电流的热效应:电流通过导体时, _________ 现象
导体都要发热的
Now that we've discussed out problem, are people happy with the decisions ?[ ]
A. taking
B. take
C. taken
D. to take
现任奥委会 * * 为()。
A.罗格
B.萨马兰奇
C.顾拜旦
D.巴赫