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如图为KNO3、NaNO2（亚硝酸钠）、NaCl的溶解度曲线，下列说法正确的是（ ）
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亚硝酸钠的水溶液呈碱性亚硝酸钠能将Fe2+转化为Fe3+因此一些不法奸商为使腌肉制品的色泽更吸引顾客
观察颜色
品尝味道
用水溶解
分别溶于水测其pH
2008年揭阳市右图是KNO3和NaCl的溶解度曲线下列说法中正确的是
NaCl 的溶解度不受温度的影响
t10
时 ，100g KNO3 饱和溶液中含有20g KNO3
C.t20C.时 ，KNO3的饱和溶液和NaCl 的饱和溶液中溶质的质量分数不一定相等
温度高于t20C.时， KNO3的溶解度大于NaCl 的溶解度
长时间腌制的蔬菜中含有致癌物亚硝酸钠NaNO2它是硝酸钠NaNO3在一定的条件下反应生成的现有一包含
工业用盐亚硝酸钠NaNO2外观极像食盐人若误食亚硝酸钠会中毒亚硝酸钠中氮元素的化合价是
+1
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+3
+4
某建筑工地发生多人食物中毒经化验为误食工业用盐亚硝酸钠NaNO2所致NaNO2中氮元素的化合价是
+2
+3
+4
+5
工业用盐亚硝酸钠NaNO2有毒亚硝酸钠中氮元素的化合价是
+1
+2
+3
+5
右图为KNO3和NaCl两种物质的溶解度曲线1两种物质的溶解度受温度的影响变化较大的是_______
亚硝酸钠NaNO2常用作食品的发色剂和防腐剂但食品中的亚硝酸钠含量超标会危害人体健康．亚硝酸钠具有
如图为KNO3NaNO2亚硝酸钠NaCl的溶解度曲线请分析图象回答下列问题1KNO3NaNO2NaC
亚硝酸钠NaNO2常用作食品的发色剂和防腐剂但食品中的亚硝酸钠含量超标会危害人体健康.亚硝酸钠具有咸
工业用盐亚硝酸钠NaNO2外观极像食盐人若误食亚硝酸钠会中毒亚硝酸钠中氮元素的化合价是
+1
+2
+3
+4
2008年黄石市右图是KNO3和NaCl的溶解度曲线下列说法中正确的是
NaCl的溶解度不受温度的影响
KNO3的溶解度大于NaCl的溶解度
t1℃时，100g KNO3的饱和溶液中含有20克 KNO3
t2℃时，NaCl的饱和溶液与KNO3的饱和溶液中溶质的质量分数相等
右图表示是KNO3和NaNO3的溶解度曲线下列说法正确的是
t1℃时，两种溶液中溶质质量分数一定不相等
t1℃时，在50g水里加入15g KNO3固体，充分溶解，得到60g溶液
t1℃时，硝酸钾、硝酸钠两物质饱和溶液升温到t2℃后，溶质质量分数相等
两种饱和溶液从t2℃降温到t1℃时，析出晶体：硝酸钾一定多于硝酸钠
工业用盐亚硝酸钠是有毒物质外观和口味与食盐相似我国曾多次发生民工用亚硝酸钠代替食盐进行烹饪而中毒的事
＋1
＋2
＋3
＋5
如图为KNO3NaNO2亚硝酸钠NaCl的溶解度曲线请分析图像回答下列问题160℃时KNO3饱和溶液
亚硝酸钠NaNO2外观类似食盐可能因误作食盐而发生食物中毒事故欲鉴定之可将亚硝酸钠及食盐用水溶解后分
NaNO
3
AgNO
3
KNO
3
Cu（NO
3
）
2
如图为KNO3NaNO2亚硝酸钠NaCl的溶解度曲线请分析图象回答下列问题1NaNO2因外观与NaC
2011年4月7日甘肃省平凉市崆峒区又发生一起误把亚硝酸钠当食盐的中毒事件确保食品安全的警钟再次敲响
SO2
NH3
N2
NO2
亚硝酸钠NaNO2外观与食盐极相似有咸味区别它们的有效方法是隔绝空气加热没有明显变化的是食盐能分解放
S02
N02
N2
NH3
如图为KNO3NaNO2亚硝酸钠NaCl的溶解度曲线请分析图象回答下列问题160℃时KNO3饱和溶液
