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【判断题】
晶体三极管内部有两个PN结,相当于有两个二极管,所以可以采用两个二极管来构成一个三极管。A.
正确
B.
错误
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【简答题】曲线 与 所围第一象限内图形的面积 ____(以分数形式作答,如:4/5)
【简答题】积分 ____ (以分数形式作答,形如:4/5)
【简答题】计算 ____ (以分数形式作答,形如:4/5)
【简答题】Put options o ___ i __ (未平仓量) is much higher than those on the call side suggesting a downward bias in the market.
【单选题】补全对话: O: Excuse me P: Yes? O: 1 (恐怕您不能将行李放在这里) P:Why not? It's not the aisle. O: 2 (但这是在紧急出口附近)? P: So where do I put it? O: 3 (我在客舱找一个地方). P:Thank you....
A.
1. I need to move it and get more space for this passenger's bag. 2. But it is near the emergency exit. 3. I'm afraid you can't put your baggage here.
B.
1.I'm looking for space for it in the cabin. 2.I'm afraid you can't put your baggage here. 3.But it is near the emergency exit.
C.
1.I'm afraid you can't put your baggage here. 2.But it is near the emergency exit. 3.I'm looking for space for it in the cabin.
【简答题】由曲线 与 所围成的平面图形的面积A= _ . (以分数形式作答,如:4/5)
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