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【单选题】
除另有规定外，一般药酊剂的浓度为（）。A.
每100mL相当于原药材100g
B.
每100mL相当于原药材20g
C.
每100mL相当于原药材10g，或根据其半成品含量加以调整
D.
每100mL含被溶物85g
E.
每1g相当于原药材2～5g
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举一反三
【单选题】Just as a famous Chinese saying goes, a timely heavy snow is a ______ of good harvest next year.
A.
mark
B.
track
C.
sign
D.
appearance
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