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设复数z满足z（1+i）＝i﹣3，则复数的实部为（ ）
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高三上学期数学《》真题及答案
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复数z满足z1﹣i＝2i则复数z的实部与虚部之和为
﹣2
2
1
0
设复数i满足iz＋1＝－3＋2ii为虚数单位则z的实部是________.
设复数z实部为正数满足|z|=5且3+4iz是纯虚数则=
已知复数z1满足z1-21+i=1-ii为虚数单位复数z2的虚部为2z1·z2是实数求z2．
设复数z满足iz-4=3+2ii是虚数单位则z的虚部为.
.设复数z满足﹣iz=3+2i1﹣i其中i为虚数单位则z=.
设复数z满足iz＋1＝－3＋2ii为虚数单位则z的实部是________.
设复数z满足z1+i=2i为虚数单位则复数z的虚部是
1
﹣1
i
﹣i
i是虚数单位若复数z满足zi=﹣1+i则复数z的实部与虚部的和是
0
1
2
3
已知复数z1＝2＋iz2＝3－i其中i是虚数单位则复数的实部与虚部之和为________.
若复数z满足1﹣iz=2+3i则复数z的实部与虚部之和为
﹣2
2
﹣4
4
i是虚数单位复数z满足1+iz=2则z的实部为
设复数z满足z+|z|i=3+9ii为虚数单位则z=.
已知复数z满足z﹣1i=1+i那么复数z的实部为
2
﹣2
2i
﹣2i
已知复数z1满足z1－21＋i＝1－ii为虚数单位复数z2的虚部为2且z1·z2是实数则z2＝.
设复数z满足z1＋i＝2＋4i其中i为虚数单位则复数z的共轭复数为__________.
.i是虚数单位若复数满足z•i=﹣1﹣i则复数z的实部与虚部的和是
0
1
2
3
设复数z=2+i则复数z1﹣z的共轭复数为
﹣1﹣3i
﹣1+3i
1+3i
1﹣3i
复数z满足z2+i=2i－1则复数z的实部与虚部之和为
1
-1
2
3
设复数z=3－4i1+2ii是虚数单位则复数z的虚部为
-2
2
-2i
2i
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Mycolortelevisionhasgivenmenothingbutaheadache.IwasabletobuyitalittleoverayearagobecauseIhadmyrelativesgivememoneyformybirthdayinsteadofalotofclothesthatwouldn'tfit.IletasalesclerkfoolmeintobuyingadiscontinuedmodelIrealizedthisadaylatewhenIsawnewspaperadvertisementsforthesetatseventy﹣fivedollarslessthanIhadpaidThesetworkedsobeautifullywhenIfirstgotithomethatIwouldkeepitonuntilstationssignedoffforthenightFortunatelyIdidn'tgotanychannelsshowingall﹣nightmoviesorIwouldneverhavegottentobed. ThenIstarteddevelopingaproblemwiththesetthatinvolvedstatic静电noise.Forsomereasonwhencertainshowsswitchedintoacommercialaloudnoisewouldsoundforafewseconds.GraduallythisnoisebegantoappearduringashowandtogetridofitIhadtochangetoanotherchannelandthenchangeitback.SometimesthistechniquewouldnotworkandIhadtopickupthesetandshakeittoremovethesound.Iactuallybegantobuildupmyarmmuscles肌肉shakingmyset. WhenneitherofthesemethodsremovedthestaticnoiseIwouldsithelplesslyandwaitforthenoisetogoaway.AtlastIendeduphittingthesetwithmyfistanditstoppedworkingaltogether.Mytriptotherepairshopcostme$62andthesetisworkingwellnowbutIkeepexpectingmoretrouble. 21.WhydidtheauthorsayhewasfooledintobuyingtheTVset? A.Hegotanoldermodelthanhehadexpected. B.Hecouldn'treturnitwhenitwasbroken. C.Hecouldhaveboughtitatalowerprice. D.Hefailedtofindanymovieshowsonit. 22.WhichofthefollowingcanbestreplacethephrasesignedoffinParagraph1? A.endedalltheirprograms B.providedfewerchannels C.changedtocommercials D.showedall﹣nightmovies 24.Howdoestheauthorsoundwhentellingthestory? A.Curious B.Anxious C.Cautious D.Humorous.
