共射极放大电路中,电容的作用是()
A. 滤波
B. 耦合
C. 整流
Who was the first Roman general to come to Britain?
A. Juius Caesar
B. Claudius
C. Togidubnus
D. Queen Boudicca
How many times did Juliu Caesar invade Britain?
A. 1
B. 2
C. 3
D. 4
Who was the first Roman general to conquer Britain?
A. Juius Caesar
B. Claudius
C. Togidubnus
D. Queen Boudicca