第33题: [单项选择]Which of the following best summarizes the main idea of the passage A. Why manufacturers sell. B. Why people buy. C. Why some products are sold better than others. D. Why there is strong competition among manufacturers. 参考答案:B 答案解析:[解析]主旨大意题。文章第一段介绍做广告的目的;第二段告诉读者:制造商了解顾客不同的购买动机;第三、四段讲述顾客购买的情感及理性动机及因此而产生的制造商之间关于产品摆放位置的竞争;第五段讲述顾客购买的