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据海关统计，今年第一季度我国外贸进出口总额是70100亿元人民币，比去年同期增长了3.7%，数70100亿用科学记数法表示为（ ）
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假设自2008年第一季度起县级社会消费品零售总额每季度增长10%则2009年第一季度县级社会消费品零
3847
3974
4157
4263
2008年我国第一季度社会消费品零售总额统计表单位亿元 2007年3月批发和零售业社会
5499.0
5643.9
8318.0
8717.2
2009年第一季度某市出口总额为45.7亿美元比进口总额的1.5倍少3.2亿美元2009年第一季度该
国家外汇管理局公布的2014年第一季度我国国际收支平衡表显示一季度我国经常项目顺差431亿元资本和金
2011年第一季度中国进出口总值8003亿美元比去年同期增长29.5%其中出口3996.4亿美元同比
说明受人民币升值和国内市场通胀的影响，我国产品在国际市场上优势全失
表明我国对外贸易总体已经实现了收支平衡
说明中美双方在汇率问题上的摩擦暂时解决
是中国转变经济发展模式的大势所趋，有利于加快贸易结构调整和优化
2011年一季度全国房地产开发投资8846亿元同比增长34.1%其中商品住宅投资6253亿元．
2010年第一季度房地产开发企业本年资金来源不到15000亿元
2011年第一季度北京市各类商品房销售面积较上年同期均有所下降
2010年第一季度房地产开发企业本年资金来源中国内贷款是利用外资的40倍
2010年第一季度北京市商业及服务业等经营性用房销售面积超过32万平方米
2016年第一季度某市出口总额为45.7亿美元比进口总额的1.5倍少3.2亿美元2016年第一季度该
2011年第一季度中国进出口总值8003亿美元比去年同期增长29.5%其中出口3996.4亿美元同比
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据国家统计局统计2006年第一季度国内生产总值约为43300亿元用科学记数法表示43300亿元是亿
2008年我国第一季度社会消费品零售总额统计表 单位亿元 假设自2008年第一季度
3847
3974
4157
4263
2011年4月根据海关总署发布的数据显示2011年第一季度在我国进出口贸易中出现了
逆差
顺差
停滞
倾销
海关总署12月8日公布1至11月我国外贸进出口情况据海关统计今年前11个月我国进出口总值23.95万
20%
30%
40%
50%
假设某期货交易所截至2009年第一季度末已缴纳的期货投资者保障基金总额为7.9亿元该期货交易所200
经中国证监会、财政部批准，可以暂停缴纳保障基金
若不含代扣代缴期货公司的保障基金后续资金，那么2007年第一季度应缴纳的保障基金后续资金的金额为450万元
若不含代扣代缴期货公司的保障基金后续资金，那么2007年第一季度应缴纳的保障基金后续资金的金额为90万元
若不含代扣代缴期货公司的保障基金后续资金，那么2007年第一季度保障基金总额达到7.9亿元
2015年第一季度中国和一带一路国家的贸易总额达到2360亿占中国外贸进出口额的四分之一以上
据报道2000年一季度我国对外贸易进出口总额达980亿美元比1999年同期增长40%其中出口增长39
今年第一季度我国增值税消费税比上年同期增收3.07×1010元也就是说增收了
30.7亿元
307亿元
3.07亿元
3070亿元
2008年我国第一季度社会消费品零售总额统计表单位亿元 假设自2008年第一季度其县级
3847
3974
4157
4263
2011年第一季度中国进出口总值8003亿美元比去年同期增长29.5%其中出口3996.4亿美元同比
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2008年我国第一季度社会消费品零售总额统计表 单位亿元 2007年3月批发和零售
5499.0
5643.9
8318.0
8717.2
假设自2008年第一季度起县级社会消费品零售总额每季度增长10%则2009年第一季度县级社会消费品零
3847
3974
4157
4263
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青海盛产高原野生菌有的口味鲜美营养丰富有的含有一种麦角甾醇类毒素C29H46O不能食用．关于该毒素说法正确的是
8分YouarriveontimeattheSmith'shousetobabysitthree﹣year﹣oldMax.WhenMrs.SmithinvitesyouintothehouseyoufindMaxsittingonthefloorwithanipad.Youlookaroundforabookandthenyourealizetheipadisteachinghimhowtoreadthroughaseriesofsongsandgames.MrsSmithlooksasthoughshecouldn'tbeprouderofhersonforplayingsucheducationalgames. Technologyisbecomingmoreimportantinoureverydaylives.FromplayingagametoaskingSirfordirectionstoarestaurantwearedependingheavilyonourhandhelddevice.CompaniessuchasFisher﹣priceandOpensolutionsaremakingappssuchasLaughandLearnBabyHearandReadandBaby'sFirstPuzzle.Theseappsaremarketedtoparentsandtheirbabies.Somecompaniessaythattheirappswillhelpthebabylearntoreadwhileotherspromiseskillssuchasidentifyingshapesandsounds.Manyparentssaythatthesegameshavehelpedtheirchildrenalot. RecentlythecampaignforaCommercial﹣FreeChildhoodaBoston﹣basedgrouphasbeenaccusingcompanieswhomakethesesupposedlyeducationalgamesoffalseadvertising.Thecampaignbelievesthatthesegamesaredoingverylittletoimprovetheeducationofyoungchildren. Whatbabiesneedforhealthybraindevelopmentisactiveplayhand﹣onscreativeplayandface﹣to﹣faceinteraction.saysSusanLinnthegroup'sdirector.ThismeansthatwhenyouarebabysittinglittleMaxyoushouldplayboardgameswithhimorgamesthatrequirehimtousehisownimagination.Thiswillhelphimtolearnnotonlyskillsthatthegamesteachhimbuthewilllearnsocialskills.TheAmericanAcademyofPediatricsagreeswithLinndiscouraginganyelectronictimeforbabiesunder2whileolderchildrenshouldbelimitedtoonetotwohoursaday. 32.WecanlearnthatmanyparentsthinktheappssuchasLaughandLearnare A.dulltouse B.complextooperate C.expensivetobuy D.beneficialtopossess 33.WhichofthefollowingmaySuanLinnagreewith? A.Theipadwillsoontaketheplaceofbabysitters. B.Baby'sFirstPuzzleisagoodchoiceforparents. C.Babiesshouldstayawayfromtheselearningapps. D.TheappsfromFisher﹣Pricecanteachchildrenalot. 34.Whatababysitterreallyneedstodoisto. A.buymoreeducationalappsfrommarkets B.turntoCommercial﹣FreeChildhoodforhelp C.createmoreactivitiesthatchildrencantakepartin D.encouragemorekidstodiscovermoreelectronicgames 35.Whichofthefollowingcanbethebesttitleofthepassage? A.Funeducationalappsforeducation B.LearningappsDotheyreallyhelp? C.Ismoderntechnologyimprovingourlives? D.ThecampaignforaCommercial﹣FreeChildhood.
在盛有水的烧杯中分别加入下列物质形成溶液的过程中温度下降的是
下列滴管使用图示正确的是
分析推理是学习化学的重要方法之一下列推理错误的是
30分Whenlwasthreeyearsoldmyparentsdiscoveredlwastotallydeaf.After41withmanyeducationalexpertstheymadea42thatwouldforeverchangemyfuture.Insteadofsendingmetoaprivateschoolforthe43theydecidedtomainstreamme.Allofmy44andteacherswouldhavenormalhearing. SinceIstartedgoingthere1was45bytheotherkidsbecauseofmyhearingaidandthewayI46.Iexperiencedgreatanxietythroughouttheschool.Inadditiontotheproblemsof47withtheotherstudents1als048withmostofmyschoolwork.Theteachersdidn'tshowmuchinterestinanyofmyrareachievements.49Mrs.Jordanmy5thgradeteacherchangedallofthatwitha50three﹣wordphrase.Onemorningsheaskedtheclassaquestion.151herlipsandimmediatelyraisedmyhand.lcouldn'tbelieveit﹣foronceIknewtheanswer.Itookadeepbreathand52answeredherquestion. 1willneverforgetwhathappenednext.Herresponse53a110fus.Mrs.Jordanenthusiasticallyturnedher54inafullcircleuntilitpointeddirectlyatme.Withsparklingeyesanda55smileshecriedTHAT'SRIGHTSTEPHEN! Forthefirsttimeinmyyounglife1wasaninstantstar.Myheart56withPrideIsatalittle57inmychairandmyconfidenceincreasedlike58before.Asimplethree﹣wordphrasetotally59myyounglife.THAT'SRIGHTSTEPHEN!Fromthenonmygradesimproveddramatically.Mypopularityamongmypeersincreasedandmyoutlookonlifedidacomplete60. 41.A.dealing B.experimenting C.consulting D.comparing 42.A.decision B.survey C.mistake D.comment 43.A.blind B.deaf C.rich D.young 44.A.friends B.relatives C.patients D.schoolmates 45.A.caredfor B.laughedat C.calledup D.spokenof 46.A.learned B.walked C.talked D.hoped 47.A.comingup B.fittingin C.puttingup D.keepingup 48.A.disagreed B.quarreled C.struggled D.improved 49.A.Even B.Or C.So D.But 50.A.simple B.regular C.strange D.modest 51.A.opened B.touched C.moved D.read 52.A.fortunately B.suddenly C.nervously D.naturally 53.A.surprised B.delighted C.confused D.frightened 54.A.leg B.finger C.ear D.nail 55.A.slight B.wide C.false D.faint 56.A.burst B.broke C.filled D.hit 57.A.quieter B.deeper C.taller D.lighter 58.A.ever B.never C.past D.some 59.A.reflected B.discovered C.introduced D.transformed 60.A.attempt B.delay C.battle D.turnabout