如图反比例函数y＝x＞0的图象经过矩形OABC对角线的交点M分别交ABBC于点DE．若四边形ODBE的面积为12则k的值为．
如图在菱形ABCD中已知AB＝4∠ABC＝60°∠EAF＝60°点E在CB的延长线上点F在DC的延长线上有下列结论①BE＝CF②∠EAB＝∠CEF③△ABE∽△EFC④若∠BAE＝15°则点F到BC的距离为2﹣2．则其中正确结论的个数是
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. WhennewscamethatIwasnotchosenasthememberofthevolleyballteamIwassuchfrustratedthatIalmostdecidedtogiveup.HowevermybestfriendMirandaanalyzedmyproblemspointedoutthatmylazinessandpoorpreparationledmyfailure.FromthenonIdevotedallmysparetimetopracticeplayingandconsultinghisteachersaboutskillseveryday.WhenanotherchancecameIhadgotfullyprepared.AsaresultofIwasselectedandbecameoneofthemostimportantplayerinourschoolteam.FromthisstoryIamdefiniteconvincedthatthebetterpreparedwearethemuchlikelyweareabletoachieveourgoals.
如图⊙O的直径AB垂直于弦CD垂足是点E∠CAO＝22.5°OC＝6则CD的长为
设ab是方程x2+x﹣2019＝0的两个实数根则a﹣1b﹣1的值为．
如图1在平面直角坐标系中抛物线y＝﹣x2+bx+c经过点A﹣50和点B10． 1求抛物线的解析式及顶点D的坐标 2点P是抛物线上AD之间的一点过点P作PE⊥x轴于点EPG⊥y轴交抛物线于点G过点G作GF⊥x轴于点F当矩形PEFG的周长最大时求点P的横坐标 3如图2连接ADBD点M在线段AB上不与AB重合作∠DMN＝∠DBAMN交线段AD于点N是否存在这样点M使得△DMN为等腰三角形若存在求出AN的长若不存在请说明理由．
如图在Rt△ABC中∠B＝90°AB＝5BC＝12将△ABC绕点A逆时针旋转得到△ADE使得点D落在AC上则tan∠ECD的值为．
8分Howfarwouldyoubewillingtogotosatisfyyourneedtoknow?Farenoughtofindoutyourpossibilityofdyingfromaterribledisease?Thesedaysthat'smorethananacademicquestionasTracySmithreportsinourCoverStory. Therearenowmorethanathousandgenetic基因的testsforeverythingfrombaldnesstobreastcancerandthelistisgrowing.Questionisdoyoureallywanttoknowwhatmighteventuallykillyou?ForinstanceNobelPrize﹣winningscientistJamesWatsononeofthefirstpeopletomaptheirentiregeneticmakeupissaidtohaveaskednottobetoldifhewereatahigherriskforAlzheimer老年痴呆症. IfItellyouthatyouhaveanincreasedriskofgettingaterriblediseasethatcouldweighonyourmindandmakeyouanxiousthroughwhichyouseetherestofyourlifeasyouwaitforthatdiseasetohityou.ItcouldreallymessyouupsaidDr.RobertGreenaHarvardgeneticist. EveryacheandpainSmithsuggestedcouldbeunderstoodasthebeginningoftheend.That'sright.IfyoueverworriedyouwereatriskforAlzheimer'sdiseasetheneverytimeyoucan'tfindyourcarintheparkinglotyouthinkthediseasehasstarted. Dr.Greenhasbeenthinkingaboutthisissueforyears.HeledastudyofpeoplewhowantedtoknowiftheywereatahighergeneticriskforAlzheimer's.Itwasthoughtthatpeoplewhogotbadnewswouldforlackofabettermedicaltermfreakout.ButGreenandhisteamfoundthattherewasnosignificantdifferencebetweenhowpeoplehandledgoodnewsandpossiblytheworstnewsoftheirlives.Infactmostpeoplethinktheycanhandleit.PeoplewhoaskfortheinformationusuallycanhandletheinformationgoodorbadsaidGreen. 1.Thefirstparagraphismeantto. A.asksomequestions B.introducethetopic C.satisfyreaders'curiosity D.describeanacademicfact 2.WhichofthefollowingistrueofJamesWatson? A.Heisstronglyinfavorofthepresentgenetictests. B.HeismorelikelytosufferfromAlzheimer'sdisease. C.Hebelievesgeneticmappingcanhelpcureanydisease. D.Hedoesn'twanttoknowhischanceofgettingadisease. 3.TheunderlinedpartfreakoutinParagraph5isclosestinmeaningto. A.breakdown B.dropout C.leaveoff D.turnaway 4.ThestudyledbyDr.Greenindicatesthatpeople. A.prefertoheargoodnews B.tendtofindoutthetruth C.canacceptsomebadnews D.havetherighttobeinformed
