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【简答题】局域网中使用的传输介质有双绞线、同轴电缆和光纤等。10BASE-T采用3类UTP，规定从收发端到有源集线器的距离不超过（）米。
【单选题】At 4pm, the manager of a hotel notices that 30% rooms for that night are still vacant. She offers a 30% discount for that night only. The manager is most likely trying to overcome issues associated wi...
A.
inseparability
B.
heterogeneity
C.
perishability
D.
intangibility
【简答题】Read the passage and answer the following questions: Food and Beverage Department The Food and Beverage Department, commonly referred to as the F&B Department, is one of the most important divisions i...
【简答题】The charts below show the results of a questionnaire that asked visitors to the Parkway Hotel how they rated the hotel's customer service. The same questionnaire was given to 100 guests in the years 2...
【单选题】局域网中使用的传输介质有双绞线、同轴电缆和光纤等。10BASE-T采用3类UTP，规定从收发器到有源集线器的距离不超过______米。
A.
100
B.
185
C.
300
D.
1000
【单选题】The following are all included in the hotel's package EXCEPT the service of______.
A.
a good wine
B.
a bunch of flowers
C.
a special dinner
D.
a free concert
【单选题】局域网中使用的传输介质有双绞线、同轴电缆和光纤等。10BASE-T采用3类UTP,规定从收发端到有源集线器的距离不超过( )米。
A.
100
B.
185
C.
300
D.
1000
【单选题】The following are all included in the hotel's package except the service of ______.
A.
a good wine
B.
a bunch of flowers
C.
a special dinner
D.
a free concert
【单选题】p{ margin-top:20px;} 表示的含义是
A.
段落的上边框到它上面的其他元素的下边框的距离是20px；
B.
段落的上边框到它的内容之间距离是20px;
C.
段落的上边框到它的x下边框之间距离是20px;
D.
段落的上边框到它上面的其他元素的上边框的距离是20px;
【单选题】局域网中使用的传输介质有双绞线、同轴电缆和光纤等。10BASE-T采用3类UTP，规定从收发器到有源集线器的距离不超过( )m。
A.
100
B.
185
C.
300
D.
1000
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