皮皮学，免费搜题
登录
搜题
【单选题】
( 2019 年真题)下列不属于通信子网的设备是( ) 。A.
集线器
B.
交换机
C.
路由器
D.
打印机
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Please choose the best answer to the sentence given. 1. What brings you here?
A.
Nice to meet you.
B.
How do you do?
C.
I'm here on business.
D.
I'm fine.
【简答题】阅读理解。 Please look at the Flight Timetable and choose the right answers. (departure=leaving) 1. You'll go to Australia. You can only take _____ when you reach Beijing Airport at eleven forty. A .CA923 ...
【简答题】Please choose the right description about the Language of Four.
【判断题】A zener diode is a specially doped diode that operates the same as a regular diode in the forward-biased condition (it allows large current to flow).
A.
正确
B.
错误
相关题目：