专题07新课学习Unit5（课文学习知识讲解）

第08讲新课学习必修第二册Unit5（课文学习&知识讲解）目录新课学习：学习新课文重点解析：考点快速记忆小试牛刀：词句精练+能力提升课文学习THEVIRTUALCHOIR①Imaginehavingtheopportunity②tosingtogetherwith③hundredsof④otherpeoplewhileyouareathomealone.Youcandothisinavirtualchoir.Virtualchoirmembersrecordthemselveswhiletheyperform⑤aloneonvideo.Thesevideosareuploaded⑥onto⑦theInternet，andthentheyareputtogetherintoonevideothatyoucanseeonline—avirtualchoir【1】．Anyonecantakepartin⑧avirtualchoirfromanywhere—allyouneed【2】isavideocameraandanInternetconnection.Youdonotevenneedastudio⑨.Avirtualchoirhelpsconnectordinary⑩peopletogether.Manypeopledonothaveclosefriendsorcontactswhohavethesameinterestinmusic【3】．Manyothersdonothavethechancetojoinalocalchoir.Avirtualchoirenables⑪themtoaddtheirvoicestothoseofotherindividualsandbeepartoftheglobalmunity.Ithasproved⑫tobeapositiveinfluenceon⑬thelivesofmanypeople.Asonevirtualchoirmembersaid【4】，“Musichelpsmeto...forgetmyproblems.Withmusic，Ibeesomeoneelse.”【1】thatyoucanseeonline为定语从句，修饰video；avirtualchoir作onevideo的同位语。【2】youneed是定语从句，修饰all，关系词that在从句中作need的宾语被省略了。【3】whohavethesameinterestinmusic是who引导的定语从句，修饰friendsorcontacts，contact在此处是名词，意为“熟人”。【4】Asonevirtualchoirmembersaid是as引导的非限制性定语从句。Thevirtualchoirwastheideaofaward⑭－winningposer⑮andconductor⑯EricWhitacre.BornintheUSAon2January1970【5】，WhitacrebeganstudyingmusicattheUniversityofNevadain1988.Hefellinlovewith⑰Mozart’sclassicalmusicwhenhesangfortheuniversitychoir【6】．Movedbythismusic【7】，hesaid，“Itwaslikeseeingcolorforthefirsttime⑱.”Hegraduatedfromuniversity⑲in1995，andthenreceivedamaster’sdegreein⑳musicalpositionfromtheJuilliardSchoolinNewYorkin1997.Overthenext10years，Whitacre’soriginaleq\o(○,\s\up7(21))positionsbegantobeequitepopularamongeq\o(○,\s\up7(22))choirsandsingers.Thisledtoeq\o(○,\s\up7(23))thecreationofthevirtualchoir.【5】过去分词短语Bornin...在句中作时间状语。【6】whenhesangfortheuniversitychoir是when引导的时间状语从句。【7】Movedbythismusic是过去分词短语，在句中作原因状语。In2009，Whitacrereceivedavideoofagirlwhowassingingoneofhisworks.Inspired，heaskedhisfanstomakevideos，whichhethenjoinedtogetherintooneperformanceeq\o(○,\s\up7(24))【8】．Hisfirstvirtualchoir，“LuxAurumque”，had185singersfrom12differentcountries.Ithasreceivedmillionsofeq\o(○,\s\up7(25))viewsontheInternet.Sincethen，thevirtualchoirhasbeeaworldwidephenomenoneq\o(○,\s\up7(26)).Whitacre’snexteffortwastheVirtualYouthChoirforUNICEF，whichwasfirstseenonstageeq\o(○,\s\up7(27))on23July2014intheUK【9】．Altogethereq\o(○,\s\up7(28))，2，292youngpeoplefrom80countriesjoinedintosingWhitacre’ssong“WhatIf”．【8】Inspired，过去分词作原因状语；which引导非限制性定语从句，对videos进行补充说明。【9】whichwasfirstseen...是which引导的非限制性定语从句，对theVirtualYouthChoirforUNICEF进行补充说明。Thevirtualchoirisawonderfulwayforpeoplearoundtheworldtosingwithonevoiceandthuseq\o(○,\s\up7(29))maketheworldabetterplace【10】．【10】不定式短语tosing...作定语，修饰way。thewaytodosth“做某事的方法”，不定式作后置定语。短文语法填空Songqingling1.(bear)on27thJanuary1893inShanghai，oneofthegreatest2.(leader)ofChina，wasawell­knownstateswoman.Whenshewasyoung，shewasmuch3.(concern)aboutthefutureofChina.4.(late)shetookpartinmanyactivitiestofightforthefreedomofChinesepeople.5.thefoundationofthePRC，shewas6.(plete)devotedtothe7.(develop)ofnewChinaandplayedanimportantpartinmanyactivities.On8thMay1981，shediedinBeijingattheageof88，8.broughtgreatsorrowtotheChinesepeople.9.(honor)asoneofthegreatestwomenofthe20thcentury，she10.(remember)bytheChinesepeopleforever.【答案】1.born2.leaders3.concerned4.Later5.After6pletely7.development8.which9.Honored10.isremembered1.positionn.成分；(音乐、艺术、诗歌的)作品；作文Theplacewherehestudiedmusicalposition.他学习音乐创作的地方词汇拓展①posev.作曲；撰写(信函、讲稿、诗歌等)；组成，构成；使镇静beposedof由……构成/组成(=bemadeupof/consistof)poseoneself使自己镇定下来•ThisresearchteamisposedofscientistsfromNorthwestUniversity.这个研究小组是由西北大学的科学家组成的。•Itookafewsecondstoposemyselfandtotakeinthescenethatwaslaidoutbeforeme.我花了几秒钟的时间让自己镇定下来，并观察了一番展现在我眼前的情形。②posern.作曲家2.performv.表演；履行；执行；运转Virtualchoirmembersrecordthemselveswhiletheyperformaloneonvideo.虚拟合唱团成员在独自表演时录制视频。情景导学IamverygratefultomyEnglishteacher.Heperformsanimportantroleinmylife.我非常感谢我的英语老师，他在我的人生中起着重要的作用。(写作—感谢信)Hewasbadlyinjured，sothedoctordecidedtoperformanoperationonhimatonce.他受了重伤，所以医生决定立即为他做手术。Whilewaitingfortheopportunitytogetpromoted，Henrydidhisbesttoperformhisduty.在等待晋升机会的同时，亨利尽了最大的努力履行他的职责。用法归纳①performa(n)...rolein

