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椭圆的准线方程是（）
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已知椭圆F为其左焦点离心率为e．若抛物线y2=8x的准线经过F点椭圆C经过点P23求此椭圆的方程．
已知椭圆的中心为坐标原点短轴长为2一条准线方程为l.⑴求椭圆的标准方程⑵设O.为坐标原点F.是椭圆的
已知椭圆的中心在坐标原点O.焦点在x轴上椭圆的短轴端点和焦点所组成的四边形为正方形两准线间的距离为l
已知椭圆的中心在原点一个焦点是F.20且两条准线间的距离为λλ＞4.Ⅰ求椭圆的方程Ⅱ若存在过点A.1
设A.B.分别为椭圆＝1a>b>0的左右顶点椭圆长半轴的长等于焦距且直线x＝4是它的右准线.1求椭圆
已知椭圆+=1那么该椭圆的准线方程为.
以原点为顶点以椭圆C.的左准为准线的抛物线交椭圆C.的右准线交于A.B.两点则|AB|=
已知椭圆的中心在坐标原点O焦点在x轴上椭圆的短轴端点和焦点所组成的四边形为正方形两准线间的距离为4．
如图椭圆的中心为原点O已知右准线l的方程为x=4右焦点F到它的距离为2.1求椭圆的标准方程2设圆C经
抛物线的顶点在原点它的准线过椭圆:的一个焦点并与椭圆的长轴垂直已知抛物线与椭圆的一个交点为.1求抛物
椭圆的准线方程为.
已知椭圆的离心率为准线方程为求该椭圆的标准方程
已知椭圆F为其左焦点离心率为e．若抛物线y2=8x的准线经过F点椭圆C经过点P23求此椭圆的方程．
1已知椭圆的焦点在x轴上长轴长为4焦距为2求椭圆的标准方程2已知双曲线的渐近线方程为y=±x准线方程
若抛物线的焦点与椭圆的右焦点重合则该抛物线的准线方程为__________.
已知椭圆的中心在坐标原点两条准线方程为离心率为Ⅰ求椭圆的方程.Ⅱ若椭圆上存在不同两点关于直线对称求m
1双曲线的中心在原点坐标轴为对称轴一条渐近线方程右焦点F50求双曲线方程2若抛物线x=y2的准线经过
如图在平面直角坐标系xOy中椭圆C.的中心在坐标原点O.右焦点为F.若C.的右准线l的方程为x＝4离
已知椭圆的中心在原点长轴长为6一条准线方程为x=9则该椭圆的标准方程为
已知双曲线过点3－2且与椭圆4x2＋9y2＝36有相同的焦点.1求双曲线的标准方程2求以双曲线的右准
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Scienceisadominantthemeinourculture.Sinceittouchesalmosteveryfacetofourlifeeducatedpeopleneedatleastsomeacquaintancewithitsstructureandoperation.Theyshouldalsohaveanunderstandingofthesubcultureinwhichscientistsliveandthekindsofpeopletheyare.Anunderstandingofgeneralcharacteristicsofscienceaswellasspecificscientificconceptsiseasiertoattainifoneknowssomethingaboutthethingsthatexciteandfrustratethescientist.Thisbookiswrittenfortheintelligentstudentorlaypersonwhoseacquaintancewithscienceissuperficial;forthepersonwhohasbeenpresentedwithscienceasamustystorehouseofdriedfacts;forthepersonwhoseesthechiefobjectiveofscienceastheproductionofgadgets;andforthepersonwhoviewsthescientistassomesortofmagician.Thebookcanbeusedtosupplementacourseinanysciencetoaccompanyanycoursethatattemptstogiveanunderstandingofthemodernworldor—independentofanycourse—simplytoprovideabetterunderstandingofscience.Wehopethisbookwillleadreaderstoabroaderperspectiveonscientificattitudesandamorerealisticviewofwhatscienceiswhoscientistsareandwhattheydo.Itwillgivethemanawarenessandunderstandingoftherelationshipbetweenscienceandourcultureandanappreciationoftherolessciencemayplayinourculture.Inadditionreadersmaylearntoappreciatetherelationshipbetweenscientificviewsandsomeofthevaluesandphilosophiesthatarepervasiveinourculture.Wehavetriedtopresentinthisbookanaccurateandup-to-datepictureofthescientificcommunityandthepeoplewhopopulateit.Thatpopulationhasinrecentyearscometocomprisemoreandmorewomen.Thisincreasingroleofwomeninthescientificsubcultureisnotanuniqueincidentbutratherpartofthetrendevidentinallsegmentsofsocietyasmorewomenentertraditionallymale-dominatedfieldsandmakesignificantcontributions.Indiscussingthesechangesandcontributionshoweverwearefacedwithalanguagethatisimplicitlysexistonethatusesmalenounsorpronounsinreferringtounspecifiedindividuals.Tooffsetthisbuilt-inbiaswehaveadoptedthepolicyofusingpluralnounsandpronounswheneverpossibleandWhenabsolutelynecessaryalternatingheandshe.Thispolicyisfarfrombeingidealbutitisatleastanacknowledgmentoftheinadequacyofourlanguageintreatinghalfofthehumanraceequally.Wehavealsotriedtomakethebookentertainingaswellasinformative.Ourapproachisusuallyinformal.Wefeelasdomanyotherscientiststhatweshouldn’ttakeourselvestooseriously.Asthereadermayobserveweseescienceasadelightfulpastimeratherthanasagrimanddrearywaytoearnaliving.Thebookmentionedinthispassageiswrittenforreaderswho______.
EducatorsareseriouslyconcernedaboutthehighrateofdropoutsamongthedoctorofphilosophycandidatesandtheconsequentlossoftalenttoanationinneedofPhDs.Somehaveplacedthedropoutslossashighas50percent.Theextentofthelosswashoweverlargelyamatterofexpertguessing.Lastweekawell-roundedstudywaspublished.Itwasbasedon22000questionnairessenttoformergraduatestudentswhowereenrolledin24universitiesanditseemedtoshowmanypastfearstobegroundless.Thedropoutsratewasfoundtobe31percentandinmostcasesthedropoutswhilenotcompletingthePhDrequirementwentontoproductivework.Theyarenotonlydoingwellfinanciallybutaccordingtothereportarenotfarbelowtheincomelevelsofthosewhowentontocompletetheirdoctorates.DiscussingthestudylastweekDr.TuckersaidtheprojectwasinitiatedbecauseoftheconcernfrequentlyexpressedbygraduatefacultiesandadministratorsthatsomeoftheindividualswhodroppedoutofPhDprogramswerecapableofcompletingtherequirementforthedegree.AttritionatthePhDlevelisalsothoughttobeawasteofpreciousfacultytimeandadrainonuniversityresourcesalreadybeingusedtocapacity.SomepeopleexpressedtheopinionthattheshortageofhighlytrainedspecialistsandcollegeteacherscouldbereducedbypersuadingthedropoutstoreturntograduateschoolstocompletethePhD.TheresultsofourresearchDr.Tuckerconcludeddidnotsupporttheseopinions.1.Lackofmotivationwastheprincipalreasonfordroppingout:2.Mostdropoutswentasfarintheirdoctoralprogramaswasconsistentwiththeirlevelsofabilityortheirspecialities.3.Mostdropoutsarenowengagedinworkconsistentwiththeireducationandmotivation.Nearly75percentofthedropoutssaidtherewasnoacademicreasonfortheirdecisionbutthosewhomentionedtheacademicreasoncitedfailuretopassthequalifyingexaminationuncompletedresearchandfailuretopasslanguageexams.Amongthesinglemostimportantpersonalreasonsidentifiedbydropoutsfornon-completionoftheirPhDprogramlackoffinanceswasmarkedby19percent.Asanindicationofhowwellthedropoutsweredoingachartshowed2%inhumanitieswerereceiving$20000andmoreannuallywhilenoneofthePhD’swiththatbackgroundreachedthisfigure.ThePhD’sshoneinthe$7500to$15000bracketwith78%atthatlevelagainst50%forthedropouts.ThismayalsobeanindicationofthefactthattopsalariesintheacademicfieldswherethePhD’stendtorisetothehighestsalariesarestilllaggingbehindotherfields.Astothepossibilityofgettingdropoutsbackoncampustheoutlookwasglum.Themainconditionwhichwouldhavetoprevailforatleast25%ofthedropoutswhomightconsiderreturningtothegraduateschoolwouldbetoguaranteethattheywouldretaintheirpresentlevelofincomeandinsomecasestheirpresentjob.MeetingforeignlanguagerequirementsforthePhD______.
Thelawsaysthatwomenshouldhavethechanceofdoingthesamejobsasmenandearnthesameasthem.Therealityisverydifferent.Womenlosebecause25yearsaftertheEqualPayActmanyofthemstillgetpaidlessthanmen.Theylosebecausetheydolower-paidjobswhichmenjustwon’tconsider.Andtheylosebecausetheyaretheoneswhointerruptacareertohavechildren.AllthisisreportedinanindependentstudyorderedbytheGovernment’sWomen’sUnite.Thebiggestproblemisn’tequalpayinworkplacessuchasfactories.Itisasortofworkwomendo.Makealistofthelow-paidjobsthenconsiderwhodoesthem.Trynursessecretariescleanersclerksteachersinprimaryschoolsdinnerladiesandchildcarehelpers.NotalotofmenamongthatgrouparethereYetsomeofthosejobsarereallyimportant.Surelynoonewoulddenythataboutnursesandteachersforastart.SowhydowerewardthepeoplewhodothemsopoorlyTherecanbeonlyoneanswer—becausetheyarewomen.Thisisnotgoingtobeputrightovernight.ButtheGovernmentwhichemploysalotofthemandotherbosseshavetomakeastart.Itisdisgraceful可耻的thatwehavegoneintothe21stCenturybutstilltreatwomenassecond-classcitizens.WhenthewritersaysThisisnotgoingtobeputrightovernighthemeans______.
