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将20g含杂质(杂质不溶于水,也不溶于酸)的锌样品,与一定质量的稀硫酸恰好完全反应,所得溶液质量80.5g,同时生成氢气0.4g,试计算: (1)样品中锌的质量为: g. (2)完全反应后所...
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20.若有某种不纯的金属M.含有不溶于水也不溶于酸的杂质取该金属样品2克投入10克20%的稀盐酸中恰
96%
92%
97.25%
98%
将20g含杂质杂质不溶于水也不溶于酸的锌样品与一定质量的稀硫酸恰好完全反应所得溶液质量80.5g同时
将20g不纯的氯化镁样品杂质不溶于水也不参加反应跟一定量的氢氧化钠溶液恰好完全反应得到溶质质量分数为
将14g含少量杂质杂质不溶于水也不溶于酸的碳酸钙固体加入到73g盐酸溶液中恰好完全反应产生CO2气体
51.20g含杂质杂质不溶于水也不溶于酸的锌样品与一定质量的稀硫酸恰好完全反应所得溶液质量80.5
将10g不纯的锌粒杂质不溶于水也不溶于酸投入到100g稀硫酸中恰好完全反应得到了0.2g气体试计算1
取10g某锌样品含少量杂质且杂质不溶于水也不与酸反应于烧杯中向其中加入一定量的稀硫酸当加入稀硫酸的质
将20g含杂质杂质不溶于水也不溶于酸的锌样品与一定质量的稀硫酸恰好完全反应所得溶液质量80.5g同时
将11g含少量杂质杂质不溶于水也不溶于酸的碳酸钙固体加入到43.8g盐酸溶液中恰好完全反应产生CO2
向20g锌样品杂质不溶于水也不溶于酸中加入100g质量分数为19.6%的稀硫酸恰好完全反应.试计算该
将20g含杂质杂质不溶于水也不溶于酸的锌样品与一定质量的稀硫酸恰好完全反应所得溶液质量80.5g同时
将20g含杂质杂质不溶于水也不溶于酸的锌样品与一定质量的稀硫酸恰好完全反应所得溶液质量80.5g同时
将11g含少量杂质杂质不溶于水也不溶于酸的碳酸钠固体加入到43.8g盐酸溶液中恰好完全反应产生CO气
20g含杂质杂质不溶于水也不溶于酸的锌样品与一定质量的稀硫酸恰好完全反应所得溶液质量80.5g同时生
实验室制取氧气所用的氯酸钾通常含一定量的杂质.小明同学称取6.00g样品与少量二氧化锰不溶于水混合
2.0g
3.5g
3.29g
5.12g
取10g某锌样品含少量杂质且杂质不溶于水也不与酸反应于烧杯中向其中加入一定量的稀硫酸当加入稀硫酸的质
向20g锌样品杂质不溶于水也不溶于酸中加入100g质量分数为19.6%的稀硫酸恰好完全反应试计算该锌
某NaOH固体样品可能含有固体KOH和不溶于酸的杂质
,取5.6g该样品与100g一定质量分数的稀盐酸反应,两者恰好完全反应,生成m g水。下列说法正确的是 A.若样品不含任何杂质,则m<1.8
若m=1.8,则样品中一定含有杂质A.,可能含有固体KOH
若m=1.8,则样品中至少含有杂质A.或固体KOH的一种
若样品中不含A.,则盐酸的溶质质量分数不小于7.3%
为测定石灰石中碳酸钙的纯度取一定质量的石灰石杂质不溶于水也不与酸反应高温煅烧一段时间后得78g固体向
50%
75%
80%
90%
有含杂质的氧化铜样品40g加入稀硫酸完全反应后共用去稀硫酸368g过滤得滤渣8g杂质不溶于水也不溶于
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20分Directions:WriteanEnglishcompositionin120﹣150wordsaccordingtotheinstructionsgivenbelowinChinese. 有的人认为多给予孩子表扬和鼓励有助于他们的成长有的人则相信及时指出孩子的缺点并适当惩罚能帮助他们改正错误.你支持哪一种教育方式请谈谈你的看法和理由. .
老师拿出一瓶没有瓶盖的氢氧化钠固体取出50g样品实验如图请同学们进行分析如图所示 1计算50g样品中氢氧化钠的质量分数 2分析氢氧化钠变质的原因 3若要提纯这瓶氢氧化钠可以采取的方法是.
