题目内容

[A] singers
[B] conductors
[C] bands
[D] composers

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● 若用n个权值构造一棵最优二叉树（哈夫曼树），则该二叉树的结点总数为（59）。

[A] shared
[B] shown
[C] concerned
[D] suffered

[A] which
[B] where
[C] that
[D] when

What should the students write on the paper？
[ A] Their names, phone numbers, and job preference.
[B] The names and addresses of their guests.
[C] Their dormitory names, addresses, and phone numbers.