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曲线，在点（1，-1）处的切线方程为（）
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曲线y=x21nx+1在点11处的切线方程
过点11作曲线y=x3的切线则切线方程为.
设曲线L位于xOy平面的第一象限内L上任意一点M处的切线与y轴总相交交点为A已知|MA|=|OA|且
设曲线L过点11L上任一点Pxy处的切线交z轴于T且|PT|=|OT|试求曲线L的方程．
曲线y＝x3lnx＋1在点11处的切线方程为________.
设函数y=fx由方程xy十2lnx=y4所确定则曲线y=fx在点11处的切线方程是______．
曲线在点11处的切线方程为.
过点P.－12且与曲线y=3x2-4x+2在点M.11处的切线平行的直线方程是__________.
曲线y=x3lnx+1在点11处的切线方程为
y=﹣4x+3
y=﹣4x﹣3
y=4x+3
y=4x﹣3
曲线在点11处的切线方程为.
已知曲线y＝x21求曲线在点P.11处的切线方程2求曲线过点P.35的切线方程.
已知曲线C.的参数方程为t为参数C.在点11处的切线为l以坐标原点为极点x轴的正半轴为极轴建立极坐标
曲线在点11处的切线方程是.
曲线在点11处的切线方程为
曲线y=x3在点11切线方程为.
过点P.－12且与曲线y=3x2－4x＋2在点M.11处的切线平行的直线方程是______.
曲线在点11处的切线方程为________
已知曲线C.的参数方程为t为参数C.在点11处的切线为l以坐标原点为极点x轴的正半轴为极轴建立极坐标
曲线y=x3在点11切线方程为.
曲线y＝在点11处的切线方程为
x－y－2＝0
x＋y－2＝0
x＋4y－5＝0
x－4y－5＝0
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B WhenIwassixDadbroughthomeadogonedaywhowascalled"Brownie".MybrothersandIalllovedBrownieanddiddifferentthingswrithher.OneofuswouldwalkheranotherwouldfeedherthentherewerebathsplayingcatchandmanyothergamesBrownieinreturnlovedeachandeveryoneofus.Onethingthatmosttouchedmyheartwasthatshewouldgotowhoeverwassickandjustbewiththemwealwaysfeltbetterwhenshewasaround. OnedayasIwasgettingherfoodshecheweduponeofDad’sshoeswhichhadtobethrownawayintheend.IknewDadwouldbemadandIhadtoletherknowwhatshedidwaswrong.WhenIlookedatherandsaid"Badgirl"shelookeddownatthegroundandthenwentandhide.Isawatearinhereyes. Brownieturnedouttobemorethanjustourfamilypetshewenteverywherewithus.Peoplewouldstopandaskiftheycouldpether.Ofcourseshe’dletanyonepether.Shewasjustthemostlovabledog.Thereweremanytimeswhenwe’dbeoutwalkingandasmallchildwouldcomeoverandpullonherhair.Sheneverbarkedortriedtogetaway.Funnythingisshewouldsmile.Thisfrightenedpeoplebecausetheythoughtshewasshowingherteeth.Farfromthetruthshelovedeveryone. NowmanyyearshavepassedsinceBrowniediedofoldage.Istillmissdayswhenshewaswithus. WhichofthefollowingbestdescribesBrownie
WhydoIwanttogotocollegeNoonehaseveraskedme 1 aquestion.ButmanytimesIhaveaskedmyself.Ihave2awholevarietyofreasons. 3importantreasonisthatIwanttobeabetterman.Manythingsmakehumanbeingsdifferent 4orbetterthanorevensuperiortoanimals.Oneofthemostimportantthingsis5.IfIfailtoreceivehighereducationmyeducation.6AsIwanttobeafully 7manImustgetawell-roundededucationwhichgoodcollegesanduniversitiesaresupposedto8.Iknowonecangeteducatedinmanywaysbutcollegesanduniversitiesare9thebestplacestoteachmehowtoeducatemyself.OnlywhenIamwell-educatedwillIbeabetterhumanbeingand10fitintosociety. 第10空应选择
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BDirections:TranslatethefollowingpassageintoChinese.Monitoryourbodylanguagetomakesureyoudon’tseemtoodesperateforthejobortooeagertoplease.Keepapokerfaceinbusinesssituations.Inappropriatesmilingisthemostcommonexampleofanonverbalbehaviorthatundercutsverbalmessages—makingyouappearweakandunassertive.Goodeyecontactisalsoimportant.Onestudyfoundthatjobapplicantswhomakemoreeyecontactareperceivedasmorealertdependableconfidentandresponsible.
