单项选择题

在通常讨论的吸收中，当吸收剂用量为最小时，则（ ）

A．回收率最高
B．液气比等于1
C．填料层无穷高
D．吸收推动力最大
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Confucius— a statesman, scholar, and (educator) of (great skill) and reputation—is generally held to be China's (greatest) and most (influence) philosopher.A.educatorB.great skillC.greatestD.influence
A.A.educator
B.great
B.greatest
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D.Initially
A.Surprisingly
B.Unfortunately
C.Therefore
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