15分TheGreaterChinaregionhasbecomeakeyengineroomofthe61growofAustraliantourismtheseyearsandChinamainlandhasmade62greatcontributionofabout4billionAustraliandollars63Australiantourism. ChinesetouristswillfeelathomeinAustralia64therearemanyChinesemigrantsandtherearemanyChinaTownsinmanycities.Chinesedietlanguageandculturehaveadeepand651asteffectonAustralianlifeandmanyAustralianshavebeenusedto66havedinnerinChineserestaurantsonceaweek. TheincreaseinChinesevisitorarrivalshashelpedthetourismindustrymakeupfornotonlyadeclineinvisitorsfromWesternEurope67alsoholidaymakersinAustralia. ItispredictedthatthenumberofChinesetourists68pass600000thisyearwiththeChinesetourists69continuetoarriveinAustralia.Australiantourismdepartmentsaysthattheyhavenottakenmeasurestomakethedemandandneedtomeetas70quickaspossible.
饺子是中国传统食品小丽周末回家观察了妈妈包饺子的全过程发现许多与化学知识有关的问题． 1包饺子所用的原料面粉水食盐芹菜大葱植物油牛肉．其中芹菜富合的营养素是牛肉富含的营养素是 2煮饺子的水是硬水还是软水可用进行检验．日常生活中常用的方法降低水的硬度． 3煮饺子用的不锈钢锅是一种制品它具有良好的抗腐蚀性． 4饭后用洗涤灵清洗碗筷利用了洗涤灵的作用．
元素周期表是学习和研究化学的重要工具．溴元素的相关信息如图1所示回答下列问题 1溴的相对原子质量是． 2溴元素的化学性质与图2哪种元素的化学性质相似填序号． 3若图2中C表示原子的结构则X＝．
实验桌上准备了下列仪器和药品． 回答下列问题 1标号为C的仪器名称是 2制取和收集氧气所用的仪器有填标号反应的化学方程式为 3氧气的验满方法是 4该气体发生装置还可以制取其它常见气体．请写出利用该装置制取另一种气体的化学方程式
现有反应2CuNO322CuO+O2↑+4X↑则X的化学式为
8分HarryPotterandTheHungerGameshaven'tbeenbighitsfornothing.Lotsofteensandadolescentsstillreadquitealot.Butastudyshowsacleardeclineovertime.Nearlyhalfof17﹣year﹣oldssaytheyreadforpleasurenomorethanoneortwotimesayearandthat'swaydownfromadecadeago. Thedigitalrevolutionmeanstherearemoreplatformsthanevertoreadon.JimSteyerhasbeenstudyingtheeffectoftechnologyonchildrenandhefindstheresultsstriking.Steyerhasfourkidsandhasseenthetrendmostwithhis16﹣year﹣old. Istarttoseeitinour10﹣year﹣oldbecauseheislessandlessreadingandmoreandmoreattractedtosomeofthedigitalmediaplatformsthathehasaccessto.hesays. Researcherswanttoknowmoreabouthowteensarespendingtheirtimeinthedigitalage.ButKathrynZickuhrofthePewResearchCentersaysit'stricky.Ifakidislookingatabookyoucanassumeheorsheisreading.Butwhenitcomestolookingatasmartphoneortabletwhoknows? We'veheardfrommiddleandhighschoolteachersthatsometimestheInternetiswonderfulforhighlymotivatedstudentstododeepandexpansiveresearchsaysZickuhr.Butontheotherhandobviouslytherearemanydistractions干扰ontheInternet. Despitethosedistractionsparentscandoalottopromotereading.Kidswithparentswhoreadwhobuyortakebooksoutofthelibraryfortheirkidsandwhothensettimeasideintheirkids'dailyscheduleforreadingtendtoreadthemostwhetherit'sonabookane﹣bookorsomeotherdevices.JimSteyersays. 29.WhatdoesJimSteyerseeinhisfourkids? A.Theybecomeaddictedtomagicnovels. B.Theyreadforpleasuremorefrequently. C.Theyspendtoomuchtimeonelectronicdevices. D.TheygettheirreadingabilityimprovedontheInternet. 