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【单选题】
确诊为链球菌感染的病人,首选的治疗药物是A.
青霉素
B.
链霉素
C.
先锋霉素
D.
四环素
E.
黄连素
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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】The hotel's service is so good that Tom feels at home. The hotel's good serce____________Tom feel at home.
【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
【简答题】The hotel's service is so good that Tom feels at home . The hotel's good service ________Tom feel at home .
【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 定从收发器到集线器的距离不超过米( )。
A.
100
B.
185
C.
500
D.
1000
【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】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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