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Daniel’s family ______ their holiday in Mount Huang this time next week．
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中小学校长招聘考试《简单单选》真题及答案
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Daniel'sfamilytheirholidayinHuangshanthistimenextw
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由短周期元素组成的单质ABC和甲乙丙丁四种化合物有如下图所示的转化关系已知C为密度最小的气体甲是非电解质 根据以上转化关系回答 写出下列物质的化学式AB乙丁
Youmayusetheroomasyoulikeyoucleanitupafterwards.
A Iknowwhatyou’rethinkingpizza比萨饼ForbreakfastButthetruthisthatyoucanhavelastnight’sleftoversinthea.m.ifyouwantto. Iknowlotsofwomenwhoskipbreakfast不吃早餐andtheyhaveatonofdifferentexcusesfordoingit.Somesaytheydon’thavetime.othersthinkthey’re"saving"calories卡路里stillothersjustdon’tlikebreakfastfood. Butthebottomlineisthateatinginthemorningisveryimportantwhenyou’retryingtoloseweight."Eatingjustaboutanythingfrom300to400calorieswouldbebetterthannothingatall"saysKatherineBrookingRDwhodevelopedthesuper-easyeatingplanforthisyear’s"SELFCHALLENGE".Andevenpizzacanbehealthyifit’sloadedwithvegetablesandyousticktoonesmallpiece. BreakfastisonemealInevermissandthesamegoesformostweightlosssuccessstories.Re-searchshowsthateatingbreakfastkeepsyoufromovereatinglaterintheday.ResearchersattheUniversityofSouthernCaliforniafoundthatbreakfastskippershaveabiggerchanceofgainingweightthanthosewhoregularlyhaveamorningmeal. Soeatsomethinginthemorninganything.Iknowplentyoffriendswhoenduphavingno breakfastaltogetherandhavejustcoffeeororangejuice.Isaytryheatinguplastnight’sleftoversitmaysoundcrazybutifitworksforyoudoit!IfindifItellmyself"Youcanalwayseatittomorrow"Iputawaytheleftoversinsteadofeatingmorethatnight.Tryityoumaysaveyour-selfsomepre-bedtimecalories.Andwatchyourbodygainthefat-burningeffects. Whatcanbeinferredfromthetext.
Jamesshookhismoneyboxagain.Nothing!Hecarefully21thecoinsthatlayonthebed.$24.52wasallthathehad.Thebieyelehewantedwasatleast$90!22onearthwashegoingtogetthe23ofthemoney Heknewthathisfriendsallhadbieyeles.Itwas24tohangaroundwithpeoplewhenyouweretheonlyonewithoutwheels.Hethoughtaboutwhathecoulddo.Therewasno25askinghisparentsforheknewtheyhadnomoneyto26. Therewasonlyonewaytogetmoneyandthatwasto27it.Hewouldhavetofindajob.28whowouldhirehimandwhatcouldhedoHedecidedtoaskMr.Clayforadvicewhousuallyhad29onmostthings. "Wellyoucanstartrighthere"saidMr.Clay."Mywindowsneedcleaningandmyearneedswashing." Thatwasthe30ofJames’sodd-job零工business.Forthreemonthsheworkedeverydayafterfinishinghishomework.Hewasamazedbythe31ofjobsthatpeoplefoundforhimtodo.Hetookdogsandbabiesforwalksclearedoutcupboardsandmendedbooks.Helostcountofthe32ofcarshewashedandwindowshecleanedbutthe33increasedandheknewthathewouldsoonhave34forthebicyclehelongedfor. Theday35camewhenJamescountedhismoneyandfound$94.32.He36notimeandwentdowntotheshoptopickupthebicyclehewanted.Herode37"homelookingforwardtoshowinghisnewbicycletohisfriends.Ithadbeenhard38forthemoneybutJamesknewthathevaluedhisbicyclefarmore39hehadboughtitwithhisownmoney.Hehad40whathethoughtwasimpossibleandthatwasworthevenmorethanthebicycle. 36.
