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一个几何体的三视图如图所示，则该几何体的体积为（ ）
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高三下学期数学《》真题及答案
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.一个几何体的三视图如图所示则该几何体的体积为________.
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一个几何体的三视图如图所示则这个几何体的体积为____________.
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10分Whenathletesatthe2020TokyoOlympicscollecttheirmedalsthey'llnotonlybewearingsomethingthatcelebratestheirsportingperformancebutsomethingthatsymbolizeslastingness.Forboththe2020OlympicsandParalympicsorganizersaimtomakeallofthegoldsilverandbronzemedalsoutofusedelectronics.Thisstrongmessageabouthowtomakeuseofe﹣wastehasgottenaofJapaninvolved. StartinginApril2017theJapaneseOlympicCommitteebegancollectingoldlaptopsdigitalcamerassmartphonesandotherabandonedelectronics.Theinitiative倡议hasachievedgreatsuccess.Alreadythequantityneededforbronzemedalshasbeenmetandthey'reinthehomestretchforsilverandgoldmedalsmeaningthecollectionprocesscanpackupattheendofMarch. Whenlookingjustatthenumberofcellphonescollectedtheamountofwasteisshocking.Inaperiodofabout18monthsalittleover5millionsmartphoneswerecollectedthankstocooperationwithNTTDOCOMO.Japan'slargestmobilephoneoperatorallowedthepublictoturninphonesattheirshopswhichcountedalotintheproject'ssuccess. Afterbeingtakenapartandsortedthesmallelectronicsunderwentasmeltingprocesstoextract提炼allthegoldsilverandbronzeelements.Thankstothisinitiativetheworldwidestrugglewith﹣wastewillhaveaglobalplatform.AccordingtoastudypublishedbytheUnitedNationsUniversity﹣44.7millionmetrictonsofe﹣wasteweremadein2016.Only20%ofthatwasactuallyrecycled.Unfortunatelythisfigureissettorisesignificantlyinthecomingyearsmovingto52.2millionmetrictonsby2021.SowhiletheTokyoOlympicsinitiativemightbejustadropinthebucketit5sagoodstartinshowingwhatthepubliccandoifthey'remademoreawareoftheissue. 1WhatcanbelearntaboutTokyoOlympicsinitiativefromthepassage? A.E﹣wasteintheworldisincreasingsignificantly. B.Ifseasytogetelementsneededfromtheusedelectronics. C.Onlyproducersofelectronicsparticipatedintheproject. D.NTTDOCOMOcontributedtothesuccessoftheproject. 2WhichcanbestreplacetheunderlinedwordhomestretchinParagraph2? A.startingperiod B.collectioneffort C.finalstage D.hardsearch 3WhatinfluencedoestheTokyoOlympicsinitiativehave? A.Itoffersaneffectivemethodtosolvetheproblemofe﹣waste. B.Itshowsthepowerofadvancedtechnologyindailylife. C.Itsavestheexpensespentinmakingallthemedals. D.Itencouragesthepublic'sinvolvementindealingwithe﹣waste. 4Whatisthewriter'sattitudetotheTokyoOlympicsinitiative? A.Positive B.Negative C.Ambiguous D.Indifferent
