向心性视野缩小可见于()
A.中心性浆液性视网膜脉络膜病变
B.黄斑变性
C.视网膜色素变性
D.癔病
E.青光眼晚期
参考答案:C, D, E
— Do you know when the new driving laws comes into___?
— September 1st. [ ]
A. affect
B. use
C. power
D. effect
无功功率