ADirections:TranslatethefollowingsentencesintoEnglish.我忘了提醒他面试的时间
WhydoIwanttogotocollegeNoonehaseveraskedme 1 aquestion.ButmanytimesIhaveaskedmyself.Ihave2awholevarietyofreasons. 3importantreasonisthatIwanttobeabetterman.Manythingsmakehumanbeingsdifferent 4orbetterthanorevensuperiortoanimals.Oneofthemostimportantthingsis5.IfIfailtoreceivehighereducationmyeducation.6AsIwanttobeafully 7manImustgetawell-roundededucationwhichgoodcollegesanduniversitiesaresupposedto8.Iknowonecangeteducatedinmanywaysbutcollegesanduniversitiesare9thebestplacestoteachmehowtoeducatemyself.OnlywhenIamwell-educatedwillIbeabetterhumanbeingand10fitintosociety. 第9空应选择
B WhenIwassixDadbroughthomeadogonedaywhowascalled"Brownie".MybrothersandIalllovedBrownieanddiddifferentthingswrithher.OneofuswouldwalkheranotherwouldfeedherthentherewerebathsplayingcatchandmanyothergamesBrownieinreturnlovedeachandeveryoneofus.Onethingthatmosttouchedmyheartwasthatshewouldgotowhoeverwassickandjustbewiththemwealwaysfeltbetterwhenshewasaround. OnedayasIwasgettingherfoodshecheweduponeofDad’sshoeswhichhadtobethrownawayintheend.IknewDadwouldbemadandIhadtoletherknowwhatshedidwaswrong.WhenIlookedatherandsaid"Badgirl"shelookeddownatthegroundandthenwentandhide.Isawatearinhereyes. Brownieturnedouttobemorethanjustourfamilypetshewenteverywherewithus.Peoplewouldstopandaskiftheycouldpether.Ofcourseshe’dletanyonepether.Shewasjustthemostlovabledog.Thereweremanytimeswhenwe’dbeoutwalkingandasmallchildwouldcomeoverandpullonherhair.Sheneverbarkedortriedtogetaway.Funnythingisshewouldsmile.Thisfrightenedpeoplebecausetheythoughtshewasshowingherteeth.Farfromthetruthshelovedeveryone. NowmanyyearshavepassedsinceBrowniediedofoldage.Istillmissdayswhenshewaswithus. WhydoestheauthorsaythatBrowniewasmorethanjustafamilypet
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C WhenitcomestofriendsIdesirethosewhowillsharemyhappinesswhopossesswingsoftheirownandwhowillflywithme.Iseekfriendswhosequalitiesilluminatemeandtrainmeupforlove.ItisforthesepeoplethatIreservetheglowinghourstoogoodnottoshare. WhenIwasintheeighthgradeIhadafriend.Wewereshyand"tooserious"aboutourstudieswhenitwasbecomingfashionablewithourclassmatestolearnacceptablesocialbehaviors.WesaidlittleatschoolbutshewouldcometomyhouseandwewouldSitdownwithpencilsandpaperandoneofuswouldsay:"Let’sstartwithatrainwhistletoday."Wewouldsitquietlytogetherandwriteseparatepoemsorstoriesthatgrewoutofatrainwhistle.Thenwewouldreadthemaloud.Attheendofthatschoolyearwetoowerechangingintosocialcreaturesandthestoriesandpoemsstopped. WhenIlivedforatimeinLondonIhadafriendhewasindespairandIwasindespair.Butourfriendshipwasbasedontheideaineachofusthatwewouldbesorrylaterifwedidnotexplorethisgreatcitybecausewehadfeltbadatthetime.WemeteverySundayforfiveweeksandfoundmanyexcellentthings.Wewalkeduntilourdespairsdisappearedandthenweparted.WegaveLondontoeachother. ForalmostfouryearsIhavehadremarkablefriendwhoseimaginationilluminatesmine.Wewritelonglettersinwhichweoftendiscoverourstrangestselves.Eachofusappearssometimesinafunnywayintheother’sdreams.SheandIagreethatatcertaintimesweseemtobepartsofthesamemind.InmymostinterestingmomentsIoftenthink:"YesImusttell..."Wehavenevermet. ItissuchcomfortingcompanionsIwishtokeep.Onebrighthourwiththeirkindisworthmoretomethanthelifetimeservicesofapsychologist心理学家whowillonlyfillupthehealingsilencenecessarytothosedarkestmomentsinwhichIwouldratherbemyownbestfriend. Inparagraph3WegaveLondontoeachotherprobablymeans.
功能法是第二语言教学法的主要流派之一它是以为纲有针对性地培养学生的交际能力实行交际化英语教学过程的一种教学法
WhydoIwanttogotocollegeNoonehaseveraskedme41aquestion.ButmanytimesIhaveaskedmyself.Ihave42awholevarietyofreasons.43importantreasonisthatIwanttobeabetterman.Manythingsmakehumanbeingsdifferent44orbetterthanorevensuperiortoanimals.Oneofthemostimportantthingsis45.IfIfailtoreceivehighereducationmyeducation46.AsIwanttobeafully47manImustgetawell-roundededucationwhichgoodcollegesanduniversitiesaresupposedto48.Iknowonecangeteducatedinmanywaysbutcollegesanduniversitiesare49thebestplacestoteachmehowtoeducatemyself.OnlywhenIamwell-educatedwillIbeabetterhumanbeingand50fitintosociety. 第2空应选择
WhydoIwanttogotocollegeNoonehaseveraskedme 1 aquestion.ButmanytimesIhaveaskedmyself.Ihave2awholevarietyofreasons. 3importantreasonisthatIwanttobeabetterman.Manythingsmakehumanbeingsdifferent 4orbetterthanorevensuperiortoanimals.Oneofthemostimportantthingsis5.IfIfailtoreceivehighereducationmyeducation.6AsIwanttobeafully 7manImustgetawell-roundededucationwhichgoodcollegesanduniversitiesaresupposedto8.Iknowonecangeteducatedinmanywaysbutcollegesanduniversitiesare9thebestplacestoteachmehowtoeducatemyself.OnlywhenIamwell-educatedwillIbeabetterhumanbeingand10fitintosociety. 第6空应选择
____________无为在岐路儿女共沾巾王勃送杜少府之任蜀州
B设你在某日某时某地目击一起车祸就此写一份见证书见证书须包括以下几点1车祸发生的时间及地点2你所见到的车祸情况3你对车祸原因的分析
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D DianaJacobsthoughtherfamilyhadaworkableplantopayforcollegeforher21-year-oldtwinsons:acombinationofsavingsincomescholarshipsandamodestamountofborrowing.Thenherhusbandlosthisjobandtheplanfellapart. "IhavetwokidsincollegeandIwanttosay’comehome’butatthesametimeIwanttoprovidethemwithagoodeducation"saysJacobs. TheJacobsfamilydidworkoutasolution:Theyaskedandreceivedmoreaidformtheschoolsandeachsonincreasedhisborrowingtothemaximumamountthroughthefederalloan贷款program.Theywilleachgraduatewith$20000ofdebtbutatleasttheywillbeabletofinishschool. WithunemploymentrisingfinancialaidadministratorsexpecttohearmorefamiliesliketheJacobs.Morestudentsareapplyingforaidandmorefamiliesexpecttoneedstudentloans.Collegeadministratorsareconcernedthattheywillnothaveenoughaidmoneytogoaround. Atthesametimetuition学费continuestorise.AreportfromtheNationalCenterforPublicPolicyandHigherEducationfoundthatcollegetuitionandfeesincreased439%from1982to2007whileaveragefamilyincomerosejust147%.Studentborrowinghasmorethandoubledinthelastdecade. "Ifwegoonthiswayforanother25yearswewon’thaveanaffordablesystemofhighereducation"saysPatrickM.Callanpresidentofthecenter."Themiddleclassfamilieshavebeenfinancingitthroughdebt.Theywillsendkidstocollegewhateverittakesevenifthatmeansahugeamountofdebt." Financialaidadministratorshavebeenhavingahardtimeasmanycompaniesdecidethatstudentloansarenotprofitableenoughandhavestoppedmakingthem.Thegoodnewshoweveristhatfederalloansaccountforaboutthreequartersofstudentborrowingandthegovernmentsaysthatmoneywillflowuninterrupted. AccordingtoParagraph1whydidtheplanofJacobsfamilyfail
D DianaJacobsthoughtherfamilyhadaworkableplantopayforcollegeforher21-year-oldtwinsons:acombinationofsavingsincomescholarshipsandamodestamountofborrowing.Thenherhusbandlosthisjobandtheplanfellapart. "IhavetwokidsincollegeandIwanttosay’comehome’butatthesametimeIwanttoprovidethemwithagoodeducation"saysJacobs. TheJacobsfamilydidworkoutasolution:Theyaskedandreceivedmoreaidformtheschoolsandeachsonincreasedhisborrowingtothemaximumamountthroughthefederalloan贷款program.Theywilleachgraduatewith$20000ofdebtbutatleasttheywillbeabletofinishschool. WithunemploymentrisingfinancialaidadministratorsexpecttohearmorefamiliesliketheJacobs.Morestudentsareapplyingforaidandmorefamiliesexpecttoneedstudentloans.Collegeadministratorsareconcernedthattheywillnothaveenoughaidmoneytogoaround. Atthesametimetuition学费continuestorise.AreportfromtheNationalCenterforPublicPolicyandHigherEducationfoundthatcollegetuitionandfeesincreased439%from1982to2007whileaveragefamilyincomerosejust147%.Studentborrowinghasmorethandoubledinthelastdecade. "Ifwegoonthiswayforanother25yearswewon’thaveanaffordablesystemofhighereducation"saysPatrickM.Callanpresidentofthecenter."Themiddleclassfamilieshavebeenfinancingitthroughdebt.Theywillsendkidstocollegewhateverittakesevenifthatmeansahugeamountofdebt." Financialaidadministratorshavebeenhavingahardtimeasmanycompaniesdecidethatstudentloansarenotprofitableenoughandhavestoppedmakingthem.Thegoodnewshoweveristhatfederalloansaccountforaboutthreequartersofstudentborrowingandthegovernmentsaysthatmoneywillflowuninterrupted. Financialaidadministratorsbelievethat.
