下列哪种药物可偶致视力模糊及中毒性弱视
A.保泰松
B.吲哚美辛
C.布洛芬
D.阿司匹林
E.乙酰水杨酸
参考答案:C
35. ---I’m sorry I’m late. I got held up in the traffic on my way here.
---___________________.
A.Don’t be late next time
B.You should be blamed
C.It doesn’t matter. I’m also late
D.Never mind. Come and sit down
直流电源-48伏供电回路全程最大压降为()
A、2
B、3
C、4
D、3.5