手术室进行熏蒸消毒时的药物是（）
A.5%石炭酸
B.3%来苏儿
C.40%甲醛
D.70%酒精
E.2%苯扎溴铵
参考答案：C
– I am afraid I can’t return the camera to you before Friday.
– ____.
A．Not at all
B．Be careful
C．Take your time
D．Don’t be afraid
—How about ___ Christmas evening party?
—I should say it was ___ success.
A．a; a
B．the; a
C．a; 不填
D．the; 不填
