What is the advantage of the retirement savings？
A. Government withdraws a light tax on the retirement savings.
B. Employees can get money as the retirement savings from their employers.
C. Anyone with the retirement savings is qualified for a 401K plan.
D. More than 50% Americans enjoy free money in the retirement savings.
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A．She gets ill at the same time every year.B．She doesn't get enough exercise.C．She oft
A. She gets ill at the same time every year.
B. She doesn't get enough exercise.
C. She often has difficulty sleeping.
D. She's sick with influenza throughout the winter.
经营风险是指企业未使用债务时经营的内在风险，它是企业投资决策的结果，具体表现在资产息税前利润率的变动上。 ()
A. 正确
B. 错误
We work out a budget so as to ______.
A. avoid unnecessary spending
B. buy the favorite DVD
C. earn more credits
D. spend freely on favorite things
向量中断是________。
A. 外设提出中断
B. 由硬件形成中断服务程序入口地址
C. 由硬件形成向量地址，再由向量地址找到中断服务程序入口地址
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