下列说法中,错误的一项是( )。
A.线程是程序中的一个执行流
B.多线程是程序中的多个执行流
C.线程是进程的一次动态执行过程
D.进程是程序的一次动态执行过程
参考答案:C
— I telephoned him twice and I couldn't get through to him.
— I think that the line might have been out of order, ______? [ ]
A. don't you
B. wasn't it
C. do you
D. hadn't it
机油细滤器用来清除微小的杂质、胶质和水分,由于它的阻力较大,多继机油粗滤器之后串联在润滑油路中。