第7题: [单项选择]As the conversation begins, what are the man and woman doing A. Looking at some photographs. B. Selling cameras. C. Teaching a photography class. D. Repairing camera equipment. 参考答案:A 答案解析:[听力原文]22-25 M: Did you take these pictures They are very good. W: Yes, I think they turned ou
第20题: [单项选择]用左旋多巴或M受体阻断剂治疗震颤麻痹,不能缓解的症状是() A. 肌肉强直 B. 动作缓慢 C. 随意运动减少 D. 面部表情呆板 E. 静止性震颤 参考答案:E 答案解析:帕金森病又称"震颤麻痹"。该病是一种常见于中老年的神经系统变性疾病,多在60岁以后发病。主要表现为患者动作缓慢,手脚或身体的其他部分的震颤,身体失去了柔软性,变得僵硬。