若x，y，z是三个连续的负整数，并且x＞y＞z，则下列表达式是正奇数的是()。

A、To discontinue the practice, production, or use of by phases

B、To stop production or operation by phases

C、To continue the practice, production, or use of by phases

D、To increase production or operation by phases

A . R & D, maintainability, operation and support.

B . R & D, production, operation and support.

C . Acquisition, operations, maintenance.

D . Production, operations, maintenance.

E . None of the above

A、vocational schools

B、technical schools

C、countryside schools

D、community schools

74 Life cycle costing is the total cost to the customer for the acquisition and ownership over its full life. Life cycle costing categories include the cost of _____, _____, and _____.

A. R & D, maintainability, operation and support.

B. R & D, production, operation and support.

C. Acquisition, operations, maintenance.

D. Production, operations, maintenance.

E. None of the above

156 Life cycle costing is the total cost to the customer for the acquisition and ownership over its full life. Life cycle costing categories include the cost of _____, _____, and _____.

A. R & D, maintainability, operation and support.

B. R & D, production, operation and support.

C. Acquisition, operations, maintenance.

D. Production, operations, maintenance.

E. None of the above

A、生产工艺本身 The production process itself

B、所用到的设备、设施 The equipment and facilities used in the process operation

C、生产辅助设施 Auxiliary equipment in the process

D、生产人员 Operating personnel

A．demonstration

B．procession

C．body

D．march

A、Storing smaller quantities of raw material in the warehouse.

B、Asking the suppliers to supply the raw materials onto the production plant directly.

C、Suppliers adjust the items and quantity of goods in time according to the production operation of YH Company.

D、Asking the suppliers to buy back the stocks.

A．instruction

B．procession

C．action

D．conduction