30分AtfirstpeopleintheUSthoughtEbola埃博拉wasonlyadiseaseaccompaniedwithfeverandfoundinAfricaatthebeginning.1thenamanfromwestAfricadiedfromEbolaatahospitalinDallasTexas.Andtwonurses2forhimbecameinfected感染withtheviruswhichmadetheUSgovernmentpublishnewguidelinesto3healthworkers. TopAmerican4haverepeatedlysaidthatmostpeoplehavelittlechanceofbeinginfected.Expertshave5thatEbolacanonlybespreadthroughinfectedperson'sbodyfluids﹣likeblood.Butit6thatmanyAmericansare7whattheyhaveheard. Arecentsurveyfoundmorethan80percentofAmericansbelievethatEbolacanbespreadinmany8includingairforcedthroughthenoseormouth.BesidestheHarvardSchoolofPublicHealth9thefindings.Thestudyalsoshowedthatmostadultsfeartherewillbean10ofEbolaintheUnitedStatessoon.11surveyfoundthatmorethan70percentofAmericanswouldsupportcallsto12traveltoandfromEbola﹣affectedpartsofAfrica. ThomasFriedenheadstheU.S.CentersforDiseaseControlandPrevention.Whenaskedwhether 13officialshadconsideredatravelbanMr.Friedenhad14tosay:Wewon'tbeabletochecktravelersfor15whentheyleaveorwhentheyarrive.Wewon'tbeableaswedo16totakeadetailedhistorytoseeiftheywere17whentheyarrive.Whenthey18wewouldn'tbeabletoimposequarantine强加隔离aswenowcaniftheyhavehigh﹣risktouch. LastweekPresidentBarackObamaurgedAmericansnotto19whathecalledpanicorfear.ThisweektheadministrationannouncedthatalltravelersreachingtheUnitedStatesfromsomeAfricannationsare20topassthroughoneoffiveairports. 1.A.Just B.Yet C.So D.Even 2.A.arranging B.caring C.searching D.standing 3.A.treat B.attend C.inspec tD.protect 4.A.policemen B.officers C.physicists D.doctors 5.A.stated B.suggested C.considered D.regretted 6.A.proves B.happens C.says D.appears 7.A.studying B.discussing C.questioning D.determining 8.A.ways B.areas C.organs D.countries 9.A.announced B.received C.realized D.rejected 10.A.increase B.income C.decrease D.outbreak 11.A.Theother B.Another C.Thesame D.One 12.A.forbid B.expect C.require D.allow 13.A.foreign B.royal C.African D.federal 14.A.that B.this C.nothing D.those 15.A.change B.money C.fever D.crime 16.A.immediately B.previously C.presently D.regularly 17.A.examined B.searched C.explored D.exposed 18.A.leave B.arrive C.live D.stay 19.A.lookforwardto B.payattentionto C.giveinto D.addupto 20.A.persuaded B.required C.advised D.guided
在我市“青山绿水”行动中某社区计划对面积为3600m2的区域进行绿化经投标由甲乙两个工程队来完成．已知甲队每天能完成绿化的面积是乙队每天能完成绿化面积的2倍如果两队各自独立完成面积为600m2区域的绿化时甲队比乙队少用6天． 1求甲乙两工程队每天各能完成多少面积的绿化 2若甲队每天绿化费用是1.2万元乙队每天绿化费用为0.5万元社区要使这次绿化的总费用不超过40万元则至少应安排乙工程队绿化多少天
ItwasmyfirstdayinHangzhoutheChinesecityfamousforitsnaturalbeautyandhistoryandIdidn'thavemuchtimetospare.Iwantedtosee1muchofthecityaspossibleinthetwodays2IwastoreturntoGuangzhou.Myfirsttaskwastodecidewheretogoand3togetthere.Itookoutmyguidebookinwhichtherewasalotofinformationaboutthecity'swell﹣knowntourist4attractandstartedtoread.Atthatmomentanattractiveyounglady5noticedmybookcameuptomeandintroduced6.ShesaidhernamewasMissBai.Shekindlyofferedtoshowme7thecity.Iwasdelightedandwasabouttoacceptherproposalwhenshesuggestedwefirst8gototheWestLakeandwalkalongtheBrokenBridge.IquitelikedtheideaofvisitingtheWestLakebutwasn'tsosureaboutcrossingtheBrokenBridge.9itwasbrokendidsheexpectmetojumpacross?AndIcouldn'tswimsoifIfellinthenIwoulddrown.ThatwasdefinitelynotanattractiveideasoIpolitelydeclinedherinvitation10closemybookandwalkedaway. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.
