_____
A. 基类
B. 派生类
C. 基本类型
D. 用户定义类型
____
A. +1
B. -215
C. -1
D. -216
"It stands to reason" in the paragraph means"______".
A. Everyone finds it hard to believe
B. It is obvious to everyone
C. Everyone knows the reason
D. Nobody believes it
Do you think that it is necessary to make yourself ________?
A. understand
B. understood
C. understanding
D. being understood