全口义齿固位最主要的固位力是
A.附着力B.粘着力C.内聚力D.大气压力和吸附力E.结合力
参考答案:D
解析:全口义齿固位最主要的固位力是大气压力和吸附力。
下面标点无误的一项是[ ]
A.他又凝神望着这朵花,半晌没有理会我。突然又转过头来问:?”
B.“真是一个粗心大意的孩子!”他微微一笑,露出白亮亮的牙齿,忽然又叹息一声:“唉,谁又不是这样呢?”
C.“太阳能捉住吗?”我天真她问道?
D.(三叔)口里喃喃地说:?这也是太阳!”
改错。
1. Eddie, have you see my food?
A B C D ( ) __________
2. I have known his sister five years ago.
3. I real don't know where he is.
4. It has become more difficult seeing my old friend.
A B C D ( ) —————
5.I enjoy chating with you.