( )是从业人员的一种活力,要有坚韧不拔的毅力和敢于打破常规的精神支撑。
A.健康
B.技术
C.改革
D.创新
参考答案:D
简述物流技术装备应用配置的原则。
The world’s population has grown by ______ it was in 1800.
A.more than six times that
B.six times more than that
C.more than six times what
D.six times as many as