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Jamesshookhismoneyboxagain.Nothing!Hecarefully21thecoinsthatlayonthebed.$24.52wasallthathehad.Thebieyelehewantedwasatleast$90!22onearthwashegoingtogetthe23ofthemoney Heknewthathisfriendsallhadbieyeles.Itwas24tohangaroundwithpeoplewhenyouweretheonlyonewithoutwheels.Hethoughtaboutwhathecoulddo.Therewasno25askinghisparentsforheknewtheyhadnomoneyto26. Therewasonlyonewaytogetmoneyandthatwasto27it.Hewouldhavetofindajob.28whowouldhirehimandwhatcouldhedoHedecidedtoaskMr.Clayforadvicewhousuallyhad29onmostthings. "Wellyoucanstartrighthere"saidMr.Clay."Mywindowsneedcleaningandmyearneedswashing." Thatwasthe30ofJames’sodd-job零工business.Forthreemonthsheworkedeverydayafterfinishinghishomework.Hewasamazedbythe31ofjobsthatpeoplefoundforhimtodo.Hetookdogsandbabiesforwalksclearedoutcupboardsandmendedbooks.Helostcountofthe32ofcarshewashedandwindowshecleanedbutthe33increasedandheknewthathewouldsoonhave34forthebicyclehelongedfor. Theday35camewhenJamescountedhismoneyandfound$94.32.He36notimeandwentdowntotheshoptopickupthebicyclehewanted.Herode37"homelookingforwardtoshowinghisnewbicycletohisfriends.Ithadbeenhard38forthemoneybutJamesknewthathevaluedhisbicyclefarmore39hehadboughtitwithhisownmoney.Hehad40whathethoughtwasimpossibleandthatwasworthevenmorethanthebicycle. 40.
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Jamesshookhismoneyboxagain.Nothing!Hecarefully21thecoinsthatlayonthebed.$24.52wasallthathehad.Thebieyelehewantedwasatleast$90!22onearthwashegoingtogetthe23ofthemoney Heknewthathisfriendsallhadbieyeles.Itwas24tohangaroundwithpeoplewhenyouweretheonlyonewithoutwheels.Hethoughtaboutwhathecoulddo.Therewasno25askinghisparentsforheknewtheyhadnomoneyto26. Therewasonlyonewaytogetmoneyandthatwasto27it.Hewouldhavetofindajob.28whowouldhirehimandwhatcouldhedoHedecidedtoaskMr.Clayforadvicewhousuallyhad29onmostthings. "Wellyoucanstartrighthere"saidMr.Clay."Mywindowsneedcleaningandmyearneedswashing." Thatwasthe30ofJames’sodd-job零工business.Forthreemonthsheworkedeverydayafterfinishinghishomework.Hewasamazedbythe31ofjobsthatpeoplefoundforhimtodo.Hetookdogsandbabiesforwalksclearedoutcupboardsandmendedbooks.Helostcountofthe32ofcarshewashedandwindowshecleanedbutthe33increasedandheknewthathewouldsoonhave34forthebicyclehelongedfor. Theday35camewhenJamescountedhismoneyandfound$94.32.He36notimeandwentdowntotheshoptopickupthebicyclehewanted.Herode37"homelookingforwardtoshowinghisnewbicycletohisfriends.Ithadbeenhard38forthemoneybutJamesknewthathevaluedhisbicyclefarmore39hehadboughtitwithhisownmoney.Hehad40whathethoughtwasimpossibleandthatwasworthevenmorethanthebicycle. 28.
