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如图,已知点A是第一象限内横坐标为的一个定点,AC⊥x轴于点M,交直线y=﹣x于点N,若点P是线段ON上的一个动点,以AP为一边作等边三角形APB(顺时针),取线段AB的中点H,当点P从点O运动到点...
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已知在Rt△OAB中∠OAB=90°∠BOA=30°AB=2以O为原点OA所在直线为x轴建立如图所示
如图已知点A是第一象限内横坐标为2的一个定点AC⊥x轴于点M交直线y=﹣x于点N.若点P是线段ON上
如图已知第一象限内的图象是反比例函数y=图象的一个分支第二象限内的图象是反比例函数y=﹣图象的一个
已知定点P.64与定直线l1y=4x过P.点的直线l与l1交于第一象限Q.点与x轴正半轴交于点M.O
已知一次函数与双曲线在第一象限交于A.B两点A.点横坐标为1.B.点横坐标为41求一次函数的解析式;
如图所示在空间中取直角坐标系xOy在第一象限内从y轴到MN之间的区域充满一个沿y轴正方向的匀强电场M
如图所示坐标系xOy在竖直平面内x轴正方向水平向右y轴正方向竖直向上y
如图已知点A是第一象限内横坐标为2的一个定点AC⊥x轴于点M交直线y=﹣x于点N.若点P是线段ON
下列说法正确的有1点1-a一定在第四象限2坐标上的点不属于任一象限3横坐标为0的点在Y.轴上纵坐标为
1个
2个
3个
4个
在平面直角坐标系中已知A.B.是抛物线y=ax2a>0上两个不同的点其中A.在第二象限B.在第一象限
如图所示在直角坐标系Oxy在第一象限内平行于y轴的虚线MN与y轴距离为d从y轴到MN之间的区域充满一
如图在直角坐标中点
是x轴正半轴上的一个定点,点
是双曲线
(x>0)上的一个动点,当点B.的横坐标逐渐增大时,△OAB的面积将会( ).
A.逐渐增大 B.不变
逐渐减小
先增大后减小
已知点P.在第二象限它的横坐标与纵坐标的和为1点P.的坐标是写出一个符合条件的一个点即可
如图已知点A是第一象限内横坐标为2的一个定点AC⊥x轴于点M交直线y=﹣x于点N.若点P是线段ON上
如图已知第一象限内的图象是反比例函数y=图象的一个分支第二象限内的图象是反比例函数y=-图象的一个分
如图Rt△ABC在第一象限∠BAC=90°AB=AC=2点A.在函数y=x的图象上其中点A.的横坐标
如图在平面直角坐标系中点A是y轴正半轴上的一个定点点B是反比例函数y=k为常数在第一象限内图象上的
不变
先增大后减小
逐渐增大
逐渐减小
如图在直角坐标中点
是x轴正半轴上的一个定点,点
是双曲线
(x>0)上的一个动点,当点B.的横坐标逐渐增大时,△OAB的面积将会( ).
