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【判断题】
在分压式偏置电路中，晶体管的电流放大系数β＝50，若将该管调换为β= 80的另外一个晶体管，则该电路中晶体管集电极电流IC将减小。A.
正确
B.
错误
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【简答题】Tim Becker and his neighbors are doing something to make their neighborhood a trouble-free area. When Tim Becker gets in his car to go shopping, he doesn’t 1 drive to a store and back home. He alw...
【简答题】当组织规模一定时，管理幅度与管理层次之间呈()关系。
【多选题】下列有关丑的说法,正确的有( )。
A.
丑，作为美的对立面，作为崇高或单纯的美的积极的倒错，是一个更具有包容性和开放性的概念。
B.
形态学角度看，丑就是无形式，或形式残缺，是听觉上的紊乱、视觉上的畸形、嗅觉上的恶臭、人品上的虚伪和卑劣 …… 或者，是自然真实的缺乏和历史真实的缺乏。
C.
从审美接受角度说，丑的审美效果是喜剧性，是可笑性，笑是丑的结果，而丑是笑的因由。
D.
笑也是评价丑的重要形式。
【简答题】Tim Becker and his neighbors are doing something to make their neighborhood a trouble-free area. When Tim Becker gets in his car to go shopping, he doesn’t 36 drive to a store and back home. He always...
【单选题】_________ his membership card, Tim decided to make a phone call to check whether there was something wrong.
A.
Not having received
B.
Not to receive
C.
Not received
D.
Having not received
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