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【单选题】
在经营单位组合分析法中，具有较高业务增长率和较低市场占有率的经营单位是。A.
金牛
B.
明星
C.
幼童
D.
瘦狗
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举一反三
【单选题】晶体管三个电极的电流关系为（ ）。
A.
I C ＝ I E ＋ I B
B.
I E ＝ I C ＋ I B
C.
I B ＝ I E ＋ I C
D.
I E ＝ I B
【简答题】阅读理解。 Tom walked into a shop. It had a sign outside : 'Second-hand (旧的) clothes bought and sold. ' He was carrying an old pair of trousers and asked the owner of the shop, 'How much will you give me f...
【单选题】晶体三极管三个电极电流的关系为（）。
A.
I E =I C +I B
B.
I B =I C +I E
C.
I C =I E +I B
D.
I E =I C -I B
【单选题】处于放大电路的三极管三个电极间的电流关系为 ___ __ __ 。
A.
i c = i b + i e
B.
i e = i b + i c
C.
i b = i c + i e
【简答题】阅读理解。 Tom walked into a shop. It had a sign out- side. 'Second-hand' clothes bought and sold.” He was carrying an old pair of trousers and asked the owner of the shop, 'How much will you give me for ...
【简答题】Tom had his pocket (pick) ______because of his carelessness.
【简答题】Tom walked into a shop . It had a sign outside : 'Second-hand (旧的) clothes bought and sold . 'He was carrying an old pair of trousers and asked the owner of the shop, 'How much will you give me for th...
【简答题】晶体三极管三个极电流之间的关系式为 I E = 。
【简答题】Tom walked into a shop . It bad a sign outside : "Second-hand ( 旧的) clothes bought and sold . "He was carrying an old pair of trousers and asked the owner of the shop, "How much will you give me for t...
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