下列各组词语有两个错别字的一组是
选出下列句中加点的词古今意思不相同的一项是
EducatorsareseriouslyconcernedaboutthehighrateofdropoutsamongthedoctorofphilosophycandidatesandtheconsequentlossoftalenttoanationinneedofPhDs.Somehaveplacedthedropoutslossashighas50percent.Theextentofthelosswashoweverlargelyamatterofexpertguessing.Lastweekawell-roundedstudywaspublished.Itwasbasedon22000questionnairessenttoformergraduatestudentswhowereenrolledin24universitiesanditseemedtoshowmanypastfearstobegroundless.Thedropoutsratewasfoundtobe31percentandinmostcasesthedropoutswhilenotcompletingthePhDrequirementwentontoproductivework.Theyarenotonlydoingwellfinanciallybutaccordingtothereportarenotfarbelowtheincomelevelsofthosewhowentontocompletetheirdoctorates.DiscussingthestudylastweekDr.TuckersaidtheprojectwasinitiatedbecauseoftheconcernfrequentlyexpressedbygraduatefacultiesandadministratorsthatsomeoftheindividualswhodroppedoutofPhDprogramswerecapableofcompletingtherequirementforthedegree.AttritionatthePhDlevelisalsothoughttobeawasteofpreciousfacultytimeandadrainonuniversityresourcesalreadybeingusedtocapacity.SomepeopleexpressedtheopinionthattheshortageofhighlytrainedspecialistsandcollegeteacherscouldbereducedbypersuadingthedropoutstoreturntograduateschoolstocompletethePhD.TheresultsofourresearchDr.Tuckerconcludeddidnotsupporttheseopinions.1.Lackofmotivationwastheprincipalreasonfordroppingout:2.Mostdropoutswentasfarintheirdoctoralprogramaswasconsistentwiththeirlevelsofabilityortheirspecialities.3.Mostdropoutsarenowengagedinworkconsistentwiththeireducationandmotivation.Nearly75percentofthedropoutssaidtherewasnoacademicreasonfortheirdecisionbutthosewhomentionedtheacademicreasoncitedfailuretopassthequalifyingexaminationuncompletedresearchandfailuretopasslanguageexams.Amongthesinglemostimportantpersonalreasonsidentifiedbydropoutsfornon-completionoftheirPhDprogramlackoffinanceswasmarkedby19percent.Asanindicationofhowwellthedropoutsweredoingachartshowed2%inhumanitieswerereceiving$20000andmoreannuallywhilenoneofthePhD’swiththatbackgroundreachedthisfigure.ThePhD’sshoneinthe$7500to$15000bracketwith78%atthatlevelagainst50%forthedropouts.ThismayalsobeanindicationofthefactthattopsalariesintheacademicfieldswherethePhD’stendtorisetothehighestsalariesarestilllaggingbehindotherfields.Astothepossibilityofgettingdropoutsbackoncampustheoutlookwasglum.Themainconditionwhichwouldhavetoprevailforatleast25%ofthedropoutswhomightconsiderreturningtothegraduateschoolwouldbetoguaranteethattheywouldretaintheirpresentlevelofincomeandinsomecasestheirpresentjob.Theauthorstatesthatmanyeducatorsfeelthat______.
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Anewsetofbrainimagesshows:ReadingtheRomanalphabetsandChinesecharactersusesdifferentpartsofthebrain.TheresultsalsosuggestthatChineseschoolchildrenhavereadingproblemsinadifferentpartofthebrainusedinreadingalphabet-basedlanguages.Thisshowsthatthelearningdisorderdyslexiainabilitytoreadproperlyisnotthesameinverycultureanddoesnothaveauniversalbiologicalcause.Scientistsdescribedtheresultsasveryimportantandrevolutionary.WhiledyslexiahascertaincommonrootstheysaidtheynowhavesomeproofthatthiskindoffunctionalproblemworksdifferentlyaccordingtothedifferentdemandsthatWesternandEasternlanguagesplaceonthebrain.Dyslexiaisacommondevelopmentaldisorderinwhichpeopleofnormalintelligencehavedifficultylearningtoreadspellandmasterotherlanguageskills.Theresultssuggestthattreatingdyslexiaaroundtheworldprobablywillrequiredifferenttreatments.ReadingiscomplexsaidGuinevereEdenGeorgetownUniversityprofessor.Thisshowsweneedtobemoreopen-mindedaboutdiversetreatmentapproaches.Itsoriginsarecomplex.Thereappearstobeageneticaspecttotheillness.Italsomayresultfrombraininjurybeforebirththatchangesvisualandhearingpathwaysinthebrain.EarlierbrainscansshowthatEnglish-readingdyslexicsdon’tfunctionproperlyinaleftpartofthebrainassociatedwiththeawarenessof44soundsfromtheEnglishalphabets.HoweveraccordingtothenewstudyreadingChineseusessomedifferentpartsofthebrainlocatedintheleft-frontofthebrain.Itisassociatedwithsymbolinterpretation.UnlikealphabetlettersChinesecharactersrepresententirethoughtsandphysicalobjects.TitleDyslexiaDefinitionalearning56inwhichpeopleofaverageIQfindit57tolearntoreadandacquireotherlanguageskillsOriginsGeneticcausesorbrain58beforebirthwhichaffects59andhearingabilitiesFindingoftheearlierstudy60readingdyslexicsdon’tfunctionproperlyinaleftpartofthebrainDiscoveryofthenewstudyReadingChineseusesthe61partofthebrainConclusionReadingRomanalphabetsandreadingChinesecharactersplacedifferent62onthebrain.Dyslexiaisnotthesameinevery63anddoesnothavethesame64roots.65Dyslexianeedstobetreatedindifferentways
