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【简答题】
卡马西平片（规格：100mg）的含量测定，取本品10片，精密称定，1.4200g研细，精密称取0.0730g（约相当于卡马西平50mg），置50ml量瓶中，加乙醇稀释至刻度，摇匀。用干燥滤纸滤过，精密量取续滤液2ml 至200ml 量瓶中，加盐酸溶液稀释至刻度，摇匀。照紫外-可见分光光度法，在285nm 的波长处测定吸光度为0.550，按 为518计算其标示量的百分含量为 A. 供试品溶液稀释为供试品测定液的稀释倍数(n) B. 供试品的百分吸收系数 C. 测试液测得的吸光度 D. 取样量 E. 平均片重
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参考答案：
举一反三
【单选题】They boy said ________ couldn’t he work out the problem but his teacher didn’t know how to do it.
A.
though
B.
never
C.
hardly
D.
not only
查看完整题目与答案
【单选题】WKB法的基本思想是？
A.
电场和磁场分离
B.
时、空坐标分离
C.
场的纵向分量和横向分量分离
D.
相位变化和振幅变化分离
查看完整题目与答案
【判断题】估计量的无偏性可以避免系统误差
A.
正确
B.
错误
查看完整题目与答案
【判断题】估计量的无偏性可以避免估计的系统误差
A.
正确
B.
错误
查看完整题目与答案
【多选题】引起基牙疼痛的原因
A.
咬合早接触
B.
卡环过紧
C.
义齿未完全就位
D.
牙体预备造成牙本质过敏
E.
义齿发生翘动
查看完整题目与答案
【单选题】To gure out how the brain stamps a behavior as one to make a habit, the M.I.T. lab began recording the electrical activity of small collections of neurons (brain cells) in the striatum.
A.
fixes a postage stamp on to (a letter)
B.
makes something by cutting it out with a die or mould
C.
brings down (one’s foot) heavily on the ground
D.
impresses a mark on a surface using an engraved or inked block or die or other instrument
查看完整题目与答案
【单选题】The proper title for this passage should be ______.
A.
How to Work Out Maths Problems
B.
How to Get Exact Figures
C.
How to Answer a Question
D.
How to Read Maths Problems
查看完整题目与答案
【单选题】________ bad weather it is! We mustn’t go out.
A.
What
B.
What a
C.
How
D.
How a
查看完整题目与答案
【单选题】The students didn t manage to work out the problem ______ their teacher had explained how.
A.
when
B.
until
C.
unless
D.
as
查看完整题目与答案
【单选题】_____ bad weather it is today! You can't go out. [     ]
A.
What
B.
What a
C.
How
D.
How a
查看完整题目与答案
相关题目：
【单选题】They boy said ________ couldn’t he work out the problem but his teacher didn’t know how to do it.
A.
though
B.
never
C.
hardly
D.
not only
查看完整题目与答案
【单选题】WKB法的基本思想是？
A.
电场和磁场分离
B.
时、空坐标分离
C.
场的纵向分量和横向分量分离
D.
相位变化和振幅变化分离
查看完整题目与答案
【判断题】估计量的无偏性可以避免系统误差
A.
正确
B.
错误
查看完整题目与答案
【判断题】估计量的无偏性可以避免估计的系统误差
A.
正确
B.
错误
查看完整题目与答案
【多选题】引起基牙疼痛的原因
A.
咬合早接触
B.
卡环过紧
C.
义齿未完全就位
D.
牙体预备造成牙本质过敏
E.
义齿发生翘动
查看完整题目与答案
【单选题】To gure out how the brain stamps a behavior as one to make a habit, the M.I.T. lab began recording the electrical activity of small collections of neurons (brain cells) in the striatum.
A.
fixes a postage stamp on to (a letter)
B.
makes something by cutting it out with a die or mould
C.
brings down (one’s foot) heavily on the ground
D.
impresses a mark on a surface using an engraved or inked block or die or other instrument
查看完整题目与答案
【单选题】The proper title for this passage should be ______.
A.
How to Work Out Maths Problems
B.
How to Get Exact Figures
C.
How to Answer a Question
D.
How to Read Maths Problems
查看完整题目与答案
【单选题】________ bad weather it is! We mustn’t go out.
A.
What
B.
What a
C.
How
D.
How a
查看完整题目与答案
【单选题】The students didn t manage to work out the problem ______ their teacher had explained how.
A.
when
B.
until
C.
unless
D.
as
查看完整题目与答案
【单选题】_____ bad weather it is today! You can't go out. [     ]
A.
What
B.
What a
C.
How
D.
How a
查看完整题目与答案
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