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【单选题】
三极管的核心是两个相互联系的( )。A.
沟道
B.
导线
C.
电阻
D.
PN 结
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反馈参考答案：
举一反三
【简答题】I=10%, 现金流量如下,该方案是否可行?
【单选题】What does the man imply when he tells the woman not to get her hopes up?
A.
The director probably isn't able to make an exception.
B.
The director probably won't see her.
C.
The director usually isn't very helpful.
D.
The director is not responsible for taking care of part-time students.
【单选题】He claimed that it was her rudeness that______him to strike her.
A.
proposed
B.
protected
C.
provided
D.
provoked
【简答题】听对话，回答问题。 1. What is Rose busy with? [ ] A. Her trip plan B. Her school exam C. Her summer program 2. Who will go camping with Rose? [ ] A. Bill B. Her sister C. Her classmate 3. How does Rose...
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