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某商场举行优惠促销活动，顾客仅可以从以下两种优惠方案中选择一种， 方案一：每满200元减50元： 方案二：每满200元可抽奖一次．具体规则是依次从装有3个红球、1个白球的甲箱，装有2个红球、2个...
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高二下学期数学《》真题及答案
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为庆祝某商场开业商场推出两种购物方案方案一非会员购物所有商品价格可获得九折优惠方案二如交纳500元会
2018年元旦某商场将甲种商品降价40%乙种商品降价20%开展优惠促销活动.已知甲乙两种商品的原销售
某商场购进甲乙两种服装后都加价40%标价出售春节期间商场搞优惠促销决定将甲乙两种服装分别按标价的八
五一期间某商场搞优惠促销决定由顾客抽奖确定折扣某顾客购买甲乙两种商品分别抽到七折按售价的70%销售和
某商场举行开业酬宾活动设立了两个可以自由转动的转盘如图所示两个转盘均被等分.并规定顾客购买满188元
某商场购进甲乙两种服装后都加价40%标价出售春节期间商场搞优惠促销决定将甲乙两种服装分别按标价的八折
国庆期间人民商场搞优惠促销活动决定由顾客抽奖确定折扣某顾客购买甲乙两种商品分别抽到七折和九折共付款
元旦假日期间某商场对某款商品进行促销活动买100减30持有该商场会员卡 的顾客在此基础上还能再享受9
直接营销
人员销售
销售促进
广告
某商场采用满300送100的办法来促销办法是这样的购物满300元赠送100元礼券不足300的部分略去
九五折
九折
八五折
八折
五一假日期间某商场对某款商品进行促销活动买100减30 持有该商场会员卡的顾客在此基础上还能再享受9
广告
公共关系
人员推销
销售促进
某商场在五一期间举行促销活动根据顾客按商品标价一次性购物总额规定相应的优惠方法①如果不超过500元则
某商场在五一期间举行促销活动根据顾客按商品标价一次性购物总额规定相应的优惠方法:①如果不超过500元
某商场举行优惠促销活动顾客仅可以从以下两种优惠方案中选择一种 方案一每满200元减50元 方案
某商场购进商品后加价40%作为销售价．商场搞优惠促销决定由顾客抽奖确定折扣．某顾客购买甲乙两种商品
200元，150元
210元，280元
280元，210元
150元，200元
在3•15活动期间人民商场进行促销活动顾客购物有两种优惠方式1打八折出售2购物满200元送100元购
某商场购进甲乙两种服装后都加价40%标价出售春节期间商场搞优惠促销决定将甲乙两种服装分别按标价的八折
某商场在北京奥运会比赛期间举行促销活动并设计了两种方案一种是以商品价格的九五折优惠的方式进行销售一种
某商场在五一期间举行促销活动根据顾客按商品标价一次性购物总额规定相应的优惠方法①如果不超过500元则
某商场购进商品后均加价10%作为销售价．现商场搞优惠促销活动决定由顾客抽奖确定折扣．某顾客购买甲乙
某商店举行促销优惠活动当天到该商店购买商品有两种方案方案一用99元购买会员卡成为会员后凭会员卡购买商
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共享单车方便了市民出行更成为街头一道亮丽的风景．如图所示王叔叔每天骑共享单车上班取车时他用手机摄像头扫描共享单车的二维码后单车自动开锁．下列说法正确的有
已知如图在坡顶A处的同一水平面上有一座古塔BC数学兴趣小组的同学在斜坡底P处测得该塔的塔顶B的仰角为45°然后他们沿着坡度为12.4的斜坡AP攀行了26米在坡顶A处又测得该塔的塔顶B的仰角为76°．求 1坡顶A到地面PO的距离 2古塔BC的高度结果精确到1米． 参考数据sin76°≈0.97cos76°≈0.24tan76°≈4.01
夏天很热时我国很多城市常启用喷雾除尘车来缓解暂时的闷热如图所示．该车的工作原理是将水净化后通过__撞击进行雾化处理当水雾在空气中填物态变化名称时会周围空气的热量从而达到降温的效果．
“广场舞”近期在各地频频引发争论因其响声震天干扰了居民的正常生活从物理学的角度讲“响声震天”是指声音的大针对这种现象宜春鼓楼社区居民在跳广场舞时用无线耳麦取代大喇叭既不耽误锻炼也除去了扰民的烦恼这种减弱噪声的途径是从减弱的．