...在……中起……作用②performone’sduty

履行某人的职责

③performanoperation做手术

④performwell/badly/poorly表现/运转得好/不好词汇拓展①performancen.表演；演技；表现；性能giveaperformance演出•I'mnotatrainedmusician，butI'velearnttoreadmusicsoIcanhelpMariainherperformance.我不是受过训练的音乐家，但我学会了识谱，所以我能在玛丽亚的表演中帮助她。②performern.表演者；演员3.provevt.证明；展现linkingv.证明是Ithasprovedtobeapositiveinfluenceonthelivesofmanypeople.事实证明，它对许多人的生活产生了积极的影响。情景导学GivemeachanceandIwillproveittoyou.给我一个机会，我会向你证明。Icanprovehimsuitableforthisposition.我能证明他是适合这一职位的。Later，theserocksprovedthatatonetimeinthedistantpast，thecontinentofAntarcticawascoveredbyplants.后来，这些石块可以证实，在遥远的过去，南极洲大陆一度被植被覆盖。Itisprovedthatusingthelatestscientificequipmentallowsthesportsmentogetthebestoutoftheirtraining.事实证明，使用最新的科学设备可以让运动员们从训练中得到最好的效果。用法归纳①provesb.+adj.

证明某人是……的②proveoneself(tobe)+n.证明某人自己是……③provetobe+n./adj.证明是……④prove+that从句证明……(引导词可省略)⑤It

isprovedthat...事实证明……⑥provesth.to

sb.向某人证明某事词汇拓展proofn.证据；证明There's(no)proofthat...(没)有证据表明……•There'snoproofthattheseboysbrokeyourwindow.没有证据表明这些男孩打破了你的窗户。4.awardvt.授予n.奖；奖品ThevirtualchoirwastheideaofawardwinningposerandconductorEricWhitacre.虚拟合唱团是获奖作曲家兼指挥家埃里克·惠塔克的主意。情景导学Hewonanawardforhisexcellentperformanceinthepositioncontest.他因在作文比赛中的优异表现而赢得奖项。用法归纳名①win/receive/getanawardfor

