12.4.1圆的标准方程基础练巩固新知夯实基础1.圆(x＋1)2＋(y－2)2＝4的圆心与半径分别为()A.(－1,2)，2B.(1，－2)，2C.(－1,2)，4D.(1，－2)，42．圆心是O(－3，4)，半径长为5的圆的方程为()A．(x－3)2＋(y＋4)2＝5B．(x－3)2＋(y＋4)2＝25C．(x＋3)2＋(y－4)2＝5D．(x＋3)2＋(y－4)2＝253.若圆C的圆心坐标为(0,0)，且圆C经过点M(3,4)，则圆C的半径为()A.5B.6C.7D.84.若点(5a＋1,12a)在圆(x－1)2＋y2＝1的内部，则实数a的取值范...
资料来源：高中英语资料群：756185855，衡水中学资料群：933372129，课时分层作业(十四)Ⅰ.单句语法填空1．Wedecidedtodelay(delay)ourholidayuntilnextmonth.2．Istartedspittingbloodandmymotherpanicked(panic)．3．Whatismore，consumersfeelannoyedtobeinterrupted(interrupt)whentheyarewatchingTVplay.4．Ascreamforhelpcamefrominsidethebuilding.5．Heissoselfishthathealwaysplaceshimselfbeforehisfellows(fellow)．...
资料来源：高中英语资料群：756185855，衡水中学资料群：933372129，课时分层作业(八)Ⅰ.单句语法填空1．Workplacecanteens(canteen)areofferinghealthierfoodsthaneverbefore.2．Ourassociation(associate)withhimgoesbackfouryears.3．Theclubwelcomesallnewmembersregardlessofage.4．Largequantities(quantity)ofwaterareneededforcoolingpurpose.5．Danielleanedbackonthesofa，stillchewing(chew)onhisapple.6．Someofthe...
资料来源：高中英语资料群：756185855，衡水中学资料群：933372129，课时分层作业(十一)Ⅰ.单句语法填空1．Contrarytopopularbelief，moderateexerciseactuallydecreasesyourappetite.2．Sheclimbedthestepsandproceeded(proceed)alongtheupstairshallway.3．Ifindhisattitudeabsolutelyastonishing(astonish)．4．Totheirsurprise，hundredsrepliedtotheadvertisement(advertise)．5．Hesatbythefireandtoasted(toast)apieceof...
资料来源：高中英语资料群：756185855，衡水中学资料群：933372129，课时分层作业(五)Ⅰ.单句语法填空1．Hecanlogically(logical)inferthatifthebatteryisdeadthenthehornwillnotsound.2．Isincerely(sincere)hopethatyouwillbesuccessful.3．Sheencouragesthemtotakeachanceonnewideasandinitiatives(initiative)．4．Wehaveabundantexperienceincooperating(cooperate)withalotofcompanies.5．Hedenied(deny)knowinganythinga...
资料来源：高中英语资料群：756185855，衡水中学资料群：933372129，课时分层作业(十三)Ⅰ.单词拼写根据汉语提示写出单词。1．Thenewsthatherchildwassafeeased(减轻)hermind.2．Theboywastreatedforaminor(轻微的)headwound.3．Alongscarfwaswrapped(裹)roundherneck.4．Thelatesttechniques(技术)inoceanographyarenowavailabletomanymorescientists.5．Themostterrifyingaspectofnuclearbombingisradiation(辐射)．6．Thisvi...
资料来源：高中英语资料群：756185855，衡水中学资料群：933372129，课时分层作业(九)Ⅰ.阅读理解AHowdoesithappenthatsomepeopleneverhavetoseethedoctorwhilesomearewastingmuchmoneyinhospital？Theanswerliesintheirproper，healthydiet.Abalanceddietactuallymeanseatingallkindsoffoodstoprovidethebodywithallthenutrients(营养物)itneedsforitsdailywork.Itmeanseatingtherighttypeoffoodsandeatingarightamountoffoodf...
资料来源：高中英语资料群：756185855，衡水中学资料群：933372129，课时分层作业(七)Ⅰ.单词拼写根据汉语提示写出单词。1．Thehotelhasalargediningroomservingsuperblocalcuisines(菜肴)．2．Hereceivedasetofchinaconsisting(组成)ofsixtypieces.3．Ifyouwantthedishtoturnoutrightyoushouldfollowtherecipe(食谱)．4．Sheflavoredthefishwithsugarandvinegar(醋)．5．Thereistoomuchonion(洋葱)inthesalad.6．Sheproducesel...
资料来源：高中英语资料群：756185855，衡水中学资料群：933372129，课时分层作业(六)Ⅰ.阅读理解ADenmarkisoneofthehappiestnationsonearthwithsomeofthebestqualityoflife.YoudontneedstatisticstounderstandtheDaneshappylot.WalkaroundanyDanishtownandyoullexperiencesomeofthemostharmoniouscivicspacesanywhere.Theirintimatescalesandperfecttransportsystemscombinetherichhistoryandboldmodernlinesofthebuiltenviron...
