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问题 单项选择题

工艺质量检查的补充要求中，对各机组的卷烟机留烟支（指卷烟机有对接包装机且不使用烟盘车的机组）要求为不得超过（）。

A.15盒

B.20盒

C.25盒

D.30盒

答案

参考答案：B

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．personal

B．electronic

C．multimedia

D．network
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单项选择题

下列有关航海日志记载与管理的要求哪项不正确（）。

A.航行中值班驾驶员交班时，应紧接右页本班记载的后面签字

B.应使用规定的符号、代号和缩写记录

C.航海日志的重大记事栏由船长填写，在特殊情况下，船长可委托大副填写

D.有关海事纠纷的航海日志，可酌情延长保管期限
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