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问题 单项选择题

信息系统开发的技术可行性主要考虑的内容除硬件、软件的功能、性能以外，还有( )。

A．开发商的能力和信誉

B．咨询商的经验和素质

C．技术人员的素质和水平

D．产品先进性和成熟性

答案

参考答案：C

单项选择题 A1型题

我国卫生事业公益性的最高原则是（）

A.经济效益

B.社会效益

C.病人利益和社会效益

D.经济效益和社会效益

E.病人利益
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单项选择题

Until recently, most population growth has occurred in relatively dense urban environments. In (91) words, even if we were witnessing rapid population growth, that would not mean that the (92) were filling in with people. (93) , the urban areas would tend to become more crowded. Historically, we find that people have moved to (94) the jobs were. Jobs were usually in ports or locations with many natural (95) . After transportation became relatively cheap, other geographical locations became (96) of economic activity. One factor that determines where people will move to, even when transportation becomes cheap, is (97) . And individuals working in cities (98) higher incomes than those working in (99) areas. Hence, population has tended until the 1970s to (100) in our major urban centers. Recently population has (101) out of the Northeast to the South and to the West for the more pleasant climates. If people did not (102) from living in large cities, there would likely be a much more even population distribution (103) our entire land area. Probably, if this (104) the case, there would be less concern over population (105) Indeed, one need only (106) a cross-country drive or plane trip to realize how (107) populated these United States really are. This is not to say that we should or should not do something about (108) growth. The shortage of people in certain areas merely demonstrates that overpopulation in the United States is really only a problem in (109) urban environments. And this problem may be slowly correcting (110) .

A．withdraw

B．derive

C．develop

D．benefit
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