萌出囊肿位于正在萌出的乳牙或恒牙的
A.根尖部黏膜软组织内B.牙颈部黏膜软组织内C.根部黏膜软组织内D.牙冠表面黏膜软组织内E.根侧部黏膜软组织内
参考答案:D
We're tired because we have ______ yin. [ ]
A. too many
B. too much
C. much too
D. many too
下列关于采购单说法错误的是( )。
A.采购单是出口合同的补充协议
B.采购单是采购合同
C.采购单是交货与验收依据
D.采购单是付款依据