是否去尽龋坏组织最重要的依据是
A．患者的感觉
B．牙本质的硬度和着色程度
C．窝洞深度
D．内窥镜观察
E．温度刺激后的反应
参考答案：B
情景交际：根据上下文补全对话。
A: Mum, 1_____ is my cap? I can't 2_____ it. 3_____ you know?
B: 4_____ 5_____ on the bed?
A: No, 6_____ 7_____.
B: Is it behind the chair?
A: 8_____. Oh, I'm late today. It's time for class.
B: Don't worry, dear. Look! It's 9_____ your head!
A: Thank you very much, Mum! 10_____.
B: Bye!
简述传统教育派和现代教育派各自的“三中心”主张．
