适当提高淬火温度,可以增加韧性。
参考答案:错
When a bridge transmits an Ethernet frame, the Ethernet frame has ().
A.the broadcast address for the its source address
B.the bridge's LAN address for its destination address
C.the bridge's LAN address for its source address
D.none of the above
I ______ I' m going to make some tea. Would you like a cup
A.think
B.look
C.ask
D.hope