气管插管
参考答案:气管插管: 是通过口腔或鼻孔经喉把特制的导管插入气管内.
若(x-y-1)2+|3x+2y-1|=0,则点P(x,y)在第______象限.
In relation to private companies, explain the meaning of, and the procedure for passing, the following:
(b) a written resolution. (5 marks)