如图在岷江的右岸边有一高楼AB左岸边有一坡度i＝12的山坡CF点C与点B在同一水平面上CF与AB在同一平面内．某数学兴趣小组为了测量楼AB的高度在坡底C处测得楼顶A的仰角为45°然后沿坡面CF上行了20米到达点D处此时在D处测得楼顶A的仰角为30°求楼AB的高度．
已知函数． 1若x∈﹣1+∞求fx的最小值并指出此时x的值 2求不等式fx≥2x+2的解集．
Wheredoyougowhenyouwanttolearnsomething?Afriend?Atutor?Theseareall41acesoflearning.Butitmaywellbethatthelearningyoureallywant42somewhereelseinstead.Ihadthe43ofseeingthisfirsthandona44. Mydaughterplaysonarecreationalsoccerteam.Theydidverywellthisseasonandso45atournamentwhichnormallywasonlyformoreskilledclubteams.Thisledtosome46experiencesonSaturdayastheyplayedagainstteams47trained.Throughthefirsttwogamesher48didnotgetonseriousshotongoal.AsapparentI49seeingmydaughterplayingherbest50stilldefeated. ITseemedthatsomethingclickedwiththe51betweenSaturdayandSunday.Whenthey52fortheirSundaygametheywere53different.Theyhadbegunintegrate融合thekindsofplayandteamworktheyhad54thedaybeforeintotheir55.Theyplayedaggressivelyand56scoredagoal. It57methatplayingagainsttheotherteamwasagreat58momentforallthegirlsontheteam.Ithinkitisageneralprinciple.59isthebestteacher.Thelessonstheymaynotbe60whattheywouldhavegotteninschool.Butarecertainlymorepersonalandmeaningfulbecausetheyhadtoworkthemoutontheirown. 41.A.public B.traditional C.official D.special 42.A.passes B.works C.lies D.ends 43.A.dream B.idea C.habit D.chance 44.A.trip B.holiday C.weekend D.square 45.A.won B.entered C.organized D.watched 46.A.painful B.strange C.common D.practical 47.A.less B.poorly C.newly D.better 48.A.fans B.tutors C.class D.team 49.A.imagined B.hated C.avoided D.missed 50.A.if B.or C.but D.as 51.A.girls B.parents C.coaches D.viewers 52.A.dressed B.showedup C.madeup D.planned 53.A.slightly B.hardly C.basically D.completely 54.A.seen B.known C.heard D.read 55.A.styles B.training C.game D.rules 56.A.even B.still C.seldom D.again 57.A.confused B.struck C.reminded D.warned 58.A.touching B.thinking C.encouraging D.learning 59.A.Experience B.Independence C.Curiosity D.Interest 60.A.harmfulto B.mixedwith C.differentfrom D.appliedto.
6分EachmorningGrandpawasupearlysittingatthekitchentablereadinghisbook.Hisgrandsonwantedtobejustlikehimandtriedtocopyhimineverywayhecould.OnedaythegrandsonaskedGrandpaItrytoreadthebookjustlikeyoubutIdon'tunderstanditandIforgetwhatIunderstandassoonasIclosethebook.Whatgooddoesreadingthebookdo? ThegrandpaquietlyturnedfromputtingcoalinthestoveandrepliedTakethiscoalbasketdowntotheriverandbringmebackabasketofwater.Theboydidashewastoldbutallthewaterleakedoutbeforehegotbacktothehouse.ThegrandpalaughedandsaidYou'llhavetomovealittlefasternexttimeandsenthimbacktotheriverwiththebaskettotryagain. Thistimetheboyranfasterbutagainthebasketwasemptybeforehereturned.Outofbreathhetoldhisgrandpathatitwasimpossibletocarrywaterinabasketsohewenttogetabucketinstead.ThegrandpasaidIdon'twantabucketofwater;Iwantabasketofwater.You'rejustnottryinghardenough. Theboyagaindippedthebasketintotheriverandranhardbutwhenhereachedhisgrandpathebasketwasemptyagain.OutofbreathhesaidGrandpait'suseless!Soyouthinkitisuseless?thegrandpasaidLookatthebasket. Theboylookedatthebasketandforthefirsttimeherealizedthatthebasketwasdifferent.Ithadbeentransformedfromadirtyoldcoalbasketandwasnowclean.Grandsonthat'swhathappenswhenyoureadthebook.Youmightnotunderstandorremembereverythingbutwhenyoureadityou'llbechangedinsideandout. 1.Whatpuzzledthegrandsonmostwas. A.whetheritwasusefultoreadbooks B.whyheforgotwhathereadsoon C.whatkindofbookhecouldunderstand D.howhecouldreadbookslikehisgrandpa 2.WhydidGrandpaaskhisgrandsontofetchabasketofwater? A.Totrainhimtorunfaster. B.Tocleanthedirtybasketintheriver. C.Topunishhimfornotreadingcarefully. D.Togethimtorealizetheuseofreadingbooks. 3.Whatlessoncanwelearnfromthestory? A.Theoldarealwayswiserthantheyoung. B.Itisfoolishtocarrywaterwithabasket. C.Readingbookscanchangeapersongradually. D.Youcan'texpecttorememberwhateveryouread.
