：Itisprobable/possiblethat…It’sprobable/possibleforsb.todosth.Thereispossibilitythat...Nearly3500yearsago,peoplechewedonleavesordrankakindofteamadefromleavespossessingaspecialchemicaltoreducebodypainsandfever.(L8-10)主干：peoplechewedonleavesordrankakindoftea定语：madefromleaves修饰tea;possessingaspecialchemical修饰leaves.目的状语：toreducebodypainsandfeverItwasin1897thataEuropeanchemistcalledDr.FelixHoffmannproducedaspirinfromthischemical.(L12-13)Itis/was+被强调部分+that...强调aEuropeanch
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