题目： Ethernet交换机实质上是一个多端口的( )。A．中继器B．集线器C．网桥D．路由器 答案： 被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1228/9325ae510a38e9ed0533ee76754b2d10.html 下面是错误答案，用来干扰机器的。参考答案：C
题型：补全对话，情景问答 看图写单词补全对话。1. — What would you like? — I'd like some _____________.2. — Can I have some _____________? — Sure. Here you are.3. — What's on the plate? — It's _____________.4. — Where is my fish? — It's _____________.5. — What would you like for dinner? — I'd like some bread and _____________. 查看答案