10分Mostpeoplemakeadonationiftheywanttohelpthoseinneed.Andtheyhopethatiftheyjoindemonstrationsorhandoutleafletsthey'llmakeothersawareoftheterribleconditionssomepeopleface.But47﹣year﹣oldBritishcomedianEddieIzzarddidsomethingcompletelydifferent.Hedecidedtoraisemoneybyrunning1100milesthroughEnglandWalesNorthernIrelandandScotland.Andhemanagedtoraisemorethan£200000! Howlongdidittakehimtorun1100miles?Believeitornotittookhimjust51days.Forsixdaysoutofeverysevenheranatleast26miles.Inotherwordsheran43marathonsinlessthantwomonthsbeforehefinishedingreatstyleandpouringraininLondon'sTrafalgarSquare! WhenaskedhowhefelthetoldtheBBCthathewasplanningtosleepforaweek.HethankedthepeoplewhohadwaitedforhiminTrafalgarSquaredespitetherain.Theyhadallcometosupporthimandtoapplaudhisincredibleachievement. Andthecomedianadmittedthathisjourneywasprettypainful.Hehadtohavehisfeetbandagedeverydaybutstilllostseveralofhistoenailsandhehadblisters水泡alloverhisfeet.Hewouldn'thavebeenabletodowhathedidifhehadn'ttakenicebathsforhislegsattheendofeachday.ThesebathshelpedtostopyourlegsinflatingtotwicethesizeofanelephantasEddiecommented. Peoplewhohavenoideaaboutrunningandexpertsalikeareimpressedwithwhathehasachieved.AndyDixoneditorofRunner'sWorldamagazineforlong﹣distancerunnerssaysCovering26milesinadayatwhateverspeedfor43runsit'sdemanding.Afive﹣hourmarathonisfairlydecentpace.It'samassiveachievement. Sohowdidhedoit?Wellwhenhedecidedtorunhewasn'tevenparticularlyfit.Heranhismarathonsslowlyatfirst.Tenhoursadaytobeginwithandashegotfitterhegotfaster.Intheendhewasfinishinginjustoverfivehours.Butfitnessalonewasnotenough.Whatwasmoreimportantwasthefactthathewantedtomakeadifferencetootherpeople'slives. WhatEddieIzzarddidwassospecialthatthedocumentaryofhisrunhasbeenmadeintoaninspiringfilm:Believe!You'vegottobelieveyoucanbesomethingelseEddiesaysinthefilm.I'vedonethatafewtimes.That'swhyIkeepgoing. Note:AnswerthequestionsorcompletethestatementsinNOMORETHANTHIRTEENWORDS 78.Howdomostpeoplehelpthoseinneed? 79.WhatdidpeopledotosupportEddie? 80.WhatmeasuresdidEddietaketoensurehismarathonseveryday? 81.ApartfromgettingfitterandraisingmoneyEddie'srunwasintended.
氨水是一种化学肥料.打开贮存氨水的容器就可以闻到一股强烈的氨味.从微观角度分析其原因是
15分AmongChinesepeoplebaijiuisknownasmorethanadrink.It'sa1nationsymbol.In1972ChinesePremierZhouEnlai2toastUSPresidentRichardNixonwithbazjiuforrebuildingrelations3theUSandChina.Yetforforeigndrinkerseventodayit4callfirewaterorrocketfuelbecauseitsoverpoweringflavorusuallymakesfor﹣5unspeakableexperience.Butthankstothecreative6mindinthealcoholbusinessthispowerfuldrinkisbecomingthenewdarlingofthebar﹣goersinmajorUScitieslikeNewYorkandWashington.7theyhavedoneismakebazjiumuch8acceptabletoAmericantastes.Bartenders调酒师createbaijiucocktailswithvinegarmilkjuiceandfruits.Thekeyto.9makeagoodbaijiucocktailistopairitwith10equalpowerfulflavorsBartenderSamAndersontoldTheNewYorkTimes.
2分诺贝尔医学奖的获得者﹣﹣屠呦呦为我们树立了很好的榜样激励我们不要半途而废而是要坚持追求梦想.set.
下列反应中不能一步实现的是
25分某学生英文报向高中生征稿主题是我在学校的一天.请根据下列要点和要求结合自己的实际完成短文. 1.学习 2.课外活动 3.感想或收获 注意: 1.词数100左右. 2.可以适当增加细节以使行文连贯.
