皮皮学，免费搜题
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搜题
【单选题】
下面对使用交换技术的二层交换机的描述,哪项是错误的描述 ( )A.
通过辨别 MAC 地址进行数据转发
B.
通过辨别 IP 地址进行转发
C.
交换机能够通过硬件进行数据的转发
D.
交换机能够建立 MAC 地址与端口的映射表
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】The commercial is an ________ medium for advertising.
A.
earnest
B.
eradicative
C.
effective
D.
educative
【单选题】Jackie has an idea for the commercial. What is it?
A.
Nick sits on a park bench and a young kid approaches him.
B.
Nick plays in a soccer match and a large crowd cheers for him.
C.
Nick sits on a bench at the soccer field and puts on his shoes.
【单选题】The commercial is an ________ medium for advertising. ( )
A.
earnest
B.
educative
C.
eradicative
D.
effective
【简答题】Listen to the commercial once again and complete the chart about the old process of starting Internet business. The following is an example of good notes. It keeps the essential information and presen...
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