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党的十九大报告指出:要持续实施大气污染防治行动,打赢蓝天保卫战.当前空气质量检测的主要项目除了 PM2.5外,还有 CO、SO2、氮氧化物(NO和 NO2)、O3等气体. (1)①选择适当的催化剂...
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高三下学期化学《》真题及答案
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党的十九大报告指出着力解决突出环境问题坚持全民共治.源头防治持续实施大气污染防治行动打赢____
蓝天保卫战
PM2.5防治战
空气防卫战
化工污染防治战
党的十九大报告指出加大生态系统保护力度要开展 推进荒漠化石漠化水土流失综合治理强化湿地保护和恢复加
综合治理行动
绿化防护工程
国土绿化行动
国家绿化行动
党的十九大报告指出推进绿色发展要开展创建和 绿色出行等行动
节约型机关
绿色家庭
绿色学校
绿色社区
在全国生态环境保护大会上____指出打好时间紧任 务重难度大就是一场大仗硬仗苦仗必须
污染防治攻坚战、加强党得领导
蓝天保卫战、加强党得领导
生态建设发展、打赢蓝天保卫战
污染防治攻坚战、打赢蓝天保卫战
党的十九大报告指出从现在到2020年是全面建成小康决胜期
党的十九大报告指出要健全党和国家监督体系增强党自我净化 能力根本靠强化
群众监督
與论监督
党的自我监督
社会监督
十九大__坚持全民共治源头防治持续实施大气污染防治行动打赢蓝天保卫战下列做法不正确的是
推广使用电动汽车
利用太阳能光伏发电
城市垃圾集中焚烧处理
将植物秸秆转化为肥料、饲料和燃料
党的十九大报告指出要严密防范和坚决打击哪些危害国家安全的活动
十九大__坚持全民共治源头防治持续实施大气污染防治行动打赢蓝天保卫战.下列做法不正确的是
推广使用电动汽车
利用太阳能光伏发电
城市垃圾集中焚烧处理
将植物秸秆转化为肥料.饲料和燃料
党的十九大报告指出思想建设是觉的基础性建设党的思想建设的首要 任务是________
党的十九大报告指出从十九大到二十大年是两个一百年奋斗目标的历史交汇期
习__在十九大报告中明确指出要着力解决突出环境问题坚持全民共治源头防治持续实施大气污染防治行动打
党的十九大报告指出从十九大到二十大年是全面建成小康决胜期
党的十九大报告指出要深化农村集体产权制度改革保障农民财产权益 壮大集体经济
党的十九大报告中提到要加强农业面源污染防治
坚持全民共治源头防治持续实施大气污染防治行动打赢保卫战
蓝天
碧水
净土
生态
坚持源头防治持续实施大气污染防治行动打赢 蓝天保卫战
全民共治
军民共治
城乡共治
标本兼治
党的十九大报告指出进入全面建成小康社会决胜期我们特别要坚决打好的攻坚战
防范化解重大风险
区域协调发展
精准扶贫
污染防治
城乡一体化建设
自治区打赢蓝天保卫战三年行动计划2018—2020年主要任务包括
调整优化产业结构,推进绿色发展
调整优化能源结构,构建清洁低碳高效能源体系
优化调整运输结构,发展绿色交通体系
优化调整用地结构,推进面源污染治理
实施重大专项行动,大幅降低污染物排放
强化区域联防联控,狠抓采暖季大气污染防治
在全国生态环境保护大会上____指出打好任务重难度大 是一场大仗硬仗苦仗必须
污染防治攻坚战、加强党的领导
蓝天保卫战、加强党的领导
生态建设发展、打赢蓝天保卫战
污染防治攻坚战、打赢蓝天保卫战
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圆x2+y2=1与直线y=kx﹣3有公共点的充分不必要条件是
Peopledohavedifferentideasaboutwhat1wear.Whileyoungpeopletendtoconsidermoreaboutfashionpersonalityandhowtheylookwhen2chooseclotheselderlypeoplepay3greatattentiontowhethertheyappearrighttheyfeelcomfortableaswellaswhetherthematerialisworth4price.Howpeoplegetdressedalsochangesovertime.TakeChina5anexample.Inthe1960'sand1970'stherewerepracticallyonlytwoorthreecolorspeoplewore﹣bluegreenandgray.Thestylesoftheclothes6bealsoverydull.Inthe1980'syoungpeoplewouldonlywear7wasinfashion.8recentwehavecometounderstandthatthewayyoudress9youisareflectionofyouroccupationyourbackgroundandyourpersonality.Soweseedifferentpeopleweardifferentclothesaccordingtooccasionstheirlikesand10feel.
