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求函数f(x) =x3-3x的极值。
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中学教师招聘考试《问答》真题及答案
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Nowsatellitesarehelpingtoforecasttheweather.Theyareinspaceandtheycanreachanypartoftheworld.Thesatellitestakepicturesoftheatmospherebecausethisiswheretheweatherform.Theysendthesepicturestotheweatherstations.Someteorologistscanseetheweatherofanypartoftheworld.Fromthepicturesthescientistscanoftensayhowtheweatherwillchange. Todaynearlyfivehundredweatherstationsinsixtycountriesreceivesatellitepictures.Whentheyreceivenewpicturesthemeteorologistscomparethemwithearlierones.Perhapstheymayfindthatthecloudshavechangedduringthelastfewhours.Thismaymeanthattheweatheronthegroundmaysoonchangetoo.Intheirnextweatherforecastthemeteorologistscansaythis. Sotheweathersatellitesareagreathelptothemeteorologists.Beforesatelliteswereinventedthescientistscouldforecasttheweatherforabout24or48hours.Nowtheycanmakegoodforecastsforthreeorfivedays.Soonperhapstheymaybeabletoforecasttheweatherforaweekormoreahead. Satellitestravel.
Wearesurethatscientistswillawaytosolvethedifficultproblem.
课题第4课__皇权的不断加强本课由三个子目构成一是三省六部制的确立及其演变教材内容主要介绍从秦汉到隋唐再到宋元时期中央机构的设置及其演变过程二是明朝中央机构的设置及变化教材内容主要介绍了朱元璋废除丞相制度内阁的设立等三是明朝的内阁和清朝的军机处教材内容主要介绍清朝军机处的设置过程及主要意义教材最后总结了中国古代中央集权制度发展演变的特点和规律——高中历史新课程岳麓版教材历史必修I政治史第一单元中国古代的中央集权制度根据上述材料设计__皇权的不断加强一课的教学方案提纲
ItzhakPerlmanwasborninIsrael.Buthismusichasmadehimacitizenoftheworld.Hehasplayedin16everylargecity.HehaswonfifteenGrammyAwardsandfourEmmys. Perlmansufferedaterriblediseasewhichhurthis17atfour.Todayheusesawheelchairorwalkswithcrutches拐杖.Butnoneofthese18himfromplayingtheviolin.AsayoungchildhetookhisfirstlessonsattheMusicAcademyofTelAviv.Veryquicklyhis16talentwasrecognized.AttheageofthirteenhewenttotheUnitedStatesto20ontelevision.HisplayingledhimtotheJuilliardSchoolinNewYork. Hismusicisfullofpowerandstrength.Itcanbe21orjoyfulloudorsoft.Butpeoplesayitisnotthemusic22thatmakeshisplayingsoparticular.Theysayheisabletoshowthejoyhe23inplayingandthefeelingsthatgreatmusiccanexpress. Anyonewhohasattended出席hisperformancewilltellyouitisexcitingtowatchhimplay.Hisfacechanges24themusicfromhisviolinchanges.Hesmilesandcloseshiseyeswhenthemusicislightandhappy.Heoften25darkwhenthemusicseemsdarkandfrightening. ItzhakPerlmanhasreceivedmanyhonoursandcontinuestoreceivehonoursforhismusic. 18.
Nowsatellitesarehelpingtoforecasttheweather.Theyareinspaceandtheycanreachanypartoftheworld.Thesatellitestakepicturesoftheatmospherebecausethisiswheretheweatherform.Theysendthesepicturestotheweatherstations.Someteorologistscanseetheweatherofanypartoftheworld.Fromthepicturesthescientistscanoftensayhowtheweatherwillchange. Todaynearlyfivehundredweatherstationsinsixtycountriesreceivesatellitepictures.Whentheyreceivenewpicturesthemeteorologistscomparethemwithearlierones.Perhapstheymayfindthatthecloudshavechangedduringthelastfewhours.Thismaymeanthattheweatheronthegroundmaysoonchangetoo.Intheirnextweatherforecastthemeteorologistscansaythis. Sotheweathersatellitesareagreathelptothemeteorologists.Beforesatelliteswereinventedthescientistscouldforecasttheweatherforabout24or48hours.Nowtheycanmakegoodforecastsforthreeorfivedays.Soonperhapstheymaybeabletoforecasttheweatherforaweekormoreahead. Themainideaofthispassageisthatsatellitesarenowusedin.
