第18题: [单项选择]市场观念的营销手段是() A. 提高产品质量 B. 加强销售和促销 C. 最大限度地满足市场需要 D. 提高生产效率 参考答案:C
第19题: [单项选择]Where is Tom A. In the library, B. In the classroom. C. On the playground. 参考答案:B 答案解析:[解析] W: Did you see Tom in the library just now M: No, he is in the classroom.