挑战习题
1/5单选题
难度:

1.在下列的单位中,哪一个不是电功单位()
A W
B kW·h
C J
D
提示1:
55S15rWB5YGa5LqG5aSa5bCR5Yqf77yM55S16Lev5bCx5raI6ICX5LqG5aSa5bCR55S16IO977yM5Zug5q2k55S15Yqf5ZKM55S16IO955qE5Y2V5L2N5piv5LiA5qC355qE
正确答案:QQ==
V+aYr+eUteWKn+eOh+eahOWNleS9je+8jOaVhemAiUEu