某化学反应的微观示意图如下反应条件已省略根据该图得出的结论正确的是
通过化学基本概念和原理的学习判断下列说法错误的是
某同学在实验室中用盐酸和石灰石反应将制得的气体通入澄清石灰水中发现石灰水始终不变浑浊于是该同学对不变浑浊的原因进行了如下实验探究. 【查阅资料】CO2既不与硝酸银溶液反应也不与饱和碳酸氢钠溶液反应. 【提出猜想】①澄清石灰水已变质②制得的气体中除CO2外还含有其他成分. 【实验探究】 活动一为了验证猜想①该同学做了一个对照实验把稀硫酸滴入盛有碳酸钾溶液的试管中并将产生的气体通入澄清石灰水石灰水变浑浊则稀硫酸与碳酸钾溶液反应的化学方程式为.由该实验得出的结论是猜想①填“成立”或“不成立”. 活动二将盐酸与石灰石反应制得的气体通入硝酸银溶液中观察到有产生说明制得的气体中含有HCl气体. 【实验反思】 制得的气体中混有HCl的原因是澄清石灰水始终不变浑浊又是因为用化学方程式表示. 【拓展应用】 1若要除去CO2中混有的HCl和水蒸气下列装置可以满足要求的是. 2若另一位同学拿到的澄清石灰水已经浑浊请分析浑浊的可能原因 ①物理原因②化学原因.请用化学方程式表示
10分RachelGreeneisallthetalkinHollywoodthesedays.Here'salistofsomeinterestingfactsabouttheactress. Thestargotridofhercellphonerecently.1That'swhatweheard.Shehassaidthatshe'stalkingtopeoplemorenowthansheeverhasespeciallystrangersbecauseshedoesn'thavehercellphoneanymore.Sheactuallylikesit! Rachelbringsawoodenjarwithherwherevershegoes.2Shebelievesthattheyaffectwhatshetakesin.HerfriendRossGelleroncejokedthatRachelalwayshasawoodenjarwithherand100%ofthetimeitsmellslikeseaweed. Shelovestohugeveryoneshecomesintocontactwith.3.Shealwayssays. Whetherit'sherfirsttimemeetingsomeoneorjustacasualmeetingwithfriendsshealwaysgreetseveryonewithahug.4ForexampleMattLeBlancdidn'tknowwhattodowhenshehuggedhimattheirfirstmeeting. 5Andshehasstudiedbotanyandforestryforsixyears.Around15Irememberlookingoutathighschoolseeingthewindthroughthepinetrees.Itwassobeautiful. ThenIlookeddownandsawsomuchgarbage.Itwassosadtome.Thisledhertotheinterestandshenowactuallyknowshowtosurviveinthewild. A.Sheenjoyslivinganall﹣naturallifestyle. B.Surelyit'scausedafewawkwardsituations. C.Shedoesn'tlikeplasticcontainers. D.Itestablishesmorepersonalconnection E.Shehasapassionfortheenvironment. F.Technologyisathreattoprivacy. G.Face﹣to﹣faceconversationbringsherenjoyment.
下列图示实验操作中正确的是
6分Lookaroundthecitywhereyoulive.TheFrenchsupermarketchainCarrefourmaybeacommonsightandBelgianchocolatesprobablymakeyourmouthwater. BehindalloftheseproductsisanorganizationcalledtheEuropeanUnionEU.May6thmarksthe41stanniversaryofdiplomaticrelationsbetweenChinaandtheEU.TheEUisnowChina'sbiggesttradingpartnerwhileChinaistheEU'ssecond﹣largesttradingpartneraftertheUS.TheEUhasalsoestablisheditselfasapopulardestinationforChinesepeopletostudyandtravel. SohowhavetheseEuropeancountriesmanagedtoworktogetherasoneandbecomesoinfluentialintheworld? Establishedin1951theEUisnowauniqueeconomicandpoliticalorganizationcontaining28outof44Europeancountries.It'slikeabigschoolclassinwhichthestrongerstudentshelptheweakeroneswithmoneyandtechnology.Justlikeschoolleaderskeepingschoollifeinorderafewimportantdepartmentshelpitrun.ForinstancetheEuropeanParliamentistheheadmastermakinglawsandbudgetsfortheEUandtheEuropeanCommissionplaystheroleofyourteachersdoingtheday﹣to﹣dayworkofrunningtheEU. TherearemorebenefitsofbeinganEUmember.EUcitizenscanworkstudyortravelinmostoftheothermembercountrieswithoutapplyingforavisa.ItalsomakesiteasierforpeoplefromoutsideoftheEUtovisitthemembercountries. LastsummerShanJiarongaChinesestudenttraveledtothreeEUcountriesononeSchengenvisawhichallowsentryinto26oftheEUmembercountries.And19membercountriesusethesinglecurrencyeurowhichsavesheralotoftroubleexchangingmoney. It'sliketravelingbetweenprovincesinChinaShansaid. 1Thefirstparagraphisusedtoshow. A.EUisturningtheworldintoaglobalvillage B.livinginmoderncitiesgivesusconvenience C.EUcountriesarefamousforqualityproducts D.EUandChinahavebecomebigtradingpartners 2Schoolsandteachersarementionedinthe4thparagraphto. A.explainEUisauniqueinternationalorganization B.showEUismorepoliticalratherthaneconomic C.showhowthisinternationalorganizationfunctions D.tellustherearerichnationsandpoornationsinEU 3Fromthepassagewecouldseethat. A.EuropeanCommissionisthelawmakerofEU B.aSchengenvisagivestravelersmuchconvenience C.EUestablisheddiplomaticrelationswithChinain1951 D.EUcitizenscanworkinanyEUnationswithoutavisa
2017年3月22日是第二十五届“世界水日”水做为生命之源我们应该了解水爱护水资源. 1自然界中的水都不是纯水利用沉淀过滤和蒸馏等方法可以净化水. 2某化学课上老师取出两瓶“娃哈哈”纯净水神秘的问同学们你们知道我手里拿的是什么吗同学们七嘴八舌的说“纯净水”.老师笑道答对了一半其中有一瓶是澄清石灰水.请同学们想想利用图1所给物品设计实验鉴别老师手中哪一瓶是澄清石灰水烧杯试管铁架台等器材自备 所选物质简述实验方法. 3常见的化学试剂都是水溶液若将CO2通入到水中所得溶液的溶质是填名称若将氧化钙放置到水中充分作用后所得溶液中的溶质是填化学式. 4某同学电解180g10%的氢氧化钠溶液则电源正负两级相连的试管中产生的气体体积比为 其中发生的化学反应是请用化学方程式表示.一段时间后停止通电测得烧杯内溶液的浓度变为20%则正极一端产生的气体质量为g. 5“水能灭火亦能生火”.如图2所示将水滴加到脱脂棉上的过氧化钠上稍等片刻脱脂棉发生燃烧.已知过氧化钠能和水反应生成一种碱和一种气体.请写出发生的化学反应方程式 并指出脱脂棉发生燃烧的原因. 6水是常用溶剂.下列是有关一些溶液的溶解度曲线. 如图3为ABC三种固体物质的溶解度曲线图ABC析出晶体时均不含结晶水根据曲线图回答下列问题. ①t1℃时溶解度最大的物质是. ②若将M点处C的不饱和溶液变成饱和溶液可以选择的方法是填序号.A.降低温度B.增加溶质C.蒸发溶剂 ③t2℃时将等质量的ABC的饱和溶液都升温到t3℃溶液中溶剂质量的大小关系是忽略水的挥发.
8分Nov.2wasadaytorememberinChina'saviation航空history.Itwastheday32itsfirsthomemadelargepassengeraircrafttheC919wasshowntothepublicinShanghai.ThismakesChinathethirdregion33manufacturelargepassengeraircraft34followtheUS'BoeingcompanyandtheEuropeanUnion'sAirbusline. Alargepassengeraircraftisaplanethat35weighover100tonswhenittakesoff.Thenameisalsolinkedto36numberofseatsontheplane.InChinaanairlinerwithmorethan150seats37consideralargeaircraft.Andintheinternationalworlditmeansaplanewithover300seats. AccordingtoXinhuatheC919whichwillmakeitsfirstflightin201638seat190peopleatmost.Ithasastandardflightrangeof4075kmandanextendedrangeof5555km.ThismeansitcanflydirectlyfromBeijingtoSingapore. Theabilitytomanufacturelargepassengeraircraftisasymbolofacountry'soverallstrengthsaidPresidentXiJinpinglastyear.Thisis39makinglargeaircraftisahigh﹣techintensiveindustrythatinvolvesdifferentdisciplines40rangefromaerodynamics空气动力学tomaterialscience.