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Beingyoungisassociatedwithallthegoodthingsinlife﹣beautyhopeandenergy.Butyouthalsohasnegativeassociations﹣impulsivenesstrouble﹣makingandirresponsibility.Thisnegativesideseemstobewhatsocietyfocusesonmorewhichiswhyyoungpeoplehavemostlybeenconsideredasidleanddifficult. ButwhenitcomestoGenerationZ﹣thosebornbetween1996and2010﹣thisstereotypedoesn'tseemtoapplyanymore. InJapanforexampleGenZ﹣ersarelesslikelytobuyonimpulsebuttakeintoconsiderationmoreaproduct'struevalue.They'relookingatthecompaniesnotjusttheproductsMasahikoUotaniCEOofJapanesecosmeticscompanyShiseidotoldBloomberg.They'reasking'AretheyreallydeliveringvaluetothesocietyAretheypromotingdiversityandinclusion GenZ﹣ersarealsomoregroundedthanwe'veexpectedthemtobe.AccordingtoarecentsurveybyBankofAmericamorethanhalfofyoungadultsagedbetween18and23saidtheywereplanningtobuyahousewithinfiveyears.Andthey'renotjustsayingit﹣theyarewillingtomakesacrificesforitincludinggettingasecondjobandsavingmoneyfordownpaymentinsteadofspendingitonavacation. DespitetheiryoungagethisgroupispragmaticandactivelyplanningfortheirfutureD.SteveBolandheadofConsumerLendingatBankofAmericatoldUSAToday.Theyhaveaclearvisionhowtheyarewillingtohelpthemselvesinordertomakeithappen. SocialissuesarealsoatthecenterofconcernofGenZ﹣erswhotakethemselvesasachangingforceoftheworld.InIndiaforexampleyoungpeoplewhohavejustreachedthevotingageareeagertovoteforanewleaderwhoiscapableofsolvingproblemsthatmatterthemosttothemincludingpollutionunemploymentandwomen'ssafety. AsaGen﹣Zeryourselfwhatisyourplanforthefuture 1Whatdotheunderlinedwordsthisstereotypeinparagraph2referto A.Beingyoungisgood. B.GenZ﹣ersarebornafter1996. C.Thetraditionalpoorimpressionsontheyouth. D.Theassociationswithyoungpeople. 2Wecaninferfromthethirdparagraphthat. A.GenZ﹣ersinJapanarepicky B.TheGenZ﹣ersareself﹣centered C.TheGenZ﹣erscarelittleaboutproducts D.TheGenZ﹣ersarewisewhenshopping 3What'sSteveBoland'sattitudetotheGenZ﹣ers A.Approving. B.Negative. C.Indifferent. D.Critical 4WhichofthefollowingwordsmaybestdescribetheGenZ﹣era A.Confidentandindependent. B.Visionaryandresponsible. C.Persistentanddown﹣to﹣earth. D.Activeandcreative.