...因……赢得/得到/获得奖项动②awardsb.sth.for...=awardsth.tosb.for...因……授予某人某物易混辨析award多指奖励在某个领域或工作中取得成就或成绩突出的人，常由评委经过认真考虑颁发奖项、奖金reward作动词，意为“给以报酬；奖励”，多指对别人的工作、服务或帮助等回报或酬谢，常用搭配：berewardedwithsth.；rewardsb.for(doing)sth.。作名词，意为“回报；报酬”prize作名词，意为“奖赏，奖励，奖品，奖金”,多指在竞赛或抽奖中所赢得的奖品•Hewasawardedthefirstprizeforhisexcellentperformanceinthepetition.他因在比赛中的精彩表现获得一等奖。•Thestudentshavebeenworkinghardontheirlessonsandtheireffortswillberewardedwithsuccessintheend.学生们一直努力学习他们的课程，最终回报他们的努力的将是成功。5.reliefn.(焦虑、痛苦的)减轻或消除；(不快过后的)宽慰、轻松或解脱...hefoundthatcreatingmusicwasareliefandcureforhisillness.……他发现创作音乐能减轻并治愈他的疾病。情景导学Hearingthathehadpassedtheexam，theboysighedwith/inrelief.听说自己通过了考试，这个男孩松了口气。It'sarelieftoknowthathehasrecoveredfromhisillness.知道他已经病愈了是一种宽慰。Tomyrelief，itwasthroughthisrunthatDavidbecamemuchstronger.令我欣慰的是，正是通过这次跑步，戴维变得更加坚强了。Still，mostofusvolunteersbreatheasighofreliefwhentheseasonestoaclose.不过，当赛季接近尾声时，我们大多数志愿者都如释重负地松了一口气。用法归纳①with

relief=inrelief如释重负；宽慰地②to

one'srelief让某人宽慰的是；令某人如释重负的是③It'sarelieftodo

sth.做某事是令人宽慰的。④breatheasighofrelief如释重负地松了一口气⑤Whatarelief!终于放心了!词汇拓展①relievevt.解除；减轻；缓解relievesb.ofsth.帮助某人减轻(负担)；替某人拿重物•Ourschooloftenorganizesvariousafterschoolactivities，relievingusofourstresstosomedegree.我们学校经常组织各种各样的课外活动，这在某种程度上缓解了我们的压力。(写作—学校生活)②relievedadj.感到宽慰的；放心的berelievedtosee/hear/find/know...看到/听到/发现/知道……很宽慰berelievedthat...很宽慰……•I'mrelievedtoknowthat“cool”hasamuchbroaderdefinitionthanwhatIusedtothink.知道“酷”的定义比我以前想的要宽泛得多，我就放心了。6.curevt.治愈；治好(疾病)；解决(问题)n.药物；治疗；(解决问题、改善糟糕情况的)措施...hefoundthatcreatingmusicwasareliefandcureforhisillness.……他发现创作音乐能减轻并治愈他的疾病。情景导学Doctorssaythatthereareseveralpossiblecuresforhisdiseaseandthattheycancurehimofhisdisease.医生说他的病有几种可能的疗法，并且他们可以治好他的病。用法归纳名①acurefor

...……的疗法/措施动②curesb.of

...治好某人的……(疾病)；改正某人的……(不良行为)易混辨析cure强调治疗的结果，意为“治好；治愈”，是及物动词，其后面可以跟表示疾病的名词作宾语，也可以用于curesb.ofsth.结构中treat强调治疗的过程，不关注结果，意为“治疗”，常用于treatsb.forsth.withsth.结构中•ThedoctortreatedMikeforhisheadachewithanewdrugbutdidn'tcurehimofit.医生用一种新药治疗迈克的头痛，但没有治好。7.absorbedinsth./sb.被……吸引住；专心致志于……Whenhegotabsorbedinhisworldofmusic...当他沉浸在音乐的世界里时…… 词汇拓展①absorbedadj.投入的；全神贯注的②表示“专心致志于……”的其他常见短语：belostin、buryoneselfin、concentrateon等。•Thesekidsarelostintheirstudies，andIjustsitback.这些孩子专心致志地做功课，我只好在一旁闲着。③absorbv.吸收；吸引全部注意力；使全神贯注；理解；使并入beabsorbedinto...被……吸收；被……同化absorbsb.=attractsb.'sattention吸引某人的注意•Weabsorbthesemarketingmessageswithoutthinkingaboutthemtoomuch，yettheywillprobablyhaveaneffectonusthenexttimewegoshopping.我们没有过多地考虑就掌握了这些促销信息，而它们可能会在我们下次购物时对我们产生影响•Thecreamremendedbyhersisteriseasilyabsorbedintotheskin.她姐姐推荐的这种乳霜易被皮肤吸收。④absorptionn.吸收；同化；专注8.aimn.目标；目的vi.&vt.力求达到；力争做到；瞄准vt.目的是；旨在Filledwithteamspirit，theyactasawhole，alwaysaimingforglory.他们充满了团队精神，作为一个整体，他们总是努力争取荣耀。情景导学SometimesIsetdeadlinesformyself：Iwillstartdoingmyhomeworkat8pm，andaimtofinishintwohours.有时我给自己设定最后期限：我将在晚上8点开始做作业，力求在两个小时内完成。WorldOceansDay，fallingonJune8th，isaimedatraisingpeople'sawarenessofoceanconservation.6月8日是世界海洋日，旨在提高人们保护海洋的意识。Withtheaimofimprovingstudents'healthandpreventingdiseases，ourschoolhasdecidedtoholdasportsmeetingnextSaturday.为了提高学生的健康水平和预防疾病，我们学校决定于下周六举行运动会。用法归纳动①aimat/for...努力争取……②aimtodo

