It can be inferred from the last two paragraphs that______.
A. the policies made by the government always fail to take most people"s interests into account
B. some generous social welfare programs may exert an unwanted negative effect on the efforts to boost employment rate
C. married people are usually subject to subtle forms of social inequality
D. the government should stop granting unemployment insurance to those unemployed after a certain period of time
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In Paragraphs 1 and 2, the author is trying to illustrate that______.
A. the rise in oil price doesn"t squeeze Americans as hard as they have claimed
B. the oil expenditure only accounts for a small percentage of Americans" overall spending
C. the role played by oil price in correcting consumption habits is less than trivial
D. despite oil price rise, there is no sign that Americans will shift from cars to less fuel-consuming transportation means
在下列选项中，______不属于微型计算机输入/输出接口电路的功能？
A. 能进行算术运算和逻辑运算
B. 模拟量和数字量的转换
C. 信息串行与并行传递的转换
D. 能为CPU提供外部设备的状态
绩效管理系统的运行方式是()。
A. 横向分工和分解
B. 纵向分工和分解
C. 横向分解和纵向分工
D. 横向分工和纵向分解
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