第3题: [单项选择]女,16岁。近3天双下肢伸侧出现紫癜,分批出现两侧对称、颜色鲜红,伴腹痛及关节痛,血小板160×109/L,WBC10×109/L,Hb100g/L,凝血时间正常,应首先考虑() A. 过敏性紫癜 B. 特发性血小板减少性紫癜 C. 急性白血病 D. 再生障碍性贫血 E. 血友病 参考答案:A 答案解析:过敏性紫癜的特点:紫癜以双下肢及臀部多见,对称分布,大小不等,分批出现,常可高出皮肤表面,可伴有荨麻疹,可有轻微痒感。可伴有关节痛、腹痛、腰痛、血尿、黑便等。患者临床症状与上述表现符合,实验室检查血小
第7题: [单项选择]What is the man complaining about A. At the hotel. B. On the airport. C. On the train. D. In the plane. 参考答案:A 答案解析:[听力原文] M: Where have you been all this time The plane is about to leave. W: I’m sorry I’m lat
第35题: [单项选择]The Portuguese give a great deal of credit to one man for having promoted sea travel that man_()Prince Henry, the navigator, who lived in the 15th century. A. was B. was called C. calling D. being 参考答案:D