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《新修草本》有关“青矾”的描述为：“本来绿色，新出窟未见风者，正如琉璃……烧之赤色……”据此推测“青矾”的主要成分为（ ）
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高三下学期化学《》真题及答案
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下列哪种矿物类中药在O2作用下会失去原有的色泽
石膏
滑石
赭石
青矾
唐代中药学著作新修本草中有关于青矾的记录为本来绿色新出窟未见风者正如琉璃烧之赤色据此推测青矾的主要成
CuSO4·5H2O
FeSO4·7H2O
KAl(SO4)2·12H2O
ZnSO4·7H2O
2016年·泉州模拟三1640年我国早期科技丛书物理小识•金石类记有青矾厂气熏人衣服当之易烂载木不
硝酸
氨水
硫酸
盐酸
新修本草是中国古代著名的中药学著作记载药物844种．其中有关用青矾制备绛矾的描述本来绿色新出窟未见
Fe
2
O
3
FeSO
4
•7H
2
O
Na
2
SO
4
•10H
2
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CuSO
4
•5H
2
O
新修本草是我国古代中药学著作之一记载药物844种其中有关于青矾的描述为本来绿色新出窟未见风者正如瑠
CuSO
4
•5H
2
O
FeSO
4
•7H
2
O
KAl（SO
4
）
2
•12H
2
O
Fe
2
（SO
4
）
3
•9H
2
O
新修本草是我国古代中药著作记载药物844种其中青矾条目下写到本来绿色新出窟未见风者正如玻璃烧之赤色
CuSO
4
•5H
2
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ZnSO
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•7H
2
O
KAl（SO
4
）
2
•12H
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FeSO
4
•7H
2
O
青矾是在什么条件下失去原有青绿色泽而变色的
酸
碱
氧气
温度
湿度
.1640年我国早期科技丛书物理小识·金石类记有青矾厂气熏人衣服当之易烂载木不盛青矾强热得赤色固体气
硝酸
氨水
硫酸
盐酸
青矾是在什么条件下失去原有青绿色泽而变色的
酸
碱
氧气
温度
新修本草是我国古代中药学著作之一记载药物844种其中有关于青矾的描述为本来绿色新出窟未见风者正如瑠璃
CuSO
4
·5H
2
O
FeSO
4
·7H
2
O
KAl(SO
4
)
2
·12H
2
O
Fe
2
(SO
4
)
3
·9H
2
O
人类活动导致大气中含氮化合物浓度增加产生沉降是新出现的令人担忧的全球变化问题一科研小组选择受人
灌木植物和草本植物繁茂
灌木植物和草本植物萎缩
灌木植物茂盛、草本植物萎缩
灌木植物萎缩、草本植物茂盛
新修本草中有关于绛矾的描述为绛矾本绿色新出窟未见风者正如瑠璃．陶及今人谓之石胆烧之赤色故名绛矾矣．
易失结晶水
灼烧产物中有氧化铁
含铜元素
被灼烧时发生了氧化还原反应
按药物自然属性分类的首部本草专著是
《新修草本》
《本草经集注》
《神农本草经》
《本草纲目》
《重修政和本草》
唐代中药学著作新修本草中有关于青矾的记录为本来绿色新出窟未见风者正如瑠璃„„烧之赤色据此推测青矾的主
CuSO.4
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O
.FeSO.
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·7H.
2
O
.KAl(SO.