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30分IwasoftentoldthatGodlovedme.Iwantedtobelievethatsomuch. Fornearlya1Iwasshuttledbetweenadoptivefamiliesandgrouphomes﹣14ofthem.Somefamilieswerenice.Otherswere2likeevilsinadarkfairytale.Attheageof12Iwasfinally3byGayandPhilCourteracouplewithtwoadultsons.GaysaidWelivedfora4andwebelievethatreasonisyou. I'dbeenliedtobyadultssomanytimesinthepastyears.Iwasn'tsurethey5lovedme.Therewillbeno6.AllthoseparentswereprettymuchthesameIsaidtomyself.I7tocallthemMomandDad.Iwasparticularaboutthehome﹣cookedmealsGay8prepared.Ihidinmyroomasmuchaspossible.Iwantedtomakethem9sothey'dshowtheirtruecolors. OneFridaynightintheeighthgradeIreally10thingstothelimit.Aneighborhoodgirlhadpersuadedmeto11outofthehousewithhertomeetsomeboys.IputAdvil镇痛药inmyparents'drinksafterdinner12itwouldmakethemsleepy.Wow!I'dneverseenthemso13.NowtheywouldsurelysendmebackIthought.Insteadtheysaid.Ashleywearefamilywehavenowheretosendyoubacktowemust14thislikeafamily. Iranin15tomybedroomwhereIspenttheweekend.SeeinghowmuchI'ddisappointedthemmademe16.Noonehadevercaredformelikethat.Ididn'tdeservethis17. SundaynightGaycameintomyroom.She18downandkissedmycheek.Loveyousweetieshesaid.ForthefirsttimeeverIkissedherback.LoveyoutooIsaid.Thatword﹣love﹣soundedso19yetfeltsotrue.Iwasdiscoveringthatloveiswhatmakesan20. 1A.fortnight B.week C.month D.decade 2A.cruel B.mad C.angry D.strange 3A.moved B.discovered C.adopted D.persuaded 4A.family B.kindness C.love D.reason 5A.possibly B.finally C.truly D.certainly 6A.point B.choice C.difference D.evidence 7A.started B.refused C.wanted D.agreed 8A.happily B.painstakingly C.willingly D.easily 9A.mad B.relaxed C.content D.shocked 10A.dragged B.proved C.pulled D.pushed 11A.run B.jump C.slide D.break 12A.discovering B.observing C.seeing D.thinking 13A.nice B.angry C.different D.cruel 14A.dealwith B.putdown C.lookthrough D.writedown 15A.joy B.tears C.anger D.laughters 16A.ashamed B.annoyed C.excited D.satisfied 17A.service B.honor C.honesty D.kindness 18A.bent B.took C.put D.broke 19A.different B.popular C.strange D.familiar 20A.group B.family C.adult D.union
Whenyoufallgetupagainisalessoneveryparenthopestheirchildwilllearn.ButnoonecouldhaveshowedthisbeerthanBaileyMatthewsfromNottinghamshireEngland.Despitehavingcerebralpalsyaconditionthatlimitsbodymovementandmuscledevelopmentthe8﹣year﹣oldcrossedthefinishlineatatriathlon铁人三项赛withouthiswalkerlastSaturday. Diagnosed诊断withcerebralpalsyat18monthsBaileybecameinterestedintakingonatriathlonwhenhisdadJonathanMatthewsstartedpushinghimarounda5﹣kmcourseataweeklyparkrunevent.JonathanthenadaptedawalkingframesoBaileywhoneedsregularphysicaltreatmenttohelpwithhismobilitycouldgetroundthecoursehimself.SoonafterBaileyexpressedhiswishtotakeonatriathlonandbegantrainingonaspecialbikeandswimminginalake. Althoughhetrippedandfellafewtimesheimmediatelypickedhimselfbackupandmadeittotheendwithhisfatherrollingthewalkerbehindhim.Themostinspiringmomentcameafterhehadalreadycompleteda100﹣meterswima4000﹣meterbikerideanda130﹣meterrun.Hediscardedhisspecially﹣adaptedwalkingframetofinishthelast20metersoftheraceunaidedbringingthecrowdtotears.HundredsofaudiencecheeredBaileyouttothefinishlinebuthisbiggestfansweremostdefinitelyhisparents. Hehasalwaysstruggledwiththingsthatparentsofotherchildrentakeforgrantedbutheneverletsitbotherhim.Hedoesn'tseehimselfasdifferenttoanyoneelse.Ifhewantstodosomethinghewillfindawaytodoitevenifitisnottheconventionalway.WehavealwaystriedtomakesurethatifthereissomethinghewantstodothereisnosuchwordasCAN'TsayshismotherJulieHardcastle. 1WhatdoweknowaboutBaileyMatthews A.HewasthebeststudentinNottinghamshire B.Hefullyrecoveredafterhetookpartinatriathlon. C.Hewasencouragedbyhisdoctortobecomeatriathlon. D.Hefinishedatriathlonregardlessofphysicalrestrictions. 2WhichofthefollowingbestexplainsdiscardedunderlinedinParagraph3 A.Reliedon B.Threwaway C.Toredown D.Fixedup 3HowdoesJulieHardcastlefeelaboutherson A.Sheisproud B.Sheisgrateful C.Sheissympathetic D.Sheisdisappointed. 4Whatcanbeasuitabletitleforthetext A.Parents'Love B.StrongFamilyTies C.AnInspiringTriathlonFinish D.ALonelyStruggleAgainstMisfortune
HowtoCultivateConfidence Whenfacedwithabigchallengewherepotentialfailureseemstoappearateverycornermaybeyou'llhearthisadvice:Bemoreconfident.1Takethebeliefthatyouarevaluableworthwhileandcapablealsoknownasself﹣esteem.Confidenceturnsthoughtsintoaction.Itcomesfromthegenesyouarebornwiththewaypeoplegetusedtotreatingyouaswellasthechoicesyoumake.Whileitisn'tpossibletocompletelyseparatethesethreefactorsthepersonalchoiceswemakeobviouslyplayamajorroleinconfidencedevelopment.Asaresultbykeepinginmindcertainpracticaltipswedoactuallyhavethepowertocultivateourownconfidence. 2Ifyou'relookingforalong﹣termchangeconsiderthewayyouthinkaboutyourabilitiesandtalents.DoyouthinktheyarefixedatbirthorthattheycanbedevelopedThesebeliefsmaterbecausetheycaninfluencehowyouactinthefaceofsetbacks.ifyouhaveafixedmindsetmeaningthatyourtalentsarelockedinpaceyoumightgiveupassumingyou'vediscoveredsomethingyou'renotgoodat.Butifyouhaveagrowthmindsetandthinkyourabilitiescanimproveachallengewillbecomeanopportunitytolearnandgrow.Neuroscience神经学supportstheJatter.Theconnectionsiryourbraindogetstrongerandgrowwithstudyandpractice.3 Practicingfailureisamust.Failurehappens.4.J.K.RowlingwasrejectedbytwelvedifferentpublishersbeforeonepickedupHarryPotter.TheWrightBrothersbuiltonhistory'sfailedattemptsatflightbeforedesigningasuccessfulairplane.Studiesshowthatthosewhofailregularlyandkeeptryinganywayarebetterequippedtorespondtochallengesinaconstructiveway.5Sothinkofachallengeyouwanttotakeonrealizeit'snotgoingtobeeasyacceptthatyou'llmakemistakesandbekindtoyourselfwhenyoudo.You'llfeeltheexcitementknowingthatwhatevertheresultyou'llhavegainedgreaterknowledgeandunderstanding. A.Butwhatisconfidence B.Socanconfidencebeeasilycultivated C.Everyoneispossibletoencounterfailure. D.Beingatalentedpersonisquitenecessary. E.Theylearntotrydifferentstrategiesandpersevere F.Believinginyourabilitiestoimproveisthefirststep. G.Italsoturnsoutthatpeoplewithagrowthmindsetarebetteratdealingwithchallenges
