题目内容

测量细菌大小的单位是

A. nm
B. pm
C. cm
D. mm
E. dm

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细菌缺乏下列哪一种结构仍可存活

A. 细胞壁
B. 细胞膜
C. 细胞质
D. 细胞核
E. 核糖体

WhennightfallsinremotepartsofAfricaandtheIndiansubcontinent,hundredsofmillionsofpeoplewithoutaccesstoelectricityturntocandlesorkerosenelampsforillumination. Slowlythroughsmallloansforsolarpowereddevices,microfinanceisbringinglighttotheseruralregionswherealackofelectricityhasstemmedeconomicdevelopment,helddownliteracyratesanddamagedhealth. “Earlier,theycouldnotdomuchoncethesunset.Now,thesunisuseddifferently.Theyhaveincreasedtheirproductivity,improvedtheirhealthandsocio-economicstatus,”saidPinalShahfromSEWABank,amicro-lendinginstitution. VegetablesellerRamibenWaghritookoutaloantobuyasolarlanternwhichsheusestolightupherstallatnight.Thelanterncostsbetween$66-$112,aboutaweek’sincomeforWaghri.“Thevegetableslookbetterbythislight,andit’scheaperthankeroseneanddoesn’tsmell,”saidWaghri,whoestimatesshemakesabout300rupees($6)moreeacheveningwithherlantern.“Ifwecanusethesuntosavesomemoney,whynot” InIndia,solarpowerprojects,oftenfundedbymicrocreditinstitutions,arehelpingthecountryreducecarbonemissionsandachieveitsgoaltodoublethecontributionofrenewableenergyto6%,or25,000megawatts,withinthenextfouryears. Off-gridapplicationssuchassolarcookersandlanterns,whichcanprovideseveralhoursoflightatnightafterbeingchargedbythesunduringtheday,willhelpcutdependenceonfossilfuelsandreducethefourthbiggestemitter’scarbonfootprint,saidPradeepDadhich,aseniorfellowatenergyresearchinstituteTERIinIndia“Theyarereachingpeoplewhootherwisehavelimitedornoaccesstoelectricityanddependonkerosene,dieselorfirewoodfortheirenergyneed,”hesaid.“Theappliancesnotonlysatisfytheseneeds,theyalsoimprovethequalityoflifeandreducethecarbonemissions.” SEWA,ortheSelf-EmployedWomen’sAssociation,isamongagrowingnumberofmicrofinanceinstitutionsinIndiafocusedonprovidingaffordablerenewableenergysourcestopoorpeople,whootherwisewouldhavehadtostandforhourstobuykeroseneforlampsortrudgekilometerstocollectfirewoodforcooking. SKS,Microfinance,thelargestsuchinstitutioninIndia,offerssolarlampstoits5millioncustomers,whiletheRuralSolarElectricityFoundationhelpspayforlampsandsystemsforhomesandstreetlightingforvillagersinIndia,NepalandBangladesh. InneighboringBangladesh,thestate-ownedandprivate-sectorpowerplantscangenerate3,700to4,300megawattsofelectricityadayagainstademandof5,500megawatts,accordingtothestate-runpowerdevelopmentboard.Withonly40percentofthecountry’speoplehavingaccesstoelectricity,microfinanceinstitutionslikeGrameenBankhavemadeamajorpushtowardexpandingtheuseofsolarpower.Since2001,350,000solarhomesystemshavebeeninstalledinBangladeshand550,000solarlanternshavebeendistributed,bringingsolarpowertoabout4millionpeople. “Rightnow2.5millionpeoplearebenefitingfromsolarenergy,andwehaveaplantoreach10millionpeoplebytheendof2012,”saidDipalChandraBarua,managingdirectorofGrameenShakti,anoffshootofthe2006NobelPeacePrizewinnerGrameenBank,whichencouragestheuseofalternativeenergy.

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请在“答题”菜单中选择相应的命令，并按照题目要求完成下面的操作。注意：以下的文件必须保存在考生文件夹下。销售部助理小王需要根据2012年和2013年的图书产品销售情况进行统计分析，以便制订新一年的销售计划和工作任务。现在，请你按照如下需求，在文档“EXCEL．XLSX”中完成以下工作并保存。根据“销售订单”工作表的销售列表创建数据透视表，并将创建完成的数据透视表放置在新工作表中，以A1单元格为数据透视表的起点位置。将工作表重命名为“2012年书店销量”。