第16题: [单项选择]女性,35岁,5年来劳累后心悸、气短、纳差、浮肿,2周来上感后症状加重。检查:血压120/70mmHg(16/9.3kPa),心大、心尖区闻及舒张期雷鸣样杂音,心率120次/分,心律不齐,心音强弱不等,颈静脉怒张,双肺底闻及湿性啰音,肝肋下3cm,压痛(+),脾未及,下肢浮肿(+),脉率80次/分。对该患者的心律失常治疗应首选() A. 电复律 B. 奎尼丁转复 C. 洋地黄减慢心室率 D. 用乙胺碘呋酮转复 E. 静点利多卡因 参考答案:C
第18题: [单项选择]It was in that lab ______ they did the chemical experiment. A. which B. where C. that D. what 参考答案:C 答案解析:[解析] 本题考查强调句。强调句的结构是:It is/was+被强调部分+that/ who+句子其他部分。如:It wasn't until this morning that I got your