_______isapersonaldialectofanindividualspeakerthatcombineselementsregardingregional,social,gender,andagevariations.

服务业的兴起是社会生产力发展的必然结果

图解法只适用于两个变量的情况。

Whatdidthewomansayaboutherpresentation?

危急值指的是

金牛类战略业务单位的特征是什么？

以下不属于物联网网络架构组成的是（）

下列()不属于MapReduce的调度器。

人与自然相处时应遵循的基本原则是（）。

Althoughmanyofusmayfeelair-conditionersbringrelieffromhot,humidorpollutedoutsideair,theyposemanypotentialhealthhazards.Muchresearchhaslookedathowthemovementofairinsideaclosedenvironment---suchasanofficebuilding---canspreaddiseaseorexposepeopleinthebuildingtoharmfulchemicals.OneofthemorewidelypublicizeddangersisthatofLegionnaire’sdisease,whichwasfirstrecognizedinthe1970s.Thiswasfoundtohaveaffectedpeopleinbuildingswithair-conditioningsystemsinwhichwarmairpumpedoutofthesystem’coolingtowerswassomehowsuckedbackintotheairintake(通风口),inmostcasesduetopoordesign.Thewarmair,filledwithbacteria,wascombinedwithcooled,conditionedairandwasthencirculatedaroundvariouspartsofthebuilding.Studiesshowedthatevenpeopleoutsidesuchbuildingswereatriskiftheywalkedpastairexhaustpipes.Largeair-conditioningsystemsaddwatertotheairtheycirculatebymeansofhumidifiers(湿度调节器).Inoldersystems,thewaterusedforthisprocessiskeptinspecialreservoirs,thebottomsofwhichprovidebreedinggroundsforbacteriawhichcanfindtheirwayintotheventilation(通风)system.Therisktohumanhealthfromthissituationhasbeenhighlightedbythefactthattheimmunesystems(免疫系统)ofapproximatelyhalfofworkersinair-conditionedofficebuildingshavedevelopedtheabilitytofightofftheorganismsfoundatthebottomofsystemreservoirs.Butchemicalscalled“biocides”areaddedtoreservoirstomakethemgerm-free,andtheyaredangerousintheirownrightinsufficientquantities,astheyoftencontaincompoundsstronglylinkedtocancers.Finally,itshouldbepointedoutthattheartificialclimaticenvironmentcreatedbyair-conditionerscanalsoaffectus.Inanaturalenvironment,whetherindoororoutdoor,therearesmallvariationsintemperatureandhumidity.Indeed,thehumanbodyhaslongbeenaccustomedtothesenormalchanges.Inanair-conditionedlivingorworkingenvironment,however,bodytemperaturesremainwellunder37℃,ournormaltemperature.Thisleadstoaweakenedimmunesystemandthusgreaterexposuretodiseasessuchascoldsandflu.Thefactthatabouthalfofworkersdevelopedtheabilitytofightoffthebacteriamay__.

48.WhatdoesAlexZhavoronkovthinkof“describingagingasadisease”?A)Itwillpromptpeopletotakeagingmoreseriously.B)Itwillgreatlyhelpreducethesideeffectsofaging.C)Itwillfreepharmacistsfromtheconventionalbeliefsaboutaging.D)Itwillmotivatedoctorsandpharmaciststofindwaystotreataging.

主观叙述即作者的主观情感、思想、倾向等没有明显的流露

妈祖文化形成本身也给人类留下相当多的精神财富，在台湾，妈祖是一个信仰最广泛的女神。

亚维农国际艺术节成立于1947年的法国，特点是以露天演出戏剧为主。

《亚维农的少女》这幅油画不仅标志着毕加索个人艺术历程中的重大转折，而且也是西方现代艺术史上的一次革命性突破，它引发了立体主义运动的诞生。