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【单选题】
用离子选择性电极法测定氟离子含量，其电极电位值与哪个参数量线性关系A.
溶液中氟离子浓度
B.
溶液中氟离子浓度的对数
C.
溶液中氟离子活度
D.
溶液中氟离子活度的对数
E.
溶液中氟离子活度的几何级数
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】Cohort effect
【单选题】Greenhouse Effect Ⅰ. Introduction Greenhouse Effect, the capacity of certain gases in the atmosphere to trap heat emitted from the Earth's surface, thereby insulating and warming the Earth. Without th...
A.
Y
B.
N
C.
NG
【简答题】additive effect
【单选题】Parents will surely their children.
A.
make no effect on
B.
have some effect on
C.
have no effect on
D.
make some effect on
【简答题】替代效应和收入效应(substitution effect and income effect)
【单选题】His talk had __________ me.
A.
a big effect to
B.
a deep effect on
C.
a deep effect for
D.
a deep affect on
【简答题】收入效应(income effect)和替代效应(substitution effect)
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