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如图，直线OD与x轴所夹的锐角为30°，OA1的长为1，△A1A2B1、△A2A3B2、△A3A4B3、…、△AnAn+1Bn均为等边三角形，点A1、A2、A3、…、An+1在x轴的正半轴上依次排列...
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如图点A.t4在第一象限OA与x轴所夹的锐角为αtanα＝则t的值为
如图点
（t,3）在第一象限，OA与x轴所夹的锐角为α,
，则t的值是（) A.1
1.5
2
3
如图点A1.53在第一象限OA与x轴所夹的锐角为αtanα=
1
1.5
2
3
已知圆心为C的圆满足下列条件圆心C位于x轴正半轴上与直线3x-4y+7=0相切且被y轴截得的弦长为2
如图已知点A.10B.20为直角坐标系内两点点C.在x轴负半轴上且OC=2OA以A.为圆心OA为半径
如图点A.3t在第一象限射线OA与x轴所夹的锐角为α则t的值是.
如图点A.3t在第一象限OA与x轴所夹的锐角为αtanα=则t的值是.
如图点At3在第一象限OA与x轴所夹的锐角为αtanα＝则t的值是
1
1.5
2
3
已知如图l∥m等边△ABC的顶点B.在直线m上边BC与直线m所夹锐角为20°则∠α的度数为
60°
45°
40°
30°
如图点A3t在第一象限OA与x轴所夹的锐角为αtanα=则t的值是．
一直线和之间所夹的锐角称为该直线的象限角
标准方向
另一直线
平面
X轴
已知P.23OP与x轴所夹锐角为a则tana=_______.
如图点A2t在第一象限OA与x轴所夹锐角为αtanα=2则t值为
4
3
3
1
如图点A3m在第一象限OA与x轴所夹的锐角为∠1tan∠1＝则m的值是．
点At2在第二象限OA与x轴所夹的锐角为αtanα＝则t的值为
﹣
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如图AB为⊙O.的直径AB=2点在M.在QO上MC垂直平分OA点N.为直线AB上一动点N.不与A.重
如图点A.t4在第一象限OA与x轴所夹的锐角为αtanα＝则t的值为____________.
如图直线OD与x轴所夹的锐角为30°OA1的长为1△A.1A.2B.1△A.2A.3B.2△A.3A
如图已知在Rt△OAC中O.为坐标原点直角顶点C.在x轴的正半轴上反比例函数y=k≠0在第一象限的图
如图四边形AODB是边长为2的正方形C.为BD中点现以O.为原点OAOD所在的直线为坐标轴建立直角坐
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30分Whentimesbecomedifficultandyouknowtheysometimeswillrememberamomentinyourlifethatwasfilledwithjoyandhappiness. Alovelylittlegirlwasholdingtwoappleswithbothhands.Hermumcameinand1askedherlittledaughterwithasmilemysweetiecouldyougiveyourmumoneofyourtwoapples?Thegirllooked2athermumforsomesecondsthenshesuddenlytookaquick3ononeappleandthenquicklyontheother. Themumfeltthesmileonherface4.Shetriedhardnottoshowher5.Thenthelittlegirlhandedoneofher6applestohermumandsaidmummyhereyouare.Thisisthe7One. Nomatterwhoyouarehowexperiencedyouareandhowknowledgeableyouthinkyouarealways8judgment.Giveotherstheprivilegeto9themselves.Whatyouseemaynotbethe10.Neverconcludeforothers.Whichiswhyweshouldneveronly11thesurfaceandjudgeotherswithoutunderstandingthem12. Thosewholiketopaythebilldosonotbecausetheyareloadedbutbecausetheyvalue13abovemoney. Thosewho14firstafterafightdosonotbecausetheyarewrongbutbecausetheyvaluethepeoplearoundthem. Thosewhooftentextyoudosonotbecausetheyhave15bettertodobutbecauseyouareintheirheart. Onedayallofuswillget16fromeachotherwewillmissourconversationsofeverythingandnothingthe17thatwehad.Dayswillpassbymonthsyears18thiscontactbecomesrare…Onedayourchildrenwillseeour19andaskWhoarethesepeople?Andwewillsmilewithinvisibletearsbecauseaheartistouchedwithastrongwordandyouwillsay20WASTHEMTHATIHADTHEBESTDAYSOFMYLIFEWITH 1A.quickly B.softly C.curiously D.sadly 2A.up B.down C.out D.around 3A.look B.taste C.bite D.try 4A.remain B.rise C.speed D.freeze 5A.satisfaction B.disappointment C.amusement D.confusion 6A.rotten B.deserted C.split D.bitten 7A.sweeter B.bigger C.fresher D.juicier 8A.offer B.delay C.stop D.pass 9A.criticize B.reflect C.explain D.introduce 10A.result B.purpose C.attempt D.reality 11A.workout B.holdup C.focuson D.giveup 12A.first B.last C.wrong D.little 13A.friendship B.material C.bill D.surface 14A.sacrifice B.suffer C.survive D.apologize 15A.something B.nothing C.everything D.anything 16A.lost B.retired C.separated D.divorced 17A.talks B.argument C.dreams D.contradict 18A.until B.when C.though D.after 19A.articles B.stories C.telephones D.pictures 20A.WHAT B.IT C.THAT D.SUCH
15分DuncanHiLucy.Comebackfromyoursummerholiday?Seemsages1Ilastsawyou.Wherehaveyoubeen? LucyHiDuncan!WellIwasinItalyformyholiday. DuncanItaly?Whataluckydogyouare!Somanybeautifulthings2seetheLeaningTower!Ohyeahthefootball!WhereelsedidyougoafterItaly? LucyNoIstayedinItalyuntilyesterday. DuncanWhat?Youmeanyouspent3wholeholidaythere?Notjustoneweek4twoweeks?Buthowcouldyoumanagetodothat?Youareno5richthanIam.Didyourobabank? LucyNonsense!6actualitwaseasy.Igotajobthere.IgaveEnglishlessonstoagrocer. DuncanButyouarenotalanguageteacher. LucyI7tellhimIwasn'tbutheinsistedonhavingconversationlessons.HehadalotofcustomersfromEnglish﹣﹣speakingcountriesso8wasveryimportantforhimtobeabletospeakEnglish.9returnhegavememoneyaswellasaroomandthreemealsaday. DuncanMmdidyourstudentlearnmuchEnglish? LucyIdon'tknow10IlearnedalotofItalian.
