如图，经鼻气管插管时，易发生折曲的部位是（）
A.鼻前庭
B.下鼻道
C.中鼻道
D.鼻后孔
E.鼻咽部
参考答案：D
评标活动依法进行，任何单位和个人不得非法干预或者影响评标过程和结果。
_________ who had arrested him three times for carrying drugs.
A．Before George stood the policeman
B．Before George the policeman stood
C．Before the policeman stood George
D．Before George did the policeman