30分Lastweek26﹣year﹣oldZiontookaseatandputhisfoodonatableataMcDonald's.Hewasintendingto1breakfastbyhimselfwhen70﹣year﹣oldJanwhoislivingalone2Zion.Thensheaskedinaweakvoice3shecouldsharethetablewithhim.Zionsaid‘yes'4. Zionintroducedhimselfandshookthelittlelady's5hand.Theydidn'tknoweachotherandtheycouldn'tbemore6.Buttodaytheyhadamealtogetherandspentthenext45minutesenjoyingeachother's7andsharingstoriesabouttheirlives.Liketheywerefriendstheytalkedand8together.WhentheirtimetogethercametoanendZion9hertohercarandtheyexchangednumberswiththeintentionofhavinga10againsoon. Sheissucha11womanZionrecalled.Shementionedmanytimeshowweallshouldloveoneanotherandhowweshouldnot12anyonebecauseyouneverknowhowtheirdayisgoingandwhattheyhave13. Zionisgladthathis14conversationwithJancouldinspiresomanypeoplebuthesaysthatheismostlyjusthappytohaveanew15.Hesaysthatheisvery16tosetupanotherbreakfastdate.I'll17tryingsaidZion.Iknowifwehadforevershewouldhavea18formeforeveryday. Everystrangerhasthe19tofosteranewfriendship.Their20storyhasbeenpostedonsocialmediaanditmeltsourhearts.Nowtheyareinternetfamous. 1A.prepare B.order C.eat D.finish 2A.invited B.approached C.recognized D.greeted 3A.that B.when C.how D.if 4A.enthusiastically B.casually C.nervously D.anxiously 5A.delicate B.strong C.wrinkled D.skilled 6A.popular B.different C.friendly D.admirable 7A.success B.peace C.freedom D.company 8A.laughed B.played C.cheered D.teased 9A.carried B.led C.walked D.drove 10A.visit B.breakfast C.share D.call 11A.wonderful B.silent C.generous D.content 12A.ignore B.blame C.suspect D.judge 13A.dependedon B.givenup C.gonethrough D.caredabout 14A.brief B.sweet C.private D.serious 15A.friend B.start C.target D.opportunity 16A.upset B.frightened C.proud D.excited 17A.start B.keep C.advocate D.consider 18A.gift B.food C.story D.sponsor 19A.potential B.intention C.fortune D.confidence 20A.strange B.familiar C.amusing D.touching
10分Manyteenagerswanttolookcool.1ChloeMurrayaneighth﹣graderatJeffersonMiddleSchoolintheUSrealizedthisproblemandestablishedacharitableclothescloset衣橱tohelpherpeers. 2Theschoolletherusearoomfortheproject.Chloesclassmatesjoinedheraswell. LastmonththecharitableclothesclosetcalledChloesClosetopened.3ConfidenceisarealissueinmiddleschoolespeciallywhenitcomestoclothingChloetoldtheChicagoTribuneadailynewspaperinChicagoUS. 4Manypeoplefromtheschoolscommunityandneighboringschoolsdonatedusedandnewclothes.Theclothesclosetisonlyopenafterschool.Studentscanbuytheseclothesbyearningmoneywhentheyturnintheirschoolworkontime.makecorrectionsonhomeworkparticipateinaschoolactivityorexpresshelpfulnesstotheirpeersandteachers.SincethefirstweekinMarchabout100itemshavebeensoldtostudents. 5ThentheywillbebetterabletofocusonthelearningmaterialratherthanpayingtoomuchattentiontowhattheyarewearingShannonArkoalanguageartsteacherattheschoolsaidaboutthemission使命ofthecloset.Feelinggoodaboutyourselftranslatesintoabetterlearningexperienceoverall. A.Wherearetheclothesfrom? B.Herschoolsupportedtheideatoo. C.Fashionhasalreadybecomeanimportantpartofstudents'lives. D.Youneedtosupplychildrenwithbasicneedssuchasclothing. E.Despiteallthesedifficultiesshewasabletostartacharitableclothescloset. F.Butnoteveryonecanaffordtokeepupwiththechangingfashiontrends. G.It'sfilledwithtrendyclothesforgirlsandboystohelpstudentslooktheirbest.