sth.=aimatdoingsth.力求做某事③beaimedat

doingsth.旨在做某事；目的是做某事④aim(sth.)at...(将某物)瞄准……名⑤with

theaimof...目的是……，为了……⑥takeaimatsb./sth.把目标对准某人/某物；把批评的矛头指向某人/某物词汇拓展①aimlessadj.没有方向的；无目标的；无计划的•Shesaidthatherlifeseemedaimlessafterherchildrenlefthome.她说她的孩子们离开家后，她的生活好像没有了目标。②aimlesslyadv.无目的地，毫无目标地；漫不经心地•Havingwanderedaimlesslyinthestreetforhours，shefeltalittlehungryandwishedforsomethingtoeat.在街上漫无目的地逛了几个小时后，她感到有点饿，想吃点东西。(读后续写—动作描写)情景助记9.equipmentn.[U]设备；装备peopletosetupequipment安装设备的人员情景导学Thetreadmillinourlivingroomhasbeeapieceofequipmentthatbenefitseveryoneinourfamily.我们客厅里的跑步机已经成为一件让我们家每个人都受益的设备。(写作—运动与健康)用法归纳①apiece

ofequipment一件设备②office/teachingequipment办公/教学设备特别提醒equipment是不可数名词，没有复数形式，作主语时谓语动词用第三人称单数形式。•Allequipmentissupplied.所有设备都有供应。词汇拓展equipvt.装备，配备；使有能力，使有所准备equipsb./sth.with...为某人/某物配备……beequippedwith...配有……equipsb.for...使某人为……做好准备equipsb.todosth.使某人有能力做某事•Theyspentalotofmoneyequippingtheschoolwithnewputers.他们花了很多钱为学校配备新计算机。•Agoodeducationcanequipyouforyourfuturejob.良好的教育可以使你为将来的工作做好准备。•Hisworkexperienceequippedhimtodealwithallkindsofpeople.他的工作经验使他能与各种各样的人打交道。10.assumevt.以为；假设；承担(责任)；取得(权力)SocanIassumethattheaimofthefestivalistoraisemoney?所以我可以认为这个节日的目的是筹集资金吗?情景导学AsfarasIknow，agreatmanypeopleassumehimtobeateacher.据我所知，许多人认为他是一名教师。Itisgenerallyassumedthatstressshouldbeputonthepreventionofdisease.人们普遍认为应该重视疾病的预防。用法归纳①assumesb./sth.tobe