A.逐渐增大 B.不变
逐渐减小
先增大后减小
如右图所示在直角坐标系中点A是x轴正半轴上的一个定点点B是双曲线 x>0上的一个动点当点B的横坐标
逐渐增大
不变
逐渐减小
先增大后减小
如图已知点A是第一象限内横坐标为的一个定点AC⊥x轴于点M交直线y=﹣x于点N若点P是线段ON上的
2
1
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8分TheTyrannosaumsrexalsocalledT.rexisknownforbeingkingofthedinosaurs.Howeverdinosaursinthesamefamilyweren'talwayssuchhugebeasts.EarlyancestorsoftheT.rexwereprettytinyscientistssay. ScientistshaveidentifiedanewcousinoftheT.rex.Thisdinosauronlyreachedaheightof3feet.That'sroughlytheheightofatoddler.Ifitstretcheditsduck﹣billedheadanadulthumanmaybewouldbelookingatitintheeyesaidSterlingNesbitt.Hediscoveredthedinosaur.NesbittisapaleontologistatVirginiaTech.Apaleontologistisapersonwhostudiesfossils. ThenewdinosauriscalledSuskityrannushazelae.Theanimaldatesback92millionyears.Thisisabout20millionyearsbeforetheT.rexstompedtheEarth. Thenewlydiscoveredcousinwasaboutthreetimeslongerthanitwastall.Itweighedbetween45and90pounds.That'salmostnothingcomparedtothe9﹣tonT.rex.TheT.rexweighednearlyasmuchastwohippos. Suskityrannushazalaeisn'tthefirstorevensmallestoftheTyrannosaurusfamilytree.StillNesbittsaiditprovidesthebestexampleofhowthisfamilyofsmallerdinosaurschangedovermillionsofyears.Theybecametoweringbeasts.ThehugeT.rexisthesubjectofhorrormovies. HansSuesstudiesancientlivingthingsattheSmithsonianInstitution.Hewasn'tpartofthestudy.Suessaiditwasanimportantfind.SuskityrannusisthefirstreallygoodrecordoftheearlytyrannosaursinNorthAmericahesaid. Thesemeat﹣eatersweren'tparticularlybigcomparedwithotherdinosaursaliveatthattime.Itisunclearwhydinosaursinthisgrouplaterbecamesoenormous. Nesbittsaidthenewlydiscoveredspeciesisprobablyamongthelastofthelittleguys.Itwasbiggerthanearliertyrannosau.andhadbigfeetneededforspeed.TheT.rexlostthese. 1WhySuskityrannushazelaeisthoughttobeagoodexamplefromtheTyrannosaurusfamilytree A.Itshowsthattyrannosaurswerequiteheavy. B.Itisthefastesttyrannosaureverfound. C.Itshowshowthetyrannosaurschangedovertime. D.Itisthesmallesttyrannosaureverfound. 2HowwasSuskityrannushazelaedifferentfromT.rex A.ItwassmallerthanT.rex. B.ItwasbiggerthanT.rex. C.ItatemoreplantsthanT.rex. D.ItranmoreslowlythanT.rex. 3WhichstatementistrueaboutT.rex A.Ithadaduck﹣billedhead. B.ItwasdiscoveredbyNesbitt. C.Itwasasheavyasahippo. D.Itwasameat﹣eatinganimal. 4Inwhichsectionofanewspapermaythistextappear A.Entertainment. B.Health. C.Education. D.Science.
已知am=3an=2则a2m-n的值为
25分假定你是李华.你在网上得知在你市留学的Larson最近总是失眠你决定给予他帮助.就此请你用英语给他写封电子邮件内容包括: 1.进行安慰; 2.询问失眠的具体原因; 3.约定地点以便当面详谈. 注意: 1.词数100左右; 2.可以适当增加细节以使行文连贯.
8分WhenIwas12yearsoldIalreadyknewthatmyteenyearsweregoingtobetheworstyearsatmylife.Iwasatotaloutsiderbullied欺凌atschool.Ifeltcompletelyaloneinmysmalltown. ButbystartingtodovolunteerworkwhenIwas14Iturnedmyproblemintoapassionforhelpingothers.Theopportunitytopracticekindnessmademefeellikemylifehadagreaterpurpose.ThemorepositiveenergyIsharedthemorekindnessandappreciationIreceived.Irealizedthatmypurposeinlifewouldbetoreachouttopeoplespecificallyteenagersandhelpthemfeellessalone. Booksweremytimefriendsbackthen.Iwassothankfulthattheauthorswrotethosebooks.Thekindnesstheyofferedmewiththeirbookssavedmylife.OneofmybiggestdreamswastobecomeanauthorsoIcouldwritebooksthatwouldhelpotherteenagersthewaythosebookshelpedme. AftersurvivingterribleexperiencesatschoolandathomeImadeachoicetotaketheoptimisticpositiveroadinthenextstepsofmyjourney.MydreamcareeriswhatIamdoingnow.Ihavebeenafull﹣timeauthorofteennovelssince2007andamgratefulforthisamazingopportunitytoreachouttoreaderseverysingleday. KindnesssavedmewhenIneededhelpthemost.Evensmallactsofkindnesscanchangesomeone'slife.Youneverknowwhatsomeoneelseisgoingthrough.Butbypracticingdailykindnessyoubecomeanarchitectofpositivechange. 1Whatwastheauthor'slifelikewhenhewas12 A.Boring. B.Peaceful. C.Unhappy. D.Meaningful. 2Howdidthevolunteerworkbenefittheauthor A.Itmadehimpopularinhistown. B.Ithelpedhimfindthemeaningoflife. C.Ithelpedhimunderstandothers'livesbetter. D.Ithelpedhimfallinlovewithreading. 3Whydidtheauthorchoosewritingashisjob A.Hewasinspiredbyhisteacher. B.Hecouldpasspositiveenergytoreaders. C.Hewantedtosharehisschoolexperiences. D.Hefoundhehadatalentforwriting. 4Whatdoestheauthorsuggestreadersdointhelastparagraph A.Saynotobulliesbravely. B.Inspireotherstomakepositivechanges. C.Treatotherswithkindnessindailylife. D.Learntocaremoreaboutothers'feelings.