6分Itturnsoutthatnoddingoffinclassmaynotbeabadideaasanewstudyhasshownthatgoingtosleepshortlyafterlearningnewmaterialsisthebestwaytorememberthem. AccordingtoUSleadauthorJessicaPayneapsychologistattheUniversityofNotreDameinIndiananoddingoffafterlearningsomethingnewisliketellingthesleepingbrainwhattoremember.Alongwithcolleaguesshestudied207studentswhosleptforatleastsixhourspernight.Studentswererandomlyassignedtostudysomethingdeclarative陈述的at9a.m.or9p.m.andreturnedfortesting30minutes12hoursor24hourslater. Declarativememoryreferstotheabilitytoconsciouslyrememberfactsandeventsandcanbedividedintomemoryforeventsandmemoryforfactsabouttheworld.Peopleusebothtypesofmemoryeveryday﹣rememberingwheretheyparkedtodayorlearninghowacolleaguepreferstobecalled. Atthe12﹣hourretestmemorywasbetterfollowinganightofsleepcomparedtoadayofwakefulness.Atthe24﹣hourretestwithallstudentshavingreceivedbothafullnightofsleepandafulldayofwakefulnessstudents'memoriesweregreaterwhensleephappenedshortlyafterlearningratherthanfollowingafulldayofwakefulness. Ourstudyconfirmsthatsleepingdirectlyafterlearningsomethingnewisbeneficialformemory.What'sspecialforthisstudyisthatwehaveshownsleep'sinfluenceondeclarativememoryPaynesaid.Sincewefoundthatsleepingsoonafterlearningbenefitedbothtypesofmemorythismeansthatitwouldbeagoodthingtogooveranyinformationyouneedtorememberbeforegoingtobed.Insomesenseyoumaybetellingthesleepingbrainwhattoconsolidate. 1What'sthemainideaofthetext? A.Howtoimproveone'smemoryisadifficultproblem. B.Noddingoffafterlearningsomethingnewhelpsrememberit. C.Studentsshouldnodoffinclassaftertheylearnnewmaterials. D.Thebestwaytoremembernewmaterialsistonodoffinclass. 2Wecanlearnaboutthestudythat. A.JessicaPayneandhercolleaguesweretested B.207studentswereeagertotakethetest C.ittestedstudentsstudyingsomethingdeclarative D.people'smemorycanbedividedintotwotypes 3Paragraph4mainlytellsus. A.students'memoriesarethebestiftheysleepfor12hourseachday B.sleepingfor24hourscontributestoimprovingstudents'memories C.afulldayofwakefulnesscanmakestudents'memoriesimprovedgreatly D.students'memoriesarebetterwhensleephappensshortlyafterlearning
8分Ainnovativefloatingdamthattrapsplasticbagsbottlesandotherpiecespollutingtheworld'soceanswillbeusedintheNorthSeaforthefirsttimein2016.TheOceanCleanupplanstoinstallthisrevolutionary328﹣foot﹣longbarrierinthesummeroffthecoastoftheNetherlands. ComparedtoothercleanupmethodsOceanCleanup'sbarrierusescurrentstopassivelyensnare诱导wavesofgarbagewhileallowingfishandotherseacreaturesthroughaccordingtoanewsrelease.Researchershavetestedthefloatingdamsusingextensivecomputermodelingandscalemodelincontrolledenvironments.Sincetheyhaveprovedsuccessfulengineersbelieveitistimetomovethebarriertothenextstageofdevelopmentopenwaters. Eacharmoffloatingdamhasascreenthathangs10feetbelowthewater'ssurfaceblockingwasteanddirectingittoacentralpointwhereitcanbecollectedforrecycling.Camerasandsensorswillregularlymonitorthemotionsofthebarrierandtheloadsonthesystem.Thatwayresearcherscanbetterassessiftheirdesigncanbeusedtocleanuptheworld'soceanicgarbagepatches. TheGreatPacificGarbagePatchspanswatersfromtheWestCoastofNorthAmericatoJapan.Strongcurrentsdrawlargeamountsofplasticdebris废弃物tothisarea.Researchershopetomakea62mile﹣longV﹣shapedbarrierinthisareain2020. Takingcareoftheworld'soceangarbageproblemisoneofthelargestenvironmentalchallengesmankindfacestoday.DutchinnovatorBoyanSlatsaid.NotonlywillthisfirstcleanuptaskcontributetocleanerwatersandcoastsbutitisanessentialsteptowardsourgoalofcleaninguptheGreatPacificgarbagepatch. 1Wecanlearnfromthepassagethatthefloatingdamfromthistext? A.Itisa62mile﹣longV﹣shapedbarrier. B.Itbeganworkingintheocean. C.Itcanprotectmanyseaanimals. D.Itwillbeputintousein2016. 2HowdoestheOceanCleanup'sbarrierfunction? A.Bycollectingandrecyclingwaste. B.Byusingcurrentstopassivelytrapwavesofgarbage. C.Byblockingplasticbagsbottlesandotherpiecespollutingtheoceans. D.Byprovidingseaanimalswithmuchcleanerwater. 3Thescreenhanging10feetbelowthewater'ssurfaceaimsto. A.movethebarriertothenextstage B.regularlymonitorthemotionsofthebarrier C.giveresearchersabetterassessment D.helptosendthewastetoaproperplace 4WhatisBoyanSlat'sattitudetowardsthefloatingdam? A.Casual. B.Critical. C.positive. D.Passive.
