物流成本预测的原则有哪些?
参考答案:
(1)惯性原理
(2)类推原理
(3)相关原理
(4)概率原理
Tom sat under a tree chatting with his friends and _____ his teacher, stood up in no time.
A.seeing
B.seen
C.saw
D.to see
妊娠期糖尿病是指:
A.妊娠期首次发现或发生的糖代谢异常
B.口服糖耐量试验结果只要一点高于正常值
C.空腹血糖≥5.8mmol/L
D.在糖尿病基础上合并妊娠
E.任何一次血糖≥11.1mmol/L