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【单选题】
乳糖操纵子负性调节是阻遏蛋白结合在以下哪个位置实现的A.
Lac P
B.
Lac I
C.
Lac O
D.
Lac CAP
E.
以上都不是
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举一反三
【简答题】What is the key view of expectancy theory?
【单选题】第一类边界条件下,具有均匀内热源的长圆柱,圆柱内温度分度呈(),具有最高温度处为()
A.
直线，圆柱体中心
B.
抛物线，圆柱体中心
C.
抛物线，圆柱体表面
D.
直线，圆柱体表面
【简答题】理论的精髓是解放思想、( ) 。
【单选题】According to the expectancy theory, motivation is high when people:
A.
believe that high levels of effort lead to high performance and ultimately, to the attainment of the desired goals.
B.
perceive that they can satisfy their need for affiliation and need for achievement with minimum effort.
C.
perceive that their own outcome–input ratio is less than that of referents.
D.
are set specific and challenging goals which help them focus their inputs in the right direction.
【判断题】In Vroom's expectancy theory, valence is the anticipated value of the reward.
A.
正确
B.
错误
【判断题】Path-goal theory is based on motivation principles drawn from expectancy theory.
A.
正确
B.
错误
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