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【多选题】
用量筒式计算弱碱溶液的c(OH-)时,应满足下列( )条件
A.
c/Ka≥500
B.
c/Kb≥500
C.
cKa≥20Kw
D.
cKb≥20Kw
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A.
葛根芩连丸
B.
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C.
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D.
双清口服液
E.
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B.
Manager and customer.
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university student
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A.
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A.
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B.
错误
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A.
People are too lazy to do exercise.
B.
People are more reliable on modem technology than on themselves.
C.
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D.
People are too busy with their work and family.
【判断题】果树种子的形态成熟期为种子采收适期,此期果实由绿变为该品种固有的色泽,果肉变软。
A.
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B.
错误
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