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15分随着手机及其他电子设备的普及低头族到处可见大街上公交车上……以年轻人为主针对这一问题请写一篇倡议书呼吁人们尽量抬起头来…… 注意1.行文连贯流畅2.参考词汇低头族phubber3.词数80词左右
食用油脂与人体健康食用油脂能供给人体必需脂肪酸促进脂溶性维生素的吸收是最常用的食品和调味品．食用油脂是一种高热量食品每克油脂在体内氧化释放37.7kJ的热量比等质量的糖和蛋白质高一倍多再加上不同油脂成分的差异性使如何选择和使用食用油脂存在不少盲区和误区．食用油脂中99%以上是脂肪酸还含有维生素AE少量矿物元素钙钾等．食用油中脂肪酸种类繁多主要分类方法见图1．不同油脂中各种脂肪酸的含量不同常见食用油中脂肪酸组成%如表．脂肪酸不仅种类繁多功能也各异．饱和脂肪酸能平衡血浆中脂肪酸浓度摄入过高会导致胆固醇甘油三酯等升高继而引发动脉管腔狭窄单不饱和脂肪酸分子内的碳原子之间存在一个碳碳双键C＝C主要是油酸C18H34O2ω﹣9油酸能降低总胆固醇和有害胆固醇但不会降低有益胆固醇多不饱和脂肪酸主要有亚油酸C18H32O2ω﹣6和α﹣亚麻酸C18H30O2ω﹣3它们是人体必需脂肪酸而且人体不能合成必需从食物中摄入．亚油酸有血管清道夫的美誉能防止血清胆固醇在血管壁沉积α﹣亚麻酸在人体分解后形成生命活性因子DHA和EPA是大脑的重要营养要素DHA能提高记忆力和思维能力EPA能降低血液中胆固醇和甘油三酯的含量降低血液粘稠度．天然状态下不饱和脂肪酸多数为顺式脂肪酸．反式脂肪酸主要存在于奶油类煎炸类和烘烤类食品中受加热过程影响油品中反式脂肪酸含量质量分数/%发生变化．其变化过程如图2所示．反式脂肪酸可妨碍必需脂肪酸在人体内的代谢提高总胆固醇与高密度脂蛋白的比例从而增加冠心病发病风险．依据文中内容回答下列问题1食用油脂能为人体提供的营养素有．2按油脂分类花生油属于．3常见食用油中多不饱和脂肪酸含量最高的是．4关于食用油脂下列说法正确的是．A．应少吃油炸烘焙类食品B．食物营养素中热量最高的是脂肪C．烹调食物时最好将油温控制在260℃以下D．油酸和亚油酸分子中碳碳双键的个数不同
“大理石”是常见的筑装饰材料容易受到酸雨含硫酸的侵蚀原因是用化学方程式表示．
10分Forcollegegraduatesitisofvitalimportancetowriteapplicationletterswell.1Itshouldstateclearlythejobyouwantandshouldtellwhatyouhavedone.Itshouldbesimplehumanpersonalandbriefwithoutleavingoutanynecessaryfacts. Inwritingaletterofapplicationkeepinmindthatthethingsapossibleemployerismostlikelytowanttoknowaboutareyourqualificationsyourachievementsandyouraims.2Ifthefirstfewsentencesfailtowinthereader'sattentiontherestofthelettermaynotbecontinuedatall.Trytokeyyouropeningremarkstotheneedsorinterestsoftheemployernottoyourownneedsordesires.ForexampleinsteadofbeginningwithIsawyouradvertisementintoday'snewspaperyoumightsayIhavemadeacarefulstudyofyouradvertisingduringthepastsixmonthsorIhavemadeasurveyinmyneighborhoodtofindouthowmanyhousewivesuseyourproductandwhytheylikeit. 3Beclearaboutthekindofjobforwhichyouarenowapplying.Collegegraduateslookingfortheirfirstpositionsoftenaskwhattheycanprovideinaletterandwhatifemployerswarnexperiencewhichnaturallynobeginnerhas.4 Itisimportanttowriteagoodstrongclosingforyourletter.Makeaspecificrequestforanintervieworgivethepossibleemployersomethingdefinitetodoorexpect.5Thatmakesiteasierforapossibleemployertogetintouchinyou. A.Hereareafewsuggestionsforyoutoprepareyourselfbetterforyourinterview. B.Anexcellentideaistoencloseastampedself﹣addressedenvelopewithyourletter. C.Theansweristhateverythingyouhaveeverdoneisexperience. D.Don'tbeafraidofbeinganewhand. E.Trytoavoidwritingingeneral. FThepurposeofaletterofapplicationistohelpyoutosellyourself. G.Theopeningparagraphisperhapsthemostimport.
