（）分布于声门裂以上的喉粘膜。
A.喉上神经内支
B.喉上神经外支
C.喉返神经
D.喉下神经运动支
E.喉下神经感觉支
参考答案：A
妊娠糖尿病首选
A．二甲双胍B．磺脲类降糖药C．胰岛素D．糖苷酶抑制剂
He ________ his post because he had been offered a better job．.[ ]
A．resigned
B．retired
C．dismissed
D．fired
