当晶体三极管的两个PN结均处于正偏时,则此三极管处于()状态。
A.放大
B.截止
C.饱和
D.非正常
参考答案:C
根据汉语提示完成句子
1. I have found him (一个诚实的孩子).
2. You shouldn't have left the lights (整晚上亮着).
3.The good news got the girl (激动).
4. Helping others makes him (高兴).
5. When he came back to his life,he found himself (在医院里)
请途述键盘操作的正确姿势。