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【单选题】
在数据预处理中，将数据转换为易于进行数据挖掘的数据存储形式，如数据规格化，这一过程称为（）。A.
数据提取
B.
数据变换
C.
数据清理
D.
数据规约
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举一反三
【单选题】_______ advantages and disadvantages, Mr. Smith decided to leave the company and go to the west to try his fortune.
A.
Having compared
B.
Having balanced
C.
Having observed
D.
Having examined
【简答题】假设一棵完全二叉树共有500个结点，则在该二叉树中有【 】个叶子结点。
【简答题】设一棵完全二叉树中有500个结点，则该二叉树的深度为__________；若用二叉链表作为该完全二叉树的存储结构，则共有___________个空指针域。
【单选题】Who is Mr. Thomas?
A.
Ms. Smith ’ s best friend.
B.
Mr. Jackson ’ s secretary.
C.
Ms. Smith ’ s manager.
D.
The manager of Mr. Jackson ’ s company.
【单选题】What is indicated about Dr. Green?
A.
He used to work for T-Mart.
B.
He will meet Mr. Thomas regularly.
C.
He will visit T-Mart to meet its customers.
D.
He gave a lecture to business leaders on March 14.
【单选题】—Are you Mr. Thomas Green? —Yes, but you'd better call me Mr. _____ or _____ for short. [ ]
A.
Thomas; Green
B.
Tom; Green
C.
Green; Tom
D.
Green; Thomas
【单选题】Could I have a(n) ______ word with you, Mr. Thomas? It won’t take up too much of your time.
A.
honest
B.
straight
C.
simple
D.
brief
【简答题】设一棵完全二叉树共有500个结点，则在该二叉树中有（ ）个叶子结点。
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