【判断题】虚拟存储器不是物理上扩大内存空间,而是逻辑上扩充了内存容量
【多选题】How does Miranda perform in Spanish class ?
A.
she is not participating
B.
she does care about her assignment
C.
she often hands her assignments in late
D.
she often sleep in class
【单选题】Before the Christmas Day,people rush into the supermarkets to go_______shopping.
【简答题】七.课文填空(共10空;每空1分,满分10分) 71.Xiaowen was born without the _______ to use her legs and has no _______ below the waist. 72. Today there are many o _________ for disabled people to develop their _________ ...
【多选题】B737机型,前登机门到后登机门处的( )设有紧急出口指示灯
【多选题】PLC系统中的函数库有什么优点?
A.
解决特定问题可以调用预先编好的函数,这样可以节省编程时间 。
C.
使用标准的函数可以避免可能的输入错误或运算法则的错误,提高了可靠性。
D.
用户库允许创建用户指定的功能函数和功能块 。