6分 MountHuangshanAnhui AUNESCOWorldHeritageSitesetamidsttheloveliestmountainsofChinaMountHuangshanakaMountYellowisaonce﹣in﹣a﹣lifetimetrekformanyChinese. The1863﹣metermountainisrenownedforitsoddlyshapedpinesspectacularrockformationshotspringsandseasofmistyandmelancholyclouds.Atriphereprovidesamountainoffeeling. Admissionfee:RMB230betweenMarch1﹣November30 RMB150betweenDecember1﹣February28 MajorcitiesconnectedtoHuangshanAirportbydirectflightsincludeBeijingShanghaiGuangzhouandXi'an. TEL::0559﹣5561111 HuangguoshuWaterfallGuizhou ThehighestwaterfallinAsiamajesticHuangguoshuYellowFruitTreeWaterfallplungesadramatic77.8metersacrossa101﹣meter﹣widespan. ThebestvisitingseasonisJunetoAugustwhenthewaterreachesapeakflowof700cubicmeterspersecond. Admissionfee:RMB180betweenMarch1﹣October31 RMB160betweenNovember1﹣February28 ThenearesttraffichubtoHuangguoshuWaterfallisHuangguoshuAirport.It'saboutsixkilometersaway.MajorcitiesconnectedtoHuangguoshubydirectflightsincludeBeijingandGuangzhou. TEL:0851﹣33596663 ShennongjiaHubei Morethan400peopleclaimtohaveseenaBigfoot﹣likecreatureamongthelushvegetationofShennongjiaoverthepastcenturyyetnohardevidencehasbeenfoundtoprovetheyeti'sexistence. The3200﹣square﹣kilometernaturereservealsopurportstobetheonlywell﹣preservedsubtropicalforestecosystemintheworld'smid﹣latitudeswithmorethan5000speciesofanimalsandplants.It'shometosnub﹣nosedorgoldenmonkeysarareandprotectedspeciesinChina. Admissionfee:RMB100 WuhanisthenearestmajorcityandtraffichubtoShennongjia.FromWuhan'slong﹣distancebusstationatXinhuaLutakethedailycoachtoXingshanCounty.Thentransfertoamini﹣busfromXingshantoShennongjia. TEL:0719﹣8128855 Formoreinformationjustclick:http://edition.cnn.com/travel/article/china﹣beautiful﹣places/index.htmlorWechat:CNN﹣Travel.Lettersarenotrecommendedatallthough. 1Whichisthebestchoiceforhotspring﹣loverswithtightbudgets A.MountHuangshaninOctoberB.HuangguoshuWaterfallinJuly C.MountHuangshaninDecemberD.Shennongjiaatanytime 2WhencanyouenjoythesplendidsceneofHuangguoshuWaterfall A.OnMayDay B.OnCPCFoundingDay C.OnNewYear'sDay D.OnNationalDay 3Howmanyapproachesarementionedinalltogetrelevanttravelinformation A.2 B.3 C.4 D.5
如图数轴上表示1的对应点分别为点A点B.若点A是BC的中点则点C所表示的数为 A. B. C. D.