已知a>0b>0且ABC三点在同一条直线上则的最小值为.
WhenIwasyoungmyfatherhadoneofthefirsttelephonesmourneighborhood.Iremembertheshinyboxonthewall.ButIwastoolittletoreachit.Icouldonlylistentomymothertalkonit.Idiscoveredthatinsidethe﹣wonderfulboxlivedanamazingpersonwhosenamewasInformationPlease.Therewasnothingshedidnotknow.Onedaymymotherwentout.IaccidentallyhurtmyfingerwhenIwasplayingwithahammer.Iwalkedaroundthehousesuckingmyfingerfinallyseeingthetelephone.QuicklyIdraggedachairoverandclimbedup.'InformationPlease'Ispokeintothereceiver.Aclickortwoandasmallclearvoicespokeintomyear.'Information.''Ihurtmyfinger'Icriedintothephone.'Isn'tyourmotherhome?'camethequestion.'Nobody'shomebutme.'Isobbed.'Areyoubleeding?'thevoiceasked.'No'Ireplied'Ihitmyfingerwiththehammerandithurts.''Canyouopenyouricebox?'sheasked.IsaidIcould.'Thentakealittlepieceoficeandholdittoyourfinger.'saidthevoice.AfterthatIcalled'InformationPlease'foreverything.IaskedherforhelpwithmygeographyandshetoldmewherePhiladelphiawas.Shehelpedmewithmymath.ShetoldmehernamewasSally.Thentherewasthetimemypetcanary金丝雀died.Icalled'InformationPlease'andtoldSallythesadstory.'Whyisitthatbirdssingsobeautifullyandbringjoytoallfamiliesonlytoendupasapileoffeathers?'Shelistenedthensaidquietly'Paulalwaysrememberthatthereareotherworldstosingin.'SomehowIfeltbetter.OnedaywhenIcalled'InformationPlease'againadifferentvoiceanswered'Information.'IaskedforSally.'Areyouafriend?'shesaid.'Yes'Ianswered.'I'msorrytohavetotellyouthis'shesaid.'Shediedfivedaysago.'BeforeIcouldhangupshesaid'Waitaminute.DidyousayyournamewasPaul?''Yes.''WellSallyleftamessageforyou.Thenotesaid‘TellhimIstillsaythereareotherworldstosingin.He'llknowwhatImean.''Ithankedherandhungup.IknewwhatSallymeant.1.Whentheauthorhurthisfingerherangbecause.A.hebelievedthatthetelephonekneweverythingB.thetelephonecouldtellhimadoctor'snumberC.hismotherwasontheotherendofthetelephoneD.hewasoncetoldtoaskforhelpinthisway2.ThroughthehelpfromSallyitcanbeinferredthat.A.SallywasageographyteacherB.Sallywastheauthor'sfriendC.SallywasaconsideratepersonD.Sallywasanimaginaryperson3.WhatdidSallyreallymeanbyhermessage?A.Shewassurethatshecouldsinginotherworlds.B.Shedidn'twantPaultobesadaboutherdeath.C.SinginghelpedPaultofacedeathmoreeasily.D.TherewasnoneedforPaultocallheranymore.4.Whatisthebesttitleforthispassage?A.MyPet'sDeathB.AnAmazingWomanC.AHealingMessageD.MyMagicBox
BagsofLove LastyearIwasassignedtoworkatanofficenearmymother'shousesoIstayedwithherforamonth.DuringthattimeIhelpedoutwiththehouseworkandcontributedtothegroceries. AfterlessthanaweekIstartednoticingthatthegrocerieswererunningoutprettyquickly﹣wewerealwayssuddenlyoutofsomething.25wonderhowmymumcouldconsumethemsoquicklyIbeganobservingherdailyroutinefortwoweeks.TomysurpriseIfoundthatshewouldpackapaperbagfullofcannedgoodsandheadouteverymorningataboutnine.EventuallyIdecidedtofollowherand26happenedtrulyamazedme.Shewastakingthefoodtotherefugeecampin27shedistributedittochildren. Iaskedaroundandfoundoutthatmymumwasverywellknowninthearea.Thekidswereveryfriendlywithherandevenlookeduptoherasifsheweretheirownmother.Thenithitme﹣shywouldshemotwanttotellmeaboutwhatshe28do?WassheworriedabouthowIwouldreactorthatIwouldstop29buythegroceriesifIfoundout? WhenshegothomeItoldheraboutmydiscovery.30shecouldreactIgaveherabighugandtoldhershedidn'tneedtokeepitasecret31me.Shetoldmethatsomeofthechildrenlivedwithanolderladyinashelterwhileotherssleptonthestreets.Foryearsmymumhasbeenhelpingoutbygivingthemwhateverfoodshecouldspare.Iwassoimpressedby32selflessshewas. 25. 26. 27. 28. 29. 30. 31. 32.
