第22题: [单项选择]The passage is organized by _______. A. a simple listing of facts B. presenting a solution and discussing its advantages or disavantages C. cause and effect D. comparison and contrast 参考答案:B 答案解析:主旨题 文章首先就提出计算机识别系统的基本原则,然后逐一例举可采用的方法及其利与弊,可知B项符合文章的谋篇模式。