三极管本身具有（）作用。
A.电压放大
B.电流放大
C.功率放大
D.频率放大
参考答案：B
— Do you know Jim's quarrelling with his brother?
— I don't know. And _____. [ ]
A. nor don't I care
B. nor do I care
C. I don't care neither
D. I don't care too.
What’s the theme of Emily Bronte’ s Wuthering Heights