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8分YouarethecomfortofmylifeEffie.Ifyoumakeupyourmindtogoawaywhatistobecomeofme? Thespeakerwasamiddle﹣agedwoman.Herpleadingwordswereemphasizedbyhertiredeyesandwornface.Shelookedfullattheyounggirltowhomshespoke. WhatshallIdowithoutyouandwhatwillyourfathersay? IhavemadeupmymindsaidEffie.Idon'twanttobeunkindtoyoumother﹣Iloveyoumorethanwordscansay﹣butImustgooutintotheworld.Imustlivemylifelikeothergirls. YouhadnoneoftheseideasuntilyoumetDorothy. YesIhavehadthemforalongtime;Dorothyhasgiventhememphasis.That'sall.BeforeIgomotherIwillgetAgnestolearnallmyduties;sheshallhelpyou. ShewouldnotbelikeyourepliedMrs.Staunton.Sheisveryyoungrememberandisatschoolmostoftheday. Effiesighed.Shebentdownandkissedhermother. Youdonotknowwhatitmeanstomeshesaid.WhenDorothytalksofthefulllifethekeeninterestthebattlethethrilloflivingIfeelthatImustgointoit﹣Imust.YouaresendingGeorgeoutintotheworldtowinhisspursandIamgoingtowinmine. Inwhatway?askedMrs.Staunton.Youknowyouarenotclever. DorothythinksIcanbeanursemother.Mayshecomeandseeyouandtalkitallover? Whatistheuseofmyseeingher?Yourfatheristheonetodecide. IshallbeagreatercomforttoyouwhenIsendyoumoneyfromLondon.Nowdon'tspeakanotherword.IwillputthechildrentobedandIwilllookafterbabymyselfwhileyoucloseyoureyesandgotosleep. Effiepressedherwarmyounglipsontheolderwoman'sbrowandthenranoutoftheroom. 1WhydoestheEffiewanttoleavehome? A.Becauseherparentswanthertosupportthefamily. B.Becausetherearetoomanychildreninthefamily. C.Becausehermotherwassickatthattime. D.Becauseshewantstoliveherownlife. 2Inthemother'seyeswhoinfluencesEffie'sdecisiontoleavemost? A.Effie'smother. B.Effie'sfather. C.Dorothy. D.George. 3WhatkindofgirlisEffie? A.Persistentandrude. B.Determinedandconsiderate. C.Toughandhumorous. D.Disagreeableandstubborn. 4WhatwillEffiedoafterthepassage? A.Takecareofthechildren. B.Getawayfromthehouse. C.FindDorothyandstaywithher. D.Gobacktoherroomtosleep.
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25分假定你是李华你的美国笔友Tom发来电子邮件询问你最近的情况.昨天你校举办了学生成年仪式请你给Tom回一份电子邮件说说这件事内容如下 1宣誓和感谢 2互赠礼物和节目表演 3你的感受. 注意1词数100左右2可适当增加细节以使行文连贯.3成年仪式growing﹣upceremony宣誓makeanoath DearTom Itisgreattohavereceivedyouremail. Yours LiHua
6分TheBritishMuseumbelievesinmakingitscollectionswidelyavailable.TheMuseumlendsthousandsofobjectseachyearcontributingtohundredsofdifferentexhibitionsanddisplaysatvenuesintheUKandaroundtheworld.Hereisthepolicy. Preparingyourloanrequest Borrowersareencouragedtocarryoutresearchbeforemakingaloanrequest.AusefulresourceforplanningaloanrequestistheCollectionsOnlineDatabasewhichgivesdetailsonovertwomillionitemsfromtheBritishMuseumcollection. ForverylargerequestsitishighlyrecommendedthatyoudiscusstheloanwiththeMuseumbeforesubmittingtheformalrequest. Informationtoincludeinyourrequest ●exhibitionordisplaytitlevenuesandopeningandclosingdates ●detailsofmainexhibitionordisplaythemes ●fulldetailsoftheitemsrequestedforloanincludingBritishMuseumregistrationnumbers ●namesandcontactdetailsofthepersonsresponsibleateachvenue ●detailsofhowtherequesteditemswillbeinsuredorindemnified保证赔偿 Submittingyourformalloanrequest Loanrequestsshouldbemadebyformallettersatleastoneyearinadvanceoftheexhibitionordisplayopeningdate.Lettersshouldbeaddressedto:Dr.HartwigFischerDirectorBritishMuseumLondonWC1B3DGUKoremailtoHYPERLINKmailto:directorate@britishmuseum.orgdirectorate@britishmuseum.org. Securityandfacilitiesdocumentation BeforetheloanagreementissignedtheborrowerwillbeaskedtocompleteStandardFacilitiesReportswhichwillprovideessentialinformationconnectedwithvenueaccesssecurityenvironmentalanddisplayconditions. Furtherinformation FurtherinformationonhowtoborrowfromtheBritishMuseumorabouttheMuseum'sconditionsofloanisavailablefromtheLoansSectionloans@britishmuseum.org. 1Howcanaborrowerknowthedetailsofthecollections? A.VisitCollectionsOnlineDatabase B.SurfLoansSectionloans@britishmuseum.org C.AskHYPERLINKmailto:directorate@britishmuseum.orgdirectorate@britishmuseum.org D.WritetoDr.HartwigFischer 2Inyourloanrequestyoudon'thaveto. A.givetheopeningandclosingdates B.tellthedisplaythemes C.informwhoisresponsibleforthevenue D.explainhowmanyvisitorswillcome 3Tomakeasuccessfulloantheborrowermust. A.submittheloanrequestatCollectionsOnlineDatabase B.provideinformationconcerningvenueaccesssecurityandsoon C.makesurewhetherthecollectionsareworthyoftheloan D.cometothemuseumtostudytheconditionsofthecollections
用如图甲所示装置探究萘熔化时温度的变化规律.请回答下列问题1将装有萘的试管放入水中加热而不是用酒精灯直接对试管加热这样做的目的是而且茶的温度上升速度较填快或慢便于及时记录各个时刻的温度2除如图甲所示实验器材外还需要的实验器材有火柴和3萘加热一段时间后可看到烧杯中有白气冒出白气是填序号A．水蒸气 B．小水珠4如图乙是萘熔化时温度随时间变化的图象.由图象可以看出奈在熔化过程中温度填升高降低或不变．从开始熔化到完全熔化大约持续了min
在做“探究水的沸腾”实验中某时刻温度计的示数如图所示则此时水的温度是℃从烧杯口冒出的缕缕“白气”是选填“固态”“液态”或“气态”