目前制约和规范我国高中历史教学活动的纲领性文件是______
人生自古谁无死留取丹心照汗青这一永垂千古的咏志名句出自于南宋末年投笔从戎的抗元英雄______
InEnglandrecentlythreeforeigngentlemencametoabusstopandwaited.Aboutfiveminuteslaterthebustheywantedcamealong.Theywerejustgoingtogetonwhensuddenlytherewasaloudnoisebehindthem.Peoplerushedontothebusandtriedtopushthemoutoftheway.Someoneshoutedatthem.Thebusconductorcamerushingdownthestairstoseewhatallthetroublewasabout.Thethreeforeignersseemallatseaandlookedembarrassed窘迫的.NoonehadtoldthemabouttheBritishcustom习惯ofliningupforabusthatthefirstpersonwhoarrivesatthebusstopisthefirstpersontogetonthebus. Learningthelanguageofacountryisn’tenough.Ifyouwanttohaveapleasantvisitfindoutasmuchaspossibleaboutthemannersandcustomsofyourhostcountry.Youwillprobablybesurprisedjusthowdifferenttheycanbefromyourown.AvisitortoIndiawoulddowelltorememberthatpeoplethereconsideritimpolitetousethelefthandforpassingfoodattable.Thelefthandissupposedtobeusedforwashingyourself.AlsoinIndiayoumightseeamanshakinghisheadatanothertoshowthathedoesn’tagree.ButinmanypartsofIndiaashakeoftheheadmeansagreement.Nodding点头yourheadwhenyouaregivenadrinkinBulgariawillmostprobablyleaveyouthirsty. Inthatcountryyoushakeyourheadtomean"yes"—anodmeans"no".AtamealincountriesontheArabicPeninsulayouwillfindthatyourglassisrepeatedrefilledassoonasyoudrinkup.Ifyouthinkthatyouhavehadenoughyoushouldtakethecuporglassesinyourhandandgiveitalittleshakefromsidetosideorplaceyourhandoverthetop. InEuropeitisquiteusualtocrossyourlegswhenyouaresittingtalkingtosomeoneevenatanimportantmeeting.DoingthisinThailandhowevercouldbringabouttrouble.Alsoyoushouldtrytoavoid避免touchingtheheadofanadult成人—it’sjustnotdoneinThailand. Accordingtothearticleifyouwanttohaveapleasantjourneyinaforeigncountryyoushould.
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DoanimalshaveacultureWhatdowemeanby"culture"Latelysocialscientistshavebeguntoaskifcultureisfoundjustinhumansorifsomeanimalshaveaculturetoo.Whenwespeakofculturewemeanawayoflifeagroupofpeoplehaveincommon.Cultureincludesthebeliefsandattitudeswelearn.Itisthepatternsofbehaviorthathelppeopletolivetogether.Itisalsothepatternsofbehaviorthatmakeonegroupofpeopledifferentfromanother. Ourcultureletsusmakeupforhavinglostoutstrengthclawslongteethandotherdefenses.Insteadweusetoolscooperatewithoneanotherandcommunicatewithlanguage.Buttheseaspectsofhumanbehavioror"culture"canalsobefoundinthelivesofcertainanimals.Animalscanmaketoolsforexample.Weusedtothinkthattheabilitytousetoolswasthedividinglinebetweenhumanbeingsandotheranimals.Latelyhoweverwehavefoundthatthisisnotthecase.Chimpanzees黑猩猩cannotonlyusetoolsbutactuallymaketoolsthemselves.Animalscanalsoshareknowledgewitheachotherandusetheirownlanguagetocommunicate.Soitmaybeimportantforustoknowthatthelinedividingusfromanimalsisnotasclearasweusedtothink. Choosethestatementthatbestexpressesthemainidea.
I’vefoundsomepicturesofthemostinterestingplacesyoucanvisitduringthewinterholidays.