30.AccordingtoKathrynZickuhr. A.itiseasytoknowwhetherakidisreadingonatablet B.kidsaremakingthebestoftheInternetintheirstudy C.theInternetisaneffectivemotivationtoreading D.theInternetcaneasilygetstudentsunfocused 31.Accordingtothelastparagraphthekeytohelpingkidstoreadmoreis. A.theInternetB.parentsC.digitaldevicesD.scientists 32.Whichofthefollowingquestionsisthepassageintendedtoexplain? A.Howdoparentsgetteensoutofdigitalmedia? B.Whatcanbedonetohelpkidstoreadforfun? C.Whyareteensreadinglessthanbeforeindigitalage? D.Whyisreadingforpleasurebeneficialtokids?
学习合金知识后知道了不锈钢中含有金属铬．某同学想铬与常见铁铜相比其金属活动性强弱如何呢于是和同学们一起进行了以下探究． 【查阅资料】①铬是银白色有光泽的金属在空气中像铝一样其表面能产生致密的氧化膜②能与稀硫酸反应生成硫酸亚铬CrSO4． 【知识回顾】金属活动性顺序KCaNaMgAlZnSnPbHHgAgPtAu在横线上填写对应金属的元素符号 【作出猜想】猜想①Cr＞Fe＞Cu猜想②Fe＞Cu＞Cr猜想③． 【设计与实验】①张明同学取大小相等的铁铜铬三种金属片未经打磨就分别放入等量等浓度的稀硫酸中记录如下 ②李红同学也取大小相等的铁铜铬三种金属片先用砂纸打磨后再分别放入等量等浓度的稀硫酸中记录如下 【讨论交流】为什么张明和李红两个同学记录的铬与稀硫酸反应开始的现象截然不同原因是． 【实验验证】为了进一步确认铁铜铬三种金属的活动性强弱刘斌同学将打磨过的两块铁片分别放入硫酸亚铬CrSO4溶液和硫酸铜溶液中观察到在硫酸亚铬溶液中无明显现象而在硫酸铜溶液中有明显的现象是其反应的化学方程式是． 【拓展迁移】写出铬与稀硫酸反应生成CrSO4的化学反应方程式．
8分WhenIwas10yearsoldItriedoutforthecheerleadingsquad.Ihadtakengymnasticsclassesfortwoyearstoprepareforthesetryouts.HoweverIdidn'tmaketheteam.Itwasaheavyblowtome.Icriedallnight. Kidstodaywon'texperiencethatkindofrejection.They'regrowingupineverybodygetsaturnworldwhereeverychildgetsachancetokicktheballsingthesongandwintheaward.Butthat'snotalwayssuchagoodthing. Parentshavebecomefearfuloflettingkidsfailthinkingthatourchildrenareeasilyhurtandwillneverrecoverfromanything﹣that'saseriousproblem.Lastweekmy7﹣year﹣olddaughterdidn'tgetintotheschoolplay.AtfirstIwasupsetbyit.Howwouldshereact?WhenIgaveherthenewsIwasreadytohugherandcrywithher.ShelookedatmemadeaslightfaceandsaidThat'stoobad.What'sfordinner? Itclearlywasn'ttheendofherworld.Maybeifweletourkidsexperiencerejectiononceinawhilewe'drealizetheyaremuchstrongerthanwethink.Kidsneedtobeabletohandledisappointmentsdoingsohelpsthemtoprepareforreallife.Mostimportantlyrejectioncarriesthepossibilitynotonlyforgrowthandcanalsomotivatekidstotryharderthenexttime. Rejectionispain.Thereisnowayaroundthat.Howwillourkidseverdiscovertheirtruetalentsifwedon'tletthem?Insteadofcomplainingmaybeweshouldconsiderrejectionanopportunity. 1Theauthorsharedherchildhoodstorywithreadersto. A.showhowherparentsattachedimportancetohereducation B.suggesthowdifficultitwasforhertojoinacheerleadersquad C.introducethetopicofhowtoletkidsfacerejectioninlife D.explainwhychildrenareeasilyhurtintheprocessoftheirgrowth 2Whenfailingtogetintotheschoolplaytheauthor's7﹣year﹣olddaughter. A.feltgreatlydisappointed B.wasupsetaboutit C.criedallnight D.thoughtnothingofit 3Intheauthor'sopinionrejection. A.issomethingthatcanbeavoidedinlife B.isgoodforthegrowthofthechildren C.discourageschildrenfromlearningnewthings D.causeschildrentolosetheirconfidence 4Whatisimportantwhenwefacerejectionaccordingtothelastparagraph? A.Attitude. B.Interest. C.Health. D.Memory.
