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  3. Aging poses a serious challenge to OECD(Organization of Economic Co-operation and Development)countries, in particular, how to p

Aging poses a serious challenge to OECD(Organization of Economic Co-operation and Development)countries, in particular, how to p

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问题     Aging poses a serious challenge to OECD(Organization of Economic Co-operation and Development)countries, in particular, how to pay for future public pension liabilities. And early retirement places an【C1】______burden on pension financing. There is no easy solution, but【C2】______retirement could help.
    Early retirement may seem like a worthy individual goal, but it is a socially【C3】______one, and makes the present public pension system difficult to sustain for long. The【C4】______reason is that more people are retiring early and living longer. That means more retirees depending on the【C5】______of those in work for their income. The【C6】______is worrying. In the next 50 years, low fertility rates and【C7】______life expectancy in OECD countries will cause this old-age dependency rate to roughly double【C8】______size. Public pension payments, which afford 30% ~ 80% of total retirement incomes in OECD countries, are【C9】______to rise, on average, by over three percentage points in GDP and by as much as eight percentage points in some countries.【C10】______is the pressure on pension funds that there is a danger of today’s workers not getting the pensions they expected or felt they【C11】______for.
    Action is needed,【C12】______simply aiming to reduce the【C13】______ (and cost)of public pensions, or trying to【C14】______the role of privately funded pensions within the system, though necessary steps, may be【C15】______to deal with the dependency challenge. After years of【C16】______early retirement schemes to avoid【C17】______and higher unemployment, many governments are now looking【C18】______persuading people to stay in work until they are older. Surely, the thinking goes, if we are healthier now and jobs are physically less【C19】______and unemployment is down, then perhaps the【C20】______rate should rise anew.
【C15】
选项 A、insufficient
B、influential
C、inefficient
D、intrinsic
答案A
解析 通过上下文选择形容词。空格所在句子的主干结构是simply aiming to．．．or tryingto．．．may be ，因此填入的形容词是说明“为了减小养老金压力而采取的这些行动”的特点。由插入语though necessary step(虽然是必需的步骤)推出所填词应与necessary含义相反，可排除influential“有很大影响的”和intrinsic“固有的，内在的，本身的”；由simply一词及上下文语义可知空格处的含义应该是“(仅仅这样做)是不够的”，只有A项insufficient符合文意。
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