单项选择题

We must teach children how to ______ right from wrong.

A．classify
B．distinguish
C．speak
D．describe
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单项选择题
Nowadays much more emphasis has been put ______ developing the students productive skills.
A．over
B．onto
C．in
D．on
单项选择题
She is（）a musician than her brother.

A．much of
B．more of
C．much as
D．more as
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