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【单选题】
现行版《中国药典》检查肾上腺素中的肾上腺酮,采用的方法是A.
薄层色谱法
B.
红外分光光度法
C.
紫外-可见分光光度法
D.
法
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举一反三
【单选题】If you don't understand something, you say, '________'. [ ]
A.
Sorry, I don't understand.
B.
I'm sorry. I don't know.
C.
Can you speak English?
D.
Excuse me. How do you say that in English?
【简答题】A．Yes, especially pop music. B．Yes, I see. C．No, I don't understand you. D．No, I don't like him.
【单选题】下面关于数据粒度的描述不正确的是
A.
粒度是指数据仓库小数据单元的详细程度和级别
B.
数据越详细,粒度就越小,级别也就越高
C.
数据越不详细，粒度也就越大,级别也就越高
D.
粒度的具体划分将直接影响数据仓库中的数据量以及查询质量
【单选题】下面关于数据粒度的描述不正确的是
A.
粒度是指数据仓库小数据单元的详细程度和级别
B.
数据越详细,粒度就越小,级别也就越高
C.
数据综合度越高,粒度也就越大,级别也就越高
D.
粒度的具体划分将直接影响数据仓库中的数据量以及查询质量
【单选题】I admit I am a complete fool about cats, who, for some reason I don't understand, fail to return my admiration. I will wait minutes for cars to pass so that I can cross the road to address a black and...
A.
She gives them unreturned worship.
B.
They are a combination of annoyance and intense admiration.
C.
She is quite fond of them.
D.
She is ashamed of being their slave.
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