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【单选题】
不能分享,体现在孤独症儿童在( )方面的困难。A.
沟通
B.
社交障碍
C.
刻板行为
D.
感官统合失调
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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 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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