10分JusthowmuchdoestheConstitution__protectyourdigitaldata?TheSupremeCourtwillnowconsiderwhetherpolicecansearchthecontentsofamobilephonewithoutawarrant授权令ifthephoneisonoraroundapersonduringanarrest. Californiahasaskedthejusticestorestorethepracticethatthepolicemaysearchthroughthecontentsofsuspects'smartphonesatthetimeoftheirarrest.Itishardthestatesaysforjudgestoassesstheimplicationsofnewandrapidlychangingtechnologies. ThejusticeswouldbecarelessiftheyfollowedCalifornia'sadvice.TheyshouldstartbyrejectingCalifornia'sweakargumentthatexploringthecontentsofasmartphoneissimilartosaygoingthroughasuspect'swallet.Thecourthasruledthatpolicedon'toffendagainsttheFourthAmendment修正案whentheygothroughthewalletofanarresteewithoutawarrant.Infactexploringone'ssmartphoneismorelikeenteringhisorherhome.Asmartphonemaycontainanarrestee'sreadinghistoryfinancialhistorymedicalhistoryandcomprehensiverecordsofrecentcorrespondence. Americansshouldtakestepstoprotecttheirowndigitalprivacyandshouldavoidputtingimportantinformationinsmartphones.Butkeepingsensitiveinformationonthesedevicesisincreasinglyarequirementofnormallife.CitizensstillhavearighttoexpectprivatedocumentstoremainprivateandprotectedbytheConstitution'sprohibitiononunreasonablesearches. Inmanycasesitwouldnotbeverydifficultforauthoritiestoobtainawarranttosearchthroughphonecontents.Theycouldstilltrump打出王牌theFourthAmendmentprotectionswhenfacingsevereanddangerouscircumstancessuchasthethreatofimmediateharmandtheycouldtakereasonablemeasurestoensurethatphonedataarenotdeletedoralteredwhileawarrantisontheway.Thejusticesthoughmaywanttoallowroomforpolicetocitesituationswheretheyareentitledtomoreflexibility. ButthejusticesshouldnotswallowCalifornia'sargumentwhole.NewtechnologysometimesdemandsfreshapplicationsoftheConstitution'sprotections.OrinKerralawprofessorcomparestheexplosionandaccessibilityofdigitalinformationinthe21stcenturywiththeestablishmentofautomobileuseasadigitalnecessityoflifeinthe20th.Atthattimethejusticeshadtoexplainnewrulesforthenewpersonaldomain领域ofcars.SimilarlythejusticesmustsortouthowtheFourthAmendmentoftheConstitutionappliestodigitalinformationnow. 73.TheSupremeCourtwillworkoutwhetherduringanarrestitislegalto. A.searchforsuspects'mobilephoneswithoutawarrant B.checksuspects'phonecontentswithoutbeingauthorized C.preventsuspectsfromdeletingtheirphonecontents D.prohibitsuspectsfromusingtheirmobilephones 74.Theauthor'sattitudetowardCalifornia'sargumentisoneof. A.toleranceB.indifferenceC.disapprovalD.carefulness 75.Theauthorbelievesthatexploringone'sphonecontentiscomparableto. A.gettingintoone'sresidence B.handingone'shistoricalrecords C.scanningone'scorrespondences D.goingthroughone'swallet 76.InParagraph4and5theauthorshowshisconcernthat. A.principlesarehardtobeclearlyexpressed B.thecourtisgivingpolicelessroomforaction C.phonesareusedtostoresensitiveinformation D.citizens'privacyisnoteffectivelyprotected 77.OrinKerr'scomparisonisquotedtoindicatethat. A.theConstitutionshouldbecarriedoutflexibly B.NewtechnologyalsorequiresreinterpretationoftheConstitution C.California'sargumentgoesagainstprinciplesoftheConstitution D.PrinciplesoftheConstitutionshouldneverbealtered.
2分尽管各国已做出不懈的努力但还需要采取更有效的措施来应对日益严重的环境问题.Despite.
7分Thehardlivesofagingmigrantworkershavecometonationalattentionlately.Themediahavereportedthatmanymigrantworkersovertheageof50saytheywanttosaveasmuchmoneyastheirbodyallowsthem25continueearning.Theyhavenopensionswhich26enjoybyurbanworkersandmanyarestillthechiefearnersoftheirfamilies.Theykeepuptheirenergyby27eatmoremeatandconcealtheiragebydyingtheirhair. CommentatorChengZhenweiwritesonrednet.cnthatwhilethephysicalwell﹣beingofthesemigrantworkersisworrisome28conditionsoftheirfamiliesandtheirchildrenareabiggerconcern.Manyofthemigrantworkers'childrenarealsopoorandhavelittlemeanstosupporttheirparents. Worsestill29theyoftendon'thavearethestomachandwillforhardworkandalsothelackofeducationorskillstofindbetter﹣payingjobs.30facewiththeirowndifficulteconomicsituationthesemigrantworkersareshortofhopeandprospectofinheritedpovertyonthepartoftheirchildren31istheworstthingforthemaccordingtoCheng.