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2
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.Fe
2
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4
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按药物自然属性分类的首部本草专著是
《新修草本》
《本草经集注》
《神农本草经》
《本草纲目》
《重修政和本草》
新修本草是我国古代中药学著作之一记载药物844种其中有关于青矾的描述本来绿色新出窟未见风者正如琉璃
FeSO
4
•7H
2
O
CuSO
4
•5H
2
O
KAl（SO
4
）
2
•12H
2
O
Fe
2
（SO
4
）
3
•9H
2
O
唐本草记载本来绿色新出窟未见风者正如瑠璃．陶及今人谓之石胆烧之赤色故名绛矾矣．文中绛矾为
FeSO
4
•7H
2
O
CuSO
4
•5H
2
O
Na
2
SO
4
•10H
2
O
KAl（SO
4
）
2
•12H
2
O
2018年·福建模拟4月唐代苏敬新修本草有如下描述本来绿色新出窟未见风者正如瑠璃．陶及今人谓之石胆烧
硫酸铜晶体
硫化汞晶体
硫酸亚铁晶体
硫酸锌晶体
我国早期科技从书金石类中提到青矾主要成分FeSO4·7H2O厂气熏人衣服当之易烂栽木不茂青矾强热得办
矾油的溶液与锌铜能形成原电池
青矾中铁元素属于元素周期表的副族元素
矾油溶液的pH小于7
青矾的主要成分中既含有离子键，又含有共价键
我县新修的眉青路两旁已有许多新建的房屋工厂这主要是什么原因
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短文改错 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.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\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. Ihavelearntsomuchthingsfrommyparents.Theyshowmewhentobeatolerant宽容person.Whenchildrenmakemistakesmostparentswhoarehardwiththeirkidswillbeveryangry.Theysaysomehurtingwordsmakingtheirchildrentofeelsad.Besidesmyparentsaredifferentfromthem. EverytimeImakemistakesmyparentsprefertoeducatemeinagentlyway.I'msogratefultomyparentsallthattheyhavedone.Beingtolerantofotherpeople'smistakesarethebestwaytosolveproblems.Yourkindactwillbegreatlyappreciating.Betolerantofothersothattheywillbetolerantinturn.
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根据短文内容从短文后的选项中选出能填入空白处的最佳选项.选项中有两项为多余选项. Manyofusfeelsleepyinwinterbutotherspeciesoftentakeitastepfurtherandhibernate冬眠.36Thebodyslowsdownandbreathingtemperatureandmetabolicandheartratealldecrease.Dormice睡鼠headundergroundandhedgehogs刺猬hunkerdownintheirnests. Hibernationseemstodothemgood.Buthumancannotbeddownforlongperiods.37Toworkoutwhywedonotfirstweneedtofindoutwhyanimalsdo.Themostobviousreasonforhibernatingistoavoidthecold.Conditionsareharshandthereislittlefoodtoeatasfewerplantsaregrowing.38Thentheyliveoffbody﹣fatreservesuntilit'stimetowakeup. Buta2015studyofdormicefoundthattheycontinuedhibernatingevenwhencoldconditionshadended.39Thekeyissueseemedtobeconnectedwiththeirmainfoodbeechtrees.Thedormiceneedtheirseedstoreproduceorforthebabydormicetogainenoughbodyfat.Inaharvestyeartheyproduceplentyofseeds.Somehowthedormicecouldpredictit.Otherwisetheystopreproductiontheseyearsandincreasetheirsurvivalbystayingunderground. 40Bystayingoutofsightthedormiceavoidedbeinghuntedbytheirpredators天敌likeowls.Untilrecentlypeoplethoughthibernationwasjustaboutenergysavingadefenseagainstcoldweatherandfoodshortageandnowwethinkit'smorepredatoravoidance.Thesurvivalratesinhibernationarecloseto100%. A.Soobviouslythereareotherreasons. B.Theywerehibernatingundergroundtosaveenergy. C.Hibernationisanextendedperiodofenergy﹣savingstate. D.Allkindsofanimalshibernatefrominsectstobirdsandprimates. E.Whyifitissobeneficialdowenothibernate? F.Thedormicehadanotherreasontostayunderground. G.Somanyanimalsfattenthemselvesupduringsummer.
