简介：

简介：worth意为“值……的，有……的价值的”等，常常用作形容词，在句中一般作表语，有时也可用作定语，如：aplaceworthseeing(值得一看的地方)，adictionaryworth$50(一本值50美元的词典)等。

简介：一位著名的演讲家，手持一张20美元的钞票开始了他的讲演。他问在场的200多名听众：“有哪位想要这20美元钞票的?”

简介：这三个单词既有相似之处,也有细微的区别,下面从意义和结构上,对这三个词进行综合比较、区别,以帮助英语学习者正确使用。一、作形容词时(有的人把worth看作介词),三者都有一个相当于汉语中“值得……的”的意思,但在结构上各有其特点。请看例句:①Thisbookisworthreading.这本书值得读。

简介：<正>DuringtheThreeKingdomsperiod,in219,LiuBei,thekingofShudefeatedandkilledXiahouYuan,aWeigeneralguardingHanzhong,andseizedthecity.KnowingthestrategicimportanceofHanzhong,CaoCao,thecommanderoftheWeitroops,camehimselftotakebacktheplace.ButhecouldnotsucceedasLiu’stroopsweretenaciouslyentrenchedagainstthe

简介：ChildsNervSyst.2008Jun18.OBJECTIVES:Despiterevolutionarytechnicaladvancementinneuroimagingandoperativeneurosurgery,surgicalextirpationoffocalbrainstemglioma(BSG)remainssteepedincontroversy.Inthisstudy,weevaluatedourseniorauthor's(CT)surgical

简介：Thehandicapped,aspecialgroupinsociety,usuallyencountermanydifficultiesinemploy-ment,marriage,anddailylife.Somedifficultiesarewhattheycannotconquerbythemselves.Itisalsonoteasyforthemtointegrateintosociety.Howev-er,ifthereisapersonwhohelpsthehand-icappedfindajob,buildupconfidenceandmaketheirlifeworth;ifthereisapersonwhohelpsthemsetuptheirfamiliesandincorporateinaharmoniouscommunity;andifthereisapersonwhotakescareofthechildrenwithdisabilitiesjustastheirowns;hownoblethispersonis!

简介：Objective:Intra-abdominalfatisariskfactorforpancreaticcancer(PC),butlittleisknownaboutitscontributiontoPCprecursorsknownasintraductalpapillarymucinousneoplasms(IPMNs).Ourgoalwastoevaluatequantitativeradiologicmeasuresofabdominal/visceralobesityaspossiblediagnosticmarkersofIPMNseverity/pathology.Methods:Inacohortof34surgically-resected,pathologically-confirmedIPMNs(17benign;17malignant)withpreoperativeabdominalcomputedtomography(CT)images,wecalculatedbodymassindex(BMI)andfourradiologicmeasuresofobesity:totalabdominalfat(TAF)area,visceralfatarea(VFA),subcutaneousfatarea(SFA),andvisceraltosubcutaneousfatratio(V/S).MeasureswerecomparedbetweengroupsusingWilcoxontwo-sampleexacttestsandothermetrics.Results:MeanBMIforindividualswithmalignantIPMNs(28.9kg/m~2)washigherthanmeanBMIforthosewithbenignIPMNs(25.8kg/m~2)(P=0.045).MeanVFAwashigherforpatientswithmalignantIPMNs(199.3cm~2)comparedtobenignIPMNs(120.4cm~2),P=0.092.V/Swassignificantlyhigher(P=0.013)forpatientswithmalignantversusbenignIPMNs(1.25vs.0.69cm~2),especiallyamongfemales.Theaccuracy,sensitivity,specificity,andpositiveandnegativepredictivevalueofV/SinpredictingmalignantIPMNpathologywere74%,71%,76%,75%,and72%,respectively.Conclusions:PreliminaryfindingssuggestmeasuresofvisceralfatfromroutinemedicalimagesmayhelppredictIPMNpathology,actingaspotentialnoninvasivediagnosticadjunctsformanagementandtargetsforinterventionthatmaybemorebiologically-relevantthanBMI.Furtherinvestigationofgender-specificassociationsinlarger,prospectiveIPMNcohortsiswarrantedtovalidateandexpandupontheseobservations.

简介：

简介：AccordingtoXinhuaNewsAgency,HaikougovernmentwillreleaseeducationvouchersworthRMB400perpersonperyeartochildrenaged3to6whopossessthehouseholdregistrationofthecityandcomplywithfamilyplanningpolicies.Thevoucherscanbeusedinalltheregisteredpublicandprivatekindergartensinthecity.

简介：摘要：随着水土保持理念的发展，近自然、近生态的治理措施越来越受到人们的关注，原来以干砌石为主的梯田形式也发生了变化，代之以生态、植物护坎治理措施，土工格室就是在这种时代背景下脱颖而出，因其独特的功能和效益，使其成为坡耕地治理中一个重要的治理措施。