题目
A. is a good conductor
B. is a good insulator
C. are good conductors
D. are good insulators
第1题
A.is a good conductor
B.is a good insulator
C.are good conductor
D.are good insulators
第3题
A.10GBase-ER
B.10GBase-LW
C.100Base-FX
D.1000Base-T
第5题
A.Steel
B.Iron
C.Aluminum
D.Copper
第7题
A.Carrier Sense Media
B.Carrier Sense MultipleAccess
C.Copper System Multiple
D.Copper System MediaAccess
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