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问题 单项选择题

某企业领导班子正在组织研发部经理、财务部经理等部门经理分析研究某致备的更新问题。该设备的费用由投资费用和经营费用两部分组成，设备的原始价值为80000元，每年低劣化增加值为2500元，更新时的残值为19000元。

确定该设备的最佳更新期，主要是依据该设备的( )。

A．生产日期

B．服役期

C．技术寿命

D．经济寿命

答案

参考答案：D

单项选择题

MIDI enables people to use (11) computers and electronic musical instruments. There are actually three components to MIDI, the communications " (12) ", the Hardware Interface and a distribution (13) called "Standard MIDI Files" . In the context of the WWW, the most interesting component is the (14) Format. In principle, MIDI files contain sequences of MIDI Protocol messages. However, when MIDI Protocol (15) are stored in MIDI files, the events are also time-stamped for playback in the proper sequence. Music delivered by MIDI files is the most common use of MIDI today.

A．Video

B．Faxmail

C．Graphic

D．Audio
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问答题 简答题

因工伤发生的哪些费用，按照国家规定可以从工伤保险基金中支付？
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