若函数在区间12上单调递减则实数a的取值范围为
设函数fx=|2x+1|﹣|x﹣2|. 1求不等式fx>2的解集 2若恒成立求实数t的取值范围.
设△ABC的三个内角ABC所对的边长分别为abc.平面向量=cosAcosC=ca=2b0且•﹣=0 1求角A的大小 2当|x|≤A时求函数fx=sinxcosx+sinxsinx﹣的值域.
OneearlymorningIwentintothelivingroomtofindmymotherreadingathickbookcalledBestLovedPoemstoReadAgainandAgain.MyinterestwasarousedonlybythefactthatthewordPoemsappearedinbighotpinkletters. Isitgood?Iaskedher. Yeahsheanswered.There'soneIreallylikeandyou'lllikeittoo.Ileanedforward. ‘PattyPoem'shereadthetitle.WhoisPatty?Iwondered.Thepoembegan: Sheneverputshertoysaway Justleavesthemscattered①wheretheylay…①散乱的 Thepoemwasjustthreeshortsections.Thefinalonecamequickly: Whenshegrowsandgatherspoise②②稳重 I'llmissherharum﹣scarum③noise③莽撞的 Andlookinvain④forscatteredtoys.④徒劳地 AndI'llbesad. Aterriblesorrowwashedoverme.WhoeverPattywasshewasameangirl.Thentheshock. It'syouhoneyMymothersaidsadly. Tomymotherthepoemrevealedaparent'saffectionwhenherchildgrowsupandleaves.Tomethesheinthepoemwashorror.Itwasmymamawhowouldbesad.ItwassoterribleIburstoutcrying. What'swrong?mymotherasked. OhMamaIcried.Idon'twanttogrowupever! Shesmiled.Honeyit'sokay.You'renotgrowingupanytimesoon.AndwhenyoudoI'llstillloveyouokay? OkayIwasstillweeping.Mypanichasgone.ButIcouldnothelpthinkingaboutthatsillypoem.AfterwhatseemedlikeasafeamountoftimeIreadthepoemagainandwasconfused.Itallfitsowelltogetherlikeapuzzle.ThelanguagewassimplesosimpleIcouldplainlyunderstanditsmeaningyetitwasstillbeautiful.Iwasnowfascinatedbytheideaofpoetrywordsthathadthepowertomakeorbreakaperson'sworld. IhavesincefalleninlovewithotherpoemsbutPattyPoemremainsmypoem.AfterallPattyPoemgavememyloveforpoetrynotbecauseitwasthepoemthatliftedmyspiritsbutbecauseitwastheonethathurtmethemost. 66.WhywasthewriterattractedbythebookBestLovedPoemstoReadAgainandAgain? A.Itwasathickenoughbook. B.Somethingonitscovercaughthereye. C.Hermotherwasreadingitwithinterest. D.Ithasameaningfultitle. 67.Afterhermotherreadthepoemtoherthewriterfeltatfirst. A.sad B.excited C.horrified D.confused 68.Thewriter'smotherlikedtoreadPattyPoemprobablybecause. A.itreflectedherownchildhood B.itwaswritteninsimplelanguage C.itwascomposedbyafamouspoet D.itgaveherahintofwhatwouldhappen 69.ItcanbeconcludedfromthepassagethatPattyPoemleadsthewriterto. A.discoverthepowerofpoetry B.recognizeherloveforpuzzles C.findhereagernesstogrowup D.experiencegreathomesickness.