某化学小组利用数字化传感器探究稀盐酸和氢氧化钠溶液的反应过程测得烧杯中溶液的pH随滴加液体体积变化的曲线如图所示．下列说法错误的是
以下不列入空气质量监测标准的项目是
质量守恒定律的发现对化学的发展做出了重要贡献． 1通过分别称量下列两组试剂在密闭容器内混合前后的总质量能验证质量守恒定律的是填标号a．大理石和稀盐酸b．NaOH溶液和Na2SO4溶液 2在足量氧气中点燃镁条的实验过程中固体质量变化如图一． ①从燃烧条件分析固体质量在t1前没有发生变化的原因是 ②该反应的化学方程式为 ③参加反应的氧气质量为g 3在一定条件下A和B反应生成C微观示意图如图二．回答下列问题 ①一个A分子由个原子构成 ②C分子中原子的质量比NO＝ ③该反应的化学基本反应类型为 ④上述反应中一定发生改变的是填标号 a．元素种类b．原子种类c．分子种类
25分假如你叫李华你的英国网友Jack来信说他要来中国旅游.请你根据下列要求给Jack写一封回信. 1欢迎Jack来华邀请他到家做客. 2询问他是否可以到你的班级来做一个演讲介绍英国文化. 3给他提一点中国旅游方面的建议. 注意1.词数100左右 2.开头及结尾已给出不计入总词数. DearJack . Yours LiHua.
如图中ABCD是四种常见的物质．其中A是胃酸的主要成分B为最轻的气体C属于盐类是用小苏打治疗胃酸过多症时发生反应的生成物之一D的溶液呈黄色． 1C物质的化学式是． 2写出符合下列转化的化学反应方程式 A→B只写一个 A→D．
8分WhenmydaughterSallywasfiveIboughtGrimm'sFairyTalesandreadSnowWhitetoheronenight.AttheendoftheoriginalGrimmtaleSnowWhite'sstepmotherismadetoputonred﹣hotironshoesanddanceuntilshefallsdowndead. Thiscameassomethingofashock.Ialwaysthoughtfairytaleshadhappyendings.AndIdidn'twantmyfive﹣year﹣olddaughtergoingtosleepthinkingThankgoodnesstheytortured折磨thatoldwomantodeath.That'swhenIdecidedtowritefairytales. IntheyearsthatfollowedIwrotetalesnon﹣stopandreadthemtoSallyatbedtime.TheCornDollywasbasedonachildwhowasalwayscomplainingTheSillyKingwasjustasillystorySallyloved1wroteTheWitchandtheRainbowCatforSallybecauseofherenormousappetiteforstoriesaboutwitcheswhileDrBonocolus'sDevilisanewversionoftheFaustlegend. Nifobobinushoweverwasdifferent.IwrotethisbookwhenSallywasolderandengagedwithallthingsgirlshavetodo﹣who'sfriendswithwhowhostuckastickeronthebackofwhoseboyfriendorwhateverthingshefeltfunny. Nicobobinustheboywhocoulddoanythingcameoutofmydesireforamoreinnocentworld.Heliveda1ongtimeagoinacitycalledVenice.OnlyhisbestfriendRosieknewhecouldandnobodytookanynoticeofanythingRosiesaidbecauseshewasalwayshavingwildideasanyway. Nicobobinuswassodifferentthatitturnedouttobeaninstanthit.TheTimescalledmeanauthorsettingouttorivaltheclassicfairytales.IaskedSallywhatshethoughtofNicobobinus.Shesaiditwasherfavourite. 21.Whatledthewritertostartwritingfairytalesforherdaughter? A.Hisdaughter'sstronginterestinfairytales. B.Thefrighteningendsofpastfairytales. C.Hisdesiretolethisdaughterknowmorestories. D.Hisattempttofillhisdaughter'sbedtimewithsomething. 22.Wecaninferfromthethirdparagraphthatthewriter. A.wasaveryproductivefairytalewriter B.createdhisstoriesoutofhisowninterest C.basedallhisstoriesonsomeoldlegends D.neverdescribedwitchesinhisfairytales 23.WhencreatingNicobobinusthefirstthingthewriterconsideredwas. A.whatstorythepublisherwantedtoget B.thedifferenceofthestoryfromotherstories C.properwaystokeephisdaughterSallyinnocent D.theshiftsofhisdaughter'sinterests 24.Theunderlinedwordrivalinthelastparagraphcanbereplacedby. A.followB.explore C.challengeD.recommend.
