题目

Once there was an 11-year-old boy who went fishing with his father in the middle of a New Hampshire lake. On the day before bass (巴斯鱼) season opened, they were fishing early in the evening, catching other fish with worms. Then the boy tied on a small silver lure (鱼饵) and put it into the lake. Suddenly he felt that something very big pulling on the lure. His father watched with admiration as the boy skillfully brought the fish beside the bank. Finally he lifted the tired fish from the water. It was the largest one he had ever seen, but it was a bass. The boy and his father looked at t根据你所学知识和生活常识判断下列做法正确的是( )A. 一旦有人触电，立即用手将人拉开脱离电源B. 楼房下层起火难以扑灭时，可考虑迅速从阳台用绳索下坠C. 图书馆资料着火时，立即用泡沫灭火器灭火D. 厨房里天然气泄漏时，应关闭阀门并立即打开排气扇排气