第23题: [单项选择]羟丙基纤维素() A. CMC-Na B. L-HPC C. PVP D. PVA E. HPC 参考答案:E
第24题: [单项选择]患者,女,52岁,牙列缺失,拔除最后余留牙已5个月余,拟镶全口义齿 经病史采集,口腔检查后,选择托盘行印模制取。在选择托盘的过程中,下列哪一项与托盘选择无关 A. 颌弓形状 B. 唾液黏稠度 C. 脬弓高度 D. 牙槽嵴宽度 E. 牙槽嵴高度 参考答案:B 答案解析:唾液黏稠度与取模托盘的选择无关。
第34题: [单项选择]Written in a hurry,______. How can it be satisfactory A. they found many mistakes in the report B. Sam made lots of mistakes in the report C. there are plenty of mistakes in the report D. the report is full Of mistakes 参考答案:D 答案解析:[解析] 状语是written,它的逻辑主语应该是句子的主语,即the report,故选D。