二极管的死区电压随环境温度的升高而（）。
A.增大
B.不变
C.减小
参考答案：C
I Beijing in a few days. Do you know when the earliest plant ?
A．leaves for; takes off
B．am leaving for;is taking off
C．am leaving for; takes off
D．leave for; taking off
非法占用耕地罪是指什么？
