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问题 选择题

咸宁市面积约9861平方千米，人口约290.63万（2009年）．由此可见咸宁市（　　）

A．人口密度小，应提倡多生优育

B．人口密度大，应严格实行计划生育

C．人口密度大，应禁止外来人口迁入

D．人口密度适中，应实行优生优育

答案

答案：B

单项选择题

项目盈亏平衡分析时，一般应列入固定成本的是( )。

A．生产工人工资
B．外购原材料费用
C．外购燃料动力费用
D．固定资产折旧费
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单项选择题

While most recent attention in the AI field has been focused on expert system software, AI (66) has also seen dramatic advances. Activity in the past years was characterized by new low-cost, powerful Lisp machines, the introduction of AI workstations, Lisp compilers becoming available for all major professional and engineering workstations, and the personal computer emerging as a (67) . tool for expert system development. The next few years will see this technology evolves further.

Because the (68) of an AI computer represents a sizable investment, companies should carefully (69) all options that are available as well as have a good idea of what the next generation of systems will offer in order to (70) the optimum system. This publication provides the information necessary to gain this understanding.

（67）是（）

A. choice

B. read

C. important

D. software

E. hardware

F. significant

G. emergence

H. survey

I. purchase

J. select
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