全球物流就是国际物流。
参考答案：对
Helen borrowed my book _______, saying that she would return it soon.
A．day in and day out
B．day by day
C．some other day
D．the other day
炼钢用铁水温度大于（）℃。
A、1300
B、1310
C、1320
D、1340