阅读下面一首诗按要求回答问题 裴给事宅白牡丹 裴潾 长安豪贵惜春残争赏街西紫牡丹 别有玉盘承露冷无人起就月中看 [注]唐国史补牡丹中以大红大紫为贵白色牡丹不受重视 前两句是如何写紫牡丹的这跟写白牡丹有什么关系
Anewsetofbrainimagesshows:ReadingtheRomanalphabetsandChinesecharactersusesdifferentpartsofthebrain.TheresultsalsosuggestthatChineseschoolchildrenhavereadingproblemsinadifferentpartofthebrainusedinreadingalphabet-basedlanguages.Thisshowsthatthelearningdisorderdyslexiainabilitytoreadproperlyisnotthesameinverycultureanddoesnothaveauniversalbiologicalcause.Scientistsdescribedtheresultsasveryimportantandrevolutionary.WhiledyslexiahascertaincommonrootstheysaidtheynowhavesomeproofthatthiskindoffunctionalproblemworksdifferentlyaccordingtothedifferentdemandsthatWesternandEasternlanguagesplaceonthebrain.Dyslexiaisacommondevelopmentaldisorderinwhichpeopleofnormalintelligencehavedifficultylearningtoreadspellandmasterotherlanguageskills.Theresultssuggestthattreatingdyslexiaaroundtheworldprobablywillrequiredifferenttreatments.ReadingiscomplexsaidGuinevereEdenGeorgetownUniversityprofessor.Thisshowsweneedtobemoreopen-mindedaboutdiversetreatmentapproaches.Itsoriginsarecomplex.Thereappearstobeageneticaspecttotheillness.Italsomayresultfrombraininjurybeforebirththatchangesvisualandhearingpathwaysinthebrain.EarlierbrainscansshowthatEnglish-readingdyslexicsdon’tfunctionproperlyinaleftpartofthebrainassociatedwiththeawarenessof44soundsfromtheEnglishalphabets.HoweveraccordingtothenewstudyreadingChineseusessomedifferentpartsofthebrainlocatedintheleft-frontofthebrain.Itisassociatedwithsymbolinterpretation.UnlikealphabetlettersChinesecharactersrepresententirethoughtsandphysicalobjects.TitleDyslexiaDefinitionalearning56inwhichpeopleofaverageIQfindit57tolearntoreadandacquireotherlanguageskillsOriginsGeneticcausesorbrain58beforebirthwhichaffects59andhearingabilitiesFindingoftheearlierstudy60readingdyslexicsdon’tfunctionproperlyinaleftpartofthebrainDiscoveryofthenewstudyReadingChineseusesthe61partofthebrainConclusionReadingRomanalphabetsandreadingChinesecharactersplacedifferent62onthebrain.Dyslexiaisnotthesameinevery63anddoesnothavethesame64roots.65Dyslexianeedstobetreatedindifferentways
外无期功强近之亲____________形影相吊李密陈情表
Anewsetofbrainimagesshows:ReadingtheRomanalphabetsandChinesecharactersusesdifferentpartsofthebrain.TheresultsalsosuggestthatChineseschoolchildrenhavereadingproblemsinadifferentpartofthebrainusedinreadingalphabet-basedlanguages.Thisshowsthatthelearningdisorderdyslexiainabilitytoreadproperlyisnotthesameinverycultureanddoesnothaveauniversalbiologicalcause.Scientistsdescribedtheresultsasveryimportantandrevolutionary.WhiledyslexiahascertaincommonrootstheysaidtheynowhavesomeproofthatthiskindoffunctionalproblemworksdifferentlyaccordingtothedifferentdemandsthatWesternandEasternlanguagesplaceonthebrain.Dyslexiaisacommondevelopmentaldisorderinwhichpeopleofnormalintelligencehavedifficultylearningtoreadspellandmasterotherlanguageskills.Theresultssuggestthattreatingdyslexiaaroundtheworldprobablywillrequiredifferenttreatments.ReadingiscomplexsaidGuinevereEdenGeorgetownUniversityprofessor.Thisshowsweneedtobemoreopen-mindedaboutdiversetreatmentapproaches.Itsoriginsarecomplex.Thereappearstobeageneticaspecttotheillness.Italsomayresultfrombraininjurybeforebirththatchangesvisualandhearingpathwaysinthebrain.EarlierbrainscansshowthatEnglish-readingdyslexicsdon’tfunctionproperlyinaleftpartofthebrainassociatedwiththeawarenessof44soundsfromtheEnglishalphabets.HoweveraccordingtothenewstudyreadingChineseusessomedifferentpartsofthebrainlocatedintheleft-frontofthebrain.Itisassociatedwithsymbolinterpretation.UnlikealphabetlettersChinesecharactersrepresententirethoughtsandphysicalobjects.TitleDyslexiaDefinitionalearning56inwhichpeopleofaverageIQfindit57tolearntoreadandacquireotherlanguageskillsOriginsGeneticcausesorbrain58beforebirthwhichaffects59andhearingabilitiesFindingoftheearlierstudy60readingdyslexicsdon’tfunctionproperlyinaleftpartofthebrainDiscoveryofthenewstudyReadingChineseusesthe61partofthebrainConclusionReadingRomanalphabetsandreadingChinesecharactersplacedifferent62onthebrain.Dyslexiaisnotthesameinevery63anddoesnothavethesame64roots.65Dyslexianeedstobetreatedindifferentways
Scienceisadominantthemeinourculture.Sinceittouchesalmosteveryfacetofourlifeeducatedpeopleneedatleastsomeacquaintancewithitsstructureandoperation.Theyshouldalsohaveanunderstandingofthesubcultureinwhichscientistsliveandthekindsofpeopletheyare.Anunderstandingofgeneralcharacteristicsofscienceaswellasspecificscientificconceptsiseasiertoattainifoneknowssomethingaboutthethingsthatexciteandfrustratethescientist.Thisbookiswrittenfortheintelligentstudentorlaypersonwhoseacquaintancewithscienceissuperficial;forthepersonwhohasbeenpresentedwithscienceasamustystorehouseofdriedfacts;forthepersonwhoseesthechiefobjectiveofscienceastheproductionofgadgets;andforthepersonwhoviewsthescientistassomesortofmagician.Thebookcanbeusedtosupplementacourseinanysciencetoaccompanyanycoursethatattemptstogiveanunderstandingofthemodernworldor—independentofanycourse—simplytoprovideabetterunderstandingofscience.Wehopethisbookwillleadreaderstoabroaderperspectiveonscientificattitudesandamorerealisticviewofwhatscienceiswhoscientistsareandwhattheydo.Itwillgivethemanawarenessandunderstandingoftherelationshipbetweenscienceandourcultureandanappreciationoftherolessciencemayplayinourculture.Inadditionreadersmaylearntoappreciatetherelationshipbetweenscientificviewsandsomeofthevaluesandphilosophiesthatarepervasiveinourculture.Wehavetriedtopresentinthisbookanaccurateandup-to-datepictureofthescientificcommunityandthepeoplewhopopulateit.Thatpopulationhasinrecentyearscometocomprisemoreandmorewomen.Thisincreasingroleofwomeninthescientificsubcultureisnotanuniqueincidentbutratherpartofthetrendevidentinallsegmentsofsocietyasmorewomenentertraditionallymale-dominatedfieldsandmakesignificantcontributions.Indiscussingthesechangesandcontributionshoweverwearefacedwithalanguagethatisimplicitlysexistonethatusesmalenounsorpronounsinreferringtounspecifiedindividuals.Tooffsetthisbuilt-inbiaswehaveadoptedthepolicyofusingpluralnounsandpronounswheneverpossibleandWhenabsolutelynecessaryalternatingheandshe.Thispolicyisfarfrombeingidealbutitisatleastanacknowledgmentoftheinadequacyofourlanguageintreatinghalfofthehumanraceequally.Wehavealsotriedtomakethebookentertainingaswellasinformative.Ourapproachisusuallyinformal.Wefeelasdomanyotherscientiststhatweshouldn’ttakeourselvestooseriously.Asthereadermayobserveweseescienceasadelightfulpastimeratherthanasagrimanddrearywaytoearnaliving.Thispassagemostprobablyis______.
Anewsetofbrainimagesshows:ReadingtheRomanalphabetsandChinesecharactersusesdifferentpartsofthebrain.TheresultsalsosuggestthatChineseschoolchildrenhavereadingproblemsinadifferentpartofthebrainusedinreadingalphabet-basedlanguages.Thisshowsthatthelearningdisorderdyslexiainabilitytoreadproperlyisnotthesameinverycultureanddoesnothaveauniversalbiologicalcause.Scientistsdescribedtheresultsasveryimportantandrevolutionary.WhiledyslexiahascertaincommonrootstheysaidtheynowhavesomeproofthatthiskindoffunctionalproblemworksdifferentlyaccordingtothedifferentdemandsthatWesternandEasternlanguagesplaceonthebrain.Dyslexiaisacommondevelopmentaldisorderinwhichpeopleofnormalintelligencehavedifficultylearningtoreadspellandmasterotherlanguageskills.Theresultssuggestthattreatingdyslexiaaroundtheworldprobablywillrequiredifferenttreatments.ReadingiscomplexsaidGuinevereEdenGeorgetownUniversityprofessor.Thisshowsweneedtobemoreopen-mindedaboutdiversetreatmentapproaches.Itsoriginsarecomplex.Thereappearstobeageneticaspecttotheillness.Italsomayresultfrombraininjurybeforebirththatchangesvisualandhearingpathwaysinthebrain.EarlierbrainscansshowthatEnglish-readingdyslexicsdon’tfunctionproperlyinaleftpartofthebrainassociatedwiththeawarenessof44soundsfromtheEnglishalphabets.HoweveraccordingtothenewstudyreadingChineseusessomedifferentpartsofthebrainlocatedintheleft-frontofthebrain.Itisassociatedwithsymbolinterpretation.UnlikealphabetlettersChinesecharactersrepresententirethoughtsandphysicalobjects.TitleDyslexiaDefinitionalearning56inwhichpeopleofaverageIQfindit57tolearntoreadandacquireotherlanguageskillsOriginsGeneticcausesorbrain58beforebirthwhichaffects59andhearingabilitiesFindingoftheearlierstudy60readingdyslexicsdon’tfunctionproperlyinaleftpartofthebrainDiscoveryofthenewstudyReadingChineseusesthe61partofthebrainConclusionReadingRomanalphabetsandreadingChinesecharactersplacedifferent62onthebrain.Dyslexiaisnotthesameinevery63anddoesnothavethesame64roots.65Dyslexianeedstobetreatedindifferentways
<论语十则是人教版语文七年级上册的一篇课文也是中学阶段学生较早接触的文言文下面是一位教师的课堂教学实录的片断请根据这位教师的课堂教学设计与课堂实际内容选择一个角度谈谈你对于文言文教学的看法 在正式的内容讲完之后往往要组织一些活动课它是“大语文教育”的重要一翼当年杭州二中的著名特级教师林炜彤先生曾对我说过学生最讨厌什么样的课——公开课最喜欢什么样的课——七扯八扯的课我理解所谓“七扯八扯的课”其实就是活动课就是教学内容向课外向生活的延伸由于能扩展视野满足好奇心和求知欲又没有必须完成的作业它备受学生欢迎活动课还能密切师生关系加深师生感情别忘了“亲其师”才能“信其道”我在这一课组织的活动是 1网上拜访孔子点击进入①“中国孔子”网站②孔子博物院③孔子箴言名句这些网站中有许多有趣的东西 2中央电视台“千秋史话”节目之孔子我这里有一套“千秋史话”的光盘电视往往是很有吸引力的 3探究性学习这一项最有价值我这样安排 朱熹说“读书无疑者须先教有疑有疑者却要无疑到这里方是长进”你有“疑”特别是“无疑之疑”吗在适当的时候老师提出自己准备的问题“学而时习之不亦说乎有朋自远方来不亦乐乎人不知而不愠不亦君子乎”这三句有什么内在联系可能不可能没什么联系先向学生交代这个问题是许多人不解的问题几个语文网站的“论坛”中都有人讨论这个问题可惜结论都不能让人信服你若能解决这个问题就是一种创见
EducatorsareseriouslyconcernedaboutthehighrateofdropoutsamongthedoctorofphilosophycandidatesandtheconsequentlossoftalenttoanationinneedofPhDs.Somehaveplacedthedropoutslossashighas50percent.Theextentofthelosswashoweverlargelyamatterofexpertguessing.Lastweekawell-roundedstudywaspublished.Itwasbasedon22000questionnairessenttoformergraduatestudentswhowereenrolledin24universitiesanditseemedtoshowmanypastfearstobegroundless.Thedropoutsratewasfoundtobe31percentandinmostcasesthedropoutswhilenotcompletingthePhDrequirementwentontoproductivework.Theyarenotonlydoingwellfinanciallybutaccordingtothereportarenotfarbelowtheincomelevelsofthosewhowentontocompletetheirdoctorates.DiscussingthestudylastweekDr.TuckersaidtheprojectwasinitiatedbecauseoftheconcernfrequentlyexpressedbygraduatefacultiesandadministratorsthatsomeoftheindividualswhodroppedoutofPhDprogramswerecapableofcompletingtherequirementforthedegree.AttritionatthePhDlevelisalsothoughttobeawasteofpreciousfacultytimeandadrainonuniversityresourcesalreadybeingusedtocapacity.SomepeopleexpressedtheopinionthattheshortageofhighlytrainedspecialistsandcollegeteacherscouldbereducedbypersuadingthedropoutstoreturntograduateschoolstocompletethePhD.TheresultsofourresearchDr.Tuckerconcludeddidnotsupporttheseopinions.1.Lackofmotivationwastheprincipalreasonfordroppingout:2.Mostdropoutswentasfarintheirdoctoralprogramaswasconsistentwiththeirlevelsofabilityortheirspecialities.3.Mostdropoutsarenowengagedinworkconsistentwiththeireducationandmotivation.Nearly75percentofthedropoutssaidtherewasnoacademicreasonfortheirdecisionbutthosewhomentionedtheacademicreasoncitedfailuretopassthequalifyingexaminationuncompletedresearchandfailuretopasslanguageexams.Amongthesinglemostimportantpersonalreasonsidentifiedbydropoutsfornon-completionoftheirPhDprogramlackoffinanceswasmarkedby19percent.Asanindicationofhowwellthedropoutsweredoingachartshowed2%inhumanitieswerereceiving$20000andmoreannuallywhilenoneofthePhD’swiththatbackgroundreachedthisfigure.ThePhD’sshoneinthe$7500to$15000bracketwith78%atthatlevelagainst50%forthedropouts.ThismayalsobeanindicationofthefactthattopsalariesintheacademicfieldswherethePhD’stendtorisetothehighestsalariesarestilllaggingbehindotherfields.Astothepossibilityofgettingdropoutsbackoncampustheoutlookwasglum.Themainconditionwhichwouldhavetoprevailforatleast25%ofthedropoutswhomightconsiderreturningtothegraduateschoolwouldbetoguaranteethattheywouldretaintheirpresentlevelofincomeandinsomecasestheirpresentjob.Itcanbeinferredthatthehighrateofdropoutsliesin______.