1用分析法证明当x≥0y≥0时 2证明对任意x∈R3|x﹣1|﹣x﹣1x2+x﹣2x+1这3个值至少有一个不少于0．
10分Justlikechildrenbabyanimalsspendcountlesshoursatplay.Afterstudyinganimalplayformanyyearsscientistsrecognizethatyounganimalplayispracticeforadultbehavior.Todaythisplayisroughlydividedintothefollowinggroups. Locomotorplayreferstothemovementsanimalscarryoutintheirplay.Runningleapingturningandkickingaresomeofthemostcommonexamplesoflocomotorplay.Anadultdeermayrunleapandtwisttoescapeitsattackers.Playmovementslikethesesurelymakeyounganimalsnimble.Somedaytheseskillsmighthelpsavetheirlives. Movingforwardslowlyattackingsuddenlyandbitingareexamplesofpredatoryplaythathelpyoungpredatorsprepareforalifeofrunningafterandtakingholdofotheranimals.Wildcatswolvesandbearsarepredators.Itisverycommontoseetheseyounganimalsplaythiskindofgameswhichsharpentheirskillsandteachthemabouttheirstrengthsandlimitations. Forchildrenplayingwithtoysisbothfunandeducational.Ithelpsimprovetheirhandandeyemovementsaswellasdevelophandskillstoaccomplishtasks.Itisthesamewithanimals.Youngchimpanzeesimprovetheirhandskillswhileplayingwithsticks.Birdsalsoplaywiththingsinwaysthatteach.Swallowsdropandrecoverfeathersinmidair.Divingsuddenlytocatchthefeathersisagoodpracticeforcatchingflyinginsects. Socialplayhelpsanimalslearnhowtobehavewhentheyrunintootheranimals.Anditteachesanimalsaboutcommunication.Ananimalgivessignalstoletanotheranimalknowitwantstoplay.Manyanimalsgivesignalsbyshowingaplayface.Insomewaysthisfaceislikeahumansmile;theanimalholdsitsmouthinarelaxedandopenmanner.Duringplay﹣fightssomeanimalsmaystepbackwardstosignalthattheyareplayingandnotactingseriously. Untilnowscientistshaveunderstoodplayfulactshelpprepareanimalsfortheirseriousadultsituations.Butthenumbersofplayfulspeciesandexamplesofanimalplayarevast.Thepurposeofanimalplaymayhavemeaningsscientistshavenotdiscoveredyet. 1.Themainpurposeofthetextisto. A.askustotakegoodcareofwildanimals B.encourageustolearnmoreaboutanimals C.entertainuswithinterestinganimalstories D.showussomethingaboutanimalbehavior 2.TheunderlinedwordnimbleinParagraph2canbestbereplacedby. A.cruel B.swift C.curious D.strong 3.Whichofthefollowingbelongstopredatoryplay? A.Adeerrunsleapsandturns. B.Achimpanzeeplayswithastick. C.Alionmovesslowlyandmakesanattacksuddenly. D.Adogholdsitsmouthinarelaxedandopenmanner. 4.BasedonParagraph5aplayfaceis. A.atypeofsignalbetweenanimals B.anameforakindofanimalplay C.anactivitythatinvolvesadultanimals D.anactionthatistaughttoanotheranimal 5.Whichofthefollowingshowsthestructureofthetext?