Whatcanmakeyouhappy?Aniceholidayonbeach?Maybeabigmealwithfriendsatanexpensiverestaurant?Orpossiblyspendingmoneyonapairofthelatestdesignerjeans?Allthesepleasurescostmoney.Sodoesthatmeanweneedlotsofcashtofeelgoodordoestheoldsayingmoneycan'tbuyhappinessstillprovetrue? ThissayinghasbeenputtothetestbyresearchersinCanada.Theyfoundthatwhenusedintherightwaymoneycanbringushappiness.Theydiscoveredthatwhenyouusemoneytofreeuptimebypayingsomeonetodoyourworkyouarehappier.Inanexperimentpeoplereportedhigherlifesatisfactioniftheyusedmoneytosavetimeratherthanspenditonmaterialgoodssuchasanewpairofshoes.Butsurprisinglytheresearchersfoundthatonlylessthanathirdofpeopleusedtheirmoneytobuytimeeachmonth. Inourbusylivesweareshortoftime.Peoplegetstressedoverthedailydemandsontheirtime.Psychologistssaythatstressoverlackoftimecauseslowerhappinessandcontributestoanxietyandsleeplessness.Butasincomesarerisingthereisachoicetobuytime. Thiscanbethroughhiringacleanertocleanyourhouse﹣﹣﹣givingusvaluableextrahourstodothethingswewanttodo.Andinmanyforward﹣thinkingcompaniesemployeesaregiventhechancetobuymoretimeoffworkorworkflexibly. Ineverdoubtthatbuyingmoretimemakesmefeelhappierandmorerelaxed.Butputtingtimeinthefirstplaceoverputtingmoneydoescomeataprice.Sometimesthetruthisthatyouhavelesscashtospendonthethingsyounowhavetimetodo.Thenyoumaythinkabouthowtomakeadecision. 1Howdoestheauthormainlyintroducethetopicofthetext? A.Bytellingastory. B.Byusingimagination. C.Byofferingexamples. D.Byraisingquestions. 2WhatisashockinanexperimentcarriedoutbyresearchersinCanada? A.Mostpeoplehadmuchhigherlifesatisfaction. B.Moneycouldbringrealhappinesstopeople. C.Notsomanypeoplespentmoneybuyingtime. D.Moremoneywasspentonmaterialgoods. 3Whatdoestheauthorsuggestpeopledoaboutbuyingtimeatlast? A.Shareitsbenefitswithothers. B.Consideritbeforedeciding. C.Carryitouttogainhappiness. D.Giveitupwhenlackingmoney. 4What'sthebesttitleforthetext? A.CanMoneyMakeUsHappy? B.TimeValuesMoreThanMoney. C.HappinessComesFirstinOurLife. D.ShouldWeSpendMoneyonTime?