下列物质不能与铁发生反应的是
30分Istoodonmygrandmother'sfrontporchwithmyson.Hehadabottleofbubbles.Youknowthe1it'sbasicallysoapywaterwithaplasticlooponeachend.Youdiptheloopinthebottle pullitoutandblowittomakebubbles.Mysonunderstoodtheprinciplebutwas2tryingtoblowbubbles.He3dipanddipandblowandblowbutalasnobubbles.He4methebottleandloopandaskedmeDaddycanyoumakebubbles? Ihadn'tblownbubblesinyears.Iama5byeducationfairlywell﹣trainedinsurfactant活性剂technology.Ihave6severalshampoossoIunderstandsurfacetensionandrelatedfoaming发泡沫characteristicsofsurfactants.Allthatknowledgeis7uselesswhentryingtoblowbubblesfromaloop8withsoapywater.Iwashavingno9successthanmyson.Idippedandpuffedstillnobubblesthesoapyfilmontheloopwouldjustpopwithout10anybubbles. Afterseveralfruitless111changedstrategies.12puffingontheloopofsoapywaterIgently13onit.Mysonscreamedwithdelightasabigbeautifulbubbleformedand14away.Hegrabbedtheloopdippedandblew.Nobubbles.I15tohimSonyoucan'tblowhard.Youmusteversogentlybreatheonthelooptomakebubbles.Hecontainedhisurgent16tomakebigbubblesbyblowinghardand17myadvice.Bigbubbles. Therearesomethingsthatyoucangetwith18forcebutotherthingslikeloveorrespectonly19thegentlenessofasoftbreath.The20somethingistohigherspiritthemoreitislikebubblesitcan'tbeforced.Blowbeautifulbubblesbreatheeasy. 1A.type B.color C.size D.liquid 2A.excitedly B.willingly C.quickly D.vainly 3A.could .B.would C.might D.should 4A.handed B.lent C.sent D.brought 5A.teacher B.doctor C.chemist D.physicist 6A.bought B.designed C.developed D.used 7A.nearly B.hardly C.partly D.completely 8A.filled B.loaded C.dotted D.crowded 9A.less B.much C.more D.little 10A.flying B.forming C.keeping D.taking 11A.attempts B.performances C.experiments D.adventures 12A.Inadditionto B.Otherthan C.Insteadof D.Inspiteof 13A.touched B.breathed C.felt D.tapped 14A.rushed B.jumped C.dropped D.floated 15A.explained B.whispered C.complained D.shouted 16A.anger B.desire C.manners D.dream 17A.heard B.followed C.shared D.refused 18A.mild B.weak C.powerful D.flexible 19A.resultin B.cometo C.consistof D.arisefrom 20A.dearer B.farther C.smaller D.closer
6分Differentcountrieshavedifferentcustomsespeciallyintablemanners.Somedininghabitsmaybeconsideredcivilizedinonecountrybutrudeinanother.Herearesomeinterestingfactsaboutsomecountries. France WheninFrancesplittingthebillAAwithfellowdinersshouldbeavoidedwhenpossible.You'reexpectedtooffertopaytheentirebillorsomeoneelseisexpectedtodg.so.OfcourseaccordingtoFrenchTodaytherearesomecasesWheresplittingthebillisOKlikewhendiningoutwithalargegroupofpeopleorwithcoworkers. Columbia Ifyou'reusedtocleaningyourplateyoumightwanttoconsidernotdoingsowhendininginColombiaIt'sconsideredrudetoleaveanemptyplatebecauseit'sasifyou'retellingyourhostthatheorshedidn'tgiveyouenoughfood. Australia InAustraliapeopletypicallyprefernottodiscussbusinessmattersoveramealaccordingtoEtiquetteScholarOfcourseitdependsonthepersonorgroupyou'rewithbutyoushouldpayattentiontoanycuesfromyourfellowdiningcompanionsforgoodmeasure. Kazakhstan InAmericait'sprettytypicaltogetannoyedwhenyourbaristadoesn'tfillyourcupalltheup.ButinKazakhstanitactuallyleaveyousatisfiedsinceitisagoodsign.AccordingtoEveryCulturehalf﹣filledcupsaremeanttokeepyourteawarmsinceyourhostwillcontinuouslyfillyourcupasawaytokeeptheinteractiongoingIfyourhostorserverweretofillyourcupwithteahoweveritisasignthattheymightwantyoutoleaveaccordingtoCommisceoGlobal. 1InFrancewithwhomissplittingthebillOKnowwhendining? A.yourchildren B.yoursweethearts C.yourcoworkers D.yourparents 2Inwhichcountryyouhadbetterleavesomefoodontheplate? A.France B.Columbia C.Australia D.Kazakhstan 3InKazakhstanifthehostfillsyourcupwithteaitmeansthat. A.youshouldleave B.youlikethetea C.youarethirsty D.theteatastesgood