InEnglandrecentlythreeforeigngentlemencametoabusstopandwaited.Aboutfiveminuteslaterthebustheywantedcamealong.Theywerejustgoingtogetonwhensuddenlytherewasaloudnoisebehindthem.Peoplerushedontothebusandtriedtopushthemoutoftheway.Someoneshoutedatthem.Thebusconductorcamerushingdownthestairstoseewhatallthetroublewasabout.Thethreeforeignersseemallatseaandlookedembarrassed窘迫的.NoonehadtoldthemabouttheBritishcustom习惯ofliningupforabusthatthefirstpersonwhoarrivesatthebusstopisthefirstpersontogetonthebus. Learningthelanguageofacountryisn’tenough.Ifyouwanttohaveapleasantvisitfindoutasmuchaspossibleaboutthemannersandcustomsofyourhostcountry.Youwillprobablybesurprisedjusthowdifferenttheycanbefromyourown.AvisitortoIndiawoulddowelltorememberthatpeoplethereconsideritimpolitetousethelefthandforpassingfoodattable.Thelefthandissupposedtobeusedforwashingyourself.AlsoinIndiayoumightseeamanshakinghisheadatanothertoshowthathedoesn’tagree.ButinmanypartsofIndiaashakeoftheheadmeansagreement.Nodding点头yourheadwhenyouaregivenadrinkinBulgariawillmostprobablyleaveyouthirsty. Inthatcountryyoushakeyourheadtomean"yes"—anodmeans"no".AtamealincountriesontheArabicPeninsulayouwillfindthatyourglassisrepeatedrefilledassoonasyoudrinkup.Ifyouthinkthatyouhavehadenoughyoushouldtakethecuporglassesinyourhandandgiveitalittleshakefromsidetosideorplaceyourhandoverthetop. InEuropeitisquiteusualtocrossyourlegswhenyouaresittingtalkingtosomeoneevenatanimportantmeeting.DoingthisinThailandhowevercouldbringabouttrouble.Alsoyoushouldtrytoavoid避免touchingtheheadofanadult成人—it’sjustnotdoneinThailand. Tocrossone’slegsatanimportantmeetinginEuropeis.
EinsteinthefamousscientistwasbornMarch1879.
第二次世界大战后确立了美国主导下的国际经济新秩序这个新秩序形成的标志是______
ItzhakPerlmanwasborninIsrael.Buthismusichasmadehimacitizenoftheworld.Hehasplayedin16everylargecity.HehaswonfifteenGrammyAwardsandfourEmmys. Perlmansufferedaterriblediseasewhichhurthis17atfour.Todayheusesawheelchairorwalkswithcrutches拐杖.Butnoneofthese18himfromplayingtheviolin.AsayoungchildhetookhisfirstlessonsattheMusicAcademyofTelAviv.Veryquicklyhis16talentwasrecognized.AttheageofthirteenhewenttotheUnitedStatesto20ontelevision.HisplayingledhimtotheJuilliardSchoolinNewYork. Hismusicisfullofpowerandstrength.Itcanbe21orjoyfulloudorsoft.Butpeoplesayitisnotthemusic22thatmakeshisplayingsoparticular.Theysayheisabletoshowthejoyhe23inplayingandthefeelingsthatgreatmusiccanexpress. Anyonewhohasattended出席hisperformancewilltellyouitisexcitingtowatchhimplay.Hisfacechanges24themusicfromhisviolinchanges.Hesmilesandcloseshiseyeswhenthemusicislightandhappy.Heoften25darkwhenthemusicseemsdarkandfrightening. ItzhakPerlmanhasreceivedmanyhonoursandcontinuestoreceivehonoursforhismusic. 22.
多媒体是现代高中历史教学中最常用的技术手段但过度使用多媒体反而影响教学效果一节课是否选择使用多媒体教学最主要是看______
Isthisthefarmyouvisitedlastweek
ItzhakPerlmanwasborninIsrael.Buthismusichasmadehimacitizenoftheworld.Hehasplayedin16everylargecity.HehaswonfifteenGrammyAwardsandfourEmmys. Perlmansufferedaterriblediseasewhichhurthis17atfour.Todayheusesawheelchairorwalkswithcrutches拐杖.Butnoneofthese18himfromplayingtheviolin.AsayoungchildhetookhisfirstlessonsattheMusicAcademyofTelAviv.Veryquicklyhis16talentwasrecognized.AttheageofthirteenhewenttotheUnitedStatesto20ontelevision.HisplayingledhimtotheJuilliardSchoolinNewYork. Hismusicisfullofpowerandstrength.Itcanbe21orjoyfulloudorsoft.Butpeoplesayitisnotthemusic22thatmakeshisplayingsoparticular.Theysayheisabletoshowthejoyhe23inplayingandthefeelingsthatgreatmusiccanexpress. Anyonewhohasattended出席hisperformancewilltellyouitisexcitingtowatchhimplay.Hisfacechanges24themusicfromhisviolinchanges.Hesmilesandcloseshiseyeswhenthemusicislightandhappy.Heoften25darkwhenthemusicseemsdarkandfrightening. ItzhakPerlmanhasreceivedmanyhonoursandcontinuestoreceivehonoursforhismusic. 24.