Jamesshookhismoneyboxagain.Nothing!Hecarefully21thecoinsthatlayonthebed.$24.52wasallthathehad.Thebieyelehewantedwasatleast$90!22onearthwashegoingtogetthe23ofthemoney Heknewthathisfriendsallhadbieyeles.Itwas24tohangaroundwithpeoplewhenyouweretheonlyonewithoutwheels.Hethoughtaboutwhathecoulddo.Therewasno25askinghisparentsforheknewtheyhadnomoneyto26. Therewasonlyonewaytogetmoneyandthatwasto27it.Hewouldhavetofindajob.28whowouldhirehimandwhatcouldhedoHedecidedtoaskMr.Clayforadvicewhousuallyhad29onmostthings. "Wellyoucanstartrighthere"saidMr.Clay."Mywindowsneedcleaningandmyearneedswashing." Thatwasthe30ofJames’sodd-job零工business.Forthreemonthsheworkedeverydayafterfinishinghishomework.Hewasamazedbythe31ofjobsthatpeoplefoundforhimtodo.Hetookdogsandbabiesforwalksclearedoutcupboardsandmendedbooks.Helostcountofthe32ofcarshewashedandwindowshecleanedbutthe33increasedandheknewthathewouldsoonhave34forthebicyclehelongedfor. Theday35camewhenJamescountedhismoneyandfound$94.32.He36notimeandwentdowntotheshoptopickupthebicyclehewanted.Herode37"homelookingforwardtoshowinghisnewbicycletohisfriends.Ithadbeenhard38forthemoneybutJamesknewthathevaluedhisbicyclefarmore39hehadboughtitwithhisownmoney.Hehad40whathethoughtwasimpossibleandthatwasworthevenmorethanthebicycle. 22.
Jamesshookhismoneyboxagain.Nothing!Hecarefully21thecoinsthatlayonthebed.$24.52wasallthathehad.Thebieyelehewantedwasatleast$90!22onearthwashegoingtogetthe23ofthemoney Heknewthathisfriendsallhadbieyeles.Itwas24tohangaroundwithpeoplewhenyouweretheonlyonewithoutwheels.Hethoughtaboutwhathecoulddo.Therewasno25askinghisparentsforheknewtheyhadnomoneyto26. Therewasonlyonewaytogetmoneyandthatwasto27it.Hewouldhavetofindajob.28whowouldhirehimandwhatcouldhedoHedecidedtoaskMr.Clayforadvicewhousuallyhad29onmostthings. "Wellyoucanstartrighthere"saidMr.Clay."Mywindowsneedcleaningandmyearneedswashing." Thatwasthe30ofJames’sodd-job零工business.Forthreemonthsheworkedeverydayafterfinishinghishomework.Hewasamazedbythe31ofjobsthatpeoplefoundforhimtodo.Hetookdogsandbabiesforwalksclearedoutcupboardsandmendedbooks.Helostcountofthe32ofcarshewashedandwindowshecleanedbutthe33increasedandheknewthathewouldsoonhave34forthebicyclehelongedfor. Theday35camewhenJamescountedhismoneyandfound$94.32.He36notimeandwentdowntotheshoptopickupthebicyclehewanted.Herode37"homelookingforwardtoshowinghisnewbicycletohisfriends.Ithadbeenhard38forthemoneybutJamesknewthathevaluedhisbicyclefarmore39hehadboughtitwithhisownmoney.Hehad40whathethoughtwasimpossibleandthatwasworthevenmorethanthebicycle. 26.
