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难度: 使用次数:138更新时间:2026/03/14
1.
What is the purpose of declarative statements in programming languages?
A.To declare the program's syntax structure
B.To declare the program's semantics
C.To declare variables and their data types
D.To declare the program's output
题型:选择题 知识点:第七章 编程语言基础
【答案】
C
【解析】
Declarative statements are used to declare variables and their data types, which is part of the semantic structure that defines how the program will process data.

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