30分Whentimesbecomedifficultandyouknowtheysometimeswillrememberamomentinyourlifethatwasfilledwithjoyandhappiness. Alovelylittlegirlwasholdingtwoappleswithbothhands.Hermumcameinand1askedherlittledaughterwithasmilemysweetiecouldyougiveyourmumoneofyourtwoapples?Thegirllooked2athermumforsomesecondsthenshesuddenlytookaquick3ononeappleandthenquicklyontheother. Themumfeltthesmileonherface4.Shetriedhardnottoshowher5.Thenthelittlegirlhandedoneofher6applestohermumandsaidmummyhereyouare.Thisisthe7One. Nomatterwhoyouarehowexperiencedyouareandhowknowledgeableyouthinkyouarealways8judgment.Giveotherstheprivilegeto9themselves.Whatyouseemaynotbethe10.Neverconcludeforothers.Whichiswhyweshouldneveronly11thesurfaceandjudgeotherswithoutunderstandingthem12. Thosewholiketopaythebilldosonotbecausetheyareloadedbutbecausetheyvalue13abovemoney. Thosewho14firstafterafightdosonotbecausetheyarewrongbutbecausetheyvaluethepeoplearoundthem. Thosewhooftentextyoudosonotbecausetheyhave15bettertodobutbecauseyouareintheirheart. Onedayallofuswillget16fromeachotherwewillmissourconversationsofeverythingandnothingthe17thatwehad.Dayswillpassbymonthsyears18thiscontactbecomesrare…Onedayourchildrenwillseeour19andaskWhoarethesepeople?Andwewillsmilewithinvisibletearsbecauseaheartistouchedwithastrongwordandyouwillsay20WASTHEMTHATIHADTHEBESTDAYSOFMYLIFEWITH 1A.quickly B.softly C.curiously D.sadly 2A.up B.down C.out D.around 3A.look B.taste C.bite D.try 4A.remain B.rise C.speed D.freeze 5A.satisfaction B.disappointment C.amusement D.confusion 6A.rotten B.deserted C.split D.bitten 7A.sweeter B.bigger C.fresher D.juicier 8A.offer B.delay C.stop D.pass 9A.criticize B.reflect C.explain D.introduce 10A.result B.purpose C.attempt D.reality 11A.workout B.holdup C.focuson D.giveup 12A.first B.last C.wrong D.little 13A.friendship B.material C.bill D.surface 14A.sacrifice B.suffer C.survive D.apologize 15A.something B.nothing C.everything D.anything 16A.lost B.retired C.separated D.divorced 17A.talks B.argument C.dreams D.contradict 18A.until B.when C.though D.after 19A.articles B.stories C.telephones D.pictures 20A.WHAT B.IT C.THAT D.SUCH
8分Abargainissomethingofferedatalowandadvantageousprice.Amorerecentdefinitionis:abargainisadirtytricktoforcemoneyoutofthepocketsofsillyandinnocentpeople. Thecostofproducinganew﹣forexample﹣toothpastewouldmake80ptheproperpriceforitsowewillmarketitat1.20.Itisnotabadtoothpasteandaspeopleliketotrynewthingsitwillsellwelltostartwith;buttheattractionofnoveltysoonfadessosaleswillfall.Whenthathappenswewillreducethepriceto1.15.Andwewillturnitintoabargainbyprinting5pOFFalloverit. Sometimesitisnot5pOFFbut1pOFF.Whatbreathtakingrudenesstoadvertise1pOFFyoursoaporwashingpowderorwhatever!Eventhepoorestold﹣agepensioneroughttoregardthisasaninsult侮辱buthedoesn't.Abargainmustnotbemissed.Peoplesayonehastohavewashingpowderorwhateverandonemightaswellbuyitapennycheaper. Therealdangerstartswhenunnecessarythingsbecome‘bargains'.Manypeoplejustcannotresistbargains.Providedtheythinktheyaregettingabargaintheywillbuyclothestheywillneverwearorfurnituretheyhavenospacefor.OnceIheardofamanwhoboughtanelectricsaw电锯asabargainandcutofftwoofhisfingersthenextday.Buthehadnoregrets:thesawhadbeentrulycheap. Quiteafewpeopleactuallybelievethattheymakemoneyonsuchbargains.Aladyoncetoldme:I'vehadaluckydaytoday.Iboughtadressfor120reducedfrom400;andIboughtabeautifulPersiancarpetfor600reducedfrom900.Itwillneveroccurtoherthatshehasactuallywasted720.Shefeelsasthoughshehadmade580.ShealsofeelsIamsurethatifshehadmoretimeforshoppingshecouldmakealivingoutofit. Somepeoplebuyinlargequantitiesbecauseitischeaper.Onceacoupleboughtenoughsugarfortheirlifetimeandthelifetimeoftheirchildrenandgrandchildren.Theythoughtitabargainnottobemissed.Whenthesugararrivedtheydidn'tknowwheretostoreit﹣untiltheyrealizedthattheirtoiletwasaveryspaciousone.Sothatwaswheretheypileduptheirsugar.Notonlydidtheirguestsfeelratherstrangewhenevertheywereofferedsugartoputintotheircoffeebutthetoiletbecameextremelysticky. Toofferbargainsisacommercialtricktomakethepoorpoorer.Whengreedyfoolsfallforthistrickitservesthemright. 1Whichwordbestdescribesthelanguagestyleofthepassage? A.Polite. B.Foolish. C.Humorous. D.Serious. 2WhatdoestheunderlinedwordnoveltyinParagraph2probablymean? A.Goodquality. B.Lowprice. C.Newness. D.Curiosity. 3Howdoestheauthorfeelabout1pOFFaproduct? A.It'sagiftforpoorpeople. B.It'sanoffensetoshoppers. C.It'sabargainworthtrying. D.It'sarealreductioninprice. 4Whichstatementwilltheauthorprobablyagreewith? A.Bargainsarethingspeopledon'treallyneed. B.Bargainsareoftenrealcheapproducts. C.Bargainshelppeoplemakealiving. D.Bargainsplaytricksonpeople.