某种碱式碳酸铜是一种绿色固体粉末其组成可表示为Cu2OH2CO3·xH2O在加热条件下它在失去结晶水的同时发生分解反应方程式为 现取一定量的固体样品不准确称量其质量用两套仪器装置先后进行两个实验 实验Ⅰ测定该碱式碳酸铜粉末组成中x的值 实验Ⅱ用实验Ⅰ结束后的残留固体与乙醇蒸气反应并检验反应产物 试回答下列问题 这两套装置中在实验时需要加热的仪器是填对应字母
某种碱式碳酸铜是一种绿色固体粉末其组成可表示为Cu2OH2CO3·xH2O在加热条件下它在失去结晶水的同时发生分解反应方程式为 现取一定量的固体样品不准确称量其质量用两套仪器装置先后进行两个实验 实验Ⅰ测定该碱式碳酸铜粉末组成中x的值 实验Ⅱ用实验Ⅰ结束后的残留固体与乙醇蒸气反应并检验反应产物 试回答下列问题 用下面的仪器必要的铁架台铁夹酒精灯均在图中略去组装完成另一个实验装置．组装时仪器按气流方向从左到右的连接顺序是→→→在这套实验装置中干燥管H的作用是
Jamesshookhismoneyboxagain.Nothing!Hecarefully21thecoinsthatlayonthebed.$24.52wasallthathehad.Thebieyelehewantedwasatleast$90!22onearthwashegoingtogetthe23ofthemoney Heknewthathisfriendsallhadbieyeles.Itwas24tohangaroundwithpeoplewhenyouweretheonlyonewithoutwheels.Hethoughtaboutwhathecoulddo.Therewasno25askinghisparentsforheknewtheyhadnomoneyto26. Therewasonlyonewaytogetmoneyandthatwasto27it.Hewouldhavetofindajob.28whowouldhirehimandwhatcouldhedoHedecidedtoaskMr.Clayforadvicewhousuallyhad29onmostthings. "Wellyoucanstartrighthere"saidMr.Clay."Mywindowsneedcleaningandmyearneedswashing." Thatwasthe30ofJames’sodd-job零工business.Forthreemonthsheworkedeverydayafterfinishinghishomework.Hewasamazedbythe31ofjobsthatpeoplefoundforhimtodo.Hetookdogsandbabiesforwalksclearedoutcupboardsandmendedbooks.Helostcountofthe32ofcarshewashedandwindowshecleanedbutthe33increasedandheknewthathewouldsoonhave34forthebicyclehelongedfor. Theday35camewhenJamescountedhismoneyandfound$94.32.He36notimeandwentdowntotheshoptopickupthebicyclehewanted.Herode37"homelookingforwardtoshowinghisnewbicycletohisfriends.Ithadbeenhard38forthemoneybutJamesknewthathevaluedhisbicyclefarmore39hehadboughtitwithhisownmoney.Hehad40whathethoughtwasimpossibleandthatwasworthevenmorethanthebicycle. 30.
Jamesshookhismoneyboxagain.Nothing!Hecarefully21thecoinsthatlayonthebed.$24.52wasallthathehad.Thebieyelehewantedwasatleast$90!22onearthwashegoingtogetthe23ofthemoney Heknewthathisfriendsallhadbieyeles.Itwas24tohangaroundwithpeoplewhenyouweretheonlyonewithoutwheels.Hethoughtaboutwhathecoulddo.Therewasno25askinghisparentsforheknewtheyhadnomoneyto26. Therewasonlyonewaytogetmoneyandthatwasto27it.Hewouldhavetofindajob.28whowouldhirehimandwhatcouldhedoHedecidedtoaskMr.Clayforadvicewhousuallyhad29onmostthings. "Wellyoucanstartrighthere"saidMr.Clay."Mywindowsneedcleaningandmyearneedswashing." Thatwasthe30ofJames’sodd-job零工business.Forthreemonthsheworkedeverydayafterfinishinghishomework.Hewasamazedbythe31ofjobsthatpeoplefoundforhimtodo.Hetookdogsandbabiesforwalksclearedoutcupboardsandmendedbooks.Helostcountofthe32ofcarshewashedandwindowshecleanedbutthe33increasedandheknewthathewouldsoonhave34forthebicyclehelongedfor. Theday35camewhenJamescountedhismoneyandfound$94.32.He36notimeandwentdowntotheshoptopickupthebicyclehewanted.Herode37"homelookingforwardtoshowinghisnewbicycletohisfriends.Ithadbeenhard38forthemoneybutJamesknewthathevaluedhisbicyclefarmore39hehadboughtitwithhisownmoney.Hehad40whathethoughtwasimpossibleandthatwasworthevenmorethanthebicycle. 38.
ofmytwobrothersgoodatEnglish.
