单项选择题

In Germany, ______.

A．birth rate has gone up to 1.3 per woman
B．people over 65 now constitutes about half the adult population
C．its population of under-35s is twice as large as that of over-65s
D．by 2030 its working force may have shrunk by 25%

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单项选择题

The conclusions from the study indicate that ______.

A．the pursuit of high self-esteem is a trend of modern living
B．what is beneficial for the country is self-control rather than self-esteem
C．it is productive to promote the traditional culture value of self-esteem
D．modesty and humility should be emphasized to avoid harmful effect of high self-esteem

单项选择题

By 2030 the governments in developed countries may put an end to fixed retirement ages ______.

A．to save the current pension system
B．to ensure the benefits for healthy pensioners
C．to realize full retirement benefits substantially
D．to relieve the pensions burden on the working population