25分假如你是美国一所中学的学生Peter你在电视上看到了中国学生在体育课中发生事故的新闻.请你给中国友谊校新华中学校长李华写封电子邮件建议新华学校开设专门的急救课程first﹣aidcourse.邮件要点如下: 1.急救课程有用; 2.需要开设急救课程的原因学生急救知识匮乏;让学生了解更多的急救知识并实践 3.开设急救课程的建议每月上一节课;课程内容以急救实践为主;请专业人员指导. 注意:1.词数100左右; 2.可以适当增加细节以使行文连贯; 3.信件的开头和结尾已为你写好. DearMr.Principal IamPeterahighschoolstudentinAmerica. Yourssincerely Peter
8分Everydayweareexposedtoimagesvideosmusicandnews.Inthisageofvisualandauralhyper﹣stimulation视觉听觉超刺激themediumofradioismakingagreatcomeback.We'reatthebeginningofagoldenageofaudiosaidUS﹣basedpodcasterAlexBlumberginanarticleinTheSydneyMorningHerald.Inthelastmonthalone15percentofUSadultslistenedtoaradiopodcast播客.ThesestatisticsreleasedbyEdisonResearchshowthesuccessfulevolutionoftraditionalradiobroadcaststothepresentday'sdigitalpodcastformat.Thetermpodcastwasinventedin2004butthetrendonlystartedgainingmainstreampopularityinrecentyears.Withthesharpincreaseinconsumerdemandforsmartphonesandtabletspodcastsaleshavejumped.Theappealofthepodcastpartlyliesinitsmultiplatformdeliveryandon﹣demandcapabilities功能.Youcanlistenduringthoseextraminutesofthedaywhenyou'rewalkingtotheshopswaitinginaqueueorridingthesubway.Similartotelevisionshowspodcastsaregenerallyfreetodownloadandmostoffernewcontenteveryweek.DonnaJackson22SydneyUniversitymediagraduatelistenstopodcaststwoorthreetimesaweekviaiTunes.IlistenwhileI'mwanderingaroundthehousedoingsomethingelse.ItmakescompletingaboringtaskmuchmoreenjoyableAndit'saneasywayofkeepingintouchwithwhat'sgoingonintherestoftheworldshesaid.ImainlylistentoBBCpodcastsbutrecentlyI'vealsobeenlisteningtoThisAmericanLifeandSerial.Theyhaveaspecialskilltoreallydrawyouin.Unliketelevisionandmusictheaudioformathasthepotentialtocreateadeepimpressiononreaders.Blumbergsaysthisowestothepodcast'sabilitytocreatecloserelationshipandemotionalconnection.SydneyUniversityundergraduateHazelProustmajoringinsocialworkandartsagrees.Whenyou'relisteningitfeelsasifthevoiceofthepodcast'sstorytelleristalkingdirectlytoyou.It'scomfortingsaidProust.Itseemstheage﹣oldtraditionofverbalstorytellingisverymuchaliveandwell.1Fromthefirsttwoparagraphswecanlearnthat.A.traditionalbroadcasthascomebackB.AmericanslovelisteningtotheradioC.podcastshavebecomeverypopulartodayD.smartphonessellwellbecauseofpodcasts2ThewritermentionsDonnaJacksonmainlyto.A.tellhowyoungpeoplerelaxthemselvesB.explainwhyyoungpeoplelikepodcastsC.introducewhatprogramspodcastsarepresentingD.showhowpopularpodcastsareamongtheyoung3Paragraph5ismainlyabout.A.theinfluenceofradiosB.theadvantageofpodcastsC.readers'impressiononradiosD.people'sreactiontothemedium4Whatisprobablythebesttitleofthepassage?A.ReturnofRadioB.OpinionsofPodcastC.FeaturesofRadioD.TechnologyofPodcast
关于物态变化说法中不正确的是
15分Ifwomenarepersuadedtobuytoomanyclothesyearafteryeartheyonlyhavethemselvestoblame.Becausetheyarenervousatthethoughtof1seeinpublicinclothesthatareoutoffashiontheyarealwaystakenadvantageof2thedesignersandthebigstores.Clotheswhich3wearonlyafewtimeshavetobeputasidebecauseofthechangeoffashion.Whenyoucometothinkofitonly4womanisabletostandinfrontofacloset5packwithclothesannouncingsadlythatshehasnothingtowear. Noonecansaythatthefashionindustrymakesanything6realimportanttosociety.Fashiondesignersareseldomconcernedwithimportantthingslikewarmthandcomfort.Theyareonlyinterestedinoutward7appearandtheytakeadvantageofthefact8womenwillputupwithanyamountofdiscomfortaslongastheylookright. 9isnotunusualforamantoseeawoman10shakeinthindressonawinterdayorpickingherwaythroughdeepsnowinhigh﹣heeledshoes.
10分假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.作文中共有10处语言错误每句中最多有两处.每处错误仅涉及一个单词的增加删除或修改. 增加在缺词处加一个漏子符号∧并在其下面写出该加的词. 删除在错的词下划一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均仅限一词 2.只允许修改10处多者从第11处起不计分. Thoughagreatprogresshasbeenmadeinsciencetheseyearstherearestillmanypeopleliveinpoorconditions.Theymadetheirlivesbycollectingandsellingusedthings.Theirchildrencannotgotoschoolwhiletheyhavenotenoughmoneytosendtheirchildrenthere.Whyyouthinksomanypeoplestillsufferfrompovertynow?Theanswerliesonthepopulationexplosion.ApresidentofadevelopingcountryoncesaidItisuswhoaretoblameforthepovertybecauseweusedtoproducechildwithoutlimit.Althoughthisfewwordssoundsimpleenoughtheyhaveclearpointedoutoneofthecausesofthepopulationexplosion.
