【单选题】旅游者在购买工艺品、字画、雕刻玉器时,都希望能获得有关的知识,希望售货员、导游陪同能介绍一些有关的情况。这是旅游者( )
【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】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 。