皮皮学，免费搜题
登录
搜题
【判断题】
OSI参考模型中应用层的主要功能是为应用进程提供服务,是用户与计算机网络之间的接口,为用户提供网络管理、文件传输、事务处理等服务;A.
正确
B.
错误
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】接近,使用,进入
【简答题】入口,通道;进入,接近,使用
【简答题】Do not look away. Just________on your homework.
【单选题】听力原文： Exchange a glance with someone, then look away. Do you realize that you have made a statement? Hold the glance for a second longer, and you have made a different statement. Hold it for 3 seconds...
A.
Every glance has its significance.
B.
A glance conveys more meaning than words.
C.
A gaze longer than 3 seconds is unacceptable.
D.
Staring at a person is an expression of interest.
【单选题】—Jenny, please ______ your little sister when I am away. —OK, Mom. [ ]
A.
look at
B.
look for
C.
look after
D.
look like
相关题目：
参考解析：
知识点：
题目纠错 0
发布
