题目内容

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

查看答案

搜索结果不匹配？点我反馈

更多问题

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.

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。某会计网校的刘老师正在准备有关《小企业会计准则》的培训课件，她的助手已搜集并整理了一份该准则的相关资料存放在Word文档“《小企业会计准则》培训素材．docx”中。按下列要求帮助刘老师完成PPT课件的整合制作。将第15张幻灯片自“(二)定性标准”开始拆分为标题同为“二、统一中小企业划分范畴”的两张幻灯片，并参考原素材文档中的第15页内容将前1张幻灯片中的红色文字转换为一个表格。

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”。

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。某会计网校的刘老师正在准备有关《小企业会计准则》的培训课件，她的助手已搜集并整理了一份该准则的相关资料存放在Word文档“《小企业会计准则》培训素材．docx”中。按下列要求帮助刘老师完成PPT课件的整合制作。将素材文档第16页中的图片插入到对应幻灯片中，并适当调整图片大小。将最后一张幻灯片的版式设为“标题和内容”，将图片picl．gif插入内容框中并适当调整其大小。将倒数第二张幻灯片的版式设为“内容与标题”，参考素材文档第18页中的样例，在幻灯片右侧的内容框中插入SmartArt不定向循环图，并为其设置一个逐项出现的动画效果。