15分Scotlandisauniqueplacewithlonghistorywhereyoucanfindnoble1palaceandcastles.Ithassomeof2mostbeautifulcitiesinEuropelivingwitnessofaproudandexcellentpast. 3discoverthetruesoulofScotlandtodaywehavetogotowardsthenorthernregionstotheGrampianMountainsItwasdifficulttofarmbuttheScotsdefeatedtheenvironmentwithstrongarms.Thehistoryofthisancientstruggleanditspeople'sancientloveforthehardlandare4apparentshownintheAngusFolkMuseum.Youcangetafeelofthetypicalruralatmosphereofpasttimesfromthedailyman﹣madeobjects5displayhere. FromcoastalAberdeen6theinsideoftheGrampianMountainsthererunstheCastleTrailaroadwithmanyfortresses要塞7arewitnessesof8continuefightsagainsttheruleofEnglandinScottishhistory. Another9attracthereisalegendarymonstertheLochNessMonster.Isthismonsterwhich10collectagood3000sightingsoverthelast50yearsrealorimaginary?Tomeetthecuriosityaboutitapriceof500000poundshasbeenputonthemonster'shead.
15分FormorethansixmillionAmericanchildrencominghomeafterschoolmeans1cometoanemptyhouse.SomedealwiththesituationbywatchingTV.Somemayhangoutoutside.2allofthemhavesomethingincommon.Theyspendpartofeachdayalone.They3calllatchkeychildren﹣theyarechildrenwholookafterthemselveswhiletheirparentswork.Andtheirbadsituationhasbecomeasubjectofconcern. Aheadmasterofanelementaryschoolsaidthattherewasaschoolruleagainstwearingjewelry.Alotofkidshadchainsaroundtheirneckswithkeys4attach.Hewasconstantlytellingthemtoputtheminsideshirts.Thereweresomanykeysallof5werehousekeys. Hebegantalkingtothechildrenwhohadthem.Thenhelearnedtheinfluencethatworkingcouplesandsingleparentswerehaving6theirchildren.Fearisthebiggestproblemfacedbychildrenathomealone.Manyhadnightmaresandwereworriedabouttheirown7safe. Themostcommonwaylatchkeychildrendealwiththisisbyhiding.Itmightbeinabathroomunderabed8inacloset.ThesecondisTV.They'llwatchitwiththevolumeturneduphigh.Mostparentsdon'trealize9iteffectontheirchildrenandmostparentsareslowtoadmitthefact10theyleavetheirchildrenalone.
下列物质中不需密封保存的是
15分假如你是李华最近刚到美国一所大学求学在学习生活上遇到了问题想向导师Mr.Brown求助.请你写封邮件内容包括 1.问题描述2.请求帮助3.预约时间. 注意1.词数80左右2.可以适当增加细节以使行文连贯.
25分阅读下面短文根据其内容写一篇60词左右的内容概要. FormostofussocialmedialikeTwitterandFacebookisapartofoureverydaylives﹣atworkhomeorboth.Butalotofpeoplearestillfiguringoutwhentouseitandhow.Thisisespeciallytrueinhighschoolwheremanyteachersareunsureofhowitfitsintheclassroom. DanKrutkaahighschoolteacherisanadvocateforusingsocialmediaintheclassroomandisanenthusiasticuserofTwitterhimself.Krutkasaysit'sagreatwaytocommunicatewithhisstudentsduringnonclasshours.YoucancontinuetolearntogetheroutsidetheclassroomsaysKrutka.SowhenstudentsarepostingonTwitter﹣saytheypostsomethinginaccuratelyortheymakeareallygoodpoint﹣Icangoaheadandrespondtothembeforeclass. Krutkasaystweetingwithhisstudentsisn'tjustaboutconvenienceit'salesson.Hesaysstudentsneedtolearnhowtousesocialmediaproperly.Peopleusesocialmediairresponsiblyandschoolshouldbeaplacewherewe'retalkingaboutthatandhowtouseitresponsiblyhesays.AsateacherIthinkpartofmyjobistohelpstudentsunderstandhowtomakebestuseofitasthoughtfullearners. ButKrutkaisamongthefeweducatorswhofeelthisway.ManyschoolsincludingthoseinWesternMassachusettsarestillstrugglingwithwhetherornotTwitterorFacebookshouldbeusedasteachingtools.Manyteachersbelievethatsocialmediaingeneralcaneasilydistractstudents.SeanKavanaghaninthgradeworldhistoryteachertriedusingTwitterinclassbutwasdistractedbyallofthenonclassrelatednoise. Besidesitseemsthatsomestudentsdon'tfeellikethiswayeither.RayLynnisinKavanagh'shistoryclass.I'dratherkeepmyschoolandmypersonalsocialmedialifealittlemoreseparateshesays.I'drathernothavemyteacheronmyTwitterorFacebook.