8分Technologicalchangeiseverywhereandaffectseveryaspectoflifemostlyforthebetter.Howeversocialchangesbroughtaboutbynewtechnologyareoftenmistakenforachangeinattitudes. Anexampleathandistheinvolvementofparentsinthelivesoftheirchildrenwhoareattendingcollege.Surveysonthistopicsuggestthatparentstodaycontinuetobeveryorsomewhatoverly﹣protectiveevenaftertheirchildrenmoveintocollegedormitories.Thesamesurveysalsoindicatethattherateofparentalinvolvementisgreatertodaythanitwasagenerationago.ThisisusuallyinterpretedasasignthatToday'sparentsaretryingtomanagetheirchildren'slivespastthepointwherethisbehaviorisappropriate. Howevergreaterparentalinvolvementdoesnotindicatethatparentsarefailingtoletgooftheiradultchildren. Inthecontextofthisdiscussionitseemsvaluabletofirstfindoutthecauseofchangeinthecaseofparents'involvementwiththeirgrownchildren.Ifparentsofearliergenerationshadwantedtobeintouchwiththeircollege﹣agechildrenfrequentlywouldthishavebeenpossible?Probablynot.Ontheotherhanddoesthepossibilityoffrequentcommunicationtodaymeanthattheimpulsetodosowasn'tpresentagenerationago?Manystudiesshowthatolderparents﹣﹣today'sgrandparents﹣wouldhavecalledtheirchildrenmoreoftenifthemeansandcostofdoingsohadnotbeenabarrier. Furthermorestudiesshowthatfinancesarethemostfrequentsubjectofcommunicationbetweenparentsandtheircollegechildren.Thefactthatcollegestudentsarefinanciallydependentontheirparentsisnothingnew;norarerequestsformoremoneytobesentfromhome.Thisphenomenonisneithergoodnorbad;itisafactofcollegelifetodayandinthepast. Thankstotheadvancedtechnologyweliveinanageofbetteredcommunication.Thishasmanyimplicationswellbeyondtherolethatparentsseemtoplayinthelivesoftheirchildrenwhohaveleftforcollege.Butitisusefultobearinmindthatallsuchchangescomefromthetechnologyandnotsomeimagineddesirebyparentstokeeptheirchildrenundertheirwings. 66.Thesurveysinformusof. A.theconditionsofcollegedormitories B.thesignofparent'smanagementintheirownbehaviors C.thedevelopmentofcommunicationtechnology D.theparents'over﹣protectionoftheircollegechildren 67.Whichofthefollowingstatementdoestheauthormostprobablyagreewith? A.Technologyexplainsgreaterparentalinvolvementwiththeirchildren. B.Parents'changedattitudesleadtocollegechildren'sdelayedindependence. C.Parentstodayarelessprotectivethanthoseinthepast. D.Thedisadvantagesofnewtechnologyoutweighitsadvantages. 68.Whatisthemeaningofthewordimpulseinthispassage? A.Desperation.B.Admiration.C.Urge.D.Depression. 69.Whichofthefollowingwouldbethebesttitleforthepassage? A.DependenceorIndependence. B.TechnologyorAttitude. C.FamilyInfluenceorSocialChanges. D.CollegeManagementorCommunicationAdvancement.
2分这家公司不仅为他提供丰厚的薪水而且给了他许多施展才华的机会.Not.
