第6题: [单项选择]男性,52岁。高血压病史12年,出现夜间阵发性呼吸困难1天,坐位后缓解。其呼吸困难的原因可能为() A. 肺栓塞 B. 右心衰竭 C. 自发性气胸 D. 支气管哮喘 E. 左心衰竭 参考答案:E 答案解析:左心衰竭患者可表现为突然气喘,被迫坐起,大汗淋漓,唇指发绀,烦躁不安,恐惧和濒死感觉。可咳出或自鼻、口腔涌出大量白色或粉红色泡沫样痰,甚至咯血,早期双肺底可闻及少量湿啰音,晚期双肺对称性地布满干、湿啰
第9题: [多项选择]苯巴比妥的鉴别试验为 A. 使碘试液褪色 B. 与亚硝酸钠的反应 C. 与亚硝酸-硫酸的呈色反应 D. 与甲醛-硫酸的呈色反应 E. 与甲醛硫酸试液的呈色反应 参考答案:C,D
第10题: [填空题]They (forbid)()from entering the new building because they made such a damage in the old one. 参考答案:were forbidden 答案解析:
空格处缺的是谓语;而主语they是动词forbid的承受者,因此要用被动语态。
[答题指南] 注意forbid的过去分词形式特殊:forbidden。
第36题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. They both graduated from art schools. B. They majored in different areas of art. C. They are equally competent for the job. D. They are both willing to draw the posters. 参考答案:C 答案解析:[听力原文]
M: I don’t know whether to ask Joe or Cora to draw the posters.
W: What difference does it