以下关于编译和解释的叙述中，正确的为（ ）。
①编译是将高级语言源代码转换成目标代码的过程
②解释是将高级语言源代码转换为目标代码的过程
③在编译方式下，用户程序运行的速度更快
④在解释方式下，用户程序运行的速度更快
- A.①③
- B.①④
- C.②③
- D.②④
正确答案及解析
正确答案
解析
两种语言处理程序的根本区别是：在编译方式下，机器上运行的是与源码程序等价的目标程序，源程序和编译程序都不再参与目标程序的执行过程，程序运行速度快；而在解释方式下，解释程序和源程序（或其某种等价表示）要参与到程序的运行过程中，运行程序的控制权在解释程序，边解释边执行，程序运行速度慢。
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