原型法是将原型作为对现实的一个 ______ 解答，从而使系统开发风险达到较为满意的程度。
参考答案：近似或模拟
The woman insisted that she ______ the mobile phone but none of the supermarket guards would believe her.
A．should not have stolen
B．should not steal
C．not have stolen
D．had not stolen
进程通信有那三种基本类型？
