题目内容
每个VLAN都是一个独立的逻辑网段，一个独立的广播域。
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VLAN之间可以直接通信，不需要通过第三层路由功能完成。
1. Read and match 连线匹配
2. Put the following into Chinese 英译汉（1）go online（2）send short messages（3）microblog（4）make videos（5）check email（6）take photos
4. Choose and fill 选择适当的单词填空（1）The man_________(who/what) you saw yesterday is a doctor from Beijing.（2）Here is a book_________(who/that) will give you a lot of useful information.（3）Everything_________( that/which) I told you just now is true.（4）The girl_________(who/which) sang well at the party last night is my friend.（5）The mobile phone_________(that/who) is made in China is mine.
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