以下存储管理方式中,不适合多道程序设计系统的是()
A. 单用户连续分配
B. 固定式分区分配
C. 可变式分区分配
D. 分页式存储管理方式
恒温、恒压下的一切相变化必然朝着化学势( ____ )的方向自动进行。
Under what excuse do people resort to all those security means mentioned in Part 2(para4-para15)?
A. in the name of “satisfied”
B. in the name of “security”
C. in the name of “distrust”
D. in the name of “fear”
"In the house where I grew up, it was our custom to leave the front door on the latch at night."What is the subject of this sentence?
A. I
B. to leave the front door on the latch at night
C. our custom
D. it