金瓷冠的唇侧一般为
A.刃状边缘B.凿状边缘C.凹形边缘D.肩台形边缘E.带斜面凹形边缘
参考答案:D
骨盆骨折时,易受损的是哪一部分 * * ()
A. * * 前列腺部
B. * * 球部
C. * * 膜部
D. * * 悬垂部
E.以上都不是
根据句意及首字母提示完成句子。
1. He holds the world for 69 years.
2. Yao Ming was b in 1980.
3. He began to h____when he was full.
4. The old man s____ when he caught a cold.
5. Did you take any p____in the park?