ManyofusremembercloneddinosaursrunningwildinthefilmJurassicPark.Andtheideaofusingtechnologytoreviveextinctspecieshaslongfascinatedwritersdirectorsandscientists.AccordingtoTheTelegraphwoollymammoths长毛猛玛象maywalktheearthoncemorenowthatscientistshavetakenanothersteptowardrealizingalong﹣helddream﹣recreatingtheirDNA.Mammothsbecameextinctaround10000yearsago.HoweversincethediscoveryofnearperfectpreservedremainsinArcticpermafrost北极冻土带inMay2013avarietyofresearchstudieshavebeencarriedoutsince.GeneticistsanalyzedDNAfromtheremainslookingforgeneswhichseparatedmammothsfromelephantssuchashairinessandearsize.Theythenusedtheresultstoreproduceexactcopiesof14mammothgenes.'Itisthefirsttimethatmammothgeneshavebeenalive﹣althoughsofarithasonlybeendoneinthelab'GorgeChurchleadresearcheroftheprojecttoldtheSaturdayTimes.ChurchthenusedanewtechniquewhichallowsscientiststoeditDNAcarefullyreplacingsectionsofelephantDNAwiththemammothgenes.So'wenowhavefunctioningelephantcellswithmammothDNAinthem'hesaid.HoweverChurchruledoutthepossibilityofbringingthemammothsbacktolifeviacloningfromfrozenremains.Hesaidhe'preferredtofocusonrebuildingthefullmammothgenomebyanalyzingDNAfrompreservedremainsandputtingitintothecellsofitsclosestlivingrelative﹣theAsianelephant'reportedTheTelegraph.Churcharguedthatthereturnofthewoollymammoths﹣orratherthereturnofsomethingverysimilar﹣couldhelpbringbackfragile脆弱的ecosystems.Howeversomescientistsbelievethatbringingbackthemammothwouldbeunethical.'What'sthemess?Wecanbeasirresponsiblewiththeenvironmentaswewantthenwe'lljustclonethingsback?'AlexGreenwoodanexpertonancientDNAtoldtheSundayTimes'Moneywouldbebetterspentfocusingonconservingwhatwedohavethanspendingitonananimalthathasbeenextinctforthousandsofyears.'1.Whatcanweinferfromthepassage?A.Scientificstudiesonrevivingextinctspeciesdidn'tbeginuntilMay2013.B.Thetechnologytoreviveextinctspeciesisalreadymature.C.ChurchandhiscolleaguestriedtoreproducemammothDNA.D.Churchmanagedtolistallthegenesseparatingmammothsfromelephants.2.AccordingtothetextwecouldconcludethatChurch.A.hadseriousdoubtsaboutdiscoveringthefullmammothgenome.B.aimedtoclonetheextinctmammothfromfrozenremainsonhisown.C.couldhelpsavefragileecosystemifbingingbacksomethingsimilartothemammoth.D.believetheirsuccessfulexperimentcouldchangetheAsianelephantintomammoths.3.AlexGreenwoodbelievesthat.A.itisunnecessarytoworryabouttheextinctionofAsianelephantsatpresent.B.it'snecessarytobringbackspeciesbeneficialtohumansfromextinction.C.thereturnofthewoollymammothwouldhelptobalanceecosystems.D.it'smoreimportanttoprotectpresentspeciesthantobringbackextinctones.4.What'sthebesttitleofthepassage?A.Mammothscouldreturn?B.Mammoths'returnhelpsecosystems.C.Mammothshavebeenextinctforages.D.Mammoths'clonefromfrozenremains.
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.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. RecentlywehavehadadiscussionaboutthatChinashouldmakeeveryefforttodevelopingcarindustry.Opinionsdividedonthequestion. 60%ofthestudentsholdthebeliefthatChinashouldfulldevelopcarindustry.Itwillnotonlypromoteeconomicdevelopmentbutprovidesmorejobstoworkersaswell.Besidecarscanhelptosavetimeandimprovepeople'slifequality.Ontheotherhand40%thinkChinashouldlimittheircarindustrydevelopment.Otherwisethecitytrafficwillbemuchmoreheavierandmoretrafficaccidentwilloccur.Asaresultnewroadswillbebuiltbutoccupymorefarmland.
