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问题 单项选择题

下列关于中国脑卒中的诊断标准中，错误的是（）

A.急性起病

B.全面性神经功能缺损，少数为局灶性缺损

C.症状体征持续24h以上

D.排除非血管性脑部病变

E.脑cT或MRI排除其它病变，有责任血管性病灶

答案

参考答案：B

问答题 简答题

通常农作物的分类方法有几种？如何分类？
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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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