GardenerssuchasPrinceCharleswhoclaimthattalkingtoplantsencouragesthemtogrowhavelongbeenseenasalittlesilly.ButscientistshavediscoveredevidencewhichsuggeststheRoyalmayactuallyberightandtheycouldbelisteningtohim.BiologistsatTelAvivUniversityinIsraelhavefoundthatflowerscanactasaplant'searstohelpthemdetectthesoundofapproachinginsects. Whentheresearchersplayedrecordingsofflyingbeestoeveningprimroseflowerswithinthreeminutesthesugarconcentrationsinthenectar花蜜ofitsflowersincreased.Thefluidproducedtoattractpollinating授粉insectswasonaverage20percenthigherinflowersexposedtothebuzzcomparedtothoseleftinsilenceorexposedtohigherpitchedsounds.ProfessorLilachHadanywholedthestudysaid:Ourresultsdocumentforthefirsttimethatplantscanrapidlyrespondtopollinatorsoundsinanecologicallyrelevantway. HoweverProfHadanysaidaplant'sabilitytorespondtopollinatorsmaybeweakenedincityenvironmentsorbesideabusyroad.Whileplantsrequirewatersunlightandtherighttemperaturetogrowitiswidelybelievedtheydonothavesensesinthewayanimalsdo. Butthestudypublishedontheopen﹣sciencewebsiteBioRxivsuggeststheeffortsofgardenerswhotalktotheirplantsmaynotbeinvain.Plants'abilitytohearhasimplicationswellbeyondpollination﹣plantscouldpotentiallyhearandrespondtoherbivoresotheranimalstheelementsandpossiblyotherplantsProfHadanyadded. Amonth﹣longexperimentconductedbytheRoyalHorticulturalSocietyin2009foundfemalevoicesappeartospeedupthegrowthoftomatoes.Theresearchoffersapossibleexplanation﹣women'svoiceswereattherightfrequencyfortheplantstohear. 1What'seveningprimroseflowers'responsetobees'buzz A.Longerbloom. B.Sweeternectar. C.Brightercolor. D.Lessfluid. 2WherecanplantsgrowbetteraccordingtoHadany A.Onasquare. B.Besideahighway. C.Inthewoods. D.Alongthestreet. 3Whatcanweinferfromtheresearch A.PrinceCharlesproveskindofstupid. B.Plantscanonlypotentiallyhearanimals. C.Plantsrespondtosoundsslowlyandecologically. D.Plantsgardenerstalktofrequentlydevelopwell. 4Whatdoesthetextmainlytalkabout A.Flowerscanhear. B.Beesarebestpollinators. C.Plantscan'tgrowwithoutsound. D.Women'svoicesimproveplants'growth.
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.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. Theworldseemstobefacingtwoproblem.Oneisthattoomanypeoplearedangerousover﹣weighted.Thistypeofproblemcalledobesity肥胖症.Obesityiswhenapersonhavemorethan25﹣30percentofbodyfat.Theotherproblemisaillnesscalledanorexia厌食症.Thisiswhenpeoplearedangerouslythinwearelessthan85%oftheirnormalbodyweight.Alloftheseproblemsareveryseriousbecauseofthebodycannotworkproperlywhenitistoofatortoothin.Theheartliverkidneysandlungswillnotbeabletokeepthebodyhealth. Peoplecandiefromillnessescausingbybeingtoofatortoothin.