为方便学生饮水某学校在各个教室安装了饮水机．如图是饮水机的电路图S是一个温控开关R1为电加热管．当饮水机处于加热状态时水被迅速加热达到100℃后S自动切换到保温状态AB是两种不同颜色的指示灯． 1若红色表示加热绿色表示保温则灯B应为色． 2若饮水机正常工作加热时电加热管的功率为1100W保温时电加热管的功率为44W则电阻R2的阻值为多少不考虑温度对阻值的影响且不计指示灯的阻值 3饮水机的最大容量为1L装满初温为23℃的水后发现过了7min后绿灯亮则这台饮水机的热效率为多少[c水＝4.2×103J/kg℃]
如图所示将一块重力为G体积为V的物块用细线系着浸没在装有水的圆柱形容器内容器中水的深度由h1上升到h2水无溢出容器的重力和容器壁的厚度忽略不计．求答案均用题中物理量符号表示水的密度记为ρ水 1物块的密度 2物块所受浮力 3容器内水的质量．
如图在▱ABCD中AB＝6BC＝8以C为圆心适当长为半径画弧分别交BCCD于MN两点分别以MN为圆心以大于MN的长为半径画弧两弧在∠BCD的内部交于点P连接CP并延长交AD于E交BA的延长线于F则AE+AF的值等于．
某工厂生产一批竹编笔筒该批产品出厂价为每只4元按要求在20天内完成工人小薛第x天生产的笔筒为y只y与x满足如下关系y＝ 1小薛第几天生产的笔筒数量为320只 2如图设第x天生产的每只笔筒的成本是P元P与x的关系可用图中的函数图象来刻画若小薛第x天创造的利润为W元求W与x之间的函数表达式并求出第几天的利润最大最大利润是多少元
函数y＝+中自变量x的取值范围是．
分式方程＝1的解是
如图所示A是悬挂在弹簧测力计下的条形磁铁B是螺线管．闭合开关待弹簧测力计示数稳定后将滑动变阻器的滑片缓慢向右移动的过程中螺线管上端是极弹簧测力计的示数填“变大”“变小”或“不变”．
如图在平面直角坐标系xOy中抛物线y＝﹣x2+x+分别交x轴于A与B点交y轴于点C点顶点为D连接AD． 1如图1P是抛物线的对称轴上一点当AP⊥AD时求P的坐标 2在1的条件下在直线AP上方对称轴右侧的抛物线上找一点Q过Q作QH⊥x轴交直线AP于H过Q作QE∥PH交对称轴于E当▱QHPE周长最大时在抛物线的对称轴上找一点使|QM﹣AM|最大并求这个最大值及此时M点的坐标． 3如图2连接BD把∠DAB沿x轴平移到∠D′A′B′在平移过程中把∠D′A′B′绕点A′旋转使∠D′A′B′的一边始终过点D点另一边交直线DB于R是否存在这样的R点使△DRA′为等腰三角形若存在求出BR的长若不存在说明理由．
如图5个完全相同的小正方体组成了一个几何体则这个几何体的主视图是
OnourwaybackhomefromChristmastoydriveIaskedTommyifhehadanythingtoshare. Idon't1anythingMomheanswered.We'resopoor. Butyou'reneversopoorthatyouhavenothingto2Isaid. ButhowcouldIhelphimunderstand3Imyselfstillcomplainedaboutthe4thingsIcouldn'tafford? Thenextdayoneofmy5handedmeaChristmasgift﹣﹣aboxofchocolates.Shehadbeen6formonths! ThankyouJoannaIsaidtryingtoholdbackthe7asIhuggedher. Ihadn'texpecteda8﹣﹣Iworkatanadulteducationcenterwherewedealwithpeoplewhostrugglefinancially. LookingatmyChristmasgiftIwonderedifithadbeenanofferingoutofa9foodbudgetandIwantedtorefuseit.10IsaidThankyou. WhenIbroughtthecandieshometo11withmyfamilyItoldthemhow12eachchocolatewasifyouthoughtofhowmuchtheunemployedwoman'sfamilymakesayear.Isaidit13understandingmuchbetterYou'reneversopoorthatyouhavenothingtogive. Perhapsthe14Icouldhelpmysonunderstandwasformetounderstandfirst.15Iwenttomybookshelfandchoseseveralofmyfavorite16tosharewiththecenter.WhenIhadthem17Ifoundmysondraggingabasketoftoyshehadplayedwithwhenyounger.Idon'twantthese18thingshesaid. HehadlearnedthewayIhad﹣﹣by19!HereIhadthoughtIwastheteacherbutastudentistheone20meYou'reneversopoorthatyouhavenothingtogive. 1A.need B.have C.hide D.purchase 2A.afford B.appreciate C.expect D.give 3A.but B.until C.when D.though 4A.expensive B.practical C.delicious D.natural 5A.colleagues B.friends C.students D.relatives 6A.outoftouch B.inpower C.incharge D.outofwork 7A.tears B.anger C.curiosity D.desires 8A.gift B.coincidence C.reward D.hug 9A.tight B.perfect C.actual D.wrong 10A.Otherwise B.Instead C.Besides D.Therefore 11A.study