问题补充：
A child is dying---out of breath! I had just begun my working day in the city, when these words came through the radio of the police car I was driving. I turned on the red lights and siren(警笛)and drove off as fast as I could. Just my luck! I thought. I didn know this city well and my first call of the day was a life-and-death sudden happening, several kilometers away.
I got to the house. A mother, filled with fear, handed me her baby, his face already blue. Was I too late? Dear me!
I did what had been taught to do in such a serious condition. A small thing flew out of the babys mouth on to the floor. It was a button. Thank heaven! The holes in it let a little air through.
A doctor rushed into the room. He had with him an oxygen bag.
The child began to cry at the top of his voice, burned red and started to look for his mother. He was angry but was saved.
【小题1】The writer of the story is . A．a policeman B．a driver C．a doctor D．the boys father【小题2】The writer turned on the red lights and siren in order to .A．show that he was a police carB．have the people in the streets make way for himC．warn the people in the streets of the danger aheadD．tell the people in the streets that he did not know the way well【小题3】The baby was still living when the writer got to the house because .A．the writer arrived in timeB．the writer had been taught what to do at that timeC．the button was not big enoughD．the button happened to have holes in it【小题4】What worried the writer all the way to the dying child ?A．He was afraid to come too late to save the child.B．It was a sudden happening and he was too young.C．Any people might be knocked down or killed by his car.D．He was afraid that he could not have the button taken out.A
答案：
(答案→)A
解析：本文讲述了一位警察及时救援一个被button噎住，差点丢掉性命的孩子的故事。
【小题1】A 推理题。根据第一段2,3行when these words came through the radio of the police car I was driving. I turned on the red lights and siren(警笛)and drove off as fast as I could.我大家警笛，说明我是一位警察，故A正确。
【小题2】B 常识题。根据A child is dying---out of breath! I had just begun my working day in the city, when these words came through the radio of the police car I was driving. I turned on the red lights and siren(警笛)and drove off as fast as I could.说明我打开警笛是为了去救这个孩子，让别人让开车道，故B正确。
【小题3】D 细节题。根据第三段最后一句Thank heaven! The holes in it let a little air through.
说明button上的洞让空气得以进去，故D正确。
【小题4】A 推理题。根据文章第一段I turned on the red lights and siren(警笛)and drove off as fast as I could. Just my luck! I thought. I didn know this city well and my first call of the day was a life-and-death sudden happening, several kilometers away.
说明他担忧的是否能够及时到位，救助那个孩子。故A正确。