10分Rememberingnamesisanimportantsocialskill.Herearesomewaystomasterit. •Reciteandrepeatinconversation. Whenyouhearaperson'snamerepeatit.Immediatelysayittoyourselfseveraltimeswithoutmovingyourlips.1 •Asktheotherpersontoreciteandrepeat. Youcanletotherpeoplehelpyouremembertheirnames.Afteryou'vebeenintroducedtosomeone2Mostpeoplewillbepleasedbytheeffortyou'remakingtolearntheirnames. •3 Admittingthatyoucan'tremembersomeone'snamecanactuallymakepeoplerelaxed.Mostofthemwillfeelsympathyifyousay.I'mworkingtoremembernamesbetter.Yoursisrightonthetipofmytongue.Whatisitagain •Useassociations. 4Forexampleyoucouldmakeamentalnote:VickiCheng﹣tallblackhair.Toreinforceyourassociationswritethemonasmallcardassoonaspossible. •Limitthenumberofnewnamesyoulearnatonetime. Whenmeetingagroupofpeopleconcentrateonrememberingjusttwoorthreenames.Freeyourselffromrememberingeveryone.Fewofthepeopleinmassintroductionsexpectyoutoremembertheirnames.5Lastnamescancomelater. A.sometimesjustafewpeopleshowupontime. B.Admityoudon'tknow. C.Goearly. D.Youcouldalsorepeatthenameinawaythatdoesnotsoundforcedorartificial. E.Anotherwayistolimityourselftolearningjustfirstnames. F.askthatpersontospellthenameandpronounceitcorrectlyforyou. G.Linkeachpersonyonmeetwithonethingyoufindinterestingorunusual.
求下列各式中未知数的值|a-2|=
6分EachyearTimemagazinepicksthebestoftheyear'sinventionsthatwillchangehowweliveworkandplay. Aira Forpeoplewhoareblindeverydaytaskssuchaswalkingtoschoolorwashingclothescanbetough.Whati£theycouldborrowtheeyesofsomeonewhocanseeThat'sthethinkingbehindAira.Airaisaservice.Userssendlivevideoesoftheirsurroundingstoanagent.Thisisdonewithspecialglassesorasmartphoneapp.Theagentsarealwaysavailable.Theycananswerquestionsdescribeobjectsandguideusersthroughalocation. 3MSmog﹣reducingGranules Smogisatypeofairpollution.Itcomesfromcarandfactoryemissions.Thecompany3Mhascreatedanewmaterial>3Msmog﹣reducinggranules微粒whichcanbreakdownsmoggranulesintheair.Thebroken﹣downgranulesarewashedawaythenexttimeitrains.Thegranuleswillhelpreduceairpollution. TheWhillModelCI Morethan3millionAmericansusewheelchairstogetaround.Butmostwheelchairsarehardtomoveonmanysurfaces.TheWhillModelCIisdifferent.Itisanewelectricwheelchair.Itcanclimbobstaclestwoincheshighandmovearoundintightspaces.Thewheelchaircanalsobetakenapartinminutes.Thismakesthedisabledeasytotransport. Allbirds Manyshoepartsarenotenvironmentallyfriendly.Allbirdsistryingtochangethat.ItistestinganewmaterialcalledSweetFoamwhichismadefrompartsofthesugarcane甘蔗plantthatwouldbethrownaway.AllbirdshasstartedusingSweetFoaminalineofflip﹣flops人字拖.Itplanstousethematerialinmoreofitsproductlines. 1WhoisAirafitfor A.Factoryworkers. B.Blindpeople. C.Highschoolstudents. D.Serviceagents. 2What'sthepurposeofdesigningtheWhillModelCI A.Todriveacareasily. B.Toreducetrafficaccidents. C.Toofferthedisabledconvenience. D.Toovercomeobstaclesinlife. 3Whichinventionsareenvironmentallyfriendly A.AiraandtheWhillModelCI. B.TheWhillModelCIandAllbirds. C.Airaand3MSmog﹣reducingGranules. D.3MSmog﹣reducingGranulesandAllbirds.