下列有关文学常识的表述不正确的一项是
请简述你对正确把握语文教育特点问题的认识
下列不属于先秦历史散文的一项是
物华天宝龙光射牛斗之墟____________王勃滕王阁序
对下列特殊句式的分析有误的一项是
Anewsetofbrainimagesshows:ReadingtheRomanalphabetsandChinesecharactersusesdifferentpartsofthebrain.TheresultsalsosuggestthatChineseschoolchildrenhavereadingproblemsinadifferentpartofthebrainusedinreadingalphabet-basedlanguages.Thisshowsthatthelearningdisorderdyslexiainabilitytoreadproperlyisnotthesameinverycultureanddoesnothaveauniversalbiologicalcause.Scientistsdescribedtheresultsasveryimportantandrevolutionary.WhiledyslexiahascertaincommonrootstheysaidtheynowhavesomeproofthatthiskindoffunctionalproblemworksdifferentlyaccordingtothedifferentdemandsthatWesternandEasternlanguagesplaceonthebrain.Dyslexiaisacommondevelopmentaldisorderinwhichpeopleofnormalintelligencehavedifficultylearningtoreadspellandmasterotherlanguageskills.Theresultssuggestthattreatingdyslexiaaroundtheworldprobablywillrequiredifferenttreatments.ReadingiscomplexsaidGuinevereEdenGeorgetownUniversityprofessor.Thisshowsweneedtobemoreopen-mindedaboutdiversetreatmentapproaches.Itsoriginsarecomplex.Thereappearstobeageneticaspecttotheillness.Italsomayresultfrombraininjurybeforebirththatchangesvisualandhearingpathwaysinthebrain.EarlierbrainscansshowthatEnglish-readingdyslexicsdon’tfunctionproperlyinaleftpartofthebrainassociatedwiththeawarenessof44soundsfromtheEnglishalphabets.HoweveraccordingtothenewstudyreadingChineseusessomedifferentpartsofthebrainlocatedintheleft-frontofthebrain.Itisassociatedwithsymbolinterpretation.UnlikealphabetlettersChinesecharactersrepresententirethoughtsandphysicalobjects.TitleDyslexiaDefinitionalearning56inwhichpeopleofaverageIQfindit57tolearntoreadandacquireotherlanguageskillsOriginsGeneticcausesorbrain58beforebirthwhichaffects59andhearingabilitiesFindingoftheearlierstudy60readingdyslexicsdon’tfunctionproperlyinaleftpartofthebrainDiscoveryofthenewstudyReadingChineseusesthe61partofthebrainConclusionReadingRomanalphabetsandreadingChinesecharactersplacedifferent62onthebrain.Dyslexiaisnotthesameinevery63anddoesnothavethesame64roots.65Dyslexianeedstobetreatedindifferentways
Thepolicefiredteargasandarrestedmorethan5000passivelyresistingprotestorsFridayinanattempttobreakupthelargestantinucleardemonstrationeverstagedintheUnitedStates.Morethan135000demonstratorsconfrontedthepoliceontheconstructionsiteofa1000-megawattnuclearpowerplantscheduledtoprovidepowertomostofsouthernNewHampshire.Organizersofthehugedemonstrationsaidthattheprotestwascontinuingdespitethepoliceactions.Moredemonstratorswerearrivingtokeepupthepressureonstateauthoritiestocanceltheproject.Thedemonstratorhadchargedthattheprojectwasunsafeinthedenselypopulatedareawouldcreatethermalpollutioninthebayandhadnoacceptablemeansfordisposingofitsradioactivewasters.Thedemonstrationswouldgoonuntilthejailsandthecourtsweresooverloadedthatthestatejudicialsystemwouldcollapse.GovernorStanforthThumperinsistedthattherewouldbenoreconsiderationofthepowerprojectandnodelayinitsconstructionsetforcompletioninthreeyears.Thisprojectwillbeginontimeandthepeopleofthisstatewillbegintoreceiveitsbenefitsonschedule.Thosewhobreakthelawinmisguidedattemptstosabotagetheprojectwillbedealtwithaccordingtothelawhesaid.Andthepolicecalledinreinforcementsfromalloverthestatetohandlethedisturbances.TheprotestsbeganbeforedawnFridaywhenseveralthousanddemonstratorsbrokethroughthepolicelinesaroundthecordoned-offconstructionsite.TheycarriedplacardsthatreadNoNukesisGoodNukesSunpowerNotNuclearPowerandStopPrivateProfitsfromPublicPeril.Theydefiedpoliceordertomovefromthearea.Teargascanistersfiredbythepolicefailedtodislodgetheprotestorswhohadbeenpreparedwiththeirowngasmasksorfacecloths.Finallythegas-maskedandhelmetedpolicechargedintothecrowdtodragoffthedemonstratorsonebyone.Theprotestorsdidnotresistthepolicebutrefusedtowalkawayundertheirownpower.Thosearrestedwouldbechargedwithunlawfulassemblytrespassinganddisturbingthepeace.Withwhomwerethejailsandcourtsoverloaded
试赏析离骚的开篇艺术 离骚 屈原 帝高阳之苗裔兮朕皇考曰伯庸 摄提贞于孟陬兮惟庚寅吾以降 皇览揆余于初度兮肇锡余以嘉名 名余日正则兮字余日灵均 纷吾既有此内美兮又重之以修能 扈江离与辟芷兮纫秋兰以为佩
______标志着中国古代文学理论和文学批评建立了完整的体系
下列各句中加点的成语使用恰当的一句是
简析神曲的艺术特征
