[单选题,A2型题,A1/A2型题] 正常成人胸廓前后径与左右径之比为()A . 1:0.5B . 1:1C . 1:1.5D . 1:2E . 1:2.5
[单选题]正常成人胸廓前后径与左右径之比为( )。A.1:2B.1:0.5C.1:1.5D.1:1E.1:2.5
[单选题]正常成人胸廓前后径与左右径之比为( )。A.1:2B.1:0.5C.1:1.5D.1:1E.1:2.5
[单选题]正常成人胸廓前后径与左右径之比为( )。A.1:2B.1:0.5C.1:1.5D.1:1E.1:2.5
[单选题]正常成人胸廓前后径与左右径之比为( )。A.1:2B.1:0.5C.1:1.5D.1:1E.1:2.5
[单选题]正常成人胸廓前后径与左右径之比为( )。A.1:2B.1:0.5C.1:1.5D.1:1E.1:2.5
[单选题]正常成人胸廓前后径与左右径之比为( )。A.1:2B.1:0.5C.1:1.5D.1:1E.1:2.5
[单选题]正常成人胸廓前后径与左右径之比为( )。A.1:2B.1:0.5C.1:1.5D.1:1E.1:2.5
[单选题]正常成人胸廓前后径与左右径之比为( )。A.1:2B.1:0.5C.1:1.5D.1:1E.1:2.5
[单选题]正常成人胸廓前后径与左右径之比为( )。A.1:2B.1:0.5C.1:1.5D.1:1E.1:2.5