规范实验操作是获得实验成功的重要保证．下列化学实验操作正确的是
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. Childhoodisatimewhentherearelittleduties.Ifachildhasgoodparentsheisfedlookedafterandlovednomatterwhenhemaydo.It'simpossibleforhimtobegivensuchmuchagaininhislaterlife.Butachildisnotsofreetodoashewishesit.Heiscontinuallybeingtoldnottodothisnottodothatorbeingpunishedforwhathehaddonewrong. Whentheyoungmanstartstomaketheirownlivinghebecomesfreefromtherulesofschoolandparents.Thereforehecannolongerexpectotherstopayhisfoodhisclothesandhisroom.Hehastoworkhardtolivecomfortable.Ifsohecanhavethegreathappinessofbuilduphisownpositioninsociety.
10分PositiveThinkingCanTransformYourHealth Ouremotional情感worldhasaremarkablepowertodeterminenotonlyourmentalhealthbutalsoourphysicalwell﹣being.Andagrowingbodyofresearchinpsychologymedicineandpublichealthisdisplayingthehealthbenefitofpositiveemotionsandtheireffectonphysicalhealth.36. 1.Optimismmayprotecttheheart. Accordingtoa2012reviewofliteratureanumberofstudieshaveshownthatpeoplewithoptimisticpersonalitiesareatareducedriskoftheheartattack.37suchasimprovedimmunesystemfunctionandincreasedlifespan. 2.Compassionandcareforotherscanimprovenervefunction. Compassionalovingconcernforthewell﹣beingofotherscanmakeusfeelpositiveandmayimproveourphysicalhealth. PositivepsychologistBarbarahasconductedresearchontheeffectsoflovingkindnessmeditation沉思atraditionalreligiouspracticethatinvolvesmeditatingonloveandextendingcompassiontooneselfandothers.38whichextendsfromthebraintothehearthelpingtoregulateemotionsaswellasbodilysystems 3.39. Likeoptimismanattitudeofgratitudeappreciationandfeelingofthankfulnessfortheblessingsonehasinlifecarriessignificantmentalandphysicalhealthbenefits.Gratefulnesslikeoptimismhasbeenlinkedwithimprovedimmunehealthandhasalsobeenshowntoimprovesleepquality. 4.Self﹣compassionimproveshealth﹣relatedbehaviors. 40.A2013studyfoundthatself﹣compassionatepeoplesoughtmedicalattentionsoonerthanpeoplewhowerelackinginself﹣compassion.Self﹣compassionatepeoplealsotendedtobelessdepressed. A.Optimism'sbenefitsforphysicalhealthalsoextendbeyondhearthealth B.Therearemanykindsofmethodstomakeusfeelpositive C.Herearefourpositiveemotionstoimprovephysicalhealthandpreventdisease D.Researchersfindthepracticecanhaveapositiveimpactonthenerve E.Peoplewhocultivatekindnesstowardsthemselvesarealsokindertotheirbodies F.Gratitudemayalsobenefithearthealthandimmunesystemfunction G.Thosewhoarekindtoothersareeasiertofeelrelaxed.
下列物质属于纯净物的是
ae三种固体物质的溶解度曲线如图所示 1P点表示． 2将接近饱和的c溶液变为饱和溶液可采用的方法写出一种． 3t2℃时将30g的a物质加入到50g水中充分搅拌所得溶液质量为g．
下列过程中只发生物理变化的是
市场上有“含铁酱油”“高钙牛奶”等商品这里的“铁钙”指的是
下列古代工艺或技术应用中一定含有化学变化的是
除去下列物质中的杂质所选试剂及操作方法错误的是
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