肝左右叶的分界标志是()
A.肝右静脉
B.肝中静脉
C.肝左静脉
D.门静脉的横部
E.门静脉的矢状部
参考答案:B
连词成句。
1. have in we Christmas England (.)
______________________________
2. at songs Christmas sing they (.)
3. sweets eat at we Christmas (.)
4. New Year today Chinese it is (.)
冠心病最常见的病因是( )
A.梅毒 B.先天畸形 C.结缔组织病 D.创伤 E.动脉粥样硬化