It'softensaidthatyourparents'jobistomakesurethatonedayyounolongerneedthem.Andthat'scertainlythecasebythetimeyouhavekidsofyourown.Howeverthisispreciselythetimewhenyourparentsstarttoneedyou.Howdoyoutalktoyouragingparentsabouttheirhealth1butthesetipsmakeiteasier. Beforeaconversationyouhadbetterestablishyourselfasafriendnotanenemy.AlwaysstartwithanIstatementnotayoushouldstatement.2. Scientistsrecommendbeginningaconversationaboutsomethingyou'redoing﹣takingupyogatostayslimforinstance.3.Andyoucanevenhavehercommittodoingitwithyou.Whenyou'reafriendday﹣to﹣dayyourparentswilltrustyouandbeabletodependonyouduringahealthcrisis. 4.Startbyequippingthemwithasmartphonethat'sdesignedforseniors.Stayinginclosephonecontactwillkeepyouinformedofanyarisinghealthissues.Itwillhelpyoupickuponfaultsintheirmemorytoo. Yourparentsareyourparentsuntilthey'regone.Donottreatthemlikechildren.Evenifyoufindthatthere'sanemergencygoingonyoucanmakesuggestionsbuttheyhavetherighttomakedecisionsespeciallyifthere'snocognitive认知的disorder.5helpingyourparentsintheirlateryearsistheleastyoucando.Withthepropermeasuresandtechnologyitcangeteasierandfeelevenmorerewarding. A.Justastheyhavebeenthereforyou B.Itmaynotbeasimpleconversationtohave C.Itcanmeanchangesinyourparents'schedule D.Scientistsalsosuggestsphoningyourparentsregularly E.Thatcanleadtoaskingyourmomwhatshe'sdoingtokeepfit F.Talkaboutaffairsaboutyourselffirstthenextendthemtoyourparents G.Scientistsrecommendopeningthedoortodialogueinsteadofcallingthem
如图1是一块长为60cm的正方体薄铁片制作的一个长方体盒子如果要做一个没有盖的长方体盒子可先在薄铁片的四个角上截去四个相同的小正方形如图2然后把四边折合起来． 1求做成的盒子底面积ycm2与截去小正方形边长xcm2之间的函数关系式 2当做成的盒子的底面积为900cm2时试求该盒子的容积．
小明的身高为1.8米某一时刻他在阳光下的影长为2米与他邻近的一棵树的影长为6米则这棵树的高为
计算0+﹣1﹣﹣|﹣1|．
TodayMountQomolangma'speakisnotalonelyplaceanymore.Over3500peoplehave1successfulclimbedthemountainoverthepastyear.Meanwhileclimbershavecomplainedabout2waitforhoursinthebottlenecks. Infactthedangerous3crowdaren'ttheonlyproblem.Allthoseclimbersneed4bringalotofgear装置andmuchofthemendsupbeingleftonthemountains.becomingtheworld's5tallrubbishdump. Butthegoodnewsis6somemountaineersareovertakingittocleanupQomolangma.MountaineersPaulandEberhardarepartofEcoEverestExpeditionwhichhasbeencleaninguprubbishsince2008.Sofarthey7collectover13tonsofgarbage. Someofthatrubbishisevenbeingusedfor8higherpurpose.AspartoftheMountEverest8844ArtProject.agroupof15artistsNepalcollected1.5tonsofgarbage.They'vechangedthecansandoxygentanksinto74pieceofartthathaveareexhibited9Nepal'scapital.Partoftheprofitfromsales10beavailablefortheEverestPakeersAssociationwhichhashelpedolerubbishofthemountain.
甲骑自行车乙骑摩托沿相同路线由A地到B地行驶过程中路程与时间的函数关系的图象如图所示．根据图象可知 ①先出发的是填“甲”或“乙” ②甲的行驶速度是公里/分 ③乙的行驶速度是公里/分
Chinesedoubleamputee截肢climberXiaBoyureceivedthemostvotes1globaltobecomethe2019LaureusSportingMomentoftheYearwinneronMonday. Xiacameoutfromaninitiallistof10nomineesbeforethreefinalistsweremade2knowtothepublicearlierthismonth. Xiahadlostbothhislegsin1975duringhisfirstattempttoreach3world'shighestpeakofQomolangmaduetofrostbite.Hechallengedthesummitin20142015and20164 wellbuthisdreams5breakowingtoavalancheearthquakeandbadweatherrespectively. Xiafinallymade6inhisfifthattemptonMay142018becomingthefirstChinesedoubleamputeeclimber7reachthesummitofQomolangma. ClimbingtothesummitofQomolangmaisalwaysadreamandgoalforme.I8fightforitoverthepastdecades.DespitebadknocksseveraltimesInevergaveup.Ithinkthedeterminationmademylifesocolorfuland9meaningXiatoldChinesemedia. Xiaaddedthathisnextgoalwillbe7+2namelythehighestsummitsofseven10continentplustheSouthPoleandNorthpole.
