第3题: [单项选择]成人缺铁性贫血最常见的病因是()。 A. 铁摄入不足 B. 铁丢失过多 C. 慢性胃炎 D. 慢性感染 E. 慢性失血 参考答案:E 答案解析:慢性失血是成人缺铁性贫血最多见、最重要的原因,反复多次少量出血可使体内储存铁逐渐耗竭,如消化性溃疡出血、肠息肉、肠道肿瘤、月经过多、痔出血等。
第34题: [单项选择]Questions 11 to 18 are based on the conversation you have just heard. A. Who is going to do the dishes. B. Who is going to sweep the floor. C. What program is on TV. D. What they are going to do. 参考答案:A 答案解析:[听力原文] W: Can you do the dishes, honey I am so tired after the cooking. M: But I’ve already s