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问题 单项选择题

高增长市场的产物，但市场份额较低的是( )。

A．瘦狗产品
B．金牛产品
C．问号产品
D．明星产品

答案

参考答案：C

解析：问号产品是高增长市场的产物，但市场份额较低。瘦狗产品应当死亡或者被淘汰。

填空题

五百二十九亿零八十万六千一百写作______，把它改写成用“万”作单位的数是______，省略万位后面的尾数约是______万．
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单项选择题

MIDI enables people to use (61) computers and electronic musical instruments. There are actually three components to M1DI, the communications " (62) ", the Hardware Interface and a distribution (63) called "Standard MIDI Files". In the context of the WWW, the most interesting component is the (64) Format. In principle, MIDI files contain sequences of MIDI Protocol messages. However, when MIDI Protocol (65) are stored in MID! 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．format

B．text

C．wave

D．center
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