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二叉树与树都可以用二叉链表作为存储结构,二者的关系是()。A.一棵树可以惟一对应一棵二叉树B.一棵
二叉树与树都可以用二叉链表作为存储结构,二者的关系是()。
A.一棵树可以惟一对应一棵二叉树
B.一棵二叉树惟一对应一棵树
C.一棵与树对应的二叉树左子树为空
D.二者没有确定的对应关系
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二叉树与树都可以用二叉链表作为存储结构,二者的关系是()。
A.一棵树可以惟一对应一棵二叉树
B.一棵二叉树惟一对应一棵树
C.一棵与树对应的二叉树左子树为空
D.二者没有确定的对应关系
第1题
– Nice weather, isn't it? – ().
A. I'm not sure
B. You know it well
C. Yes, it is
D. Yes, it isn't
第2题
I know it isn't important but I can't help ______ about it.
A.but to think
B.thinking
C.think
D.to think
第3题
I know this job of mine isn't well paid, ______, I don' I have to work long hours.
A.on the one hand
B.on the contrary
C.however
D.otherwise
第4题
A.I don’t know
B.Sorry,I don’t know
C.Yes,there is
D.No,there isn’t
第5题
I know this job of mine isn't well paid, ______, I don' I have to work long hours.
A.on the one hand
B.on the contrary
C.however
D.otherwise
第6题
-What does this word mean, Joe? -().
A: Sorry, I don't know, either
B: Joe is a boy's name
C: Of course, I'm Joe
D: This word means Joe
第7题
Is it Ann's pencil-box? ______.
A.Yes, it is
B.No, it isn't
C.We don't know
第8题
A. it isn’t likely
B. it can’t be true
C. I would rather not
D. I do n’t think I know you
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