Unit21HumanBiology趣味导引Yesterday是甲壳虫乐队的巅峰之作，此曲被收录在1965年的专辑《Help！》中，并在《滚石》杂志最伟大的英文歌曲中高居百佳之首。Yesterday是20世纪被改编、演奏、播放最多的一首歌曲。作为一首吉他弹唱歌曲，Yesterday编配简单而精妙，其和弦进行模式更是堪称经典。YesterdaybytheBeatlesYesterday,allmytroublesseemedsofarawayNowitlooksasthoughthey’reheretostayOh,IbelieveinyesterdaySuddenly,I’mnothalfthemanIusedtobeThere’sashadowhangingover①me.Oh,yesterdaycamesuddenlyWhyshehadtogoIdon’tknowshewouldn’tsayIsaidsomethingwrong,nowIlongfor②yesterdayYesterday,lovewassuchaneasygametoplayNowIneedaplacetohideaway③Oh,IbelieveinyesterdayWhyshehadtogoIdon’tknowshewouldn’tsayIsaidsomethingwrong,nowIlongforyesterdayYesterday,lovewassuchaneasygametoplayNowIneedaplacetohideawayOh,IbelieveinyesterdayHmm昨天甲壳虫乐队昨天，一切烦恼行将远去可我如今却忧心忡忡哦，我宁愿相信昨天霎时，我与从前判若两人她的身影总挥之不去哦，往昔在脑海浮现为何她不辞而别，姗然离去一定是我说错了什么，我只好静静等待昨天昨天，爱情本是如此简单我如今却渴望逃避哦，我宁愿相信昨天为何她不辞而别，姗然离去一定是我说错了什么，我只好静静等待昨天昨天，爱情本是如此简单而我如今却渴望逃避哦，我宁愿相信昨天嗯嗯嗯[词海拾贝]hangover挂在……之上；悬浮在……之上longfor渴望；羡慕hideaway隐藏SectionⅠWarmup&Lesson1—Comprehending100metresin8seconds?Manycontemporary①amateur②athleteswouldhavebrokenworldrecordsiftheyhadtakenpartinthefirstOlympicGames③.Sincethen,recordshavefallenintrackandfield④yearafteryear⑤asathleticperformanceshavecontinuallyimproved.Ifrecordsfall,itisusuallydueto⑥betterequipment,traininganddiet,butrecently,improvementshavebeguntoslowdown⑦.Atthe2000Olympics,onlythreerunnersachievedOlympicbestswithnoworldrecords.Someexpertspredictaceiling⑧formanyevents,suchas9.5secondsforthe100metres—MauriceGreene’scurrentrecordis9.79seconds.However,pastpredictionshavenearlyalwaysbeenprovedwrong.Whenwetalkaboutbreakingrecords⑨，wecomeacross⑩theissueofperformanceenhancing⑪drugs.Thesedrugsareoriginally⑫developedtohelppeoplewithillnesses,butinthewronghands,theycreatesupreme⑬athletesmakingthemfasterandstrongerthanisnormalforhumanbeings.Takingthesedrugs⑭isknownas“doping⑮”andalthoughtheyenhanceperformance,theyalsocauseserioushealthproblemsinlaterlifeforthosewhoabuse⑯them.①contemporaryadj.当代的；同时代的②amateuradj.业余的③此处是虚拟语气句，表示与过去事实相反的假设，条件句中用haddone,主句中用wouldhavedone。④trackandfield田径运动⑤yearafteryear年复一年⑥dueto因为，由于⑦slowdown慢下来speedup加速⑧ceilingn．天花板；上限⑨breakrecords打破纪录⑩comeacross偶然遇到⑪performanceenhancing[pə'fɔːmənsɪn'hɑːnsɪ]ŋadj.增强表现的⑫originallyadv.最初地⑬supreme[suː'priːm]adj.(程度)最大的，极度的⑭此处是动名词作主语。⑮doping['dəʊpɪ]ŋn．服兴奋剂⑯abuse[ə'bjuːs]vt.滥用abuseone’spower滥用权力百米纪录8秒？假如许多当代业余选手参加了第一届奥运会的话，他们就会打破世界纪录。从那时起，由于运动成绩的不断提高，田径项目的纪录每年都被刷新。假设新纪录出现，通常是由于设施、训练及饮食得以改善了。但是近来，提高的速度开始慢下来。在2000年奥运会上，只有三名百米短跑运动员获得奥运会最佳称号，然而他们却没能破世界纪录。一些专家为许多项目成绩上的上限做出了预测，如百米纪录9.5秒——莫里斯格林当前纪录则是9.79秒。然而，过去的预测往往被证实是错误的。谈到破纪录，我们就会碰到服用提高成绩的药物问题。研制这些药物原本是帮助人们解除病痛的，...
