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【简答题】
两种溶质的分配系数相差越( ),需要的越多的理论板数获得较大的分离度。
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举一反三
【单选题】The phrase 'this yo-yoing' in the 1st paragraph refers to______.
A.
the percentage of Medicare patients in hospitals
B.
the huge cost of Medicare for patients in hospitals
C.
the better care Medicare patients will benefit from
D.
high rates of readmission of patients into hospitals
【简答题】The theory of meaning which relates the meaning of a word to the thing it refers to, or stands for,, is known as the______theory.
【单选题】(Para. 13) In the sentence "after five centuries of growth", "five centuries" refers to the time from ( ) to ( ).
A.
the 16th century to the 21st century
B.
the Norman Conquest to the 16th century
C.
the time of Shakespeare to the time of writing this article
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