第2题: [单项选择]下列关于吐温的错误叙述为() A. 吐温的化学名称是聚氧乙烯脱水山梨醇脂肪酸酯 B. 吐温是常用的增溶剂、乳化剂、分散剂与润湿剂 C. 吐温属于阳离子型表面活性剂 D. 吐温低浓度时在水中形成胶束 E. 吐温类表面活性剂溶血作用较弱 参考答案:C 答案解析:吐温属于非离子表面活性剂,其在低浓度时在水中形成胶束,吐温是常用的增溶剂、乳化剂、分散剂和润湿剂。
第16题: [单项选择]关于整形外科手术麻醉的特点,以下哪项不正确( ) A. 要考虑多次应用麻醉药的毒性和耐药性 B. 常需数次或数十次方可完成治疗,所以要求每次麻醉均要完善.舒适和恢复平稳,以免给患者造成痛苦回忆 C. 操作精细.手术时间长.不需要太深的麻醉及肌肉松弛,但维持要平稳 D. 术中大量出血或发生不良神经反应的可能性较低 E. 小范围的手术采用局部神经阻滞或浸润麻醉即可 参考答案:D
第23题: [单项选择]What is the probable relationship between the two speakers A. Archaeologist. B. Philosopher. C. Sociologist. D. Architect. 参考答案:A 答案解析:[听力原文] W: What exactly are you looking for professor M: I’m looking for any remains, any uten
第29题: [单项选择]{{B}} Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Because he doesn’t write well enough. B. Because he is not a professional writer. C. Because he has no professional experience. D. Because he didn’t perform well in the interview. 参考答案:C 答案解析:[听力原文]
W: How was the job interview I think you’ll make a good journalist. I remember you as the b
第30题: [单项选择]水疝的临床特征 A. 尿道口常有精液溢出 B. 排尿困难、尿潴留 C. 阴囊肿大偏坠,但无红热,透光试验(+) D. 阴茎背侧触及硬结或索状斑块 E. 射精时精液呈淡红色或棕色 参考答案:C