通常用以表示应收账款信用标准的指标是（） ["应收账款平均收现期","客户的资信程度","应收账款周转率","预期的坏账损失率"]
冲压件形状要求有哪些？外观质量的一般要求有哪些？
Gear pumps are （） type because they discharge a near constant amount of liquid regardless of pressure. ["positive displacement","non-positive displacement","mixed-flow","axial-flow"]
（）Charterer and Shipowner agreed on instructions which were ambiguous and were misinterpreted in good faith by the master，it was held that the Charterer could not hold the Shipowner liable． ["Whether","Where","That","Which"]
在办公室如何树立整洁、端庄的个人礼仪形象？
承担接待任务中，迎送时应注意什么礼仪？
