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【单选题】
根据分离原理划分的色谱分析方法中不包括A.
吸附色谱法
B.
分配色谱法
C.
薄层色谱法
D.
排阻色谱法
E.
离子交换色谱法
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【单选题】听力原文： How we look and how we appear to others probably worries us more when we are in our teens or early twenties than at any other time in our life. Few of us are content to accept ourselves as we ar...
A.
They are reluctant to follow the trends in fashion.
B.
They are concerned about fashions only in younger age.
C.
They are far from neglecting what is in fashion.
D.
They feel eager to chase after fashions.
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