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Televisionhasturned88yearsoldonSeptember72015andithasneverlookedbetter.Initsyouthtelevisionwasapieceoffurniturewithatinyroundscreenshowingunclearpicturesoflowbudgetprograms.Inspiteofitsshortcomingsitbecamewell﹣received.Between1950and1963thenumberofAmericanfamilieswithatelevisionjumpedfrom9%to92%ofthepopulation. Astheaudiencegotlargerthetechnologygotbetter.Televisionsetsbecamemorereliablethroughthe1960s.Bothofthereceptionandthepictureimproved.Themajornetworksstartedbroadcastingprogramsincolor. EvengreaterimprovementswerecomingaccordingtoSanfordBrownwhowroteanarticleforthePostin1967.Surprisinglyjustabouteverypredictionhemadeinthearticlebecameareality.ForexampleAllsetsinthenotdistantfuturewillbecolorinstruments.HealsopredictedthatTVsetswouldbecomesmallersimplermorereliableandlessexpensiveandmayforeverputtheTVrepairmanoutofwork.Smallersetsdonotofcoursemeansmallerscreens.TVengineersexpectscreenstogetmuchbigger.Howevertoday's3DTVisevenfartherawayifit'scomingatall.Thereissomedoubtwhetherthepublicwouldbeeagertopayforitinviewofpeople'scoldreceptiongivento3Dmovies. ButthetechnologywiththegreatestpotentialaccordingtoBrownwascabletelevision有线电视whichwasstillinitsearlystagesthen.Ashepredictedthefutureofcabletelevisionwashighlyinteractive.Itwasn'tcabletelevisionthatgaveAmericanstheirelectronicconnectiontotheworldhowever.ItwastheInternet.Heevenforesawthefutureofficeusingpicturephonesbigscreentelevisionsforconferencesandcomputersprovidinginformationatthetouchofabutton. BrowneversaidThefutureoftelevisionisnolongeraquestionofwhatwecaninvent.It'saquestionofwhatwewant. 1Whatcanweinferabouttelevisionsetsinthe1960s? A.TheywereverypopularwithAmericans. B.Thereceptionshowednoimprovement C.Theyshowedblack﹣and﹣whitepictures D.Theywereoutofordernowandthen 2WhichofthefollowingsdidSanfordBrownfailtopredict? A.Television'sgoodquality. B.Theinventionof3﹣DTV. C.Thefutureoffice'smodel D.ThepotentialofcableTV. 3Whatisthetextmainlyabout? A.Theshortcomingsoftelevision. B.Thebrightfutureoftelevision. C.Thedevelopmentoftelevision. D.Theinventionoftelevision.
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假定你是李华本周你去拜访了你校的交换生Mike两次可是他都不在家请根据以下要点给他写一个留言条 1你因家庭聚会周日不能参加郊游 2你邀请他两周后参加自己的生日聚会有人去接会提前给他电话. 注意1词数100左右 2可以适当增加细节以使行文连贯 3开头和结尾已为你写好但不计入总词数. DearMike Icalledonyoutwicethisweekbutyouwereout. Yours LiHua.
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TheWorldHealthOrganizationWHOsaidthatprocessedmeatmayleadtocancer.Doyoustilldareeatcancer﹣linkedprocessedmeat?Herearesomecommentsonthewebsite. BillAustraliaI'dratherliveashortpleasantlifethanalongunhappyonedenying拒绝给予myselftastyfoodjustbecausesomeexpertssayit'snothealthy.Weshouldallenjoytheonelifewehave﹣ifIhadlistenedtoeverypieceofhealthadviceIwouldnevergoanywhereeatanythingorenjoylifeinanyway.SoIwon'tchangemyhabit.IamgoingtohaveabaconsandwichglassofwineburgercanofcokewheneverIfeellikeit. TimAmericaIsmeatreallyasbadassmoking?Idon'tthinkso.AccordingtotheWHO34000peopledieworldwideperyearbecausetheyeatprocessedmeat.In20128.2millionpeoplediedofcancerworldwide.Thatmeansifyoueatalotofprocessedmeatyouhaveachanceofbeingamongthe0.41percentofpeopledyingofcancerbecauseofprocessedmeat.I'lltakethechance. HelenSwitzerlandTheWHOdoesn'tsaythatjustonebiteofmeatcausescanceritisrathersayingthatpeopleshouldvarytheirdiet.Peoplewhoeatmoremeatoftenhaveotherunhealthyhabits.Theyusuallyeatfewerfruitsandvegetablesandtheyalsooftenexerciseless. VanChinaPerhapsthisreportwillmakepeopleconsiderbecomingvegetarians素食者.Soforyourhealththeenvironmentandfuturegenerationsitisnotdifficultitjustneedsachangeofattitude.Thereisavastvarietyofotherdeliciousfoodavailabletoenjoy. 21.WhatifBillhastochangehishabit? A.He'llbecomeavegetarian. B.He'llliveapleasantlife. C.He'llfeelunhappy. D.He'llgoonadiet. 22.WhatdoesTimthinkabouteatingprocessedmeat? A.Veryunhealthy. B.Quitesafe. C.Fullofrisks. D.Notworthwhile. 23.WhatmaybeHelen'sresponsetoWHO'swarning? A.Caringlittleaboutit. B.Eatingwhatevershelikes. C.Varyingthedietanddoingexercise. D.Takingadietwithoutmeat. 24.Whohavethemostsimilarviewpoints? A.BillandTim. B.TimandHelen. C.HelenandVan. D.BillandVan.