Jamesshookhismoneyboxagain.Nothing!Hecarefully21thecoinsthatlayonthebed.$24.52wasallthathehad.Thebieyelehewantedwasatleast$90!22onearthwashegoingtogetthe23ofthemoney Heknewthathisfriendsallhadbieyeles.Itwas24tohangaroundwithpeoplewhenyouweretheonlyonewithoutwheels.Hethoughtaboutwhathecoulddo.Therewasno25askinghisparentsforheknewtheyhadnomoneyto26. Therewasonlyonewaytogetmoneyandthatwasto27it.Hewouldhavetofindajob.28whowouldhirehimandwhatcouldhedoHedecidedtoaskMr.Clayforadvicewhousuallyhad29onmostthings. "Wellyoucanstartrighthere"saidMr.Clay."Mywindowsneedcleaningandmyearneedswashing." Thatwasthe30ofJames’sodd-job零工business.Forthreemonthsheworkedeverydayafterfinishinghishomework.Hewasamazedbythe31ofjobsthatpeoplefoundforhimtodo.Hetookdogsandbabiesforwalksclearedoutcupboardsandmendedbooks.Helostcountofthe32ofcarshewashedandwindowshecleanedbutthe33increasedandheknewthathewouldsoonhave34forthebicyclehelongedfor. Theday35camewhenJamescountedhismoneyandfound$94.32.He36notimeandwentdowntotheshoptopickupthebicyclehewanted.Herode37"homelookingforwardtoshowinghisnewbicycletohisfriends.Ithadbeenhard38forthemoneybutJamesknewthathevaluedhisbicyclefarmore39hehadboughtitwithhisownmoney.Hehad40whathethoughtwasimpossibleandthatwasworthevenmorethanthebicycle. 24.
由短周期元素组成的单质ABC和甲乙丙丁四种化合物有如下图所示的转化关系已知C为密度最小的气体甲是非电解质 根据以上转化关系回答 写出下列变化的方程式A与NaOH溶液反应的化学方程式乙与过量CO2反应的离子方程式
化学是一门实验科学实验在化学教学中起着举足轻重的作用请谈谈你是如何强化实验教学的
Duringthewartherewasaseriouslackoffood.Itwasnotunusualthateventhewealthyfamilieshadtobreadfordays.
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某种碱式碳酸铜是一种绿色固体粉末其组成可表示为Cu2OH2CO3·xH2O在加热条件下它在失去结晶水的同时发生分解反应方程式为 现取一定量的固体样品不准确称量其质量用两套仪器装置先后进行两个实验 实验Ⅰ测定该碱式碳酸铜粉末组成中x的值 实验Ⅱ用实验Ⅰ结束后的残留固体与乙醇蒸气反应并检验反应产物 试回答下列问题 这两套装置中在实验前后均要连同所盛试剂一起准确称量的仪器是填对应字母若用托盘天平称量其中某次称量记录的数据是51.12g这样记录是否合理填合理或不合理
WouldyoupleasekeepsilentTheweatherreportandIwanttolisten.