10分假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.作文中共有10处语言错误每句中最多有两处.每处错误仅涉及一个单词的增加删除或修改. 增加在缺词处加一个漏子符号∧并在其下面写出该加的词. 删除在错的词下划一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均仅限一词 2.只允许修改10处多者从第11处起不计分. Thoughagreatprogresshasbeenmadeinsciencetheseyearstherearestillmanypeopleliveinpoorconditions.Theymadetheirlivesbycollectingandsellingusedthings.Theirchildrencannotgotoschoolwhiletheyhavenotenoughmoneytosendtheirchildrenthere.Whyyouthinksomanypeoplestillsufferfrompovertynow?Theanswerliesonthepopulationexplosion.ApresidentofadevelopingcountryoncesaidItisuswhoaretoblameforthepovertybecauseweusedtoproducechildwithoutlimit.Althoughthisfewwordssoundsimpleenoughtheyhaveclearpointedoutoneofthecausesofthepopulationexplosion.
8分WhenIwaslittleI'dseetonsofbatsflyingaroundstreetlightsatnightinmyneighborhoodinupstateNewYork.ButI'llneverforgetthefirsttimewhenIsawabatupclose.BythetimeIturned7thoughInoticedsomethingstrangeAllthebatsinmyneighborhoodhaddisappearedandIwonderedwhy.ThenthreeyearsagowhenIwas11andvisitingthestatefairIlearnedwhathadhappenedtomytown'sbats.Adiseasecalled'whitenosesyndrome'hadkilled93percentofNewYorkState'sbats.Iwashorrified.ThenIwrotealettertothehostofanenvironmentalprogramonthelocalradiostationaskingiftheycoulddoashowonbats.Theydid!ButIstillwantedtofindawaytoeducatepeoplefacetoface.IreachedouttoateacherIhadinelementaryschoolandaskedifIcouldmakeapresentationtoherclass.Idescribedhowbatshelpfarmersbyeatingcrop﹣damaginginsects.Itwentoversowellthatotherteachersstartedrequestingme.OverthepastthreeyearsI'vetalkedinfrontofeveryonefrom5﹣year﹣oldstoseniorcitizens!Manypeoplethinkthatbatsareblindandthattheyalwayscarrydiseasesbutnoneofthatistrue.ThemoreIpresentthemoreInoticethatIamchangingminds.Andwhilegettingpeopletorespectbatsisprettyhardgettingthemtorespectmehasbeendifficulttoo.WhenIfirstappliedtohostabooth摊位atalocalstreetfairthemanagersthoughtIwastooyoung.ButIrefusedtotake'no'forananswer.Icontinuedtomakemycaseandtheyfinallysaidyes!ThebestpartisIimpressedthemsomuch﹣100visitorsonmyfirstday﹣thattheynowinvitemebackeveryyear.1Allthebatsintheneighborhooddisappearedbecausethey.A.werekilledbyadiseaseB.movedtoanotherhabitatC.werehuntedbyotheranimalsD.hidinaplacewherepeoplecouldn'tfindthem2Theauthorwrotealettertothehostinordertoaskthemto.A.donatesomemoneytosavebatsB.makearadioprogramaboutbatsC.announcenewfindingsaboutbatsD.finishsomequestionnairesaboutthefair3Howdidtheauthorsavebats?A.Bybuildinganewhomeforthem.B.Byvolunteeringtoworkinthewild.C.Byimprovingtheirlivingenvironment.D.Byeducatingpeoplethattheyarebeneficial.4Whatdoestheunderlinedphrase'makemycase'inthelastparagraphmean?A.makeanimpressivepersuasion.B.lookintothematter.C.quarrelwiththemD.sticktothefacts.
8分Myfifteen﹣year﹣oldsonhasjustreturnedfromabroadwithrollsofexposedfilmandahundreddollarsinuncashedtraveler'schecksandisasleepatthemoment.Hisblueduffel粗呢bagliesonthefloorwherehedroppedit.Obviouslyhepostponedasmuchsleepashecould:whenhewalkedinandwehuggedhiselectricalsystemsuddenlyswitchedoffandheheadeddirectlyforthebedwhereIimaginehebeathisoldrecordofsixteenhours.ItwashisfirsttripoverseassoweeksbeforeitIpressedtravelbooksonhimandatapecassetteofusefulFrenchphrases;drewupalistofpeopletovisit;advisedhimonclothingandotherthings.Attheluggagestorewherewewenttobuyhimasuitcaseheheadedfortheduffelssayingthatsuitcasesweremoreforoldpeople.Duringthetriphecalledhomethreetimes:fromLondonParisandavillagenamedUllapool.NearUllapoolheclimbedamountaininarainstormthatalmostblewhimoff.InthevillageamanspoketohiminGaelicandtoopolitetointerruptmysonlistenedtohimfortenorfifteenminutestryingtonodintherightplaces.TheFrenchhelearnedfromthecassettedidn'tholdwaterinParis.TheFrenchhetalkedtoshruggedandwalkedon.WhenmysoncalledIsatdownatthekitchentableandleanedforwardandhungoneveryword.Hisvoicecamethroughclearlythoughtwoofthecallswerelikeship﹣to﹣shorecommunication.WhenIinterruptedhimwithaGreat!oraReally?Iknockedalittleholeinhiscommunication.SoIjustsatandlistened.Ihaveneverlistenedtoatelephonesoattentivelyandwithsomuchpleasure.Itwaswonderfultohearnewsfromhimthatwassonewtome.InmybookhewasthefirstmantolandonthemoonandIknewthatIhadnoadvicetogivehimandthatwhatIhadalreadygivenwasprobablynotmuchhelp.Theunusedchecksarecertainlyevidenceofthat.Youthtravelslight.Nosuitcasenotmuchluggageandaslimexpenseaccountandyethewenttothesceneandcamebacksafely.Isithereamazed.Thenightwhenyourchildreturnswithdustonhisshoesfromacountryyou'veneverseenisanightyouwouldgladlyturnintoaweek.1Duringthetriptheauthor'sson.A.ranoutofmoneyB.hadinadequatesleepC.forgottocallhismotherD.failedtotakegoodpictures2Accordingtothepassagewhichofthefollowingcouldbestdescribetheauthor'sson?A.Politeandcareless.B.Creativeandstubborn.C.Considerateandindependent.D.Self﹣centeredandadventurous.3Whatdoestheunderlinedwordthatinthelastparagraphreferto?A.Itisimportanttolistentoyourchild'sstory.B.It'seasytointerruptthechatwithyourchild.C.Theauthorisproudofhersonlandingonthemoon.D.Thesonnolongerneedsmuchhelpfromhismother.4Whatcanweinferfromthepassage?A.Goodparentsshouldprotecttheirchildrenfrompotentialdangers.B.Theworldisabookandthosewhodonottravelreadonlyonepage.C.It'sanicechoicetogiveachildspacetoexperienceandexplore.D.Communicationbetweenparentsandchildrenisextremelyimportant.
6分Sportsarethebaseofmylifenexttomymotherwhoraisedmewhenmydadleftus.IhavebeenintosportssinceIwassixyearsold.Ihaveknownmanycoachesandheardhundredsoftheirtipsbuttheyusuallyfocusedondrillstodevelopmyskillsandreachthenextlevelofplay. WhenIwasinSeniortwoImetthenewschoolbasketballcoachBrianPawloski.IthoughtIwascertaintobeselectedfortheschoolteamsinceIhadbeeninittheyearbefore.Ishoweduptothetryoutsandputoutabout90%effortsinceIthoughtI'dmakeitwithnoproblem.Thatwasabigmistake. BrianPawloskiisthehardest﹣workingcoachIhaveevermet.Hedidn'texpect100%effortheexpected200%effort.Oneexample:heoncemadeusdo40suicidedrillsforthe40lay﹣ups投篮wemissedinagame.Somethinkthisiscrazybutitisn't.AfterthisconditioningpracticeasweweregettingacupofcoldwatertodrinkIsaidCoachthatwasthebestpracticeIeverhad.Iwascompletelysincere.Thismanwasandisthepersonwhoinfluencedmemostatmyhighschool.Heexpectsustobeexcellentnotjustonthecourtbutintheclassroom.IfIamnotworkingonbasketballIamreadingabookthathethinkswillhelpusbetterunderstandlife'schallengesincludingWoodenCoachandTheScrewtapeLetters. InthefirsttwoyearsIslackedoffnotputtingforthmyfullpotential.Nowunlikethecoachesofmyyouththismanwasinterestedinhowwedidoffthecourt.HealwaysmadesureIkeptupwithmystudiesandwasabletobetrusted.Icanhonestlysaythatnoothercoachhasgivenmesomuchadviceonhowtosucceedinbasketballbutmoreimportantlyinlife.Myschoolisluckytohavesuchagreatpersontoteachcoachandinfluencetheirstudents.Iwillalwaysremembermyhigh﹣schoolbasketballdaysasoneofthehardesttimesIhaveeverworkedinmylifenotonlyinbasketballbutinmygrowthasanindividual. 1DifferentfromothercoachesCoachBrian. A.concentratedonskilltraining B.trainedtheteamtotheedgeofdeath C.expectedtheteamtodowellintheirstudies D.askedtheteamtodomorereadingthantraining 2Theunderlinedphraseslackedoffinthelastparagraphprobablymeans. A.paidnoattention B.showednointerest C.hadlesspassion D.madelesseffort 3Intheauthor'seyesCoachBrianis. A.strictandhelpful B.hardworkingandhonest C.skilledandcruel D.professionalandserious
10分假定英语课上老师要求同桌间交换修改作文请你修改你同桌写的以下作文.文中共有10处语言错误每句中最多有两处.每处错误仅涉及一个单词的增加删除或修改. 增加:在缺词处加一个漏字符号∧并在其下面写出该加的词. 删除:把多余的词用斜线\划掉. 修改:在错的词下画一横线并在该词下面写出修改后的词. 注意:1.每处错误及其修改均仅限一词; 2.只允许修改10处多者从第11处起不计分. Helloboysandgirls!TodayIamgoingtotalkwithwhatyoushoulddowhenafirealarmgooff.Ifyouhearthealarmstandinlineatthedoorandwaityourteachertoleadyououtside.Stayclosetoyourteacherandclassmate.Don'tpanicorgetoutoflineandtryingtoremainquietandcalmly.Soonthefirefighterswillcomeandputoutafire.Ifit'safalsealarmandthereisnofireyourteacherwillleadusbacktotheclassroom.Ifyounoticethatwhensomeoneismissingandhurttellyourteacherimmediately.
6分Itturnsoutthatnoddingoffinclassmaynotbeabadideaasanewstudyhasshownthatgoingtosleepshortlyafterlearningnewmaterialsisthebestwaytorememberthem. AccordingtoUSleadauthorJessicaPayneapsychologistattheUniversityofNotreDameinIndiananoddingoffafterlearningsomethingnewisliketellingthesleepingbrainwhattoremember.Alongwithcolleaguesshestudied207studentswhosleptforatleastsixhourspernight.Studentswererandomlyassignedtostudysomethingdeclarative陈述的at9a.m.or9p.m.andreturnedfortesting30minutes12hoursor24hourslater. Declarativememoryreferstotheabilitytoconsciouslyrememberfactsandeventsandcanbedividedintomemoryforeventsandmemoryforfactsabouttheworld.Peopleusebothtypesofmemoryeveryday﹣rememberingwheretheyparkedtodayorlearninghowacolleaguepreferstobecalled. Atthe12﹣hourretestmemorywasbetterfollowinganightofsleepcomparedtoadayofwakefulness.Atthe24﹣hourretestwithallstudentshavingreceivedbothafullnightofsleepandafulldayofwakefulnessstudents'memoriesweregreaterwhensleephappenedshortlyafterlearningratherthanfollowingafulldayofwakefulness. Ourstudyconfirmsthatsleepingdirectlyafterlearningsomethingnewisbeneficialformemory.What'sspecialforthisstudyisthatwehaveshownsleep'sinfluenceondeclarativememoryPaynesaid.Sincewefoundthatsleepingsoonafterlearningbenefitedbothtypesofmemorythismeansthatitwouldbeagoodthingtogooveranyinformationyouneedtorememberbeforegoingtobed.Insomesenseyoumaybetellingthesleepingbrainwhattoconsolidate. 1What'sthemainideaofthetext? A.Howtoimproveone'smemoryisadifficultproblem. B.Noddingoffafterlearningsomethingnewhelpsrememberit. C.Studentsshouldnodoffinclassaftertheylearnnewmaterials. D.Thebestwaytoremembernewmaterialsistonodoffinclass. 2Wecanlearnaboutthestudythat. A.JessicaPayneandhercolleaguesweretested B.207studentswereeagertotakethetest C.ittestedstudentsstudyingsomethingdeclarative D.people'smemorycanbedividedintotwotypes 3Paragraph4mainlytellsus. A.students'memoriesarethebestiftheysleepfor12hourseachday B.sleepingfor24hourscontributestoimprovingstudents'memories C.afulldayofwakefulnesscanmakestudents'memoriesimprovedgreatly D.students'memoriesarebetterwhensleephappensshortlyafterlearning