...假设/认为某人/某物是……②It

is(generally)assumedthat...人们(普遍)认为……词汇拓展①assumptionn.假定；假设makeassumptionsabout...对……做出假设ontheassumptionthat...假定……•Youareworkingontheassumptionthatallthingscanbefinishedontime.你是在所有事情都能按时完成的假定上进行工作的。②assumingconj.假定；假如assuming(that)...假定……(作状语)•Assuming(that)youareadmittedintoyourdreamuniversity，whatmajorwillyouchoose?假定你被你理想的大学录取了，你会选择什么专业?(写作—畅想大学生活)11.inaddition(tosb./sth.)除……以外(还)Howelsecouldyouhelpinadditiontowhathasalreadybeenmentioned?除了已经提到的，你还能提供什么别的帮助?易混辨析inadditionto意为“除……以外(还)”，除外的部分也包含在整体内，其中的to为介词，后接名词、代词或动名词inaddition意为“此外”，副词短语besides作介词，意为“除……以外(还)”，除外的部分也包含在整体内(用法与inadditionto类似)；还可作副词，意为“此外”(用法与inaddition类似)except(用于不包括的人或事物前)除……以外，强调所排除的、不包括在内的，一般表示同类之间的关系exceptfor除……以外，其后的内容与句子的主语不是同一类。常对细节加以修正，含有美中不足之意apartfrom/asidefrom具有besides(介词)、inadditionto以及exceptfor的用法•EveryonehasarrivedexceptTom.除了Tom所有人都到了。•I'vefinishedexceptfor/apartfrom/asidefromthelastquestion.除了最后一道题，我全做完了。•Inaddition/Besides，thankstoyourhelp，InowhaveconfidenceinmyEnglishstudy.此外，多亏了你的帮助，我现在对英语学习有了信心。(写作—感谢信)•Inadditionto/Besides/Apartfrom/Asidefromimprovingemotionalhealth，whatdoyouthinkaresomeotherbenefitsofresolvinganargument?除了改善情绪健康，你认为解决争论还有什么其他一些好处?词汇拓展①additionn.添加；加法；添加物②additionaladj.附加的；额外的；外加的•Manyofmystudentshaveadditionaleveningorweekendclubactivities.我的很多学生有额外的晚上或周末的社团活动。③additionallyadv.此外•Additionally，fromtimetotimeIwillassigngroupworktobepletedinclassorshortassignmentstobepletedathome.此外，我会不时地布置在课堂上完成的小组作业或者在家里完成的花费时间少的作业。12.getthrough(设法)处理；完成；熬过ItwastherockIleantontobeestrongandtogetthroughthosehardtimes.音乐是岩石，我倚靠着它变得坚强，熬过那些艰难的日子。情景导学Luckily，hegotthroughtheexam，andhiseffortspaidoff.幸运的是，他顺利通过了考试，他的努力得到了回报。Thelittleboygotthroughallhismoneyinjustoneweekandhadtoaskhismomforsomemore.这个小男孩在仅仅一个星期内就花光了所有的钱，不得不向他妈妈再要一些。用法归纳getthrough除了有“(设法)处理；完成；熬过”的意思外，还有“用完

，耗尽；顺利通过

(考试等)；(用)接通，联系上”的意思13.satisfactionn.满足；满意；欣慰Moreover，musicgavemehopeandasenseofsatisfaction.不仅如此，音乐还给了我希望和满足感。情景导学Tomyparents'satisfaction，Iwasadmittedtomydreamuniversity.令我父母满意的是，我被我梦想的大学录取了。IlookbackonmytimeinBeijingwithsatisfaction，andIreallyhopetogobackandstudythereagain.回顾我在北京的时光，我很满意，我真的希望能再次回到那里学习。用法归纳①with

satisfaction满意地②(much)to

one'ssatisfaction令某人(非常)满意的是③asenseofsatisfaction一种满足感词汇拓展①satisfyvt.使满意，使满足；满足(需求、需要等)satisfyone'sneeds/demands满足某人的需要/要求②satisfiedadj.满意的；满足的；欣慰的besatisfiedwith...对……感到满意•Areyousatisfiedwithyourbehaviourintheinterview?你对你在面试中的表现感到满意吗?③satisfyingadj.令人满意的•Allinall，Ihopetohaveahappier，morefruitfulandsatisfyinglifeinmynewschool.总之，我希望在我的新学校有一个更快乐、更富有成效和更满意的生活④satisfactoryadj.令人满意的；够好的；可以的14.variousadj.各种不同的；各种各样的Atthesametime，weallgothroughvariousperiodswhenwefeelsadoralone.同时，我们都会经历各种各样的感到悲伤或孤独的时期。(教材P56)词汇拓展①varyvi.(根据情况)变化；改变；相异；不同varyin在……方面不同varywith随……变化varyfrom...to...从……到……变化varybetweenAandB在A和B之间变化•Theseflowersvaryincolourandsize.这些花的颜色和大小各不相同。•Generallyspeaking，pricesoffruitandvegetablesvarywithseasons.一般来说，水果和蔬菜的价格随季节而变化。•Thespendingpowerofyoungpeoplevariesfrompersontoperson.年轻人的消费能力因人而异。②varietyn.不同种类；多样化；变体thevarietyof...……的种类avarietyof=varietiesof=various各种各样的•Avarietyof/VarietiesofactivitiesareheldduringtheDragonBoatFestival.端午节期间会举办各种各样的活动。(写作—节日介绍)15.reactionn.反应；回应Encouragedbythisfirstperformanceandthepositivereactionoftheaudience...受到这第一次表演和观众们的积极反应的鼓励……情景导学Peopledifferfromeachotherintheirreactiontothisproblem.人们对这一问题的反应各不相同。Themajorityofemployersareplanningtocutdownonwagesinreactiontotheeconomiccrisis.为了应对经济危机，大多数雇主计划削减工资。用法归纳①(the/one’s)reactionto

