问题
单项选择题 A1型题
关于粘膜支持义齿，错误的是（）
A.由粘膜和牙槽骨支持
B.基托应尽量伸展
C.固位体最好采用三臂卡环
D.用于缺牙多，基牙健康差者
E.咀嚼效能差
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
关于粘膜支持义齿，错误的是（）
A.由粘膜和牙槽骨支持
B.基托应尽量伸展
C.固位体最好采用三臂卡环
D.用于缺牙多，基牙健康差者
E.咀嚼效能差
参考答案：C
| 根据句意，从方框中选择合适的单词并用其适当形式填空。 | |
—It's on the _____ floor, next to my bedroom. 2. There are two _____ in my study. There are many books on them. 3. Children like _____ TV a lot. But it is not good for their eyes. 4. There _____ a knife, a pen and two pencils in the box. 5. Our math teacher often _____ his keys in the drawer |