B WhenIwassixDadbroughthomeadogonedaywhowascalled"Brownie".MybrothersandIalllovedBrownieanddiddifferentthingswrithher.OneofuswouldwalkheranotherwouldfeedherthentherewerebathsplayingcatchandmanyothergamesBrownieinreturnlovedeachandeveryoneofus.Onethingthatmosttouchedmyheartwasthatshewouldgotowhoeverwassickandjustbewiththemwealwaysfeltbetterwhenshewasaround. OnedayasIwasgettingherfoodshecheweduponeofDad’sshoeswhichhadtobethrownawayintheend.IknewDadwouldbemadandIhadtoletherknowwhatshedidwaswrong.WhenIlookedatherandsaid"Badgirl"shelookeddownatthegroundandthenwentandhide.Isawatearinhereyes. Brownieturnedouttobemorethanjustourfamilypetshewenteverywherewithus.Peoplewouldstopandaskiftheycouldpether.Ofcourseshe’dletanyonepether.Shewasjustthemostlovabledog.Thereweremanytimeswhenwe’dbeoutwalkingandasmallchildwouldcomeoverandpullonherhair.Sheneverbarkedortriedtogetaway.Funnythingisshewouldsmile.Thisfrightenedpeoplebecausetheythoughtshewasshowingherteeth.Farfromthetruthshelovedeveryone. NowmanyyearshavepassedsinceBrowniediedofoldage.Istillmissdayswhenshewaswithus. WhatwouldBrowniedowhensomeonewasillinthefamily
A Sincethe1970sscientistshavebeensearchingforwaystolinkthebrainwithcomputers.Brain-computerinterfaceBCItechnologycouldhelppeoplewithdisabilitiessendcommandstomachines. RecentlytworesearchersJoseMillanandMicheleTavellafromtheFederalPolytechnicschoolinLausanneSwitzerlanddemonstrated展示asmallroboticwheelchairdirectedbyaperson’sthoughts. InthelaboratoryTavellaoperatedthewheelchairjustbythinkingaboutmovinghisleftorrightband.Hecouldeventalkashewatchedthevehicleandguideditwithhisthoughts. "Ourbrainhasbillionsofnerveceils.Thesesendsignalsthroughthespinalcord脊髓tothemusclestogiveustheabilitytomove.Butspinalcordinjuriesorotherconditionscanpreventtheseweakelectricalsignalsfromreachingthemuscles"Tavellasays."Oursystemallowsdisabledpeopletocommunicatewithexternalworldandalsotocontroldevices." Theresearchersdesignedaspecialcapfortheuser.Thisheadcoverpicksupthesignalsfromthescalp头皮andsendsthemtoacomputer.Thecomputerinterpretsthesignalsandcommandsthemotorizedwheelchair.Thewheelchairalsohastwocamerasthatidentifyobjectsinitspath.Theyhelpthecomputerreacttocommandsfromthebrain. Prof.Millantheteamleadersaysscientistskeepimprovingthecomputersoftwarethatinterpretsbrainsignalsandturnsthemintosimplecommands."ThepracticalpossibilitiesthatBCItechnologyofferstodisabledpeoplecanbegroupedintwocategories:communicationandcontrollingdevices.Oneexampleisthiswheelchair." Hesayshisteamhassettwogoals.Oneistestingwithrealpatientssoastoprovethatthisisatechnologytheycanbenefitfrom.Andtheotheristoguaranteethattheycanusethetechnologyoverlongperiodsoftime. Theteamwilltestwithrealpatientsto.
C WhenitcomestofriendsIdesirethosewhowillsharemyhappinesswhopossesswingsoftheirownandwhowillflywithme.Iseekfriendswhosequalitiesilluminatemeandtrainmeupforlove.ItisforthesepeoplethatIreservetheglowinghourstoogoodnottoshare. WhenIwasintheeighthgradeIhadafriend.Wewereshyand"tooserious"aboutourstudieswhenitwasbecomingfashionablewithourclassmatestolearnacceptablesocialbehaviors.WesaidlittleatschoolbutshewouldcometomyhouseandwewouldSitdownwithpencilsandpaperandoneofuswouldsay:"Let’sstartwithatrainwhistletoday."Wewouldsitquietlytogetherandwriteseparatepoemsorstoriesthatgrewoutofatrainwhistle.Thenwewouldreadthemaloud.Attheendofthatschoolyearwetoowerechangingintosocialcreaturesandthestoriesandpoemsstopped. WhenIlivedforatimeinLondonIhadafriendhewasindespairandIwasindespair.Butourfriendshipwasbasedontheideaineachofusthatwewouldbesorrylaterifwedidnotexplorethisgreatcitybecausewehadfeltbadatthetime.WemeteverySundayforfiveweeksandfoundmanyexcellentthings.Wewalkeduntilourdespairsdisappearedandthenweparted.WegaveLondontoeachother. ForalmostfouryearsIhavehadremarkablefriendwhoseimaginationilluminatesmine.Wewritelonglettersinwhichweoftendiscoverourstrangestselves.Eachofusappearssometimesinafunnywayintheother’sdreams.SheandIagreethatatcertaintimesweseemtobepartsofthesamemind.InmymostinterestingmomentsIoftenthink:"YesImusttell..."Wehavenevermet. ItissuchcomfortingcompanionsIwishtokeep.Onebrighthourwiththeirkindisworthmoretomethanthelifetimeservicesofapsychologist心理学家whowillonlyfillupthehealingsilencenecessarytothosedarkestmomentsinwhichIwouldratherbemyownbestfriend. Inthedarkestmomentstheauthorwouldpreferto.
