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【单选题】
3以太网最小传送的帧长度为多少个8位组?A.
1500
B.
32
C.
256
D.
64
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【简答题】在极低温状态下,有些金属电阻突然变为零的现象叫 _________________ 现象。
【简答题】The first bicycles were made of wood. After that, manufacturers used steel tubes. But the steel ones cost too much. The people in poorer countries want to have cheaper ones. Izhar Gafni had an idea to...
【单选题】The problem with the American car manufacturers is ______________.
A.
their products are of lower quality
B.
their products are not liked by the Japanese
C.
they don’t send salespeople to door-to-door selling
D.
their products are too expensive
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