试题与答案

地西泮的含量测定方法为( )。 A.非水溶液滴定法 B.紫外分光光度法 C.高效液

题型:单项选择题

题目:

地西泮的含量测定方法为( )。

A.非水溶液滴定法
B.紫外分光光度法
C.高效液相色谱法
D.溴酸钾法
E.氯仿提取—非水溶液滴定法

答案:

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Rain was falling as my sister Jill and I ran out of the church, eager to get home and play with the   1  that Santa had left for us. Across the street was a gas station where the bus stopped. It was   2  for Christmas, but I noticed a family standing close to the locked door in an attempt to keep   3 .
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When my father   6  the gas station, he rolled down his window. “Merry Christmas. You are waiting for the   7 ?” Father asked.
The man said that they were. They were going to Birmingham, where he had a brother and   8  of a job.
“Why don’t you all get in the car and I’ll   9  you up there. ”
After they settled in, Father looked back over his   0  and asked the children if Santa had found them yet. Their sad faces gave him the   11 .
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When we got out of the car at our house, the children   17  the front door and straight to the Christmas tree. One of the girls picked up Jill’s doll and   18  hugged it to her breast, and the other girl seized(抓住)something of mine.
All this happened many years ago, but the memory of it remains   19 . That was the Christmas when my sister and I learned the   20  of making others happy.
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A.understandB.admit C.deserve D.stand
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A.sympathy B.answer C.problem D.belief
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