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【单选题】
采用紫外-可见分光光度法测定药物含量时,含有杂原子的有机溶剂提出了要求,以下哪一种准确
A.
使用范围均不能小于截止使用波长
B.
使用范围可以小于截止波长
C.
没有特殊要求
D.
使用范围对测定结果无影响
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His wife accused him of 'consorting with minors' and said she wanted a divorce.
B.
He was criticized too old to be a prime minister.
C.
His wife denied his choice of inexperienced but attractive female election candidates.
D.
His wife has taken an interview.
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B.
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A.
accused
B.
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A.
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【多选题】关于水流流向的错误说法是 ( )
A.
一定是从高处往低处流
B.
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C.
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D.
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A.
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B.
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