BRITAINisapopulartouristplace.Buttoursofthecountryhaveprosandcons. Goodnews Freemuseums.Nochargeforoutstandingcollectionsofartandantiquities. Popmusic.Britainistheonlycountrytorival与……比敌theUSonthisscore. Blackcabs.Londontaxidriversknowwheretheyaregoingevenifthereareneverenoughofthematweekendsornight. Choiceoffood.VisitorscanfindeverythingfromEthiopiantoSwedishrestaurants. Fashion.NotonlydofashionfollowerslovedeeplyandrespecthighlybrandnamessuchasVivienneWestwoodAlexanderMcQueenstreetstylesarejustlylovedtoo. Badnews Poorservice.It'spartoftheimageoftheplace.PeoplecandineoutontherudenesstheyhaveexperiencedsaysProfessorTonySeatonofLutonUniversity'sInternationalTourismResearchCenter. Poorpublictransport.Trainsandbusesarepromisedtodefeatthekeenesttouristsalthoughtheover﹣crowdedLondontubeisunbelievablepopular. Lackoflanguages.Speakingslowlyandclearlymaynotgetmanyforeignvisitorsveryfareveninthetouristtraps. Rain.Stillinthenumberonecomplaint. Noair﹣conditioning.Sothatevensplendidlyhotsummersbecomeasunbearableasthedown﹣pours. Overpricedhotels.TheonlyEuropeancountrywithahigherrateoftaxonhotelroomsisDenmark. Licensinghours.Alcohol酒isinshortsupplyafter11p.m.evenin24﹣hourcities. 1.Whatdotouristscomplainmost? A.Poorservice. B.Poorpublictransport. C.Rain. D.Overpricedhotels. 2.WhatdowelearnaboutpopmusicinBritainandtheUSthroughthispassage? A.PopmusicinBritainisbetterthanthatintheUS. B.PopmusicinBritainisasgoodasthatintheUS. C.PopmusicinBritainisworsethanthatintheUS. D.PopmusicinBritainisquitedifferentfromthatintheUS. 3.Whenisalcoholnotabletogeteasily? A.At900p.m. B.At1000p.m. C.At1100p.m. D.At1200p.m. 4.Whichofthefollowingistrueaccordingtothepassage? A.Youhavetopaytovisitthemuseums. B.It'sverycheaptotravelbytaxithere. C.YoucannotfindChinesefoodthere. D.Thepublictransportispoorthere.
下列运算正确的是
IwastenwhenIfirstsatwithmygrandmotherbehindthecashier收银台inhergeneralstore.1Iquicklylearnedtheimportanceoftreatingcustomerspolitelyandsayingthnakyou. AtfirstIwaspaidincandy.2Iworkedeverydayafterschoolandduringthesummerandonweekendsandholidaysfrom8a.m.to7p.m.Myfatherhelpedmesetupabannkaccount.3 BythetimeIwas12MygrandmotherthoughtIhaddonesuchagoodjobthatthepromotedmetosellingcosmetics化妆品.Idevelopedtheabilitytolookcustomersdirectlyintheeye.EventhoughIwasjustakidwomenwouldaskmesuchthingsasWhatcolordoyouthinkIshouldwear?Itookarealinterestintheirquestionsandwasabletotranslatewhattheywantedintomakeup化妆ideas.4 Thejobtaughtmeavaluablelessontobeasuccessfulsalespersonyoudidn'tneedtobeaRocketscientist﹣youneededtobeagreatlistener.5expecttheyareNOlongerwomenpurchasingcosmeticsfrommeinsteadtheyarekidswhotellmewhichtoystheywouldliketoseedesignedanddeveloped. A.LaterIreceived50centsanhour. B.Beforelongsheletmesirtherebymyself. C.Iendedmysellingarecordamountofcosmetics. D.TodayIstillcarrythatlessonwithmeIlistentocustomers. E.Mygrandma'strusttaughtmehowtohandleresponsibility. F.SoonIfoundmyselflookingmorebeautifulthaneverbefore. G.WatchingmymoneygrowwasmorerewardingthananythingIcouldhavebought. 1. 2. 3. 4. 5.
