在OCL电路中,引起交越失真的原因是()
A.输入信号大
B.晶体管β过大
C.电源电压太高
D.晶体管输入特性非线性
参考答案:D
试论组织表格的目标与重点?
Elephants are ________ animals because people hunt them for their tusks. [ ]
A. in danger
B. dangerous
C. endangered
D. endanger