进程作为程序执行过程的描述，具有许多特征，下列不属于进程的特征是______。
A．动态性
B．独立性
C．并发性
D．连续性
参考答案：D
The Customs surveillance zone include following places except ______.
A．Any seaport, railway and high way station, airport, border pass or international postal matter exchange where there is a Customs establishmentB．any place where Customs control is conductedC．any place without a Customs establishment but which has been approved by the state council as a point of entry and exitD．any place along the border of the country
气体从甲醇中解析的方法主要有（）、（）、（）。
