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问题 单项选择题

人体对X线照射低感受性的组织是

A．造血组织

B．淋巴组织

C．神经组织

D．口腔黏膜

E．毛细血管

答案

参考答案：C

解析：人体对X线照射低感受性的组织是脂肪组织、神经组织、结缔组织。

填空题

认为心理的各种官能可以通过不断的训练得以提高，并且被提高的官能可以自动迁移到其他情景。持这一观点的学习迁移理论是________。
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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.

（15）是（）

A.messages

B.packets

C.frame

D.information
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