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问题 单项选择题

下面哪款设备的耗电量大于12.95W，传统的802.11af设备无法通过PoE供电，需要采用802.3at或者本地电源供电（）

A.WA2200-AG

B.WA2610E-AGN

C.WA2620E-AGN

D.WA2200X-AG

答案

参考答案：C

写作题
书面表达。
     Nick的美国笔友Bob向他询问他和妹妹Linda的业余爱好。假如你是Nick，请根据下面表格给Bob
写一封信介绍一下。80个单词左右。
People HobbyHow longHow many
NickCollecting shellsFor five years About 220
Linda Collecting movie tickets Since she was ten years old More than 350
                                                                                                                                                      
                                                                                                                                                      
                                                                                                                                                      
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单项选择题

A disk with a horizontal line through its center, equivalent to the summer load line, is called the（）.

A.deadrise mark

B.maximum alloable draft mark

C.pilmsoll mark

D.tonnage mark
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