第20题: [单项选择]What is the probable relationship between the two speakers A. Salesman and customer. B. Expert on jewelry and his wife. C. Estate agent and client. D. Husband and wife. 参考答案:D 答案解析:M: I’’m not really an expert on precious stones, but these are superb. Don’’t you like them
W: Hav
第34题: [单项选择]3个月早产婴儿,牛奶喂养。近1个月腹泻,肤色苍白,食欲减退。血红蛋白70g/L,RBC2.8×1012/L。为明确贫血原因,下列哪项检查最有确诊价值() A. 血清铁测定 B. 总铁结合力测定 C. 血清铁蛋白测定 D. MCV、MCH、MCHC测定 E. 骨髓检查 参考答案:A