A. as wage earners B. both as manufacturers and consumers C. both as workers and purchasers D. as customers 参考答案:C 答案解析:[考点] 细节题 [解析] 从文章中In order to consume these new goods and services,the family had to enter the ma
第35题: [单项选择]有关急性阑尾炎时体征的含义,下列哪项不正确()。 A. 肛门指诊检查发现直肠前方有触痛,提示盆腔位阑尾炎 B. 闭孔内肌试验阳性,提示阑尾位置较低 C. 右下腹有肌紧张和反跳痛,提示炎症侵及壁层腹膜 D. 腰大肌试验阳性,提示盲肠后位阑尾炎 E. 结肠充气试验阴性,可排除急性阑尾炎 参考答案:E 答案解析:阑尾黏膜深部有嗜银细胞,是发生阑尾类癌的组织学基础。