15分OnthefirstdayofherworkSallyfoundthataclassfullof1problemwaswaitingforher.Sixteachers2quitbeforeshecametotheclass.Whenshewalkedintotheclassroomitwas3amess:twoboyswerefightinginthefarcorneryettherestoftheclassseemednottonoticethem;somegirlswerechattingandsomewererunning;paperfoodpackagesandothergarbage4putonthedesk…Justwhenshewasabouttospeakastudent5wastwentyminuteslaterushedinandpushedheraside! Sallywalkedontotheplatformpickedupapieceofchalkandwroteontheblackboard:Rule1:Weareafamily!Allstudentsstopped6lookather.AndshecontinuedwithRule2Rule3…Inthe7followweeksSallyworkedout10classrulesandpostedthemonthewallsoftheclassroom.She8patientexplainedalltherulestothestudentsandrequiredeveryonetofollowthem. SurprisinglySallywasnotdrivenoutlike9formerteachers;insteadshewonrespectfromthestudents.Duringtheyearshewitnessedgradualchangesintheclass.Atthegraduationceremonyjustassheexpectedshewasveryproudtostandwithaclassfullofcaregoodmannersand10confident.
若=2=-3则b-a的值是
计算-3a42-a·a3·a4-a10÷a2
计算
30分Bookshavegreatpower.Betweentheir1readerscanbetransportedtoanywhereimaginableandbecomejustaboutanyone…oranything.Unfortunatelymanychildrenallovertheworlddon'thave2tobooks. ForseveralyearsnowMariaKellerateenagerfromMinneapolisMinnesotahasbeentryingto3thatfact. Whenshewas8yearsoldMariaalready4reading.Shealsonoticedthatsomeofher5didn'treadasmuchasshedid.Whenshe6hermotherwhythatwashermothersaidthattheymightnotbeableto7books.Mariahadneverthoughtofthis.Shecouldn't8thatsomechildrendidn'thavebedtimestoriesreadtothemandshebecame9tochangethis. Withhermother'shelpMaria10ReadIndeedwhichisanon﹣profitorganizationdedicated致力于tocollectinganddistributingbookstochildren11. DuringtheearlystagesofReadIndeedMariasetthe12ofcollectinganddistributing1millionbooksbythetimeshewas18. Itdidn'ttakelongto13thatgoal﹣todateshehascollectedover2.4millionbooksandhas14themtomanystatesandcountriesaroundtheworld. ShesaidIcannotlivewithout15.AsIcontinuemymission使命Ihavelearnedthatthe16ofkidswhohavenobooksisinthehundredsofmillions.SoIjustcan't17evenafterreachingmy18goalof1millionbooks. Sherecentlysetanewgoal:to19donationstokidsinneedineverystateintheUSandeverycountryintheworld.Shekeepstrackofher20onalargemapatthewarehouse仓库whereherbooksarestoredandsorted. 1A.themes B.pages C.blanks D.columns 2A.access B.time C.power D.regard 3A.accept B.introduce C.change D.understand 4A.imagined B.advised C.escaped D.loved 5A.classmates B.students C.teachers D.relatives 6A.showed B.asked C.required D.reminded 7A.choose B.spare C.afford D.keep 8A.decide B.explain C.believe D.agree 9A.excited B.worried C.satisfied D.determined 10A.contacted B.created C.studied D.discovered 11A.insafety B.indanger C.introuble D.inneed 12A.goal B.point C.rule D.limit 13A.set B.get C.reach D.start 14A.sold B.shipped C.lent D.returned 15A.food B.water C.friends D.books 16A.number B.variety C.reasons D.doubts 17A.setoff B.getaway C.dropoff D.giveup 18A.common B.original C.important D.distant 19A.distribute B.collect C.attach D.devote 20A.experience B.research C.progress D.investment
若x³=8则x=
