跌倒是我国伤害死亡的第四位原因，是65岁以上老年人中的首要原因。

联合国老年保健原则：独立，参与，照顾，自我实现四种。

精子发生分为增殖期、生长期、成熟期和变形期四个阶段，精母细胞经过减数分裂产生4个精细胞

波特的价值链分析区分了五种基本活动和四种辅助活动，下列各项中属于支持活动的是（　）。

俄罗斯四位杰出的文豪赫尔岑、克雷洛夫、普希金、果戈里分别是多血质、黏液质、胆法质、抑郁质，这表明（）

病毒性结膜炎有自限性，故不存在交叉感染，生活用品型可以混用

下列两图的四条极化曲线中分别代表原电池的阴极极化曲线和电解池的阳极极化曲线的是（）

4.Hereisamodestguidetobecomingasuccessfulremoteemployee,aculminationofwhatI’velearnedalongtheway.Don’tsleepwhereyouwork.Whetherit’sarentedofficespaceoradenconvertedintoahomeofficeoracabininthewoodsforthatmatter,findaspaceawayfromyourbedroomtowork.Question:whichofthefollowingcannotreplace"converted"ina"denconvertedintoahomeoffice"?

8.TheWHO’sroleisonlytoofferadvice.Governmentsthenmaketheirowndecisionsabouthowtheyprotectthemselves.Nonetheless,emergencydeclarationssignalthattheworld’stophealthadvisorybodythinksthesituationisgrave.Question:whatdoes“grave”meanin“theworld’stophealthadvisorybodythinksthesituationisgrave?”

14.ButafterprotractedanddifficultnegotiationswithBuckinghamPalace,thecouplehasagreednottouse“royal”inanyoftheirphilanthropicorcommercialactivitiesafterthisspring.TheywillwithdrawtrademarkapplicationsusingthenameandremoveitfromtheirInstagramaccountandwebsite.Onthesite,thecoupleleftlittledoubtthatthis—likeotheraspectsoftheirnewarrangementwithBuckinghamPalace—wasnottheirpreferredoutcome.Question:whatdoes"leavelittledoubt"mean?

18.JudgeHaltsWorkonMicrosoft’sJEDIContract,aVictoryforAmazonAfederaljudgeinWashingtonorderedMicrosoftonThursdaytohaltallworkona$10billioncloud-computingcontractforthePentagon,inavictoryforAmazon,whichhadchallengedtheawardingofthecontract.Inasealedopinion,thejudgeoftheCourtofFederalClaimsorderedworktostopontheJointEnterpriseDefenseInfrastructureproject,knownasJEDI,untilAmazon’slegalchallengewasresolved.The10-yearcontractwasoneofthelargesttechcontractsfromthePentagon,andMicrosoftwassettobeginworkonitthismonth.Thedecisionaddstotheacrimonysurroundingthelucrativedeal,whichwasamajorprizeinthetechnologyindustry,andratchetsupthelegalbattlearoundthetransformationofthemilitary’scloud-computingsystems.InDecember,AmazonfileditslegalchallengeagainsttheawardingofJEDI,sayingthatMr.Trumpused“improperpressure”onthePentagonatitsexpense.Inanothercourtfilingthismonth,Amazonarguedthataninjunctionwasnecessarytopreventitfromlosingtheprofititcouldearnfromthecontract.“ThisisallsettingthestageforamajorcourtfightbetweenAmazonandMicrosoft,withtheD.O.D.caughtinbetween,”saidDanielIves,ananalyst.“It’sapoliticalfootballthat’sbeingkickedaround.”QuestionWhichofthefollowingisasynonymof“lucrative“in“thedecisionaddstotheacrimonysurroundingthelucrativedeal?”

28.InJune2016,theUnitedKingdomvotedtoleavetheEuropeanUnioninanuproar.ThenthePrimeMinisterDavidCameronresigned,andTheresamaywonthecontestfortheleadershipoftheconservativeparty.Anewwordisbeginningtoappearintheheadlines:‘Britain+exit=Brexit’."We'reinunchartedterritory."ThatiswhatanaideworkinginUKPrimeMinisterDavidCameron'sofficetoldreportersaftertheresultsofaBritishreferendumonEuropeanUnion(EU)membershipcameoutonJune242016.TheUK'shistoricvotetoexittheEUhasleftpeopleinshockandstirredanxietyacrosstheglobe.Eveniftheproceedingswon'tbefinalizedforanothertwoyears,theimpactshavealreadybeguntoshow.Forstarters,ifnotfor"Brexit",theEnglishsoccerteam'sdefeatintheEuroCuponJune28mightnothavebeensobitter.ButsoccerfansmockedthefactthatEnglandwasbeingdumpedbyEuropetwiceinaweek–intheprocess,losingbothitsPrimeMinisterandnationalsoccerteammanager.ThatEnglandmetdefeatatthehandsofIcelandwasalsoasourceofhumor."Thebeautifulirony.EnglandknockedoutofEuro2016bycountrynotevenintheEU!Maybethat’swhytheypressedtheBrexitbutton,"jokedoneTwitteruser.TheBritisheconomyfacesmoreseriouseffects.Thevotecreatedthebiggestglobalfinancialshocksincethe2008economiccrisis.Thepoundsuffereditsmostdramaticone-dayfallinhistory,plungingmorethan10percentagainstthedollartohitlevelslastseenin1985.Londonmightloseitsstatusasaglobalfinancialcapital.QuittingtheEUcouldalsocosttheUKaccesstotheEU'stradebarrier-freesinglemarketandmeansthatitmustseeknewtradeaccordswithcountriesaroundtheworld,Reutersreports.USPresidentBarackObamasaystheUKwouldbeatthe"backofaqueue"foraUSpact.Thereferendum'ssurprisingresultsshowadivisioninBritishsocietybetweentheoldergeneration–whobacked"Brexit"becausetheybelievedtheysawnobenefitsfromUK'sethnicdiversityandfree-marketeconomy–andtheyoungergeneration,whofavorglobalizationandtheborder-freepolicy.ChinaDaily'sUKeditorJonLowearguesthatasecond,equallyfundamentalsplitwasrevealedinthevotingresults.Hesaysthere'sagapbetweenwhatBritonsthoughttheywereandwhattheyreallyare."Farfrombeinganationofmodern,sophisticated,multiculturalgo-getters,itturnsoutwearestillacountryofbeer-swillingbumpkinswithadistasteforforeignersandadeepmistrustofEuropeanpowers,"Lowewrote.QuestionSix:WhathappenedtotheBritisheconomywhenthereferendumcameout?