酒精灯的火焰太小时将灯芯拨得松散一些可使火焰更旺其原理是
10分 QuiteofteneducatorstellfamiliesofchildrenwhoarelearningEnglishasasecondlanguagetospeakonlyEnglishandnottheirnativelanguageathome.Althoughtheseeducatorsmayhavegood41theiradvicetofamiliesismisguidedanditarisesfrommisunderstandingsabouttheprocessoflanguage42.Educatorsmayfearthatchildrenhearingtwolanguageswillbecome43confusedandthustheirlanguagedevelopmentwillbe44.Childrenarecapableoflearningmorethanonelanguagewhethersimultaneously同时地orsequentially依次地.InfactmostchildrenoutsideoftheUnitedStatesareexpectedtobecomebilingualoreveninmanycasesmultilingual.Globallyknowingmorethanonelanguageisviewedasanasset资产andevena45inmanyareas. ItisalsoofconcernthatthemisguidedadvicethatstudentsshouldspeakonlyEnglishisgiven46topoorfamilieswithlimitededucationalopportunitiesnottowealthierfamilieswhohavemanyeducationaladvantages.Sincechildrenfrompoorfamiliesoftenare47asat﹣riskforacademicfailureteachersbelievethatadvisingfamiliestospeakEnglishonlyisappropriate.Teachersconsiderlearningtwolanguagestobetoo48forchildrenfrompoorfamiliesbelievingthatthechildrenarealreadyburdenedbytheirhomesituations. IffamiliesdonotknowEnglishorhavelimitedEnglishskillsthemselveshowcantheycommunicateinEnglish?Advisingnon﹣English﹣speakingfamiliestospeakonlyEnglishis49totellingthemnottocommunicatewithor50withtheirchildren.Moreovertheunderlyingmessageisthatthefamily'snativelanguageisnotimportantorvalued.
2分他采纳医生的建议开始实施节食计划.carry.
30分Achild'splaceinthefamilybirthordermayplayaroleinthetypeofoccupationsthatwillinteresthimorherasanadultnewresearchsuggests.Intworelatedstudiesresearchersfoundthatonlychildrenweremoreinterestedinintellectualcognitivecareersthanlater﹣bornchildren.51later﹣bornchildrenweremoreinterestedinbothartisticandoutdoor﹣relatedcareers. Forexampleparentsmaybeextremely52ofonlychildrenandworryabouttheirphysicalsafety.Thatmaybewhyonlychildrenaremorelikelytoshowinterestinacademic53ratherthanphysicaloroutdooractivities.Anonlychildwilltendtogetmoretimeandattentionfromtheirparentsthanchildrenwithsiblings兄弟姐妹.Thiswilloftenmakethemfeelspecialbutthedownsideisthattheymaysufferfrom54andlonelinesswhenfriendsdiscusstheirbrothersandsistersandfamilylife. Thefirst﹣bornisanonlychilduntilthesecondchildcomesalong﹣55themfrombeingthecentreofattentiontothensharingthecareofparents.Parentswillalsoexpectthemtoberesponsibleandsetanexample.Thechangefrombeingthefocusofafamilymaybequitea56andsoshapethefirst﹣born'soutlookonlife.Thereforefirst﹣bornsmaytrytogetbacktheirparents'attentionandapprovalbyachievingsuccessintheircareer.Itistruethatfirst﹣bornsare57moreoftenfoundaspoliticalleadersthananyotherbirth﹣orderposition. Beingtheyoungestinthefamilycansometimesbean58experienceespeciallyifthechildwantstobetakenseriously.Thelast﹣bornismorelikelythantheotherbirth﹣orderpositionstotakeupdangeroussports.Thismaybea59ofthelast﹣born'srebelliouscharacteristic﹣aresultofbeing60upwithalwaysbeingbossedaboutbyeveryoneelseinthefamily. Middlechildren61havedifferentissues.Middle﹣childsyndromecanmeanfeeling62betweentwoothermoreimportantpeople﹣anoldersiblingwhogetsalltherightsandistreatedlikeanadultandayoungersiblingwhogetsallthe63andistreatedlikeaspoiltchild.Middle﹣bornshavetolearntogetonwitholderandyoungerchildrenandthismay64thembecominggoodnegotiators﹣ofallthebirth﹣orderpositionstheyaremostskillfulatdealingwithbothauthorityfiguresandthoseholding65positions. 51.A.Inotherwords B.Inaddition C.Incontrast D.Inparticular 52.A.proud B.protective C.positive D.precious 53.A.pursuit B.exchange C.freedom D.reputation 54.A.regret B.jealousy C.sympathy D.neglect 55.A.prohibiting B.varying C.preventing D.transforming 56.A.disaster B.tragedy C.shock D.tendency 57.A.enormously B.significantly C.unexpectedly D.extremely 58.A.exciting B.confusing C.frustrating D.rewarding 59.A.sample B.signal C.symbol D.sign 60.A.tied B.fed C.mixed D.caught 61.A.therefore B.however C.otherwise D.meanwhile 62.A.sandwiched B.trapped C.combined D.balanced 63.A.honours B.resources C.privileges D.expectations 64.A.insiston B.contributeto C.approveof D.resultfrom 65.A.former B.superior C.latter D.inferior
