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【判断题】
油性颜料是中国画的主要颜料为主。()A.
正确
B.
错误
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参考解析：
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皮皮学刷刷变学霸
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【单选题】Just as his word goes, “We are the ones we have been waiting for.” , Obama is no longer _____ he used to be, but an icon(偶像) .
A.
who
B.
what
C.
which
D.
that
【单选题】______ helping those who are unwilling to help themselves?
A.
What sense is it about
B.
What's the point of
C.
What's the sense with
D.
What point is it in
【简答题】 可变时间间隔强化
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