试题题干
M. A. K. Halliday has made quite clear his point of view that linguistic events should be accounted for at three primary levels: substance, form, and 
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参考答案
试题解析
M. A. K. Halliday has made quite clear his point of view that linguistic events should be accounted for at three primary levels: substance, form, and context. M. A. K. Halliday很清楚地表明了他的观点，即语言事件应该从三个主要层面来解释:内容、形式和语境。