下列物质中含有氧分子的是
25分2019年元宵节LanternFestival故宫首次开放衣场旅游盛况空前假定你是李华你的朋友Jack参观了元宵故宫灯会lanternshow.现你校文学社LiteratureClub要征集役游故宫灯会经历的稿件请你写一封电子邮件邀请Jack投稿内容包括 1.稿件主题夜游故言灯会经历和感受 2.截止日期2019年3月31日 3.投稿方式邮箱20190678@qq.com 注意1.词数100左右 2.可适当增加细节以使行文连贯. DearJack Yours LiHua
8分Ifyouaskmostpeoplewhatwatertasteslikethey'llprobablytellyouthatwaterhasnotasteandtheymaygiveyouafunnylook.Butifyouwereafruitflyaskinganotherfruitflythatquestionmighthaveadifferentanswer. Toafruitflywaterhasataste.Scientistswanttoknowhowthefruitflyknowswaterbecausethisinformationmayhelpinlearninghowotheranimalsmanagetousewaterintherightway.Waterisveryimportanttolifebuttoomuchortoolittlecanbedeadlytoalivingcreature.Sobyunderstandinghowthefruitflytasteswaterresearchersmaylearnmoreaboutotherlivingthings. AccordingtothenewstudyaproteincalledPPK28makesitpossibleforaflytotastewater.Proteinsbuildcellsandtissuesfightdiseaseandcarrymessagesbetweencells.It'snotsurprisingthataproteinisresponsibleforthefruitfly'sabilitytotastewater. ThePPK28proteinispartofalargerfamilyofsimilarproteins.Oneoftheserelatedproteinsisusedbymammalsincludinghumanstotastesalt.Scientistshavenotfoundaproteinthatenableshumanstotastewater.IntheexperimentCameronandhisteamcomparednormalfruitflieswithfruitflieswhosetastecellshadhadbeendisabled.ThefruitfliesweregivenaspecialchemicalthatwouldglowwhentheflyusedthePPK28protein.Thenthescientistsledthefliestowater.WhenthenormalfliestastedthewaterthePPK28proteinlitup﹣showingthatitwasinuse.Thefruitflyinparticularissointerestingthatsomescientistsarehardatworkcreatingacompletemapofthefruitflybrain.Thismapwillshowallofafly'sneuronsandhelpscientistsunderstandhowtheneuronsworktogether. 1Howdomostpeoplefeelwhenaskedthetasteofwater? A.Disappointed B.Frightened. C.Amused D.Disgusted. 2Whydoscientistswanttounderstandhowthefruitflyknowswater? A.Todecreasethenumberofthefruitfly. B.Toknowmoreaboutothercreatures. C.Tomanagetousewatercorrectly. D.Todescribethetasteofwater. 3WhatdoweknowaboutthePPk28protein? A.Itcanmakehumanstastesalt. B.Itenablesthefruitflytotastewater. C.Thefruitflycan'tlivewithoutit. D.Thefruitflyusesittoavoidillnesses. 4Whatwillthescientistscontinuetoworkat? A.MakingthePPk28protein. B.Tellingmoreinformationaboutcells. C.Creatingmapsofhumanbrains. D.Studyingthefruitfly'sneuronsystems.