OneafternoonI'dbeendrivingdownthefreewaywhenIspottedwhatlookedlikeastalled熄火的car.I41thatothercarshadslowedinordertobrieflylookatthestalledcar.Idecidedto42behindthecarandfindoutwhatwasgoingon.Suddenlyan43womanstepsoutandsheappearstobeinpain.IapproachedthewomanaskingifIcan44.ShesaidPleasecallmyhusband.Iamtryingtogettothe45.Iamabouttogivebirth!46asIwasIsaidWehaveno47forthat.Quick!GetinmycarandIwill48you. Itriedtodrivebothquicklyandsteadily49mypassengerwouldnotmovearoundalot.Ialsotriedofferinga50talkonthewaylikeEverything'sgoingtobeok.andWe'realmostthere.51wemetnoobstacleallthewayandarrivedatthehospitalinnotime.Itseemedabit52toanswerthestaff'squestionsabouthersincewe'djustmetafewminutesbeforeandIknew53aboutheroutsideofhername. 15minuteslaterher54cameoutofbreath.Uponseeingmehethankedmeandhandedmea$100bill.AtthatmomentI'd55theSMILEcardinmyglovebox.Iwalkedoutand56withittotheroomwherethewomanhadbeensettled.ItoldherthatithappenedthatIhadsomething57happentomewhenmysecondchildwasbornandwehadagoodlaughoverthe58. OnthewayoutI'daskeda59togivethecoupleanenvelopewiththeSMILEcard.Its60includedthe$100billwithanotethatreadBaby'scollegefund.Whew!Whataday. 41.A.expected B.noticed C.admitted D.knew 42.A.pullup B.pullin C.speedup D.joinin 43.A.lazy B.single C.injured D.pregnant 44.A.help B.stop C.leave D.pass 45.A.office B.car C.hospital D.store 46.A.Excited B.Puzzled C.Shocked D.Disappointed 47.A.excuse B.time C.need D.money 48.A.treat B.call C.send D.take 49.A.incase B.sothat C.evenif D.asthough 50.A.positive B.direct C.ridiculous D.negative 51.A.Naturally B.Undoubtedly C.Eventually D.Fortunately 52.A.complex B.vital C.difficult D.easy 53.A.nothing B.everything C.something D.anything 54.A.friend B.husband C.mother D.child 55.A.bought B.made C.forgotten D.remembered 56.A.posted B.designed C.returned D.brought 57.A.controversial B.crazy C.strange D.similar 58.A.child B.disaster C.story D.news 59.A.assistant B.nurse C.waitress D.policeman 60.A.objects B.projects C.themes D.contents
成都到重庆的实际距离大约为340千米在一幅比例尺为12000000的地图上量得的图上距离是厘米．
至少用个完全相同的直角三角形可以拼成一个长方形至少用个同样的等边三角形可以拼成一个梯形．
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