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【简答题】
如果需要运行操作查询,则先在设计视图中将其打开,对于每个操作查询,会有不同的显示。( )显示包括在新表中的字段,( )显示添加到另一个表中的记录。
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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的电流 I E 、 I B 、 I C 的关系为: 。
A.
I E = I B = I C
B.
I C = I E + I B
C.
I E = I C + I B
D.
I B = I E + I C
【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
【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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