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【单选题】
美国著名认知心理学家米勒认为:短时记忆应该以组块为单位,提出了短时记忆的容量为 个组块。这一观点为大量的实验所证实,并得到世界公认。A.
5±2
B.
7±2
C.
9±2
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举一反三
【单选题】4) Which of the following describes the leadership style in which a leader tends to centralize authority, dictate work methods, make unilateral decisions, and limit employee participation?
A.
cultural style
B.
autocratic style
C.
democratic style
D.
laissez-faire style
【单选题】Which of the following describes the leadership style in which the leader generally gives the group complete freedom to make decisions and complete the work in whatever way it sees fit?
A.
cultural style
B.
autocratic style
C.
democratic style
D.
laissez-faire style
【单选题】Which of the following describes the leadership style in which a leader tends to centralize authority, dictate work methods, make unilateral decisions, and limit employee participation?
A.
cultural style
B.
autocratic style
C.
democratic style
D.
laissez-faire style
【单选题】Which of the following describes the leadership style in which a leader tends to centralize authority, dictate work methods, make unilateral decisions, and limit employee participation?
A.
cultural style
B.
autocratic style
C.
democratic style
D.
laissez-faire style
【单选题】精孔钻在结构上修磨时,必须要注意 ( ) 。
A.
修磨出 60 °的副后角，并保留棱边宽度为 1 ～ 2mm
B.
修磨出 60 °的副后角，并保留棱边宽度为 0.1 ～ 0.2mm
C.
修磨出 6 °的副后角，并保留棱边宽度为 0.1 ～ 0.2mm
D.
修磨出 6 °的副后角，并保留棱边宽度为 1 ～ 2mm
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