Jamesshookhismoneyboxagain.Nothing!Hecarefully21thecoinsthatlayonthebed.$24.52wasallthathehad.Thebieyelehewantedwasatleast$90!22onearthwashegoingtogetthe23ofthemoney Heknewthathisfriendsallhadbieyeles.Itwas24tohangaroundwithpeoplewhenyouweretheonlyonewithoutwheels.Hethoughtaboutwhathecoulddo.Therewasno25askinghisparentsforheknewtheyhadnomoneyto26. Therewasonlyonewaytogetmoneyandthatwasto27it.Hewouldhavetofindajob.28whowouldhirehimandwhatcouldhedoHedecidedtoaskMr.Clayforadvicewhousuallyhad29onmostthings. "Wellyoucanstartrighthere"saidMr.Clay."Mywindowsneedcleaningandmyearneedswashing." Thatwasthe30ofJames’sodd-job零工business.Forthreemonthsheworkedeverydayafterfinishinghishomework.Hewasamazedbythe31ofjobsthatpeoplefoundforhimtodo.Hetookdogsandbabiesforwalksclearedoutcupboardsandmendedbooks.Helostcountofthe32ofcarshewashedandwindowshecleanedbutthe33increasedandheknewthathewouldsoonhave34forthebicyclehelongedfor. Theday35camewhenJamescountedhismoneyandfound$94.32.He36notimeandwentdowntotheshoptopickupthebicyclehewanted.Herode37"homelookingforwardtoshowinghisnewbicycletohisfriends.Ithadbeenhard38forthemoneybutJamesknewthathevaluedhisbicyclefarmore39hehadboughtitwithhisownmoney.Hehad40whathethoughtwasimpossibleandthatwasworthevenmorethanthebicycle. 34.
Jamesshookhismoneyboxagain.Nothing!Hecarefully21thecoinsthatlayonthebed.$24.52wasallthathehad.Thebieyelehewantedwasatleast$90!22onearthwashegoingtogetthe23ofthemoney Heknewthathisfriendsallhadbieyeles.Itwas24tohangaroundwithpeoplewhenyouweretheonlyonewithoutwheels.Hethoughtaboutwhathecoulddo.Therewasno25askinghisparentsforheknewtheyhadnomoneyto26. Therewasonlyonewaytogetmoneyandthatwasto27it.Hewouldhavetofindajob.28whowouldhirehimandwhatcouldhedoHedecidedtoaskMr.Clayforadvicewhousuallyhad29onmostthings. "Wellyoucanstartrighthere"saidMr.Clay."Mywindowsneedcleaningandmyearneedswashing." Thatwasthe30ofJames’sodd-job零工business.Forthreemonthsheworkedeverydayafterfinishinghishomework.Hewasamazedbythe31ofjobsthatpeoplefoundforhimtodo.Hetookdogsandbabiesforwalksclearedoutcupboardsandmendedbooks.Helostcountofthe32ofcarshewashedandwindowshecleanedbutthe33increasedandheknewthathewouldsoonhave34forthebicyclehelongedfor. Theday35camewhenJamescountedhismoneyandfound$94.32.He36notimeandwentdowntotheshoptopickupthebicyclehewanted.Herode37"homelookingforwardtoshowinghisnewbicycletohisfriends.Ithadbeenhard38forthemoneybutJamesknewthathevaluedhisbicyclefarmore39hehadboughtitwithhisownmoney.Hehad40whathethoughtwasimpossibleandthatwasworthevenmorethanthebicycle. 32.
恒温恒压下在一个容积可变的容器中发生如下反应 若开始时放入xmolA和2molB1molC达到平衡后生成A和C的物质的量分别是ymol和3amol则x=moly=mol平衡时B的物质的量选填一个编号甲大于2mol乙等于2mol丙小于2mol丁可能大于等于或小于2mol
在常温常压下只含CHO的某些有机物在足量的氧气中充分燃烧恢复到室温后其燃烧所消耗氧气的物质的量与燃烧后所产生气体的物质的量相等在符合条件的有机物中①若其分子中含有1个碳原子则该物质的结构简式为______②若其分子中含有2个碳原子写出对应物质可能的结构简式______只需写出一种结构③若分子中含有3个碳原子且分子能与氢气发生加成反应则该物质的结构简式可能为写出三种结构__________________
Thepolicemanranafterthemanandhimbythearm.
Justtellmewhatsubjectyou’dlikemetosothatIcouldgetsomenotesready.
2.80g铁与100mL稀硝酸混合后充分反应产生气体为NO反应后铁硝酸均无剩余向反应后的溶液中加入100mL0.2mol/L的碘化钾溶液恰好将溶液中的Fe3+全部还原 求原硝酸溶液的物质的量浓度
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