读下列大洲轮廓图，有关四个大洲的叙述，错误的是（ ）
She was so busy ____(look) for her mobile phone that she didn't see a car coming.
输送4.0×106W的电能，若发电机输出电压为2000V，选用变压器升压后应用截面积为4.25cm2的铜导线，把电能送到400km远处，线路损失的功率为5.0×105W，若已知铜的电阻率ρ=1.7×10﹣8Ω•m．
徐州是（ ）