为买一双运动鞋而通宵排队有意义吗?point.
假如你是李华下周有个美国学生代表团来访学校安排你接待并带领他们参加学校内的活动体验中国剪纸艺术.请根据以下要点向他们作一个简短的介绍. 1活动的主题:福和喜二字; 2福和喜的寓意用途 3分组活动 注意:1词数100左右 2可以适当增加细节.以使行文连贯 3口头语已为你写好 Dearfriendswe'rehonoredtowelcomeyoutoourschool.Today
Enough'meaninglessdrivel'.That'sthemessagefromagroupofmembersoftheUKgovernmentwhohavebeenexamininghowsocialmediafirmslikeLinkedIngatherandusesocialmediadata.TheHouseofCommonsScienceandTechnologyCommittee'sreportreleasedlastweekhasblamedfirmsformakingpeoplesignuptolongincomprehensiblelegalcontractsandcallsforaninternationalstandardorkitemark认证标记toidentifysitesthathavecleartermsandconditions.'Thetermandconditionsstatementthatweallcarelesslyagreetoismeaninglessdriveltoanyone'saysAndrewMillerthechairofthecommittee.Insteadhesaysfirmsshouldprovideaplain﹣Englishversionoftheirterms.Thesimplifiedversionwouldbecheckedbyathirdpartyandawardedakitemarkifitisanaccuratereflectionoftheoriginal.ItisnotyetclearwhowouldadministertheschemebuttheUKgovernmentislookingatintroducingitonavoluntarybasis.'weneedtothinkthroughhowwemakethatworkinpractice'saysMiller.Wouldwepayanymoreattentiontoakitemark?'Ithinkifyouwentanddidthesurveypeoplewouldliketothinktheywould'saysNigelShadboltattheUniversityofSouthamptonUKwhostudiesopendata.'Wedoknowpeopleworryalotabouttheinappropriateuseoftheirinformation.'Butwhatwouldhappeninpracticeisanothermatterhesays.OtherorganisationssuchasbanksaskcustomerstosignlongcontractstheymaynotreadorunderstandbutMillerbelievessocialmediarequiresspecialattentionbecauseitissonew.'Westilldon'tknowhowsignificantthelong﹣termimpactisgoingtobeofunwisethingsthatkidsputonsocialmediathatcomebackandbitethemin20years'time'hesays.Shadboltwhogaveevidencetothecommitteesaystheproblemisthatwedon'tknowhowcompanieswilluseourdatabecausetheirbusinessmodelsandusesofdataarestillevolving.Largecollectionsofpersonalinformationhavebecomevaluableonlyrecentlyhesays.Theshockandangerwhenasocialmediafirmdoessomethingwithdatathatpeopledon'texpectevenifusershaveapparentlypermissionshowthatthecurrentsituationisn'tworking.Ifproperlyadministeredakitemarkontermsandconditionscouldhelppeopleknowwhatexactlytheyaresigningupto.Althoughtheywouldstillhavetoactuallyreadthem.73.Whatdoesthephrasemeaninglessdrivelinparagraphs1and3referto? A.Legalcontractsthatsocialmediafirmsmakepeoplesignupto. B.WarningsfromtheUKgovernmentagainstunsafewebsites. C.Guidelinesonhowtousesocialmediawebsitesproperly. D.Insignificantdatacollectedbysocialmediafirms. 74.ItcanbeinferredfromthepassagethatNigelShadboltdoubtswhether. A.socialmediafirmswouldconductasurveyonthekitemarkscheme B.peoplewouldpayasmuchattentiontoakitemarkastheythink C.akitemarkschemewouldbeworkableonanationwidescale D.thekitemarkwouldhelpcompaniesdeveloptheirbusinessmodels 75.AndrewMillerthinkssocialmedianeedsmoreattentionthanbanksmainlybecause. A.theirusersconsistlargelyofkidsunder20yearsold B.thelanguageintheircontractsisusuallyhardertounderstand C.theinformationtheycollectedcouldbecomemorevaluableinfuture D.itremainsunknownhowusers'datawillbetakenadvantageof 76.Thewriteradvisesusersofsocialmediato.A.thinkcarefullybeforepostinganythingontosuchwebsitesB.readthetermsandconditionsevenifthereisakitemarkC.takenofurtheractioniftheycanfindakitemarkD.avoidprovidingtoomuchpersonalinformation77.Whichofthefollowingisthebesttitleofthepassage? A.Saynotosocialmedia? B.Newsecurityrulesinoperation? C.Acceptwithoutreading? D.Administrationmatters!