Yourhousemayhaveaneffectonyourfigure.Expertssaythewayyoudesignyourhomecouldplayaroleinwhetheryoupackonthepoundsorkeepthemoff.Youcanmakeyourenvironmentworkforyouinsteadofagainstyou.Herearesomewaystoturnyourhomeintopartofdietplan. Openthecurtainsandturnupthelights.Darkenvironmentsaremorelikelytoencourageovereatingforpeopleareoftenlessself﹣consciouswhenthey'reinpoorlylitplaces﹣andsomorelikelytoeatlotsoffood.Ifyourhomedoesn'thaveenoughwindowlightgetmorelampsandfloodtheplacewithbrightness. Mindthecolors.Researchsuggestswarmcolorsfuelourappetites胃口.Inonestudypeoplewhoatemealsinablueroomconsumed消耗33percentlessthanthoseinayelloworredroom.Warmcolorslikeyellowmakefoodappearmoreappetizingwhilecoldcolorsmakeusfeellesshungry.Sowhenit'stimetorepaintgoblue. Don'tforgettheclock﹣﹣﹣ortheradio.Peoplewhoeatslowlytendtoconsumeabout70fewercalories卡路里permealthanthosewhorushthroughtheirmeals.Beginkeepingtrackofthetimeandtrytomakedinnerlastatleast30minutes.Andwhileyou'reatitactuallysitdowntoeat.Ifyouneedsomehelpslowingdownturnonrelaxingmusic.Itmakesyoulesslikelytorushthroughameal. Downsizethedishes.Bigservingbowlsandplatescaneasilymakeusfat.Weeatabout22percentmorewhenusinga12﹣inchplateinsteadofa10﹣inchplate.Whenwechoosealargespoonoverasmalleronetotalintake摄入jumpsby14percent.Andwe'llpourabout30percentmoreliquidintoashortwideglassthanatallskinnyglass. 25.Thetextisespeciallyhelpfulforthosewhocareabout. A.theirhomecomforts B.theirbodyshape C.housebuying D.healthydiets 26.Ahomeenvironmentinbluecanhelppeople. A.digestfoodbetter B.regaintheirappetites C.burnmorecalories D.reducefoodintake 27.Whatarepeopleadvisedtodoatmealtimes? A.Fatquickly. B.Playfastmusic. C.Usesmallerspoons. D.Turndownthelights. 28.Whatcanbeasuitabletitleforthetest? A.IsYourHouseMakingYouFat? B.WaysofServingDinner C.EffectsofSelf﹣Consciousness D.IsYourHomeEnvironmentRelaxing?
6分NingZetaohasbecomeChina'snewswimmingstarduetohisamazingperformanceatthe2014AsianGamesinIncheon仁川SouthKorea.Withalreadytwogoldmedalsinhandthe21﹣year﹣oldclocked47.70secondsinthe100mfreestylesettinganewAsianrecord.ThisresulthasbeenrecognizedbyFINAastheworld'sthirdbesttimethisyearfastenoughtohavewonagoldmedalinlastyear'sBarcelonaWorldChampionships.ItismyfirstinternationaleventsaidNingwholaterwonafourthgoldmedalinIncheon.Iamhappythatmyresultsareprettyclosetomypersonalbest. BorninthecentralChinesecityofZhengzhouNingenteredthelocalteamattheageof11andjoinedthenavyteamin2007.Hefirstcaughtpeople'sattentionin2009whenhefinishedeighthinthe200mindividualmedley混合泳attheNationalGames. NeverthelessNingsufferedfromboneinfectioninbothkneesforalongtimewhichmadehimunabletotrainhardonhiskicks.Healsohadanindigestionproblemandhadtoeatsoftfoodwhichiseasytodigest.Hispoorstomachevenmadeitimpossibleforhimtocompleteweek﹣longfulltimetraining.Buttheyoungswimmernevergivesup.HisidolisthegreatRussianswimmerAlexanderPopovwhocontinuedtowinOlympicgoldmedalsafterhewasstabbed刺伤onastreet.NingsaidHewasarealfighterandIneedtolearnfromhim. TakenbettercareofbycoachesanddoctorsNingcannowtrainasnormallyasothers.Andthatiswhyhecangettoday'sachievements.ThegoldmedalsattheAsianGamesalsoboostedtheconfidenceofthenewswimmingstarwhohopestoenterthenationalteamandcompeteforChinainmoreinternationalevents.Chinesemaleswimmershaveneverbeenplacedamongtopeightintheshort﹣distancefreestylehesaid.IhopeIcandoitjustlikewhatSunYangdidinthemid﹣longdistancefreestyle. 