If a firm has 25days of accounts payables outstanding and 30 days invested in inventory and their cash to cash cycle time is 80days, how many days of accounts receivables do they have? A: 105days B: 80 days C: 75days D: 50days

The secretary will contact you _____. A: for three days B: in three days C: about three days D: at three days

喷砂采用的空气压缩机，空压机气压为（）Pa。 A: 1.0×105～1.5×105 B: 2.0×105～2.5×105 C: 6.0×105～6.5×105 D: 4.0×105～4.5×105

喷砂采用的空气压缩机，空压机气压为（）Pa。 A: A1.0×105～1.5×105 B: B2.0×105～2.5×105 C: C6.0×105～6.5×105 D: D4.0×105～4.5×105

The required compressive strength of PCC is measured at A: 3 days B: 7 days C: 14 days D: 28 days

The entire project is scheduled to be completed within______. A: 784 days B: 748 days C: 478 days D: 487 days

The wedding ceremony of the Achang people lasts for _______. A: two days B: four days C: five days D: three days

-Good news. We will have a__holiday.-I've heard of it. But it's coming in____. A: three days; three days'time B: three days'; three days' C: three-day; three days D: three days; three-day time

The secretary will contact you _____. () A: for three days B: in three days C: about three days

自动变速器的汽车每行驶（ ）Km，一般要换自动变速器油一次。 A: 1×105～2×105 B: 2×105～3×105 C: 3×105～4×105 D: 4×105～4×105