第31题: [单项选择]关于哌唑嗪论述,下列哪种观点是错误的: A. 可用于治疗充血性心力衰竭 B. 适用于肾功能障碍的高血压患者 C. 选择性地阻断突触后膜α受体 D. 可明显增加心肌收缩力 E. 首次给药可产生严重的直立性低血压 参考答案:D
第32题: [单项选择]We're trying to ring you back, Bryan, but we think we ______ your number incorrectly. A. looked up B. took down C. worked out D. brought about 参考答案:B 答案解析:[考点] 词组辨析
[解析] look up“查找,拜访,改善”;take down“拿下,记下,拆卸,病倒”;work out“解决,设计出,作出,计算出,消耗完”;bring about“