Scienceisadominantthemeinourculture.Sinceittouchesalmosteveryfacetofourlifeeducatedpeopleneedatleastsomeacquaintancewithitsstructureandoperation.Theyshouldalsohaveanunderstandingofthesubcultureinwhichscientistsliveandthekindsofpeopletheyare.Anunderstandingofgeneralcharacteristicsofscienceaswellasspecificscientificconceptsiseasiertoattainifoneknowssomethingaboutthethingsthatexciteandfrustratethescientist.Thisbookiswrittenfortheintelligentstudentorlaypersonwhoseacquaintancewithscienceissuperficial;forthepersonwhohasbeenpresentedwithscienceasamustystorehouseofdriedfacts;forthepersonwhoseesthechiefobjectiveofscienceastheproductionofgadgets;andforthepersonwhoviewsthescientistassomesortofmagician.Thebookcanbeusedtosupplementacourseinanysciencetoaccompanyanycoursethatattemptstogiveanunderstandingofthemodernworldor—independentofanycourse—simplytoprovideabetterunderstandingofscience.Wehopethisbookwillleadreaderstoabroaderperspectiveonscientificattitudesandamorerealisticviewofwhatscienceiswhoscientistsareandwhattheydo.Itwillgivethemanawarenessandunderstandingoftherelationshipbetweenscienceandourcultureandanappreciationoftherolessciencemayplayinourculture.Inadditionreadersmaylearntoappreciatetherelationshipbetweenscientificviewsandsomeofthevaluesandphilosophiesthatarepervasiveinourculture.Wehavetriedtopresentinthisbookanaccurateandup-to-datepictureofthescientificcommunityandthepeoplewhopopulateit.Thatpopulationhasinrecentyearscometocomprisemoreandmorewomen.Thisincreasingroleofwomeninthescientificsubcultureisnotanuniqueincidentbutratherpartofthetrendevidentinallsegmentsofsocietyasmorewomenentertraditionallymale-dominatedfieldsandmakesignificantcontributions.Indiscussingthesechangesandcontributionshoweverwearefacedwithalanguagethatisimplicitlysexistonethatusesmalenounsorpronounsinreferringtounspecifiedindividuals.Tooffsetthisbuilt-inbiaswehaveadoptedthepolicyofusingpluralnounsandpronounswheneverpossibleandWhenabsolutelynecessaryalternatingheandshe.Thispolicyisfarfrombeingidealbutitisatleastanacknowledgmentoftheinadequacyofourlanguageintreatinghalfofthehumanraceequally.Wehavealsotriedtomakethebookentertainingaswellasinformative.Ourapproachisusuallyinformal.Wefeelasdomanyotherscientiststhatweshouldn’ttakeourselvestooseriously.Asthereadermayobserveweseescienceasadelightfulpastimeratherthanasagrimanddrearywaytoearnaliving.Accordingtothepassagescientificsubculturemeans______.
Thepolicefiredteargasandarrestedmorethan5000passivelyresistingprotestorsFridayinanattempttobreakupthelargestantinucleardemonstrationeverstagedintheUnitedStates.Morethan135000demonstratorsconfrontedthepoliceontheconstructionsiteofa1000-megawattnuclearpowerplantscheduledtoprovidepowertomostofsouthernNewHampshire.Organizersofthehugedemonstrationsaidthattheprotestwascontinuingdespitethepoliceactions.Moredemonstratorswerearrivingtokeepupthepressureonstateauthoritiestocanceltheproject.Thedemonstratorhadchargedthattheprojectwasunsafeinthedenselypopulatedareawouldcreatethermalpollutioninthebayandhadnoacceptablemeansfordisposingofitsradioactivewasters.Thedemonstrationswouldgoonuntilthejailsandthecourtsweresooverloadedthatthestatejudicialsystemwouldcollapse.GovernorStanforthThumperinsistedthattherewouldbenoreconsiderationofthepowerprojectandnodelayinitsconstructionsetforcompletioninthreeyears.Thisprojectwillbeginontimeandthepeopleofthisstatewillbegintoreceiveitsbenefitsonschedule.Thosewhobreakthelawinmisguidedattemptstosabotagetheprojectwillbedealtwithaccordingtothelawhesaid.Andthepolicecalledinreinforcementsfromalloverthestatetohandlethedisturbances.TheprotestsbeganbeforedawnFridaywhenseveralthousanddemonstratorsbrokethroughthepolicelinesaroundthecordoned-offconstructionsite.TheycarriedplacardsthatreadNoNukesisGoodNukesSunpowerNotNuclearPowerandStopPrivateProfitsfromPublicPeril.Theydefiedpoliceordertomovefromthearea.Teargascanistersfiredbythepolicefailedtodislodgetheprotestorswhohadbeenpreparedwiththeirowngasmasksorfacecloths.Finallythegas-maskedandhelmetedpolicechargedintothecrowdtodragoffthedemonstratorsonebyone.Theprotestorsdidnotresistthepolicebutrefusedtowalkawayundertheirownpower.Thosearrestedwouldbechargedwithunlawfulassemblytrespassinganddisturbingthepeace.Whohadgasmasks
阅读下面这首诗完成后面的题目 我爱这土地 艾青 假如我是一只鸟 我也应该用嘶哑的喉咙歌唱 这被暴风雨所打击着的土地 这永远汹涌着我们的悲愤的河流 这无止息地吹刮着的激怒的风 和那来自林间的无比温柔的黎明…… ——然后我死了 连羽毛也腐烂在土地里面 为什么我的眼里常含泪水 因为我对这土地爱得深沉…… 一九三八年十一月十七 如果要你用一课时讲授这篇课文教学对象是九年级学生请你为这堂课设计一份板书
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