【多选题】物流需求的度量要素分为物流需求的数量、时间、空间、( )和( )等。
【判断题】几个用电器不论是串联使用还是并联使用它们消耗的总功率总是等于各电器实际消耗功率之和。( )
【单选题】The company keeps ______ on all business deals, accounting processes, and employment matters.
【判断题】磁滞损耗Ph与磁通的交变频率f成正比,与磁感应强度幅值Bm的α次方成正比。
【简答题】Who keeps financial records of all business transactions?
【判断题】磁滞损耗Ph与磁通的交变频率f成反比,与磁感应强度幅值Bm的α次方成正比。
【单选题】婴儿腹泻低渗性脱水,第一天应选用的溶液为
【单选题】听力原文: Mr. Robinson had to travel somewhere on business, and as he was in a hurry, he decided to go by air. He liked sitting beside a window when he was flying, so when he got on to the plane, he looke...
B.
Next to a pretty girl.
C.
In the front of the plane.
D.
Anywhere but by the window.
【简答题】案例一:饺子馆的采购问题 三年前,胡经理在南肖埠开了一家饺子馆,生意火暴,可胡经理却说赚不到钱。刚开始一两10个饺子,定价5元,即每个饺子的销售价格为5角钱。直接成本为饺子馅、饺子皮、作料和燃料,每个饺子的成本大约2角钱。虽然存在差价空间,可是胡经理的小店老是赚不了钱,原因在于每天都有大量剩余原料,这些采购的原料不能隔天使用,算上人工、水电、房租等间接成本,每个饺子的成本就接近4角钱了。如果每天卖...