1.Thebesttitlecouldbe. A.NingZetaoaworldfamousswimmer B.NingZetaoapromisingrisingstar C.NingZetaoastrong﹣willedsoldier D.NingZetaoaworldgoldmedalist 2.Wecanlearnfromthepassagethat. A.theresultsNinggotinIncheonarehisbest B.Ningisgoodatboth100mand200mfreestyle C.NingbrokeanAsianrecordatthe2014AsianGames D.Ninghasalreadygot5goldmedalsintheinternationalevent 3.Itcanbeinferredfromthepassagethat. A.somehealthproblemshavelittleeffectonNing'straining B.beingwellcaredofisthemainreasonforNing'sachievements C.theChineseswimmershavenevergotintothetopeighthintheworldevent D.goldmedalistasNingisheisnotyetamemberofNationalSwimmingTeam
ChooseYourOne﹣DayTours TourA﹣Bath&StonchengeincludingentrancefeestotheancientRomanbathroomsandStonehenge﹣￡until26Marchand￡39thereafter. Visitthecitywithover2000yearsofhistoryandBathAbbeytheRoyalCrescentandtheCostumeMuseum.Stonehengeisoneoftheworld'smostfamousprehistoricmonumentsdatingbackover5000years. TourB﹣Oxford&StratfordincludingentrancefeestotheUniversityStMary'sChurchTowerandAnneHathaway'shouse一32until12Marchand36thereafter. OxfordIncludesaguidedofEngland'soldestuniversitycityandcolleges.Lookoverthecityofdreamingspires尖顶formStMary'sChurchTower.StratfordIncludesaguidedtourexploringmuchoftheShakespearewonder. TourC﹣WindsorCastle&HamptonCourtincludingentrancefeestoHamptonCourtPalace﹣﹣£34untilMarchand£37thereafter. IncludesaguidedtourofWindsorandHamptonCourtHenryMill'sfavouritepalace.FreetimetovisitWindsorCastleentrancefeesnotincluded.With500yearsofhistoryHamptonCourtwasoncethehomeoffourKingsandoneQueen.Nowthisformerroyalpalaceisopentothepublicasamajortouristattraction.Visitthepalaceanditsvarioushistoricgardenswhichincludethefamousmaze迷宫whereitiseasytogetlost! TourD﹣CambridgeincludingentrancefeestotheTowerofSaintMarytheGreat﹣£33.until18Marchand£37thereafter. IncludesaguidedtourofCambridgethefamousuniversitytownandthegardensofthe18thcentury. 33.WhichtourwillyouchooseifyouwanttoseeEngland'soldestuniversitycity? A.TourAB.TourBC.TourCD.TourD 34.Whichofthefollowingtourschargesthelowestfeeon17March? A.WindsorCastle&HamptonCourt. B.Oxford&Stratford C.Bath&Stonehenge. D.Cambridge. 35.WhyisHamptonCourtamajortouristattraction? A.Itusedtobethehomeofroyalfamilies. B.Itusedtobeawell﹣knownmaze C.ItistheoldestpalaceinBritain D.Itisaworld﹣famouscastle.
函数y＝中自变量x的取值范围是
JeanDriscollcangofasterinherwheelchairthantheworld'sbestmarathoners马拉松运动员canrun! InAprilJeanfinishedtheBostonMarathonin1hour34minutes22seconds.That'sabout33minutesfasterthanthewinningmalerunner!Shecompetedonthetracktoo.Shewassecondinthe800meterwheelchairraceatthe1992Olympics. Jeandoesn'tliketobetoldshe'sbrave.I'minsportsbecauseI'macompetitiveperson!Jeanwasbornwithspinabefida脊柱裂abirthillnessthatdamagesthespine脊椎.Shebegantouseawheelchairtogetaroundinhighschool.Thenshetriedwheelchairraceandwasamazed.PlayerscrashedintoeachotherandfelloutoftheirchairsshesaysItwasfun. Jeantriedotherwheelchairsports.AttheUniversityofIllinoisherwheelchairbasketballteamwontwonationaltitles. NowJeancoachesandteaches.Shetriestogetpeopletosetgoals.WhenIsignmyautograph亲笔签名saysJeanIwritedreambigandworkhard. 1.WhatmadeJeantakepartinsports? A.Shewasbrave. B.Shewascompetitive. C.Shewasstrong. D.Shewasdisabled. 2.Whatkindofeducationdidshereceive? A.Highschool. B.Juniormiddleschool. C.Higheducation. D.Primaryschool. 3.WhatisJean'sadviceonhowtosucceed? A.Workhard. B.Hopeforthebest. C.Dreamalot. D.Havegreatwishesandworkhard.
某班七个兴趣小组人数如下566x789已知这组数据的平均数是7则这组数据的中位数是
在△ABC中sinA﹣B＝sinC﹣sinBD是边BC的一个三等分点靠近点B记． 1求A的大小 2当t取最大值时求tan∠ACD的值．
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