8分Mostofusaretaughttopayattentiontowhatissaid﹣thewords.Wordsdoprovideuswithsomeinformationbutmeaningsarederivedfromsomanyothersourcesthatitwouldhinder阻碍oureffectivenessasapartnertoarelationshiptorelytooheavilyonwordsalone.Wordsareusedtodescribeonlyasmallpartofthemanyideasweassociatewithanygivenmessage.Sometimeswecangaininsightintosomeofthoseassociationsifwelistenformorethanwords. Wedon'talwayssaywhatwemeanormeanwhatwesay.Sometimesourwordsdon'tmeananythingexceptI'mlettingoffsomesteamsodon'ttakeitseriously.Idon'treallywantyoutopaycloseattentiontowhatI'msaying.JustpayattentiontowhatI'mfeeling.Mostlywemeanseveralthingsatonce.ApersonwantingtopurchaseahousesaystothecurrentownerThisstephastobefixedbeforeI'llbuy.TheownersaysIt'sbeenlikethatforyears.Actuallythestephasn'tbeenlikethatforyearsbuttheunspokenmessageis:Idon'twanttofixit.Weputupwithit.Whycan'tyouThesearchforamoreexpansiveviewofmeaningcanbedevelopedofexaminingamessageintermsofwhosaiditwhenitoccurredtherelatedconditionsorsituationandhowitwassaid. Whenamessageoccurscanalsorevealassociatedmeaning.Letusassumetwocouplesdoexactlythesameamountofkissingandarguing.Butonecouplealwayskissesafteranargumentandtheothercouplealwaysarguesafterakiss.Theorderingofthebehaviorsmaymeanagreatdealmorethanthefrequencyofthebehavior. Wewoulddowelltolistenforhowmessagesarepresented.ThewordsIfsurehasbeennicetohaveyouovercanbesaidwithemphasisandexcitementorritualistically例行公事地.Thephrasecanbesaidonceorrepeatedseveraltimes.Andthemeaningsweassociatewiththephrasewillchangeaccordingly.Sometimesifwesaysomethinginfrequentlyitassumesmoreimportance;sometimesthemorewesaysomethingthelessimportanceitassumes. 1Whatdoesthepassagemainlytellus A.Wordsprovidelistenerswiththemostimportantinformation. B.Listenerscangaininsightiftheylistenforwordscarefully. C.Thecomprehensionofamessageisinfluencedbyafewfactors. D.Whenmessagesarepresentedisofgreatimportance. 2WhatdoestheunderlinedsentenceI'mlettingoffsomesteaminPara.2probablymean A.I'mjustkidding. B.I'mjustcallingyourattention. C.I'msayingtheopposite. D.I'mgivingsomeimportantinformation. 3Whyshouldn'tpeoplerelytoomuchonwordsalone A.Wordsareusedtodescribeabigpartofthemanyideas. B.Wordsalwayssuccessfullyrepresentwhatwesay. C.Listenersmaynotdevelophealthyrelationships. D.Listenerswillfailtounderstandtheunspokenlanguage. 4HowdoestheauthordevelopPara.3 A.Byraisingquestions. B.Bylistingdata. C.Bygivingexamples. D.Byanalyzingcausesandeffects.
化简---|-3|=
8分MarylandisexpectedtobecomethefirststateoftheUSAtobanfoam泡沫橡胶foodpackagingtakeoutcontainersandcups.Thenewproposedlawpassedbothofthestate'slegislativebodies立法机关thisweekwithenoughvotestooverrideapotentialrejectionsignedbyGov.LarryHoganwhohasnotpubliclysignaledwhetherhesupportedthelawornot.Thelawwouldbecomethelatestinagrowingeffortworldwidetobankindsofsingle﹣useplasticproductsduetotheirimpactsontheenvironment. WiththestatewidepreviousbaneffortMaryland'stwocountiesPrinceGeorgeandMontgomeryhadalreadybannedfoampackaging.Del.BrookeLiermanwhointroducedsimilarlegislationlastyearandin2017sayschangingpublicopinionhelpedherthirdattemptsucceed. Ithinkwehavereachedadangerpointshesays.Peopleareseeinghowcommonsingle﹣useplasticsareandthattheyarenotrecyclableandnevergoingaway.Peoplearebeginningtounderstandtheimportanceoflivingmoresustainably. Thenewlawwouldbanfoamfoodpackagingforproductspackagedin﹣stateincludingrestaurantscafesfoodtrucksandgrocerystores.Thefinalversionofthebillincludesexceptionssuchasmeat.ThebanwouldgointoforceonJuly12020andwouldcarryfinesof﹩250. ThelegislationwasopposedbytheMarylandRetailersAssociationwhichwarnedthatoutlawingfoampackagingcouldhurtsmallbusinessesbyhighercosts.Foampackagingremainspopularamongrestaurantsandthefoodindustrybecauseitislightweightinexpensiveandkeepsfoodanddrinkshot. Foamfoodcontainershavebeenbannedincitiesorcountiesin11statesincludingSeattlePortlandWashingtonD.C.SanFranciscoandnumerousothercitiesinCalifornia.AbaninNewYorkCitytookeffectatthebeginningofthisyearafteralonglegalbattleendedlastsummer. 