有关滴眼剂的抑菌剂的叙述正确的为
A.抑菌剂应作用迅速,要求12h内能将金黄色葡萄球菌和绿脓杆菌杀死
B.为提高抑菌效力,有时可选用复合抑菌剂
C.选择抑菌剂需考虑灭菌效力、pH值和配伍禁忌
D.含有吐温类的滴眼剂用尼泊金作抑菌剂时应适当增加尼泊金的用量
E.眼外伤所用洗眼剂更应加入抑菌剂
A.抑菌剂应作用迅速,要求12h内能将金黄色葡萄球菌和绿脓杆菌杀死
B.为提高抑菌效力,有时可选用复合抑菌剂
C.选择抑菌剂需考虑灭菌效力、pH值和配伍禁忌
D.含有吐温类的滴眼剂用尼泊金作抑菌剂时应适当增加尼泊金的用量
E.眼外伤所用洗眼剂更应加入抑菌剂
第3题
While I was skiing,I ______ and broke my wrist.
A.fell
B.felt
C.feel
D.fallen
第4题
While I was skiing,I ______ and broke my wrist.
A.fell
B.felt
C.feel
D.fallen
第5题
第6题
--I fell off my bicycle and broke my leg yesterday.--Is that ______ you drank too much?
A.why
B.how
C.because
D.when
第7题
A thief broke ______ when I was leaving for my office.
A.in
B.up
C.out
D.off
第8题
Fortunately, when my car broke down in the country, I had my mobile with me.
A.Accidentally
B.Fatally
C.Luckily
D.By chance
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