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.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. LastsummervacationIworkedasavolunteerintheWolongChinaGiantPandaGardeninSichuanwhereIstayfortwoweeks.ThatIneededtodowastocleanthepandas'housesfeedthepandasormakefoodforthem.OnemalepandaItookcarewasnamedJingjing.ShewasoneofthemostinterestedpandasintheGarden.NormallythepandaisashycreaturenotusedtobeincontactwithotheranimalsparticularlyhumansbutJingjingseemedverydifferently.Heoftenreachedoutoneofhisfoottogreetmeandsmiledatme.Sometimeshetriedtomakemetolaugh.
Examplesofeffectiveconservationofplacesmattertotheworld.Theyrangefromthe1960sNubiancampaigntosafeguardAncientEgyptianmonumentsfromthewatersoftheAswanDamtotheremovalin2018oftheBelizeBarrierReeffromtheListofWorldHeritageinDanger.ConservationisthecorepurposeoftheWorldHeritageConventionanditmayalsobeitsbiggestchallenge. Thefollowingexampleshowshowsuccessesatspecificsitesnowserveasmodelsforconservationandsustainable可持续性development.AyearafterViennawasincludedontheWorldHeritageListin2001theWorldHeritageCommitteeWHCexpressedconcernsaboutthearchitecturalsolutionsandheightoffourplannedtowersoftheWien﹣Mitteproject.ThisdevelopmentprojectclosetotheHistoricCentreofViennainthesite'sbufferzonetheonethatliesbetweentwoormoreotherareasaffectedtheurbanscale规模andvisualeffectsinandaroundtheproperty地产.AsaresultoftheCommittee'sconcernsViennachangeditsbuildingcodesandlaunchedanewdesigncompetitionfortheWien﹣MitteprojecttoworkoutarchitecturalplanswithreducedsizeinkeepingwithWorldHeritageprotection. Thesuccessfulpracticeinspiredthegovernmentofthecitytoinviteover600expertsandprofessionalsfrom55countriestoaninternationalconferenceonWorldHeritageandcontemporaryarchitectureheldinViennainMay2005.TheglobaldiscussionthatfolloweddetailinganapproachtomanagingconservationanddevelopmentwasrecordedintheUNESCORecommendationin2011. TheRecommendationputforwardsanall﹣roundedandcombinedapproachtobalancingurbanheritage遗产conservationandeconomicdevelopmentarguingthatactiveprotectionandmanagementofurbanheritagesupportsthegoalofsustainabledevelopment. TheRecommendationsupportstheharmoniouscombinationofcontemporaryinvolvementintothehistoricurbanframeworkwhileholdingontovalueslinkedtohistorymemoryandtheenvironment. 1WhydoestheauthormentiontheBelizeBarrierReefinParagraph1 A.Toexplainthegoaloftheorganization B.Toencouragethepublictoprotecttheworld C.Toshowthepositiveeffectofconservation. D.Toremindpeopleoftheenvironmentalproblems. 2WhywasWHCworriedabouttheWien﹣Mitteproject A.Ittookuptoomuchpubliclandofthecity. B.IthadabadeffectontheHistoricCentreofVienna C.Itsoriginaldesignswerenotenvironmentallyfriendly. D.Itsarchitecturalsolutionscouldn'tmeetsafetystandards 3Whatdidtheglobaldiscussionfocuson A.Thewaystocombineconservationanddevelopment. B.ThecreationofthenewUNESCORecommendation C.Theinternationalurbanmanagementanddevelopment. D.ThestylesofthecontemporaryarchitectureofVienna. 4Whatistheauthor'spurposeinwritingthetext A.Toexaminethechallengesfacedbyglobalurbanplanners. B.Tointroducealternativewaysofprotectingtheenvironment. C.Tostresstheimportanceofthevalueofhistoryandmemory. D.Topromoteactiveconservationandsustainabledevelopment.
假定你是红星中学的李华你的英国朋友Peter热爱体育运动他将作为交换生到你校学习一年.请你给他写封邮件主要内容包括: 1.介绍你校体育课程及活动; 2.推荐一项中国传统体育项目. 注意:1.词数100左右; 2.可以适当增加细节以使行文连贯.
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