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【单选题】
在分光光度法中,( )是导致偏离朗伯一比尔定律的因素之一。 A.吸光物质浓度>0.01mol/L B.单色光波长 C.液层厚度 D.大气压力A.
B.
C.
D.
D
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【单选题】The ancestors of the today’s English are ___________.
A.
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B.
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C.
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D.
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