7.5分IntheU.S.stateofWashingtonaroadcalled^Interstate90^cutsthroughawildmountainousareatoreachthecityofSeattle.Forthearea'smanykindsofanimalsthebusyhighwaygreatlylimitstheirmovements.Crossing1﹣90﹣astheroadiscalled﹣isariskybutsometimesnecessaryact.Butsoonanimalswillhaveasaferchoiceforcrossingtheroad.Theywillbeabletogoaboveit. Tohelptheanimalsthestateisfinishingworkonitslargest﹣everwildlifebridge.The11﹣meter﹣tall20﹣meter﹣widestructurebeginsintheforest.Itformstwoarchesabovethehighwayoneforeachdirectionoftraffic.Workersareaddingfencingandplantstohelpguidetheanimalsacrossthebridge.Two﹣meter﹣thickwallswillhelpblocknoisefromvehiclesbelow. The1﹣90BridgeispartofagrowingnumberofwildlifecrossingsacrosstheUnitedStates.Somearefencessomeareoverlandbridgesandsomeareunderpasses.Theyallaimtokeepdriversandanimalsawayfromeachother.Collisionsbetweenanimalsanddriversarerarelydeadlytopeople.Buttheyareoftendeadlytowildlife.InCanada'sBanffNationalParkstudieshavefoundthatwildlifecrossingsreducethearea'sanimal﹣drivercollisionsby80percent. Mostofthewildlifebridgesareinwesternstates.Butexpertshavenotedmanyotherareasthathaveaneedforsuchpaths.JenWatkinswhoseorganizationhashelpedcampaignforanimalcrossingssaysftindformorecrossingsisthenumber﹣onebarrier. PattyGarvey﹣DardaoftheU.S.ForestServicehasworkedonthe1﹣90crossingfromthestartoftheproject.Shesaysthe﹩6﹣millionbridgewillonedaypayforitselfbecausethehighwaywillnothavetobefullyorpartlyclosedeachtimealargeanimalisstruck.ShesaidIfyoushutdownInterstate90youshutdowninterstatecommerce. 1WhatisthepurposeofbuildingthebridgeoverInterstate90? A.Toreducehumandeathsincrashwithwildlife. B.Topreventwildlifefrombeingstruckbyvehicles. C.Toarousepublicawarenessofwildlifeprotection. D.Toprovideasaferchoicetocrosstheriskyroad﹣ 2AccordingtoJenWatkinswhatisthebiggestchallengeincrossingconstruction? A.Findingwaystohelpguideanimalsacrossthebridge. B.Collectingmoneytobuildmorewildlifecrossings. C.Locatingareastoconstructappropriatecrossings. D.Encouragedriverstoobeytheregulationsoftraffic. 3WhatdotheunderlinedwordsinParagraph5imply? A.Thebridgewillprovetobewellworththehighprice. B.Expenseforbuildingsuchbridgeswillbereduced. C.Thebridgewillgreatlypromotetradeandcommerce. D.Livessavedthroughthebridgearedefinitelybeyondprice.
30分Cruz11andAnthony10couldn'tagreewerethebirdsoutontheiceducksorgeese?Therewasonlyonewaytofindout.Soona1Januaryeveninglastyearthetwofriends2ontothefrozenpondneartheirhomesinFrankfortIllinoistogeta3look.Firsttheythrewarockontotheiceto4itthentheysteppedonit.5theicewouldholdtheirweightAnthonytookafewstepsthen…FOOMP.Hecrashed6theseeminglyfrozensurface.TherewasnosoundnocrackhesaidIjustfellthrough7. Cruzrushedtohelphis8friend.FOOMP﹣thepond9himtoo.Theboyswereuptotheirnecksinicywaterandquicklylosing10intheirlimbs.Anychanceoftheirfreeingthemselveswas11.Cruzwassurehewasgoingtodie.Anthony'ssisterhadseenitandstartedscreamingforhelp. JohnLavinaneighbor12nearbyheardherandquicklypulledover.Seeingtheboyshegrabbedanearbybuoy救生圈withonehandkickedoffhis13andranintotheicywaterhittinghiswaythroughtheicewithhisfree14.EventuallyLavin15hiswaytoCruzandAnthonyandpulledthembacktoland.Theyweretakentothe16wheredoctorsdiscoveredthattheirfive﹣minutestayinthewaterhad17theirbodytemperaturenearlytendegrees. 