【单选题】当发射结和集电结均正偏时,三极管工作在()状态。
【单选题】19 “标记唛码及备注”栏除了填报标记唛码外,还应填报:
【单选题】I am amazed at what I have seen and he has told me.
【单选题】It has amazed me that the most __ incongruous ___traits should exist in the same person and, for all that, yield a plausible harmony.
【单选题】I am amazed at what I have seen and he has tole me.