下颌第一磨牙的远中根颊舌向双根管者约为()
A.18%
B.38%
C.46%
D.60%
E.86%
参考答案:C
_____ is my sister. ______ name is Tina.
A.Her; She
B.He;Her
C.She; Her
D.She;She
什么是相贯体?