运行中的进程具有四种基本状态。
参考答案:错
解析:运行中的进程具有三种基本状态,即就绪状态、运行状态和阻塞状态。
— Where can I get your new novel?
— I'm sorry, but it ____and will soon come out. [ ]
A. has printed
B. has been printing
C. is printed
D. is being printed
组合夹具元件,按其用途不同,可分为()大类。