1HowdidMarylandcarryoutthebanoffoamfoodpackaging A.Bypassinganewlaw. B.Byfiningfoampackagingusers. C.Byclosingsomelocalcompanies. D.Byteachingpeopletofocusontheenvironment. 2Whatdoestheunderlinedwordoverrideinparagraph1mean A.Explain. B.Prove. C.Reject. D.Tolerate. 3WhatisthekeytothethirdsuccessaccordingtoDel.BrookeLierman A.Learningfromothercities. B.Gettingmedium'ssupport. C.Changingpublicopinion. D.Hurtingsmallbusinesses. 4Whatcanwelearnfromthetext A.Foamfoodpackageswilldisappearintheworld. B.PeopleinMarylandsupportthelawabsolutely. C.Foamfoodpackageshaven'tanyadvantageatall. D.MeatwillbeallowedtobesoldinfoamfoodpackagesinAmerica.
已知5x-1的平方根是±34x+2y+1的立方根是1求4x-2y的平方根.
计算
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10分Itisimportanttoteachyourdogtoguardyouandtheothermembersofyourfamilytofightagainstdanger.Herearesometipsonhowtotrainyourdogtoprotectyou. 1. Itisveryimportanttointroduceyourdogtootherpeopleandletitinteractwiththem.Agoodguarddogisfriendlytothepeoplearoundit.Thisexerciseisveryimportantbecauseitwillhelpthedogdistinguishbetweengoodpeopleandbadpeople.2. Usepropercommands Adogactsaccordingtohowithasbeentrained.Theonlywaytodothisisthroughcom﹣mandsandyourownbodyactionsandsounds.CommandthedogtoattackbysayingthewordAttackloudly.SoonwheneveryouusethecommandAttack!yourdogwillunderstandthatitneedstofightthethingyouarepointingat.3youmustalsotrainittostoptheattack. Teachnightguarding Teachyourdogtokeepacheckonthehousebytakingitaroundthehouseandmakingitsniffthearea.Youwillneedtodothisacoupleoftimessothatthedogunderstandsthatitneedstokeepacheckeverynight.4.Itwillcheckthehouseandreturnbackindoors. Rewarditforitsgoodbehavior GivingrewardssuchasapatahugverbalpraiseGooddog!ortreatsisanexcellentwayoflettingthedogknowthatyouarehappywithitsbehavior.5itisyourdutytomakesureyourdogisrewardedforitsgoodbehaviorandpunishedforitsbadbehavior.PunishmentinvolvesscoldingthedogbyusingthecommandBaddog!orNoverybad!Thiswillhelpthedoglearnthatitmustn'tdocertainthings. A.Sinceyouarethemaster B.Encouragecommunication C.Whileyouaretrainingthedogtoattack D.Trainanolderdogtoprotectitsmaster E.Afterafewdaysthedogwillbegintocheckonitsown F.Peoplewhoaregoodwillbethosewhoareallowedtocomeclosetoit G.Ifyourdogdoesnotcomeinsideyouwillneedtocommandittogetback
10分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.每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:把多余的词用斜线\划掉. 修改:在错的词下划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. I'vehadmanydreamssinceIwasachild.Nowmydreamistoopensacafe.Thoughitmayappearsimpleitrequiredalotofideasandefforts.WhatIwantisnotjustanordinarilycafebutaveryspecialone.IwantmycafehaveaspecialthemesuchaslikeTangDynasty.Inthecafecustomerswillenjoyyourselvesinthehistoricalenvironmentwhatiscreatedforthem.IfIsucceedinmanageoneIwillopenmore.Iwishtohaveachainofcafesinmanydifferentcity.Eachofmycafeswillhaveadifferentthemeandanuniquestyle.
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