8分 70.Howdoschoolsenquireaboutthefreeresourcepack? A.ContactA﹣Theatreat63332222 B.ContactSISTIChotlineat61234567 C.Emailenquiriestogrimms@atheatre.org D.VisitanySISTICauthorizedagentsisland﹣wide 71.WhichofthefollowingisNOTasuggestedlearningpointofthismusical? A.Thinkingcreatively. B.Combiningstoriestogether. C.Knowingtheimportanceofteamwork. D.Solvingproblems. 72.WhichofthefollowingstatementisTRUE? A.Grimm'sFairyTalesisrecommendedonlyforchildrenabove4yearsofage. B.Thestoriessubtextandperformancesaredesignedmainlytoattractchildren. C.Peoplecanbuyticketsmorethanonemonthaheadoftheshowdate. D.BangWenfuisthewriterdirectorandmusiccomposeroftheevent. 73.Accordingtothediscountrules. A.NTUCCardmemberscanenjoy15%offearlybirdratesbefore15November. B.internationalstudentswhobuytheirticketson1Nov.canhave10%discount. C.aPassionCardmemberwhoisabove55yearsoldcanenjoy25%discount. D.aNTUCCardmembershouldpay25.50ifhebuysaCat1ticketon15Nov.
2分许多老师通过在微信上分享视频让家长知晓孩子们在幼儿园的表现.keep.
8分Beforetheytooktheirplacesintheliteraryhalloffamemanyfamousauthorsfoughtthroughinsignificanceandself﹣doubt.Herearesomeexamples: StephenKing King'swritingcareerhadabadbeginning.Sohedevelopedadrinkingproblemandactuallythrewthemanuscriptforhisfirstnoveltothetrashuntilhiswifegotitbackandconvincedhimtosubmitittopublishers.ThatnovelCamewaspublishedin1973whenKingwas26.Itearnedhim﹩400000inpaperbackrightsaloneandcontinuestobeoneofhismostbelovedworks. JamesBaldwin WhenBaldwinwas5hismotherlefthisbiologicalfatherandmarriedagain.Thefamilywasverypoorandhehadtocareforyoungersisters.In1948wantingtoescapethediscriminationandprejudiceagainstblacksandgaysinAmericaBaldwinwenttoParisandremainedthereformostofhisadultlife.HepublishedhisfirstnovelGoTellitOntheMountainaauto﹣biographicalstorywhenhewas29. F.ScottFitzgerald Attheageof21FitzgeraldfellinlovewithZeldaSayrehisfuturewife.InordertowinherhandinmarriageFitzgeraldhadto.provethathecouldsupportherfinanciallyHisfirstemploymentwasamiserablefailureandasaresulttheengagement订婚wasputonhold.ButwhenFitzgeraldpublishedhisfirstnovelThisSideofParadiseat23Zelda'sfamilyfinallygavetheirblessing. JackLondon In1897attheageof21JackLondonsailedwithhisbrother﹣in﹣lawtoAlaskatojointheGoldRush.Thetwodidn'texactlygetrichbuttheexperienceprovidedinspirationforsomeofLondon'searliestshortstoriespublishedinthesameyearandgavetheSan﹣Francisco﹣bornwriteralifelongfascinationwithAlaska. 1Accordingtothepassagewhichwriterwastheyoungesttopublishhisfirstnovel? A.StephenKing. B.JamesBaldwin. C.F.ScottFitzgerald. D.JackLondon. 2Theunderlinedphraseputonholdinthepassageprobablymeans. A.delayed B.controlled C.canceled D.defeated 3JamesBaldwinmovedtoFranceprobablybecause. A.hismotherlefthisbiologicalfather B.hewastreatedunfairlyasablackinU.S. C.heplannedtospendhisadultlifeabroad D.hewastiredofsupportinghispoorfamily 4WhichofthefollowingstatementsisTRUE? A.JackLondonlivedforallhislifeinAlaska. B.StephenKingearned﹩400000forhisfirstnovel. C.Baldwin'sfirstnovelwasabouthisownlife. D.ThisSideofParadisewaswrittenfortheauthor'swife.
下列整理的与化学有关的知识不完全正确的一组是
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