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【简答题】
当NPN型三极管的V CE > V BE 且V BE >0.7V时,则三极管工作在_________区。 (请填“截止”或“放大”或“饱和”)
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反馈参考答案：
举一反三
【单选题】You are discussing a subject with a Japanese team. Suddenly everyone becomes quiet. You should _____.
A.
tell a joke to wake them up
B.
give your discount now
C.
be quiet too
D.
ask them what the problem is
【单选题】“如果说,九宫山的云中湖是一把优美的琴,那么,喷学崖就是一根动听的琴弦。”这种比喻是()。
A.
使语言简洁明快的比喻
B.
使自然景物形象化的比喻
C.
使抽象事物形象化的比喻
D.
使人物形象更加鲜明的比喻
【单选题】Situation 5 Suppose you are discussing a proposal made by a Westerner, but think you wouldn't accept it,because it is highly demanding and far beyond expectation. In order to be polite, you reply to h...
A.
This is a positive message and you would likely accept it late consideration.
B.
This is a refusal.
【简答题】岐山森林公园中心景区导览图
【简答题】目前在河流生态评价中主要使用的方法是:A. 多参数评价法
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