...(某人)对……的反应②in

reactionto...作为对……的反应词汇拓展reactvi.作出反应；回应；起化学反应reactto对……作出反应reactwith与……产生化学反应reactagainst反对；敌视•TheywerenotsurehowtheAmericanswouldreacttothenewtypeofmusic.他们不确定美国人对这种新型音乐会作何反应。•Childrensometimesreactagainstthethingtheirparentsbelievein.孩子们有时反对他们的父母所赞成的事情。词句精练一．单句语法填空在空白处填入1个适当的单词或括号内单词的正确形式。1.Intermsof__________(pose),itisthequalityofthemindthatcounts.2.Your__________(perform)inyourstudywillbeexcellentifyoudevelopahabitofreflectingonhowyoulearn.3.Histalentsenablehim__________(stand)outamongtheapplicants.4.ItwasonlyafterhehadreadthepapaersthatMr.Grossrealizedthetaskbeforehimwasextremelydifficult__________(plete).5.Itwassonoisy__________wecouldn’thearourselvesspeak.6.Thenumberofsmokers,__________isreportedhasdroppedby17percetninjustoneyear.7.MoYan,__________(award)theNobelPrizeforLiteraturein2012,whichmadeoneoftheChinesepeople’slonghelddreamsetrue.8.Whendeeplyabsorbed__________work,whichheoftenwas,hewouldforgetallabouteatingorsleeping.9.Thereweremay__________(talent)actorsouttherejustwaitingtobediscovered.10.Inaddition__________theschool,thevillagehasaclinic,whichwasalsobuiltwithgovernmentsupport.1positions2performance3tostand4toplete5that6as7wasawarded8in9talented10to二．选词填空用方框内短语的适当形式填空，有两项为多余选项。remind…oftakepartinfallinlovewithforthefirsttimegraduatefromleadtosetupsincethenabsorbinfromthenongetthroughinrelief1.Itwasapitythattheywerenotthere____________________thefestivalfeastlastnight.2.Itisnaturalthatheshould____________________suchabeautifulgirl.3.I’llneverforgetmeetingmyschoolheadmaster____________________in2019.4.InJuneof2022,hewill____________________BeijingNormalUniversitywithaBAinlibraryscience.5.Afullscalenuclearwarcould____________________thedisappearanceofthehumanrace.6.Onarrivingthere,westarted____________________ourtentsovertherebytheedgeofthewoods.7.Hewaspletely____________________readingandforgoteventotakehismeal.8.Theymetin1942and____________________therewerefirmfriends.9.IdidtrytotelephoneyoubutIcouldn’t____________________.10.Aftertrytothefact,hesaidfineandthensmiled____________________.1totakepartin2fallinlovewith3forthefirsttime4graduatefrom5leadto6tosetup/settingup7absorbedin8fromthenon9getthrough10inrelief能力提升阅读理解FifteenyearoldDavidhadspentsixmonthsplanningahiketothebottomoftheGrandCanyon(大峡谷)withhisclassmates.Noonecouldhaveknownitwouldendintragedy.Whenthegrouparrivedatthestartingpointforthehike,theyfoundtherewasaproblemwiththeirpermit.Tosolveit,thefiveboysandthreeleaderswalkedbackuptotherangerstation(护林站)—onlytofinditwasclosed.Whentheboysgotmoving,they’dalreadydrunkmostoftheirwater.Intheburningsun,temperaturesreacheda115°F.Eventheleaderswerehavingtroublewalkingon.ButthegroupfinallymadeitdowntothebottomoftheGrandCanyon.Heatevilwasoccurring.“Mysonmadeitabout100yardsfromtheriverandthendropped,”sayshisfather,Robin.Twoboysofthemracedtotherivertogethimwater.Whentheboysarrived,thelastrafting(漂筏运动)tripofthedaywaspassingby.Asluckwouldhaveit,amongthewaitingriderswereafewdoctors.TheyrushedtogiveDavidfirstaid.Butitwastoolate.Davidpassedawayfrom