根据案例,完成下列问题。 张先生今年的年龄是36岁,他打算到65岁时退休。目前由于物价上涨较快,所以在进行投资规划时不得不考虑到通货膨胀因素。张先生预计退休后每年生活费需要12万元,并预计自己可以活到85岁,因为他认为自己的身体状况还是很好的。在进行投资规划时,他首先拿出10万元的银行储蓄作为他退休基金的启动资金,并打算每年年末投入一笔固定的资金,以保证退休后有足够的资金来消费。 假如王先生准备拿出20万元的启动资金进行退休规划,同时他的退休基金缺口为零,则他需要延长工作时间,他所要延长的工作时间为( )年。
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软件维护有改正性维护、______和扩展性维护三种类型。
Questions 14 to 26 are based on a monologue about stages of sleep. You now have 15 seconds to read Questions 14 to 16. At which stage is sleep called dozing
A. stage four
B. stage three
C. stage two
D. stage one
In such countries as Australia and New Zealand, what language courses are also popular
Questions 17 to 20 are based on the following talk about Clinton. You now have 20 seconds to read Questions 17 to 20. In which year, about 40 percent of adults aged 17 and above participated in adult education program
A. 1995.
B. 1996.
C. 1994.
D. 1992.