第13题: [单项选择]探诊慢性溃疡性牙髓炎患牙的龋洞为 A. 洞底硬,不敏感 B. 洞内探穿髓孔痛 C. 洞内有肉芽组织 D. 洞底大量软腐质 E. 以上无一项正确 参考答案:B 答案解析:慢性牙髓炎患牙龋洞内有探痛的穿髓孔时,称为慢性溃疡性牙髓炎。其他干扰答案均是其他类型慢性牙髓炎的特点。
第14题: [单项选择]According to Fischer, what is the most important thing about the EU Constitution A. The Tax Articles in the Basic Law B. The procedures are becoming clear C. The threat of terrorism D. The fundamental fights have been defined clearly. 参考答案:D