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问题 单项选择题

.N-（1-萘基）－乙二胺分光光度法测定水中亚硝酸盐氮时，亚硝酸盐标准贮备液应保存于棕色试剂瓶中，并加入（）作保存剂。（）

A.KMnO4

B.HC.I

C.氯仿

D.H2SO3

答案

参考答案：C

填空题

当班车站值班员对夜间留站人员负管理责任，负责对所有留站人员情况进行（）、（）、（）和（）。
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单项选择题

Activity Based Costing (ABC) is an (11) technique that allows an organization to determine the actual (12) associated with each product and service produced by the organization without regard to the organizational structure. This chapter explains some of the uses and benefits of Activity Based Costing. We use IDEFO (13) modeling in conjunction with ABC to enable more effective business (14) design decisions.

In order to achieve the major goals of business process improvement, process simplification and improvement, FAA managers need to fully understand the cost, time, and quality of activities performed by employees or machines throughout an entire organization. ABC methods enable (15) to cost out measurements to business simplification and process improvement.

（13）是（）

A.activity

B.flowchart

C.design

D.management
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