24.Readthepassageandcompletethefollowingquestions.InJune2016,theUnitedKingdomvotedtoleavetheEuropeanUnioninanuproar.ThenthePrimeMinisterDavidCameronresigned,andTheresamaywonthecontestfortheleadershipoftheconservativeparty.Anewwordisbeginningtoappearintheheadlines:‘Britain+exit=Brexit’."We'reinunchartedterritory."ThatiswhatanaideworkinginUKPrimeMinisterDavidCameron'sofficetoldreportersaftertheresultsofaBritishreferendumonEuropeanUnion(EU)membershipcameoutonJune242016.TheUK'shistoricvotetoexittheEUhasleftpeopleinshockandstirredanxietyacrosstheglobe.Eveniftheproceedingswon'tbefinalizedforanothertwoyears,theimpactshavealreadybeguntoshow.Forstarters,ifnotfor"Brexit",theEnglishsoccerteam'sdefeatintheEuroCuponJune28mightnothavebeensobitter.ButsoccerfansmockedthefactthatEnglandwasbeingdumpedbyEuropetwiceinaweek–intheprocess,losingbothitsPrimeMinisterandnationalsoccerteammanager.ThatEnglandmetdefeatatthehandsofIcelandwasalsoasourceofhumor."Thebeautifulirony.EnglandknockedoutofEuro2016bycountrynotevenintheEU!Maybethat’swhytheypressedtheBrexitbutton,"jokedoneTwitteruser.TheBritisheconomyfacesmoreseriouseffects.Thevotecreatedthebiggestglobalfinancialshocksincethe2008economiccrisis.Thepoundsuffereditsmostdramaticone-dayfallinhistory,plungingmorethan10percentagainstthedollartohitlevelslastseenin1985.Londonmightloseitsstatusasaglobalfinancialcapital.QuittingtheEUcouldalsocosttheUKaccesstotheEU'stradebarrier-freesinglemarketandmeansthatitmustseeknewtradeaccordswithcountriesaroundtheworld,Reutersreports.USPresidentBarackObamasaystheUKwouldbeatthe"backofaqueue"foraUSpact.Thereferendum'ssurprisingresultsshowadivisioninBritishsocietybetweentheoldergeneration–whobacked"Brexit"becausetheybelievedtheysawnobenefitsfromUK'sethnicdiversityandfree-marketeconomy–andtheyoungergeneration,whofavorglobalizationandtheborder-freepolicy.ChinaDaily'sUKeditorJonLowearguesthatasecond,equallyfundamentalsplitwasrevealedinthevotingresults.Hesaysthere'sagapbetweenwhatBritonsthoughttheywereandwhattheyreallyare."Farfrombeinganationofmodern,sophisticated,multiculturalgo-getters,itturnsoutwearestillacountryofbeer-swillingbumpkinswithadistasteforforeignersandadeepmistrustofEuropeanpowers,"Lowewrote.QuestionTwo:IsIceland,whichbeatBritaininEuro2016,amemberoftheEuropeanUnion?

38.Thiswastheyear—withBritainout,terrorismwaningandthemigrantcrisisatanebb—thattheEuropeanUnionhadhopedtorepairandreviveitscherishedgoalofopeninternalborders.VocabularyBuilding:Myplants____assoonasigavethemsomewater

40.Thelatestcamein2015,whenanumberofcountriessuspendedSchengentoallowfullcontrolovertheirbordersandstoprefugeeswhohadlandedinGreeceandelsewherefrommakingtheirwaytothewealthierEuropeannorth.Thevirusisyetanotherchallenge,asithasgivennewammunitiontonationalistswhowanttoseeborderstightenedorrestoredevenbeforethecontagionarrived.VocabularyBUildingwehopeto_________thegardentoitsformerglory