杆形卡环与圆形卡环相比较主要不足之处是( )
A.固位作用差
B.稳定作用差
C.支持作用差
D.弹性作用差
E.对基牙损伤大
参考答案:B
解析: 杆形卡环和基牙的接触面积小。
- My best friend is more popular than me. I want to be like him.
-I think you should be more friendly,
A.look like
B.the same for
C.as popular as
D.so friendly as
小儿昏睡露睛多属于()。
A.肝风内动
B.肝经风热
C.脾虚气血不足
D.津液亏虚
E.肾精亏虚