法国香槟地区葡萄采收依赖葡萄采收机械。_____________
查看答案
在OSI模型中,处于最高层的是()。
A. 会话层
B. 表示层
C. 数据链路层
D. 应用层
--May I help you?You seem to be having some problems.-- . thanks. I will manage
A. It's all right.
B. No problem
C. ok
--Which one of these do you want?--Either will be ok.
A. I'm sure
B. Go ahead.
C. I don't mind.
-The English Speech Contest has been cancelled.--Oh,no!
A. It's OK
B. what a pity!
C. It's pretty good.