18theboyshavefullyrecoveredthankstotheir19neighbor.JusttothinksaysCruz20hewasn'tthereIcouldhavedied. 1A.warm B.chilly C.rainy D.windy 2A.toured B.rushed C.ventured D.wandered 3A.casual B.actual C.better D.deeper 4A.test B.break C.hit D.see 5A.Bothered B.Persuaded C.Concerned D.Convinced 6A.through B.onto C.in D.across 7A.slowly B.apparently C.instantly D.gradually 8A.discouraged B.panicked C.frustrated D.confused 9A.drowned B.drew C.embraced D.swallowed 10A.balance B.feeling C.faith D.heart 11A.givingaway B.slippingaway C.slippingout D.givingout 12A.driving B.passing C.coming D.walking 13A.bags B.gloves C.shoes D.clothes 14A.fist B.leg C.arm D.finger 15A.felt B.broke C.swam D.made 16A.shelter B.home C.school D.hospital 17A.lowered B.raised C.lessened D.changed 18A.Unexpectedly B.Fortunately C.Naturally D.Immediately 19A.strong B.considerate C.fearless D.friendly 20A.unless B.until C.when D.if
7.5分The13thofJune1325IleftTangiermybirthplacewiththeintentionofmakingthepilgrimagetoMecca去麦加朝圣…toleaveallmyfriendstoabandonmyhomeasbirdsabandontheirnests.SobeginsanoldmanuscriptinalibraryinParis﹣thetraveldiaryofIbnBattuta. AlmosttwocenturiesbeforeColumbusthisyoungMoroccansetoffforMeccareturninghomethreedecadeslaterasoneofhistory'sgreattravelers.DrivenbycuriosityhejourneyedtoremotecornersoftheIslamicworldtravelingthrough44moderncountriesthreetimesasfarasMarcoPolo.LittlecelebratedintheWesthisnameiswellknownamongArabs.InhishometownofTangierasquareahotelacafeaferryboatandevenahamburgerarenamedafterhim. IbnBattutastayedinMeccaasastudentforseveralyearsbuttheurgetotravelsoontookover.InoneadventurehetraveledtoIndiaseekingprofitableemploymentwiththesultan﹣theMuslimrulerofDelhi.Onthewayhedescribedhisgroupbeingattackedintheopencountryby80menonfootandtwohorsemen…IwashitbyanarrowandmyhorsebyanotherbutGodinhisgracepreservedme…InDelhithesultangavehimthepositionofjudgebasedonhispreviousstudyatMecca.ButthesultanhadanunpredictablecharacterandIbnBattutalookedforanopportunitytoleave.WhenthesultanofferedtofinanceatriptoChinaheagreed.IbnBattutasetoffinthreeshipsbutmisfortunestruckwhilehewasstillontheshore.Asuddenstormgroundedandbrokeuptwoshipsscattering散播treasureanddrowningmanypeopleandhorses.Ashewatchedthethirdshipwithallhisbelongingsandslaves﹣onecarryinghischild﹣wascarriedouttoseaandneverheardfromagain. AfteralifetimeofamazingadventuresIbnBattutawasfinallyorderedbytheSultanofMoroccotoreturnhometosharehiswisdomwiththeworld.Fortunatelyheagreedandwroteabookthathasbeentranslatedintonumerouslanguagesallowingpeopleeverywheretoreadabouthisunparalleledjourneys. 1WhatcanwelearnaboutIbnBattutafromthepassage? A.HehadgreatinterestintheIslamicworld. B.Hereturnedtohishomelandtowriteabook. C.HisjourneyswerelessimportantthanMarcoPolo's. D.Hisjourneyswereverycommonforpeopleofthattime. 2TheSultanofDelhigaveIbnBattutaapositionofjudgebecause. A.IbnBattutahadstudiedinMecca B.IbnBattutahadbeenajudgebefore C.IbnBattutahadbeenpopularwithArabs D.IbnBattutahadtraveledtomanycountries 3Whichisthebesttitleforthepassage? A.TheLearnedIbnBattuta B.AVisitortoMecca C.TheTravelsofIbnBattuta D.DesireforAdventures
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