龋病治疗的目的是()
A.终止病变过程
B.保护牙髓
C.恢复牙的形态
D.恢复牙的功能
E.维持与邻近软硬组织的正常生理解剖关系
参考答案:A, B, C, D, E
句型转换, 每空一词.
1. She wears sunglasses. (就画线部分提问)
_____ does she _____?
2. I went to Shanghai with my family. (就画线部分提问)
_____ _____ you _____ to Shanghai with?
3. The sun is shining. (就画线部分提问)
_____ _____ the sun?
4. You can't listen to music in the hallways. (改为祈使句)
_____ listen to music in the hallways.
5. At school, we must clean the classroom. (改为同义句)
At school,we _____ _____ clean the classroom.
因颌骨囊肿拔除,基牙稍有松动,可选择()
A.前伸不平衡
B.基托边缘伸展不够
C.系带区基托缓冲不够
D.侧方不平衡
E.义齿磨光面外形不良