第8题: [配伍题]X线片上显示为包绕牙根的,连续不断的低密度线条状影像()。|X线片上显示为包绕牙根的,连续不断的高密度线条状影像()。|在牙体X线片上影像密度最高的是()。 A. 牙釉质 B. 牙骨质 C. 牙槽骨 D. 牙周膜 E. 骨硬板 参考答案:D|E|A 答案解析:3.骨硬板即固有牙槽骨,为牙槽窝的内壁,围绕牙根,X线片上显示为包绕牙根的,连续不断的高密度线条状影像。牙周膜:X线片上显示为包绕牙根的,连续不断的低密度线条状影像,厚度为0.15~0.38mm,宽度
第9题: [单项选择]{{B}} Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. They should wait patiently. B. They should ask that man to leave. C. That man is old enough to order things he likes. D. They should serve that man immediately. 参考答案:A 答案解析:[听力原文]
M: See that man over there facing the window He comes in every Friday night and he just sit