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【单选题】
What does “be apt to do something” mean?
A.
be more likely to do something
B.
be angry to something
C.
be happy to do something
D.
be taught to do something
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【多选题】A node in a red-balck tree could be红黑树节点的颜色有
A.
red 红
B.
black 黑
C.
yellow 黄
D.
blue 蓝
E.
green 绿
F.
purple 紫