面部外伤患者，面部肿胀，张口受限最可能的诊断是()
A．下颌角骨折
B．颧弓骨折
C．上颌骨骨折
D．下颌骨髁突骨折
E．下颌骨正中骨折
参考答案：B
_______of the class_______ finished the homework already.
A．Two third, has
B．Two thirds, have
C．Two thirds, has
D．Second threes, have
峰宽
