在H参数中，hie为基极—发射极间的直流输入电阻。
参考答案：错
备选答案在前，试题在后。每组若干题，每组题均对应一组备选答案，每题只有一个正确答案。每个备选答案可重复选用，也可不选用。
色甘酸钠的不良反应是
A．心脏毒性 B．高氯性酸中毒 C．口腔感染 D．诱发哮喘 E．肺纤维化
Unwilling to give up slavery, the South _____ from the Union and set up a state of their own, resulting in
the American Civil War. [ ]
A. broke away
B. ran away
C. escaped away
D. cut away
e Union and set up a state of their own, resulting in