盛夏时节天气炎热小莉从冰箱里拿出一根冰棒吃了起来顿时感觉凉爽了．冰棒在熔化过程中要热量哥哥从冰箱里取出一瓶矿泉水不久后发现原本干燥的瓶壁上有了许多水珠这是发生了现象填一种物态变化名称．
下列现象的产生与空气中的水蒸气无关的是A．酥脆的饼干放置在空气中变软B．夏天从冰箱取出的冰糕冒白气C．冬季的早晨看到窗户的玻璃上有冰花D．进入久未开启的菜窖或干涸深井使人感到气闷头昏
8分Instagramisafastbeautifulandfunwaytoshareyourlifewithfriendsandfamily.TakeapictureorvideochooseafiltertotransformitslookandfeelandthenposttoInstagram﹣it'sthateasy.YoucanevensharetoFacebook.Twitterandmore.It'sanewwaytoseetheworld.SomanyphotosoffoodarecontainedonInstagram﹣nowapop﹣updinerinLondonistakingadvantageofthisnewtrendbylettingpeoplesettlethebillfortheirmealssimplybyuploadingphotosoftheirdishestosocialnetworks. Ialwaysthoughtpeople'stakingpicturesoftheirfoodwaskindofsillybutatthisnewpop﹣uprestaurantintheUKI'dprobablydoittoo.ThePictureHouseistheworld'sfirstpay﹣by﹣photorestaurant﹣youorderclickaphotoofthefoodshareonInstagramandeatforfree! TherestaurantbelongstofrozenfoodgiantBirdsEyewhocameupwiththeideatocashinonpeople'saddictionwithphotographingfoodandsharingthepicturesonline.TheyconductedasurveyandfoundoutthatmorethanhalfoftheBritishpopulationregularlytookpicturesoftheirmeals.Sotheyrealizeditwasabetterwaytoadvertisetheirnewdiningrange. Thepop﹣updinerwasopeninSohoLondonforthreedaysinMayandisnowmovingtoothermajorUKcities.Theyservetwo﹣coursemealsthatcustomersdon'thavetopayforiftheyphotoandlnstagramit. TherestaurantisapartofBirdsEye'sFoodforLifecampaignanewmarketingprojectthataimsatchangingthewaypeoplelookatfrozenfood.Takingphotosoffoodenablespeopletoshowoffandtosharetheirmealtimemoments﹣fromtheeverydaytothespecialsaidmarketingdirectorMargaretJobling. ThereactiontoThePictureHousehasbeengreatsofarAndthepay﹣by﹣pictureconcepthasproventobeaneffectiveway.Alternativepaymentmethodsareactuallygainingpopularityamongalotofbusinesses.LastyearinacafeinGermanycustomerspaybyhowmuchtimetheyspendtherenotbywhattheyeat. 1Instagramprobablyis. A.arestaurantfreeofcharge B.acampaignofFoodforLife'' C.aprogramusedtosharephotos D.anewmarketingproject 2What'stheauthor'sattitudetothisnewtrend? A.Confused B.Unconcerned C.Opposed D.Interested 3ThePictureHouseencouragessharingphotosofitsfoodto. A.raisethepriceoffrozenfood B.attractmorecustomers C.createanewsocialmediatrend D.rewardtheregularcustomers 4Whichofthefollowingcanserveasthebesttitleforthepassage? A.PaybyPicture B.ThePop﹣upDiner C.NoNeedtoPay D.FoodforLife
10分Beforeapplyingforcollegesmanystudentswonderwhat'sthepointofitall?1Collegeisahugeinvestmentnotonlyofmoneybutalsoofmanyyearsofyourlife.Nooneshouldattendcollegewithoutaverygoodreason. Somepeoplegotocollegetoearnmoremoney.OnaveragepeoplewhoobtainaBachelor'sdegreewillearn1milliondollarsoverthecourseoftheirlifetimemorethanpeoplewhodon'tattendcollege.2Holdersofthesedegreesaresuitedtomanyhighpayingjobswhilethosewithoutdegreesarenot. Somegofortheexperiences.3Studentsnotonlyreceiveatraditionalclassroomeducationbutalsolearnalargeamountaboutthewaysoftheworld.Formanystudentscollegeisthefirsttimetheyliveawayfromhome.Thiscreatesagreatopportunitytomeetdifferenttypesofpeopleandhavemanybrandnewexperiencesthatmakeyouamuchwiserandworldlyperson. 4Formanypeoplecollegeisagreatwaytostartthenextsteptowardsachievingadream.Itcanhelpyoubreakintoanewcareerpathorachieveexpertstatusinyourchosenfield. HowevertherearealsosomepeoplegoingtocollegebecausemyparentsandfamilyexpectmetoorIdon'tknowwhatIwanttodowithmylife.5Ifyougowithoutatruepurposeyoucanendupfindingwhatyouspendonitmightneverbeworthit. A.Someothersseekafteradream. B.Collegelifeisverymeaningfulforeveryone. C.Thisisanimportantquestiontoaskyourself. D.Collegeisanamazinglifeexperience. E.Collegestudentswillbeofferedalargerewardfortheirhardworkatcollege. F.ThosewhohaveMaster'sDoctor'sandprofessionaldegreesdoevenbetter. G.Ifyourreasonforgoingtocollegeisoneoftheseyoushouldreconsideryourmotivationsseriously.
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，则t的值是（) A.1 1.5 2 3 
﹣2 2 3
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