单项选择题

Commercial pre-coated plates may be used for Pharmacopoeial tests provided that they comply with the test for chromatographic separation described for the correspondingcoating substance．上文中，“provided”可翻译为：（）

A．提供
B．被提供
C．除非
D．至少
E．倘若

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单项选择题
Shake 1.0 g in No．180 powder,with 20 ml chloroform for 15 minutes,filter and reserve the extracted powder for the preparation of solution(2)．Which of the following is not correct in the procedures（）

A．本品180号粉末1.08
B．保留滤过液以供配制溶液(2)用
C．粉末溶解于氯仿中振摇15分钟
D．过滤
E．粉末溶解于氯仿中
单项选择题
To apply this eye medication,wash hands first．To avoid contamination,be careful not to touch the dropper or let it touch the affected area．Place the dropper directly over the eye and administer the prescribed number of drops．Look downward and gently close your eyes for 1 to 2 minutes．According to the above,which of the following is not correct（）

A．上药前洗手
B．注意不要使眼药水瓶口接触患处
C．滴好药水后睁开双眼l～2分钟
D．滴好药水后双眼下望
E．按处方规定的滴数使用
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