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问题 单项选择题

振兴装备制造业，首先要振兴重大技术装备，努力突破( )，提高重大技术装备研发设计、核心元器件配套、加工制造和系统集成的整体水平。

A．政策约束

B．国际技术限制

C．核心技术

D．资金不足

答案

参考答案：C

选择题

依次填入下列各句横线处的词语，最恰当的一组是（    ）（3分）

（1） 景泰蓝拿红铜做胎，为的红铜富于延展性，容易把它达成预先设计的形式，要_________的地方又容易_________。

（2）一切生物，无论是变形虫、大肠杆菌、植物或是人类，均使用同样的遗传密码，这表示生物是由同一祖先_______而来。

(3) 美英联军发现了几名_________可疑的伊拉克人，怀疑他们是恐怖分子，立即将其击毙。

A．结合结合衍化行迹

B．接合接合演化形迹

C．结合结合演化形迹

D．接合接合衍化行迹
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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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