球状突来自于()
A.中鼻突
B.侧鼻突
C.联合突
D.上颌突
E.下颌突
参考答案:A
微小听神经瘤直径()
A.<1cm
B.<2cm
C.<1.5cm
D.1~1.5cm
E.2cm
There are quite a few trees in the forest .
A.kind of
B.a lot of
C. not too many
D.not enough