—Ihaven’tgotthereferencebookyetbutI’llhaveatestonthesubjectnextmonth.<br> —Don’tworry.YouhaveitbyFriday.
ItzhakPerlmanwasborninIsrael.Buthismusichasmadehimacitizenoftheworld.Hehasplayedin16everylargecity.HehaswonfifteenGrammyAwardsandfourEmmys. Perlmansufferedaterriblediseasewhichhurthis17atfour.Todayheusesawheelchairorwalkswithcrutches拐杖.Butnoneofthese18himfromplayingtheviolin.AsayoungchildhetookhisfirstlessonsattheMusicAcademyofTelAviv.Veryquicklyhis16talentwasrecognized.AttheageofthirteenhewenttotheUnitedStatesto20ontelevision.HisplayingledhimtotheJuilliardSchoolinNewYork. Hismusicisfullofpowerandstrength.Itcanbe21orjoyfulloudorsoft.Butpeoplesayitisnotthemusic22thatmakeshisplayingsoparticular.Theysayheisabletoshowthejoyhe23inplayingandthefeelingsthatgreatmusiccanexpress. Anyonewhohasattended出席hisperformancewilltellyouitisexcitingtowatchhimplay.Hisfacechanges24themusicfromhisviolinchanges.Hesmilesandcloseshiseyeswhenthemusicislightandhappy.Heoften25darkwhenthemusicseemsdarkandfrightening. ItzhakPerlmanhasreceivedmanyhonoursandcontinuestoreceivehonoursforhismusic. 20.
ItzhakPerlmanwasborninIsrael.Buthismusichasmadehimacitizenoftheworld.Hehasplayedin16everylargecity.HehaswonfifteenGrammyAwardsandfourEmmys. Perlmansufferedaterriblediseasewhichhurthis17atfour.Todayheusesawheelchairorwalkswithcrutches拐杖.Butnoneofthese18himfromplayingtheviolin.AsayoungchildhetookhisfirstlessonsattheMusicAcademyofTelAviv.Veryquicklyhis16talentwasrecognized.AttheageofthirteenhewenttotheUnitedStatesto20ontelevision.HisplayingledhimtotheJuilliardSchoolinNewYork. Hismusicisfullofpowerandstrength.Itcanbe21orjoyfulloudorsoft.Butpeoplesayitisnotthemusic22thatmakeshisplayingsoparticular.Theysayheisabletoshowthejoyhe23inplayingandthefeelingsthatgreatmusiccanexpress. Anyonewhohasattended出席hisperformancewilltellyouitisexcitingtowatchhimplay.Hisfacechanges24themusicfromhisviolinchanges.Hesmilesandcloseshiseyeswhenthemusicislightandhappy.Heoften25darkwhenthemusicseemsdarkandfrightening. ItzhakPerlmanhasreceivedmanyhonoursandcontinuestoreceivehonoursforhismusic. 16.
阅读材料回答相关问题材料一公元1500年前后当西方进行海外扩张时这种传统的地区自治便开始让位于全球统一由于欧洲人在这一全球历史运动中处于领先地位所以正是他们支配了这个刚刚联成一体的世界到19世纪他们以其强大的帝国和股份公司在政治上和经济上控制了全球这种西方的霸权在19世纪时不仅欧洲人而且非欧洲人都认为是理所当然在人们看来西方的优势地位几乎是天经地义是由上帝安排的——全球通史材料二中国在鸦片战争以前完全是一个封建国家经济上自给自足政治上君主__鸦片战争后资本主义列强东来它们既是强盗也是先生侵略中国的同时也给中国带来了西方的先进文化其中包括近代科学技术近代资本主义经济形式和资产阶级的民主自由价值观——历史学科专题讲座根据材料一和所学知识概述19世纪西方的优势地位表现在哪些方面
到了20世纪昔日显赫一时的奥匈帝国德意志帝国大英帝国大日本帝国等帝国不断衰落并渐次消失这说明______
DoanimalshaveacultureWhatdowemeanby"culture"Latelysocialscientistshavebeguntoaskifcultureisfoundjustinhumansorifsomeanimalshaveaculturetoo.Whenwespeakofculturewemeanawayoflifeagroupofpeoplehaveincommon.Cultureincludesthebeliefsandattitudeswelearn.Itisthepatternsofbehaviorthathelppeopletolivetogether.Itisalsothepatternsofbehaviorthatmakeonegroupofpeopledifferentfromanother. Ourcultureletsusmakeupforhavinglostoutstrengthclawslongteethandotherdefenses.Insteadweusetoolscooperatewithoneanotherandcommunicatewithlanguage.Buttheseaspectsofhumanbehavioror"culture"canalsobefoundinthelivesofcertainanimals.Animalscanmaketoolsforexample.Weusedtothinkthattheabilitytousetoolswasthedividinglinebetweenhumanbeingsandotheranimals.Latelyhoweverwehavefoundthatthisisnotthecase.Chimpanzees黑猩猩cannotonlyusetoolsbutactuallymaketoolsthemselves.Animalscanalsoshareknowledgewitheachotherandusetheirownlanguagetocommunicate.Soitmaybeimportantforustoknowthatthelinedividingusfromanimalsisnotasclearasweusedtothink. Achimpanzee’suseoftoolsmeans.
