外研版高中英语选择性必修第一册学案Unit5　Revealingnature课时分层作业15表达作文巧升格Word版含解析【高考】

课时分层作业(十五)Ⅰ.阅读理解ADoplantslistentomusic?Howcanaplantpossiblyrespondtomusic?Well，plantsbreathethroughtheirmanymouths，whicharealsoknownasstomataandithasbeendiscoveredthatplantstomatarespondtomusic!Afewyearsago，scientistsattheUniversityofCalifornia，SanDiegodiscoveredwhatcontrolsaplant'sstomata.Thetwocellsthatformthestomaconsistofspecializedcellsadjustedtotheresonant(共鸣的)frequencyofcalcium(钙)．Whenexposedtothisfrequencythestomataclose.However，ifthefrequencyisn'texactlyrightthecellswillopenagainwithinanhour.Thishappenseveniftheconcentrationofcalciumishighenoughthatthestomatawouldnormallyclose.Whenspecificmusicorbirdsongscausetheplanttovibrate(颤动)，butnotattheexactfrequencyforcalciumresonance，thestomatawillopenafteramisjudgmentoftime，eventhoughtheplantwouldkeepthemclosedundernormalcircumstances.Testinghasshownthataleaffertilizer(肥料)appliedtotheplantwillhavemoreeffectonthedevelopmentandgrowthoftheplantifitsstomataarewideopen.Thisisquitelogical，becauseplantsabsorbtheleaffertilizerthroughtheirstomata.binationsoffrequencyandleaffertilizerareavailableformanydifferentcrops.However，ifthestomataareforcedtoremainopen，theplantwon'tbeabletocontroltheamountofwaterlostandsoitrisksdehydration(脱水)．Asaresult，exposingplantstomusicforover3hoursadaycouldendangertheirhealth.Therecouldalsobebadeffectsonplantsifthevolumeorfrequencyistoohigh.Itisn'texactlyclearhowmusicinfluencesthedevelopmentandgrowthofplants，butmoreandmoreisbeingdiscoveredaboutresonancephysicsandwe'recloserthanevertosolidscientificproofandtheoriesinthisarea.Maybe，intwentyyears'timepeoplewilllaughifyousayplantsdon'thaveears!【语篇解读】本文是一篇科普文。主要介绍了音乐对植物的影响。1．WhydoestheauthoraskthequestionsinParagraph1?A．Toexpresshisdoubts.B．Topresentdifferentideas.C．Todescribethelifestyleofplants.D．Tointroducepointsfordiscussion.D[推理判断题。根据文章第一段中的“ithasbeendiscoveredthatplantstomatarespondtomusic”以及下文内容可以推断，作者在文章首段提出那两个问题是为了引出本文要讨论的主题。]2．Whatdoestheunderlinedword“This”inParagraph2referto?A．Thereopeningofthecells.B．Thechangeinfrequency.C．Thefrequencyofcalcium.D．Theclosingofthestomata.A[代词指代题。根据上下文内容可知，画线词是指代上文提到的“thecellswillopenagain”这一情况。]3．Itcallbeinferredfromthetextthat.A．futureplantsarelikelytohaveearsB．howmusicaffectsplantgrowthiswidelyknownC．growersmustbecarefulwhenexposingplantstomusicD．thestomatadon'taffecttheeffectofleaffertilizeronplantsC[推理判断题。根据文章第四段内容可知，如果让植物长时间地暴露在音乐环境中或者音乐的音量或频率过高，会对植物产生不良的影响，如植物会脱水等。由此可以推断，种植者在让植物暴露在音乐环境中时必须小心。]4．Whichcanbethebesttitleforthetext?A．BenefitsofMusictoPlantsB．InfluenceofMusiconPlantsC．HowtoImprovePlantGrowth?D．HowDoPlantsListenWithoutEars?B[标题归纳题。通读全文可知，本文主要讲音乐能够促进植物的生长，但是如果让植物长时间地暴露在音乐环境中或者音乐的音量或频率过高，反而会对植物产生不良的影响。由此可知，B项“音乐对植物的影响”最能概括本文的内容。]BMyfirsttermatMIT(麻省理工学院)wasawesome—IgotallA's，andIdeclaredmathasmymajor.MyparentswereexpectingmetobeeadoctorlikethemsoIwastryingtosatisfythem.ButIwasdesperatelyrunningawayfromthem.IhadnoideawhatIwantedtodowithmylife.Mythirdterm，IendedupwithaDinmath.Ididn'tdothatwellinmyotherclasses，either.Itseemedlikeallmyfriendsweredoingsowell，gettingopportunitiesoverthesummers.Myfifthterm，IrealizedthatIwasawfulathigher­levelmath.Ihadlostallconfidenceinmyself.Iwenttoafewclassesatthebeginningoftheterm，butafterbymidterm，Ihadtotallystopped.MyonlyreliefwasthedanceteamIwason.Iwouldsleepallday，andthengotodancepractice，andthengobacktosleep.Asexpected，IfailedinallofmyclassesandhadtowithdrawfromMIT.Ihadnochoicebuttotellmyparents.Insteadofyellingorhittingme，though，theyjustheldmeandcried.Thenextday，mydadtookadayofffromworkandtookmetoanearby，smallartscollege.Ihadlostallconfidenceinmyself.Beforemyfirstbiologytest，Ididn'tthinkIcouldpass.Ididpass.SinceIhadsomuchfreetime，Idecidedtojoinabiologylab.IrealizedthatwaswhatIwantedtodo!Iwantedtobeascientist!ThispastMay，Igraduatedwiththehighesthonors，andnowIhavemyPhDinbiology.Thoughitendeduptakingme5yearstograduatefromcollege，IcansaynowthatdroppingoutofMITwasoneofthebestthingsthateverhappenedtome.I'verealizedthatapersonisnottheirgrades.I'verealizedhowmuchmyparentslovedme.I'vefinallydiscoveredmypassion(热情)inlife!【语篇解读】短文讲述了一名麻省理工学院学生在退学后又经过努力，找到自己的兴趣和目标的故事。5．Howwastheauthor'sfirsttermatMIT?A．Hewasbusywithexams.B．Heknewhisgoalsclearly.C．Hedidwellinallsubjects.D．Hewasfedupwithmath.C[细节理解题。由一段中的“MyfirsttermatMIT(麻省理工学院)wasawesome—IgotallA's”可知，我在麻省理工的第一学期成绩非常棒——所有的科我都得了A。所以作者第一学期各科成绩很好。故C选项正确。]6．Howdidtheauthor'sparentsreacttohisfailingatMIT?A．Theyhithim.B．Theyyelledathim.C．Theyquittheirjobstoteachhim.D．Theyforgavehimforwhathedid.D[细节理解题。由第三段中的“Insteadofyellingorhittingme，though，theyjustheldmeandcried.Thenextday，mydadtookadayofffromworkandtookmetoanearby，smallartscollege.”可知，然而，他们(父母)没有对我喊叫或打我，只是抱着我哭了。第二天，我爸爸请了一天假，带我去了附近的一所小型艺术学院。所以作者的父母没有因为他退学而责罚他，而是原谅了他。故D选项正确。]7．Intheartscollegetheauthor.A．rebuilthisconfidenceB．volunteeredatmanylabsC．foundithardtolearnbiologyD．hatedthelearningenvironmentA[推理判断题。根据第四段中的“Beforemyfirstbiologytest，Ididn'tthinkIcouldpass.Ididpass.SinceIhadsomuchfreetime，Idecidedtojoinabiologylab.IrealizedthatwaswhatIwantedtodo!Iwantedtobeascientist！”可知，在我第一次生物考试之前，我认为我不能通过。但是我真的通过了。因为我有很多的空闲时间，所以我决定加入一个生物实验室。我意识到这就是我想做的！我想成为一名科学家！所以通过作者考试成绩，以及作者意识到了自己真正想做的事情可以判断出，作者在新里逐渐找回了自信。故A选项正确。]8．Whatdoweknowabouttheauthorfromthelastparagraph?A．Hefeltsorryforhisparents.B．Hediscoveredhistrueinterest.C．Herealizedtheimportanceofgrades.D．HefeltashamedofhisfailingatMIT.B[细节理解题。由最后一段中的“I'vefinallydiscoveredmypassion(热情)inlife”可知，我终于发现了我生活中的激情！所以作者找到了生活中自己的兴趣所在。故B选项正确。]Ⅱ.读后续写阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整的短文。续写的词数应为150左右。OnewinterSunday，mylittlesister，Colleen，andIbuiltthegreatestsnowmanever.Wegavehimacarrotnose，beautifulhat，cozyscarfandgloves.Hewasamasterpiece(杰作)．Thenextmorningwhenlookingoutside，wesmiledlovinglyathimoverourmeal.Wegavehimahigh­fiveaswepassedbyonourwaytoschool.Alotofkidswentpastourhouse，sohewasthehottopicatourschoolthatmorning.Itwasourpride!Thedaydraggedonuntilfinallywecouldrushhome.Butasouryardcameintosight，wesawsomethingwrong.Thesnowmanwasgone!Weonlyfoundabrokenstickhere，atornglovethereandballsofsnoweverywhere.Worstofall，thesnowman'sonce­proudcarrotnoselaylimp(无力的)andhalf­eaten.Whathadhappened?Wewerebothastonishedandangry.Butthen，wewereonlykids，whowouldn'thaveanythingtakingawayourhappiness.Actuallyweknewonlyonething：Oursnowmanwouldriseagain.Andsowerebuilthim.Thenextdaywecamehometofindanothermessonthefrontlawn(草坪)．Fortherestoftheweek，thedestructionwasrepeateddaily.Eachafternoonwe'dreturntofindoursnowmanhadfallenapart，andthenwebuiltagain.BySaturdaymorning，wehadaplan.Weborrowedareallybigbucket(水桶)fromMom，filleditwithwaterandleftitoutside.Thenextmorning，itwasfrozensolid.Wepackedsnowallaroundtheiceblockasthebase(底座)ofthesnowman.Thenwebuilttheotherpartsofitonceagain.Thetrapwasset，andwewaitedforthesnowmanbullies(破坏者)toe.Paragraph1：Mondaymorning，hidingbehindthewindow，wesoonsawwhatwewerewaitingfor.Paragraph2：Seeingtheirpainedlook，wecouldn'thelplaughing.【参考范文】Mo