Whetherit'sjoiningaschoolclubgoingtoafriend'sbirthdaypartyortravellingbytrainwecanmeetnewpeopleanywhereandanytimeinourlives.Howevermanyofusfeelawkwardwhenmeetingpeopleforthefirsttimeespeciallywhenwearen'tquitesurewhattosay.Thesituationfeelscoldevenicy.'Breakingtheice'isatermwidelyusedintheEnglish﹣speakingcountriestodescribeasmalltalktechniquethatcanhelprescueaconversationfromcertainfailure.Sowheredoyouevenbegin?Wellagoodstartistoacceptthatitisperfectlynormaltofeelalittlenervouswhentalkingtosomeoneforthefirsttime.Theymightlookgrumpyorscarybuttheycouldturnouttobethenicestpersonyou'veevermet.Youmightthinkthatbreakingtheiceisdifficult.Butsometimesjustasimple'hello'followedbyathree﹣secondsmilecanmakeallthedifference.Complimentingsomeoneontheirgarmentoraccessories饰品isalsoagreateasywaytobreaktheice.Youmightsay:'Iloveyourjacket.Wheredidyoubuyitfrom?'Beinginanuncomfortableorunpleasantsituationwithsomeonenewmightfeelterriblebutitcanactuallybeoneofthebesticebreakers.Byfocusingonthesituationyoucometogethertofightthecommonenemy:thelongbathroomqueueforexampleortheovercrowdedbus.Youcanmakeobservationstoo.'Whatkindofdrinkisthat?''That'salovelyname.Whatdoesitmean?''Doyoustudyheretoo?'Thereareopportunitiesallaroundyoutoaskquestionsthatdon'tseemweirdaslongasyouhavesomefollow﹣upquestionsinmind.Ifyou'refeelingextraboldmakeajoke.Jokescanbedifficulttomasterbutifyougetthemrighttheyshowthelikeablewittysideofyourcharacter.'What'syourname?''WellpeopleusuallycallmeMikebutyoucancallmetonight.'1.Whichisthebesttitleforthepassage?A.HowtodevelopfriendshipwithastrangerB.AdviceonbreakingtheicewhenwecommunicatewithastrangerC.HowtobecomeasuccessfulpublicspeakerD.Howtostartaconversationwithaperson2.Theunderlinedword'grumpy'canbereplacedby.A.easilyannoyedB.gentleC.low﹣spiritedD.cheerful3.Whatcanwelearnfromthepassage?A.'Breakingtheice'isasmalltalktechniquewidelyusedinourdailycommunicationallovertheworld.B.Aslongasyoucansmileatothersyouwillmakesomefriends.C.Realizingthatit'snormaltofeelnervousinfrontofastrangerisagoodstarttobreaktheice.D.Beinginanuncomfortablesituationwithsomestrangerscanbethebesticebreakers.4.Accordingtothepassagemakingajoke.A.canbedonewithease.B.leadstomanynewfriends.C.canshowyourwisdomandlovelycharacter.D.makesyouenjoyyourlifehappily.