B.deal C.experience D.share 12A.nutritious B.precious C.tasty D.inviting 13A.later B.already C.again D.before 14A.opportunity B.time C.way D.importance 15A.Unwillingly B.Immediately C.Curiously D.Frequently 16A.Clothes B.chocolates C.colors D.novels 17A.weighed B.boxed C.stored D.repaired 18A.frightening B.cheap C.dirty D.old 19A.word B.example C.punishment D.praise 20A.remembering B.helping C.teaching D.loving
Duringthepast10yearsdomesticviolencehascaughtwiderpublicattentionthankstomoreexposureofcasesinthenewsmediaandonline.KimLeetheAmericanwifeofLiYangapopularEnglishteacherandfounderoftheCrazyEnglishpostedphotosofherswellingforeheadandbruisingkneesontheSinaWeibomicro﹣bloggingserviceinAugust.LeeaccusedherhusbandofbeatingherinfrontofoneoftheirchildrenandfiledaappealfordivorceinOctober. Itisestimatedthatabout25percentofChinesewomenhavebeenabusedbytheirhusbandsverballyandphysically.TheAll﹣ChinaWomen'sFederationandtheNationalBureauofStatisticsreleasedthefigureonOct21followinganationalsurveyof105573peopleaged18andover. WiththegrowthoflegalconsciousnessmoreandmorepeopleareawarethatChinahasaspeciallawtoprotectwomen'srightsandinterests.Howevermostofthevictimscouldnotprovetheabuseincourtduringdivorcehearingsbecauseevidenceisdifficulttoproduce.Expertssaidthatthelegalsystemdoesnotprotectthevictimseffectively.Previouslawsandregulationsconcerningdomesticviolencearedifficulttopractice. That'swhyourfederationiscallingforanationallawspeciallydevotedtocontaindomesticviolencetoclarifydefinitionsoftheoffensesidentifyresponsibilitiesofrelevantdepartmentsandensurethepowerofpunishmentofviolators违法人员.saidZhenYanvice﹣presidentoftheAll﹣ChinaWomen'sFederation. InspiteofthehardshipsKimLeemadeafirmstatementinalettershewrotetoLiYangandalsosenttotheAnti﹣DomesticViolenceNetworkofChinaLawSociety Imayfailtobringyoutojusticeandyourfamemayprotectyoufromconsequencesforyourbadactions. Iwillnotfail…inmymissiontohelpmillionsofChinesewomengainthelegalprotectionthattheydeserve.Evenifyoubeatheritisimpossibletodefeatthewomanwhonevergivesup. 1WhatcanwelearnaboutKimLeefromParagraph1? A.ShewasattackedbyherhusbandontheSinaWeibomicro﹣bloggingservice. B.ShepostedherphotosontheInternetinordertopromoteTheCrazyEnglish. C.ShewasbeatenbyherhusbandwhensheproposedadivorceappealonOctober. D.Shecouldn'tacceptthatherhusbandbeatherinoneoftheirchildren'spresence. 2Accordingtothepassagewhydoesthelegalsystemnotprotectthevictimseffectively? A.Becauseitishardtogettheviolatorsofdomesticviolencepunishedincourt. B.Becauseitiscommonandnormalforahusbandtobeathiswifewhennecessary. C.BecauseChinadoesn'thaveaspeciallawtoprotectwomen'srightsandinterests. D.Becausemostwiveslovetheirhusbandtoomuchandcanputupwitheverything. 