对于一个共集组态的基本放大电路，它具有的特点。
A. 电压增益略大于1，输入电阻大，输出电阻小
B. 电压增益等于1，输入电阻大，输出电阻小
C. 电压增益略小于1，输入电阻大，输出电阻小
D. 电压增益略小于1，输入电阻小，输出电阻大
Which of the following does not describe freshers’ life in the UK?
A. Overwhelming.
B. Confusing.
C. Interesting.
D. Frightening.
What can newcomers do during the Freshers’ Week?
A. Join lots of clubs.
B. Pass on wisdom to other freshers.
C. Go out with others in the same boat.
D. Call home or old friends.
微信支付 
支付宝支付