GoldenRulesofGoodDesign Whatmakesgooddesign?Overtheyearsdesignersandartistshavebeentryingto41theessentialsofgooddesign.Theyhavefoundthatsomesayingscanhelppeopleunderstandtheideasofgooddesign.Therearefourasfollows. Lessismore.ThissayingisassociatedwiththeGerman﹣bornarchitectMiesvanderRohe.InhisModernistviewbeautyliesinsimplicityandeleganceandtheaimofthedesigneristocreatesolutionstoproblemsthroughthemostefficientmeans.Designshouldavoidunnecessary42 Moreisnotabore.TheAmerican﹣bornarchitectRobertVenturiconcludedthatifsimplicityisdonebadlytheresultis43design.Post﹣Modernistdesignersbeganto44withdecorationandcoloragain.Productdesignwasheavilyinfluencedbythisviewandcanbeseeninkitchen45suchasovensandkettles. Fitnessforpurpose.Successfulproductdesigntakesintoconsiderationaproduct'sfunctionpurposeshapeformcolorandsoon.Themostimportantresultfortheuseristhattheproductdoeswhatis46.Forexamplethinkofan47desklamp.Itneedstobeconstructedfrommaterialsthatwillstandtheheatofthelampandregularadjustmentsbytheuser.Italsoneedstobestable.Mostimportantlyitneedsto48lightwhereitisneeded. Fromfollowsemotion.ThisphraseisassociatedwiththeGermandesignerHartmutEsslinger.Hebelievesdesignmusttakeinto49thesensorysideofournature﹣sightsmelltouchandtaste.Theseareasimportantasrational理性的thinking.Whenchoosingeverydayproductssuchastoothpasteweappreciateacool﹣lookingdevicethatallowsustoeasily50thetoothpasteontoourbrush. 41. 42. 43. 44. 45. 46. 47. 48. 49. 50.
设向量=﹣12=m1若向量与2平行则m=
我真希望自己的文章有朝一日能见报.hope.
已知复数为纯虚数其中i是虚数单位a为实数则a的值为
Advancesinhealtheducationanddiseasepreventionandtreatmentsaremakinghumanlifelonger.Butwhatyoumaynotknowisthatsomeseeminglyunimportantthingscanalsoinfluencehowlongandhowwellyou'lllive.Hereisthelatestresearchonlongevitysigns.Sign1:YourMomHadYouYoungIfshewasunderage25you'retwiceaslikelytoliveto100assomeoneborntoanoldermom.Theythinkthatyoungermomsproducehealthierbabies.Sign2:You'reaTeaLoverBothgreenteaandblackteacontaincatechins儿茶酚somethingthathelpsbloodvessels血管relaxandprotectsyourheart.Sign3:You'dRatherWalk'Fit'people﹣definedasthosewhowalkforabout30minutesaday﹣aremorelikelytolivelongerthanthosewhowalkless.Sotakeawalkduringyourlunchhourdoexercisearoundthefieldwhileyourkidisatsoccerpractice﹣trybyhookorbycrooktomovealittlemoreeveryday.Sign4:YouHaveStrongLegsLower﹣bodystrengthtranslatesintogoodbalanceflexibilityandpowerwhichasyougetolderplayanimportantpartinreducingyourriskoffallsandinjuriesleadingtobetterhealth.Nowyouseeitisnecessarytostrengthenyourlower﹣body.Butthequestionis:how?1.WhichofthefollowingisTRUE?A.Greenteacontainsmorecatechinsthanblacktea.B.Generallytheyoungerthemomsthehealthierthebabies.C.Themoreyouwalkthelongeryoulive.D.Low﹣bodystrengthisthemostimportantfactorforlongevity.2.Theunderlinedphraseisclosestinmeaningto''.A.tryanypossiblemeansB.usesometoolsC.choosecarefullyD.Workoutnewways3.Accordingtothetextyourlongevityisaffectedbythingssuchas.a.lower﹣bodystrengthb.diseasetreatmentsc.yourmom'saged.livinghabitsA.abcB.acdC.abdD.bcd4.Whatisthepassagemainlyabout?A.Howadvancedsciencehelpspeoplelivelonger.B.Howwomengivebirthtohealthybabies.C.Signsthattellyouyourhealthcondition.D.Thenewdiscoveriesoflongevitysigns.
设函数fx=﹣a2lnx+x2﹣axa∈R. 1试讨论函数fx的单调性 2如果a>0且关于x的方程fx=m有两解x1x2x1<x2证明x1+x2>2a.
