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问题 单项选择题

下列有关城市发展的描述中，哪项不是由于知识经济和信息化的发展所带来的效应( )

A．随着信息化和现代通信技术的推进，完全改变了城市集聚的状态
B．建立高科技园区成为城市营造科技创新环境的项重要举措
C．信息技术的发展成为城市经济发展的关键性因素
D．知识经济的发展有利于城市的可持续发展

答案

参考答案：A

解析： 城市的集聚较少受到信息化和通信技术的影响。

单项选择题 A1/A2型题

下列组合中，错误的是（）

A.冰醋酸--中和剂

B.溴化钾--保护剂

C.对苯二酚--显影剂

D.氢氧化钠--促进剂

E.硫代硫酸铵--定影剂
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填空题

Motivation is "the driving force within individuals that impels them to action." And goals are the sought-after results_____(1) motivated behavior.Motivation can be either positive or negative_____(2) direction. We may feel a driving force toward some object or condition, _____(3) a driving force away from some object or condition. For example, a person may be impelled toward a restaurant to fulfill a need, hunger, and away_____(4) an airplane to fulfill a need of safety. Some psychologists refer to positive drives_____(5) needs, wants or desires,_____(6) negative drives as fears or aversions._____ (7), though negative and positive motivational forces seem to differ dramatically_____(8) terms of physical and sometimes emotional activity, they are basically similar in_____(9) they both serve to initiate and sustain human behavior.____(10) this reason, researchers often refer _____(11) both kinds of drives or motives as needs, wants and desires.Goals, _____(12), can be either positive or negative. A positive goal is one toward_____ (13) behavior is directed and it is often referred to as an approach object. A negative goal is _____(14) from which behavior is directed away and it is sometimes referred to as an avoidance object. Since both approach and avoidance goals can be considered objectives of motivated behavior, most researchers refer to_____(15) types simply as goals. Consider this example. A middle-aged woman may wish to remain_____(16) attractive as possible. Her positive goal is to appear desirable, and_____(17) she may use a perfume advertised to make her irresistible. A negative goal may be to prevent her skin_____(18) aging, and therefore she may buy and use face creams._____(19) the former case, she uses perfume to help her achieve her positive goal — attractiveness; in the____(20) case, she uses face creams to help avoid a negative goal — wrinkled skin.
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