资料来源：高中英语资料群：756185855，衡水中学资料群：933372129，课时分层作业(三)Ⅰ.阅读理解AFlorenceNightingalewasborninarichfamily.Whenshewasyoung，shetooklessonsinmusicanddrawing，andreadgreatbooks.Shealsotravelledagreatdealwithhermotherandfather.Asachild，shefeltthatvisitingsickpeoplewasbothadutyandapleasure.Sheenjoyedhelpingthem.Atlast，hermindwasmadeup.“Imgoingtobeanurse，”shedecided.“N...
资料来源：高中英语资料群：756185855，衡水中学资料群：933372129，课时分层作业(十二)Ⅰ.阅读理解AIpickedupmytwobestfriendsandwewereoffonaroadtrip.IhadjustreturnedtoAmericafromayearabroadinChina.So，naturallyIwantedtotakeatriptoCanada.Montreal，thesecondlargestcityinCanada，isafourhourdrivefrommyhomeinNewHampshire.WefeltathrillaswecrossedtheborderintoCanada.ItwasthefirsttimeIhadeverdrivenacrossanin...
资料来源：高中英语资料群：756185855，衡水中学资料群：933372129，课时分层作业(十五)Ⅰ.阅读理解ASunstroke(中暑)isaconditionthatcanquicklygofromdangeroustodeadly，especiallyifpropercareisntgivenimmediately.Sunstroke，sometimescalledheatstroke，isaresultofthebodytemperaturerisingabovethesafelimit.Thiscausesthebodysnecessaryfunctionstostopworking.Itsusuallyprettyeasytoavoidsunstroke，aslongaspropera...
资料来源：高中英语资料群：756185855，衡水中学资料群：933372129，课时分层作业(四)Ⅰ.单词拼写根据汉语提示写出单词。1．Themathsproblemistoocomplex(复杂的)formetoworkout.2．Youmustbeambitious(有雄心的)tosucceedinbusiness.3．Thedrivingtestwillqualify(使具备资格)youtodrive.4．Hisfatheremployedtwotutors(家庭教师)forhim.5．Thisissimilartotheexamplecited(引用)above.6．Lastweekwewenttothepresentation(演...
资料来源：高中英语资料群：756185855，衡水中学资料群：933372129，课时分层作业(十)Ⅰ.单词拼写根据汉语提示写出单词。1．Wesailedintothebay(海湾)anddroppedanchorinfivemetersofwater.2．Wemustmakemassive(巨大的)effortstoimprovethesituation.3．Thefireburnedupmorethan50，000poundsworthofantiques(古董)．4．Thereshewas，slightlyoutofbreath(呼吸)fromrunning.5．TheNiagaraFallsareatrulyawesome(令人惊叹的)sig...
资料来源：高中英语资料群：756185855，衡水中学资料群：933372129，课时分层作业(一)Ⅰ.单词拼写根据汉语提示写出单词。1．Theevidencedemonstrateshoweasilypeoplecanholdcontradictory(相互矛盾的)beliefs.2．Washismothertoosevere(严厉)onhim?3．Thedriverofthecrashedcarreceivedmultiple(多样的)injuries.4．Weshouldtransformoursubjectiveworldwhiletransforming(改变)theobjectiveworld.5．Accordingtoofficialstatis...
第二章自然地理要素及现象第二节大气的组成与垂直分层上犹中学高一地理备课组学习目标：1、运用图表资料，说明大气的主要组成物质，分析各大气成分的主要作用；2、运用体表资料，说明大气的垂直分层；3、绘制大气垂直分层示意图，比较分析对流层、平流层和高层大气的特征；4、分析人类活动对对流层产生的影响0102大气的垂直分层大气的组成CONTENTS目录从浩渺的宇宙中看地球，它的表面好像被一层“薄纱”所包裹着。这层“薄纱”...
第二章OSI层次模型•主讲人：ALLEN•通过本章的学习，您应该掌握以下内容:–掌握OSI分层模型–描述数据在源和目标设备间的传送过程–清楚集线器、交换机和路由器在网络中担当的角色和功能；懂得在什么情况下该用什么样的设备•ISO:国际标准化组织(InternationalOrganizationforStandardization)•OSI:开放系统互联(opensysteminterconnection)•20世纪70年代后期，ISO创建OSI参考模型，希望不同供应商的网络能够相互协同工作，...
巩固层知识整合章末综合测评提升层能力强化章末分层突破拓展层链接高考第一章集合[自我校对]①描述法②空集③互异性④相等⑤补集________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________集合的含义及表示集合...
