第5题: [单项选择]女性,19岁。贫血貌,牙龈出血,双下肢紫癜,月经多,肝脾不大,血红蛋白100g/L,白细胞8×109/L,分类正常,血小板20×109/L,首选治疗为() A. 丙种球蛋白 B. 免疫抑制剂 C. 输注血小板 D. 肾上腺糖皮质激素 E. 脾切除 参考答案:D 答案解析:该患者符合特发性血小板减少性紫癜诊断。治疗首选糖皮质激素。
第27题: [单项选择]______, my grandfather still takes a sixty-minute walk every day. A. As he is old B. Because he is old C. Old as he is D. As he is old 参考答案:C 答案解析:as在此句中含有让步之意,此时表语必须放在句首,相当于although/though he is old。