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1Unit2Fitforlife我们都想有一个健康的生活方式，但是日常生活中的一些小细节却使我们的生活变得不那么健康了。Isyourlifestylehealthy?Theremaybemanylittleandcommonhabitsthatcanendangeryourdailylife.Doyouhavethefollowingunhealthylifehabits?LyingWhetheryou’repraisingyourbestfriend’sunflattering(有损形象的，不敢恭维的)hairstyleor“improving”onthecostofyournewdesignershoes,youtellsmallliesfromtimetotime.However,accordingtoresearch,thoselittlewhiteliescouldbemoreharmfulthanyouthink.Lyingcanproducefeelingsofstresswhicharedamagingyourhealth，andastudybyresearchersattheUniversityofNotreDamefoundthatwhenpeoplereducedtheamountofliestheytold,theysufferedfromlessheadaches，sorethroatsandanxiety.EatingatyourdeskIfyou’rehavingabusydayinwork,itcanbetemptingtoskip(跳过，不做)yourlunchbreakandeatatyourdesk.However，missingoutonbreaksisnotonlybadforyourstresslevels,eatingwhendistracted(分心)mayalsomeanyouaremorelikelytoovereat.Furthermore，spendingyourlunchhouratyourdeskcanlengthenthetimeyouarephysicallyinactiveandalsoexposeyoutoharmfulbacteria.AccordingtoastudybytheUniversityofArizona,yourworkstationcontainsnearly400timesmoregermsthantheaveragetoiletseat，makingitalessthanidealplacefordining.UsingcashmachinesWithdrawingmoneyfromATMmachinesisacommonhabitformostofus.However,cleanlinesstestsinBritainhaverevealedthatcashmachinesarejustasdirty2aspublictoilets，andmanyofusarefailingtowashourhandsafterusingthem.Expertsassessedswabs(药棉棒)fromthekeypadsoncashmachinesandalsofromnearbypublictoiletsandfoundthattheybothcontainedthesametypesofbacteriaknowntocausesickness.Tolookafteryourhealth,useanantibacterial(抗菌的)handsolutiononceyouhavemadeyourwithdrawal(取款)andafterhandlingmoney.SectionⅠWelcometotheunit&Reading—WarmingUp[基础词汇]1．surgeonn．外科医师2．chewvi.&vt.咀嚼，嚼碎；咬，啃3．vitaladj.对……极重要的，必不可少的4．potentialn.可能性，潜在性；潜力，潜能adj.潜在的，可能的5．massadj.大规模的；数量极多的n.一团，一堆；许多；(物理)质量6．sicknessn.疾病；恶心，呕吐7．symptomn.症状；征兆[拓展词汇]8．revolutionn．巨变，大变革；革命；旋转，天体运行→revolutionaryadj.革命的n.革命者9．countern．柜台；计数器；反驳vt.反驳；抵制，抵消→countv．计算；视为；依赖；重要n.计数；总数10．beneficialadj.有益的，有用的→benefitn．利益；津贴；保险金vt.有益于11．possessvt.拥有，具有→possessionn．拥有；财产；所有12．circulatevi.&vt.循环；传播，散布；传递，传阅→circulationn.循环；传播13．abnormaladj.不正常的，反常的→normaladj.(反义词)正常的14．astonishvt.使十分惊讶，使吃惊→astonishedadj.吃惊的→astonishingadj.令人吃惊的→astonishmentn．惊讶；令人惊讶的事物15．applicationn．应用，运用；申请，申请表；涂抹，外敷→applyvt.申请；涂；应用316．unableadj.不能，无法→ableadj.(反义词)能，能够17．effectiveadj.有效的；实际的，事实上的；生效的→effectn.影响，效果18．approvaln．批准，通过；赞成，同意→approvev．批准，通过；赞成，同意19．acceleratevt.&vi.(使)加速，加快→accelerationn．加速，加快20．bleedvi.流血，失血→bleedingadj.出血的；悲痛的n.流血1．focuson集中于2．openup打开；开拓3．intheformof以……形式4．carryout执行，实施5．tryout测试，试验；参加选拔6．inlargequantities大量地7．pickout挑选出8．byaccident偶然地1．if省略句Haveyoueverseenadoctor?Ifso,whathappened?你曾经看过医生吗？如果看过的话，发生了什么事情？2．强调句型Itwasin1897thataEuropeanchemistcalledDrFelixHoffmannproducedaspirinfromthischemical.1897年一个叫菲利克斯·霍夫曼的欧洲药剂师用这种化学物质制成了阿司匹林。3．部分倒装Notonlyhasaspirinprovedvitalforreducingfeverandhelpingstoppain,buttherearealsootherthingsthataspirincanhelpwith.阿司匹林不仅被证明对于退烧、止痛必不可少，而且还有其他用途。4．that引导的同位语从句LawrenceCraven,adoctorfromtheUSA,introducedtheideain1953thataspirinhadthepotentialtoreducetheriskofheartattacks,becauseithelpedthebloodcirculatebetter.美国医生劳伦斯·克雷文在1953年提出一个观点，即阿司匹林可能有助于降低心脏病发作的风险，因为它能改善血液循环。5．不定式短语作真正的主语Itastonishedhimtoseethebacteriasurroundingthemoulddead,whichmeant4thatthemouldhadkilledthem.令他十分惊讶的是，他发现这种霉周围的细菌都死了，这意味着这种霉杀死了它们。6．虚拟语气Ifpenicillinhadnotbeenavailable,manypeoplewouldhavediedfromsicknessorevensmallwounds.如果没有青霉素，很多人会死于疾病，甚至是很小的伤口。ⅠScanthetextandanswerthefollowingquestions.1．Whenwasaspirinfirstsoldasatablet?________________________________________________________________________答案：In1900.2．WhatdidFleming,FloreyandChainshare?________________________________________________________________________答案：TheNobelPrize.ⅡReadthetextcarefullyandchoosethebestanswer.1．What’sthemainideaofthispassage?A．Famousdoctors.B．Howpenicillinandaspirinwereinvented.C．Aspirinandpenicillin.D．Howtokeephealthy.2．Whichofthefollowingisconsideredtobethetimewhenaspirinwasinvented?A．3，500yearsago.B．2，500yearsago.C．1897.D．1899.3．WhichofthefollowingcanNOTaspirinbeusedfor?A．Keepingquiet.B．Painkilling.C．Curingdiabetes.D．Reducingheartattacks.4．WhichofthefollowingisTRUE?A．Penicillincankeeppeoplehealthybythinningtheirblood.B．Aspirincansavelivesbykillingbacteria.C．Aspirinwasdiscoveredbyaccident.D．Penicillinwasdiscoveredbychance.答案：1－4.CCADⅢReadthetextcarefullyandanswerthefollowingquestions.1．Whatotherthingscanaspirinhelpwithbesidesreducingfeverandpain?5________________________________________________________________________答案：Itcanalsohelpreducetheriskofheartattacksbythinningblood,preventastroke,reducetheriskofsomecancers,increasethelengthofpeople'slivesandhelpwithdiabetes.2．WheredidAlexanderFlemingfindpenicillin?________________________________________________________________________答案：Inthemouldthatkilledbacteria.3．Whatillnesscanpenicillinbeusedtotreat?________________________________________________________________________答案：Itcanbeusedtotreatillnessescausedbybacteria.4．WhywereFleming,FloreyandChaingiventheNobel