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WhydoIwanttogotocollegeNoonehaseveraskedme 1 aquestion.ButmanytimesIhaveaskedmyself.Ihave2awholevarietyofreasons. 3importantreasonisthatIwanttobeabetterman.Manythingsmakehumanbeingsdifferent 4orbetterthanorevensuperiortoanimals.Oneofthemostimportantthingsis5.IfIfailtoreceivehighereducationmyeducation.6AsIwanttobeafully 7manImustgetawell-roundededucationwhichgoodcollegesanduniversitiesaresupposedto8.Iknowonecangeteducatedinmanywaysbutcollegesanduniversitiesare9thebestplacestoteachmehowtoeducatemyself.OnlywhenIamwell-educatedwillIbeabetterhumanbeingand10fitintosociety. 第4空应选择
A Directions:TranslatethefollowingsentencesintoEnglish. 无论风多大雨多急警察一直坚守在岗位上
语文能力即理解运用的能力它是以为核心的
普通话中单元音韵母共有六个分别是____________e______u______
D DianaJacobsthoughtherfamilyhadaworkableplantopayforcollegeforher21-year-oldtwinsons:acombinationofsavingsincomescholarshipsandamodestamountofborrowing.Thenherhusbandlosthisjobandtheplanfellapart. "IhavetwokidsincollegeandIwanttosay’comehome’butatthesametimeIwanttoprovidethemwithagoodeducation"saysJacobs. TheJacobsfamilydidworkoutasolution:Theyaskedandreceivedmoreaidformtheschoolsandeachsonincreasedhisborrowingtothemaximumamountthroughthefederalloan贷款program.Theywilleachgraduatewith$20000ofdebtbutatleasttheywillbeabletofinishschool. WithunemploymentrisingfinancialaidadministratorsexpecttohearmorefamiliesliketheJacobs.Morestudentsareapplyingforaidandmorefamiliesexpecttoneedstudentloans.Collegeadministratorsareconcernedthattheywillnothaveenoughaidmoneytogoaround. Atthesametimetuition学费continuestorise.AreportfromtheNationalCenterforPublicPolicyandHigherEducationfoundthatcollegetuitionandfeesincreased439%from1982to2007whileaveragefamilyincomerosejust147%.Studentborrowinghasmorethandoubledinthelastdecade. "Ifwegoonthiswayforanother25yearswewon’thaveanaffordablesystemofhighereducation"saysPatrickM.Callanpresidentofthecenter."Themiddleclassfamilieshavebeenfinancingitthroughdebt.Theywillsendkidstocollegewhateverittakesevenifthatmeansahugeamountofdebt." Financialaidadministratorshavebeenhavingahardtimeasmanycompaniesdecidethatstudentloansarenotprofitableenoughandhavestoppedmakingthem.Thegoodnewshoweveristhatfederalloansaccountforaboutthreequartersofstudentborrowingandthegovernmentsaysthatmoneywillflowuninterrupted. Accordingtothelastparagraphthegovernmentwill.
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