50%葡萄糖溶液40ml IV qd，执行时间是( )。
A. 每日上午8时
B. 每日晚上8时
C. 隔日上午8时
D. 隔日晚上8时
E. 每日中午12时
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According to the passage, before taking a job, a person should ______.
A. demonstrate his capability
B. give his boss a good impression
C. ask for as much money as he can
D. ask for the salary he hopes to get
To be successful in negotiations, one must ______.
A. meet his boss at the appropriate time
B. arrive at the negotiation table punctually
C. be good at influencing the outcome of the interaction
D. be familiar with what the boss likes and dislikes
NaHC03溶液
A. 5-OH黄酮
B. 3-OH黄酮
C. 7，4＇-20H黄酮
D. 7或4＇-OH黄酮
E. 7-OCH3-黄酮以下碱溶液可溶解的黄酮为
用紫外线灯消毒空气，下述哪项错误 ( )。
A. 灯管用无水乙醇纱布擦净
B. 消毒过程用纱布遮盖病人双眼
C. 灯亮5min开始计时
D. 关灯后须冷却3～4min再开
E. 使用超过2000h的灯管应更换
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