单选题:18. Back from his two-year medical service in Africa, Dr. L 题目分类:英语 题目类型:单选题 查看权限:VIP 题目内容: 18. Back from his two-year medical service in Africa, Dr. Lee was very happy to see his mother good care of at home. A.taking B.taken C.take D.be taken 参考答案: 答案解析:
患者,女性,54岁。有甲亢病史,近日因过劳和精神刺激而出现失眠、心悸、胸闷。体检见心率160次/分,心电有明显的心肌缺血 患者,女性,54岁。有甲亢病史,近日因过劳和精神刺激而出现失眠、心悸、胸闷。体检见心率160次/分,心电有明显的心肌缺血改变、窦性心律不齐。此时最好选用( ) 分类:英语 题型:单选题 查看答案
银是一种贵金属,古代常用于制造钱币及装饰器皿,现代在电池和照明器材等领域亦有广泛应用。回答下列问题。(1)久存的银制器皿 银是一种贵金属,古代常用于制造钱币及装饰器皿,现代在电池和照明器材等领域亦有广泛应用。回答下列问题。(1)久存的银制器皿表面会变黑,失去银白色的光泽,原因是_ 分类:英语 题型:单选题 查看答案