【单选题】A receiving host computes the checksum on a frame and determines that the frame is damaged.The frame is then discarded.At which OSI layer did this happen?()
【判断题】货币创造乘数是准备金变动所引起的货币存量变动与该项准备金变动之间的比率。
【单选题】Which of the following statements is NOT true?
A.
The frame. of a kite is attached to a long string held in the hand or wound on a drum.
B.
The ancestor of the double box-kite is the box-kite.
C.
The cutter kite has a diamond-shaped body but no wings.
D.
The man-lifting kites were developed by German.
【单选题】_____ is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
【单选题】某企业应付账款账户期初借方余额为2500元,本期新增加的应付款项为7000元,实际支付的应付款项为4000元 ,则该账户期末余额为( )。
【简答题】下列条目中,不是语句ALTERTABLE功能的是( )。 A)增加表的完整性约束 B)删除表的完整性约束 C)增加表中的列 D)删除表中的列
【简答题】物流公司或货主企业的物流部门在进行物流作业(或作业中心)的划分时,其作业主要包括下述项目:采购作业、销售订单处理、拣货作业、补货作业、配送作业、___________作业。
【单选题】下列不符合颈部动脉损伤特点的是
A.
常见于颈部火器伤、刃器、锐器的穿透、刺、切致伤