19世纪末欧洲列强之间的矛盾尖锐复杂形成三国同盟和三国协约两大对立的军事集团出现这种状况的根本原因是______
苏联总统戈尔巴乔夫在1991年12月25日发表的辞职演说中说我们什么都多土地石油和天然气及其他自然资源智慧和才能也都不错我们的生活却比发达国家差得多越来越落在他们的后面造成苏联经济长期落后的主要原因是______
DoanimalshaveacultureWhatdowemeanby"culture"Latelysocialscientistshavebeguntoaskifcultureisfoundjustinhumansorifsomeanimalshaveaculturetoo.Whenwespeakofculturewemeanawayoflifeagroupofpeoplehaveincommon.Cultureincludesthebeliefsandattitudeswelearn.Itisthepatternsofbehaviorthathelppeopletolivetogether.Itisalsothepatternsofbehaviorthatmakeonegroupofpeopledifferentfromanother. Ourcultureletsusmakeupforhavinglostoutstrengthclawslongteethandotherdefenses.Insteadweusetoolscooperatewithoneanotherandcommunicatewithlanguage.Buttheseaspectsofhumanbehavioror"culture"canalsobefoundinthelivesofcertainanimals.Animalscanmaketoolsforexample.Weusedtothinkthattheabilitytousetoolswasthedividinglinebetweenhumanbeingsandotheranimals.Latelyhoweverwehavefoundthatthisisnotthecase.Chimpanzees黑猩猩cannotonlyusetoolsbutactuallymaketoolsthemselves.Animalscanalsoshareknowledgewitheachotherandusetheirownlanguagetocommunicate.Soitmaybeimportantforustoknowthatthelinedividingusfromanimalsisnotasclearasweusedtothink. ThefirstsentenceofthesecondparagraphOurcultureletsusmakeupforhavinglostourstrengthclawslongteethandotherdefensesmeans.
Becauseoftheheavytrafficitwasalreadytimeforlunchbreakshegottoheroffice.
历史学家德·阿宁在谈到十月革命时认为还是可以很有把握地说布尔什维克革命的完成首先有赖于列宁的百折不挠的狂热和托洛茨基的恶意煽动如果没有科尔尼洛夫及其将领们的发难也就不会有十月革命他想要说明的是______
Nowsatellitesarehelpingtoforecasttheweather.Theyareinspaceandtheycanreachanypartoftheworld.Thesatellitestakepicturesoftheatmospherebecausethisiswheretheweatherform.Theysendthesepicturestotheweatherstations.Someteorologistscanseetheweatherofanypartoftheworld.Fromthepicturesthescientistscanoftensayhowtheweatherwillchange. Todaynearlyfivehundredweatherstationsinsixtycountriesreceivesatellitepictures.Whentheyreceivenewpicturesthemeteorologistscomparethemwithearlierones.Perhapstheymayfindthatthecloudshavechangedduringthelastfewhours.Thismaymeanthattheweatheronthegroundmaysoonchangetoo.Intheirnextweatherforecastthemeteorologistscansaythis. Sotheweathersatellitesareagreathelptothemeteorologists.Beforesatelliteswereinventedthescientistscouldforecasttheweatherforabout24or48hours.Nowtheycanmakegoodforecastsforthreeorfivedays.Soonperhapstheymaybeabletoforecasttheweatherforaweekormoreahead. Meteorologistsforecasttheweather.
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