已知点M的坐标xy满足不等式组N为直线y=﹣2x+3上任一点则|MN|的最小值是
It'sthetimeofyearwhengraduatesarelookingforwardtoputtingconstantexamsbehindandmovingontoamoreexcitingstageoftheirlives.Butinthedigitalagenoteverythingissoeasilyleftbehindbecausetheyhavecreatedadigitalfootprintthat'softennoteasytocoverup.Howevertherearevariousactionstheycantaketomakethatonlinepresence网络形象moreappreciating.1CleanupyourFacebookaccountCleanupyourFacebookpageandgetridofanythingthatcouldbeconsideredoffensive冒犯的无礼的orheldagainstyou.Rememberthetestisnolonger'Wouldyouwantgrandmatoseeit?'but'2'Useaprofessionallookingphoto3somakesurethatfirstimpressionisagoodone.Againwhatworkedatschoolisunlikelytoimpresstheemployers.Alsobeconsistent一致的andusethesamephotoonallyouronlineplatforms.4Whileit'simportanttomakethetransition过渡fromschooltotheworkplaceyoudon'twanttoleaveeverythingbehind.Makeapointofkeepingintouchwithyourschoolfriendsteachersprofessorssportscoachesoranyonewhocouldbehelpfultoyouasyouestablishacareer.BeyourselfNobodycanbemorelikeyouthanyou.5Turnyoursocialnetworkingpagesintoyourownpersonalwebsiteandstartmarketingyourownindividualbrand!A.GrowyournetworkB.SearchyourmemoryC.ApictureisworthathousandwordsD.Whomwouldyouwanttoseeit?E.Wouldyouwantafutureemployertoseeit?F.Makesureyouronlinepresenceisrepresentativeofwhoyoureallyare.G.Hereareafewsuggestionsthatyoumightwanttopasson.
变量xy之间的一组相关数据如表所示 若xy之间的线性回归方程为=x+12.28则的值为
若函数为奇函数则实数a=.
若则|z|=
我阿姨苦读四年之后获得了文凭那一刻她欣喜万分.Themoment….
ItwasthesecondtimethatIhavebeentothehospital.1itwasaweekdaytherewerestilllotsofpeopletherewhich2meatfirst.Mostofuslivehealthylivessoperhapsweneverrealizethattherearesomanypeople3painandtorment.AsIwalkedalongthehallwayIsawavarietyofpeopleandfeltmanythings4throughmymind.Iheardasmalllaughofjoyand5myheadtoseewhathadhappened.Awomanwasstandinginthehallwaysayingtoherhusbandbeside:'6isokay!Yourbabyismovingaroundlikealwaysinmybelly肚子.'Themansmiledandsaid:'Ourchildmusthavea7likemine.'Theysmiledateachotherandwalked8away.Asmallnew9makessomanypeoplesohappy.Iwas10whymyparentsalwayslookedso11whenItoldthemthatIfeltunwell.Parents12theirchildren'slivesmoredearlythantheirown.Anothernoise.Iheardanursesay:'Weare13theoperation.Don'tworry.'AnoperationissomethingthatIhavefearedeversince14.Ifearthe15ofit.Ifanoperationis16everybodyishappy.Butifnottheworldseemsto17.Afterallweknowthepeoplearounduswillleaveourworld18.Facingtheforcesoflifeanddeathweareas19asdropsofwaterinanoceanonlytheretobepushedbackandforth.Ifeltmyself20inthatexactmomentandplaceinmydeepestthoughts.1.A.As B.Because C.Although D.When2.A.frightened B.excited C.worried D.surprised3.A.goingfor B.goingthrough C.goingover D.goinginto4.A.flash B.appear C.form D.fly5.A.held B.raised C.rose D.kept6.A.Nothing B.Something C.Anything D.Everything7.A.hobby B.behavior C.character D.movement8.A.quietly B.happily C.sadly D.hurriedly9.A.life B.boy C.daughter D.person10.A.realized B.told C.recognized D.reminded11.A.down B.unhappy C.worried D.nervous12.A.see B.treat C.look D.think13.A.getting B.experiencing C.doing D.carrying14.A.childhood B.fatherhood C.adulthood D.neighborhood15.A.danger B.failure C.certainty D.uncertainty16.A.good B.successful C.quick D.easy17.A.darken B.change C.brighten D.stop18.A.early B.temporally C.permanently D.quickly19.A.abundant B.important C.necessary D.unimportant20.A.growup B.riseup C.growold D.growcrazy
函数fx=sinωx+φω>0|φ|<的部分图象如图所示将y=fx的图象向右平移个单位长度后得到函数y=gx的图象. 1求函数y=gx的解析式 2在△ABC中角ABC满足2sin2=gC++1且其外接圆的半径R=2求△ABC的面积的最大值.
圆x2+y2﹣2x﹣8y+13=0的圆心到直线ax+y﹣1=0的距离为1则a=
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