3AccordingtoZhenYanwecaninferthat. A.ZhenYanbelievesthatwomeninChinawillhaveabrightfuture B.theAll﹣ChinaWomen'sFederationisthelargestwomen'sorganization C.there'snospeciallawdealingwithdomesticviolenceinthepresentlegalsystem D.theirorganizationisexperiencedwiththecasesconcerningdomesticviolence 4AccordingtoKimLee'slettermentionedinthepassagewecanconcludethat. A.KimLeeistryingtoensurethatherhusbandwillbepunishedbylaw. B.LiYangwillnottakehisresponsibilitybecauseheissofamous C.Awomancan'tbedefeatedbydomesticviolencebutbylove D.KimLeeisdeterminedtomakesurewomenarelegallyprotected
平昌冬奥会越野滑雪比赛中如图所示运动员图中用小球代替以初速度v沿着凹凸不平的滑道从a点滑到d点的过程中
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. Sharkshadbeenaroundforaverylongtime.Sharksarefishandthereareover400typesofsharksofthatthebiggestisthegreatwhiteshark.Whentheyhavebabiesthebabiesarecallingpups.Sharkslosetheirteethlikehumansandtheydon'tjustlosetheirbabytooth.Theyloseteeththroughouttheirlives.Whenasharklosingatoothatoothfromanotherrowofteethwillmoveintoitsplace.Newteetharealwaysgrowing.Becausemostsharkseatmeatsotheyfeedotheranimals.Sharksmightlookscarybuttheyarenotusuallydangeroustopeople.Peoplearemoredangeroustosharkssincepeoplehuntsharks.Tobesafelythoughitisagoodideatoleavesharksaloneifyouseeit!
如图F为⊙O上的一点过点F作⊙O的切线与直径AC的延长线交于点D过圆上的另一点B作AO的垂线交DF的延长线于点M交⊙O于点E垂足为H连接AF交BM于点G． 1求证△MFG为等腰三角形． 2若AB∥MD求MFFGEG之间的数量关系并说明理由． 3在2的条件下若DF＝6tan∠M＝求AG的长．
王老师给同学们演示了一个电学实验取口香糖锡纸剪成条状将锡纸条带锡的一面的一端接在电池的正极另一端接在电池的负极很快发现纸条中间处开始冒烟起火苗如图所示．这是因为锡具有性将它的两端直接接在电池的正负极就会造成．
如图a∥b点B在直线b上且AB⊥BC∠1＝35°那么∠2＝
已知方程组当m为何值时x＞y
如图若二次函数y＝ax2+bx+ca≠0图象的对称轴为x＝1与y轴交于点C与x轴交于点A点B﹣10则 ①二次函数的最大值为a+b+c ②a﹣b+c＜0 ③b2﹣4ac＜0 ④当y＞0时﹣1＜x＜3．其中正确的个数是
已知an＝1﹣n＝123……定义b1＝a1b2＝a1•a2…bn＝a1•a2…•an则b2019＝．
如图所示当你手握水杯时手和水杯都在空中静止且水杯底所在平面是水平的．下列各对力属于平衡力的是
在△ABC中∠BAC＝90°AC＝AB＝4E为边AC上一点连接BE过A作AF⊥BE于点FD是BC边上的中点连接DF点H是边AB上一点将△AFH沿HF翻折．点A落在M点若MH∥AFDF＝则MH2＝．
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.错误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. DisappointingattheresultoftheexaminationIsatonthesofainsilentafterschool.MyfatherhefoundIwassounhappycometoaskmewhy.Afterlearningthereasonmyfathergavemeasmile.HesaidDon'tallowtheterriblythingsinyourlifetodiscountthepositiveones.Don'tletabaddayormonthoryeartomakeyoufeellikeyouhaveabadlifeinsteadfocusingoneverythingthat'sgoingwrongstartholdingontoallofthethingsthatisgoingright.You'llfeelbettersoon.HeardwhatmyfathersaidIfeltittheshametoactlikethatanddecidedtocheermyselfup.
在图所示的电路中电源电压保持不变．闭合开关S能使电流表A示数变小的操作是
一些脍炙人口的歌曲中蕴含了丰富的物理知识周杰伦的菊花台中的一句歌词这样唱道“北风乱夜未央你的影子剪不断徒留我孤单在湖面成双．”其中的“影子”是由光形成的“湖面成双”是由光形成的．
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