ThenumberofspeakersofEnglishinShakespeare’stimeisestimated(估计)tohavebeenaboutfivemillion.Todayitisestimatedthatsome260millionpeoplespeakitasanativelanguage,mainlyintheUnitedStates,Canada,GreatBritain,Ireland,SouthAfrica,AustraliaandNewZealand.InadditiontothestandardvarietiesofEnglishfoundintheseareas,thereareagreatmanyregionalandsocialvarietiesofthelanguageaswellasvariouslevelsofusagethatareemployedbothinitsspokenandwrittenforms.Infact,itisimpossibletoestimatethenumberofpeopleintheworldwhohaveacquiredanadequate(足够的)workingknowledgeofEnglishinadditiontotheirownlanguages.ThepurposeforEnglishlearningandthesituationsinwhichsuchlearningtakesplacearesovariedthatitisdifficulttoexplainandstillmoredifficulttojudgewhatformsanadequateworkingknowledgeforeachsituation.ThemainreasonforthewidespreaddemandforEnglishisitspresent-dayimportanceasaworldlanguage.Besidesservingtheindefiniteneedsofitsnativespeakers,Englishisalanguageinwhichsomeofimportantworksinscience,technology,andotherfieldsarebeingproduced,andnotalwaysbynativespeakers.Itiswidelyusedforsuchpurposesasmeteorologicalandairportcommunications,internationalconferences,andthespreadofinformationovertheradioandtelevisionnetworksofmanynations.Itisalanguageofwidercommunicationforanumberofdevelopingcountries,especiallyformerBritishcolonies.Manyofthesecountrieshavemultilingualpopulationsandneedalanguageforinternalcommunicationinsuchmattersasgovernment,commerce,industry,lawandeducationaswellasforinternationalcommunicationandforentrancetothescientificandtechnologicaldevelopmentsintheWest.WhatformsanadequateworkingknowledgeofEnglish
A. Theabilitytoreadanewspaper.
B. Itisdifficulttojudgebecauseitdiffersforeachsituation.
C. Beingamultilingual.
D. Beinganativespeaker.
自1980年恢复国内保险业务以来,我国保险资金运用监管经历了“放任—收紧—有限制的放宽”的螺旋式发展历程。在经过长时期的规范后,2009年颁布的新《保险法》大幅放宽了保险资金运用渠道,标志着保险资金运用及监管进入一个新时期;而2010年颁布实施的《保险资金运用管理暂行办法》,成为了保险资金运用领域的纲领性文件。之后,各项投资新政相继出台,进一步增加了保险投资渠道,促进了保险资金运用效率的提升。XYZ保险公司是一家国际知名的保险集团与国内企业合资开办的寿险公司。过去该公司投资组合中仅包括现金、银行存款、债券和少量证券投资基金。该公司当前已成立了专门的投资管理部负责其保险资金投资运作,但投资结果并不理想,在监管机构陆续放开各种投资渠道后,公司管理层决定通过构建更多元化的投资组合来提升投资收益率。该公司上季末的总资产和净资产分别为(扣除回购和投连后)为50亿元和1亿元,上年度末总资产(扣除回购和投连后)和净资产分别为30亿元和0.9亿元,上两个季度末的偿付能力分别为145%和140%。在2006年-2010年期间,我国保险资金的投资收益率在1.9%至12.2%之间剧烈波动,这是由于保险公司的投资收益过度依赖()所造成的。
A. 银行存款
B. 权益资产
C. 不动产投资
D. 无担保债投资