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问题 解答题

先化简，再求值：[(a－2)2－(a＋2)(a－2)](a－1)，其中a＝－2．

答案

-48．

题目分析：原式中括号中第一项利用完全平方公式展开，第二项利用平方差公式化简，去括号合并后利用多项式乘以多项式法则计算得到最简结果，将a的值代入计算即可求出值．

原式=[a2-4a+4-（a2-4）]（a-1）

=（a2-4a+4-a2+4）（a-1）

=（8-4a）（a-1）

=8a-8-4a2+4a

=-4a2+12a-8，

当a=-2时，原式=-4×（-2）2+12×（-2）-8=-16-24-8=-48．

单项选择题

关于国务院银行业监督管理机构下列说法错误的是（）。

A、国务院银行业监督管理机构应当公开监督管理程序

B、国务院银行业监督管理机构不得公开监督管理程序。

C、国务院审计依照法律规定对国务院银行业监督管理机构的活动进行监督。

D、监察机关依照法律规定对国务院银行业监督管理机构的活动进行监督。
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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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