为你找到 1000 条关于 电工6-5 的结果
5.“一千个读者就会有一千个哈姆雷特”的说法反映了受众选择性心理的()
5.下列属于传播过程的特点的有()
6.下列关于人内传播理解正确的有()
以下Python表达式中,合法的布尔表达式有:()。Axinrange(6)B3=aCe>5and4==fD(x-6)>5
现要配制pH=4.5的缓冲溶液,最理想的缓冲对是 ()
若采用HA-A-系统,一般所选系统的pKa应与所控制的pH值尽量接近。B选项中是pKb=4.75,那么pKa就是14-4.75=9.25
pH=5.00时,0.20mol/L二元弱酸(H2A)溶液中,H2A的浓度为()mol/L(已知二元弱酸的pKa1=5.00,pKa2=8.00)
浓度=分布分数×分析浓度(注意:相加减的两个数据相差100倍时就可以把小的忽略掉),计算分布分数为0.5, 0.5×0.2=0.1
6.HttpServletRequest接口的()方法用于创建会话。(A)setSession()(B)getContext()(C)getSession()(D)putSession()
5.下面对Http请求消息使用GET和POST方法陈述正确的是:()(A)POST方法提交信息可以保存为书签,而GET则不行。(B)可以使用GET方法提交敏感数据。(C)使用POST提交数据量没有限制。(D)使用POST方法提交数据比GET方法快。
5.だれ( )窓を閉めてください。
6.料理は自分( )作りますか。
5.Over30yearshavepassedandthereformprogramhasbroughtabouttremendouschangesinChina.
6.Chinesemedicineisgreattreasurehousebutithasdrawnlittleattentionintheworld.
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.5.Thelastparagraphimpliesthatinartificialclimaticenvironmentcreatedbyair-conditioners,ourimmunesystemcanbeweakenedand_.
PassageTwoQuestions6to10arebasedonthefollowingpassage.Inspring,chickensstartlayingagain,bringingawelcomesourceofproteinatwinter’send.Soit’snosurprisethatculturesaroundtheworldcelebratespringbyhonoringtheegg.Sometraditionsaresimple,liketheredeggsthatgetbakedintoGreekEasterbreads.Otherselevatetheeggintoafancyart,liketheheavilyjewel-covered“eggs”thatwerefavoredbytheRussiansstartinginthe19thcentury.OneancientformofeggartcomestousfromUkraine.Forcenturies,Ukrainianshavebeendrawingcomplicatedpatternsoneggs.Contemporaryartistshavefollowedthistraditiontocreateeggsthatspeaktotheanxietiesofourage:Lifeisprecious,anddelicate.Eggsare,too.“There’ssomethingabouttheirdelicatenaturethatappealstome,”saysNewYorkercartoonistRozChast.Severalyearsago,shebecameinterestedineggsandlearnedthetraditionalUkrainiantechniquetodrawherverymodemcharacters.“I’vebrokeneggsateverystageoftheprocess—fromtheverybeginningtothevery,veryend.”Butthere’sanappealinthatvulnerability.“There’spartofthissickeninghorrorofknowingyou’rewalkingontheedgewiththis,thatIkindoflike,knowingthatitcouldallfallapartatanysecond.”Chast’sdesigns,suchasaworriedmanaloneinatinyrowboat,reflectthatdelicateness.TraditionalUkrainiandecoratedeggsalsospoketothosefears.Theelaboratepatternswerebelievedtoofferprotectionagainstevil.“There’sanancientlegendthataslongastheseeggsaremade,evilwillnotprevailintheworld,”saysJoanBrander,aCanadianegg-painterwhohasbeenpaintingeggsforover60years,havinglearnedtheartfromherUkrainianrelatives.Thetradition,datingbackto300B.C.,waslaterincorporatedintotheChristianchurch.Theoldsymbols,however,stillendure.Adecoratedeggwithabirdonit,giventoayoungmarriedcouple,isawishforchildren.Adecoratedeggthrownintothefieldwouldbeawishforagoodharvest.6.Whydopeopleinmanyculturesprizetheegg?
5.Thecitywassupposedtobeahubforglobalcompanies,withemployeesfromallovertheworld.