骨盆入口呈长椭圆形,入口、中骨盆及出口平面横径均缩短,前后径稍长()
A.类人猿型骨盆
B.扁平骨盆
C.漏斗骨盆
D.均小骨盆
E.妇女型骨盆
参考答案:A
—When do you have maths today?
—We have maths half past ten this morning.
A.in
B.at
C.on
D.to
()的油漆刷是用来施涂物件或不易刷冲的部位.
A.25mm
B.38mm
C.50mm
D.63mm