[名词解释] 重金属

You create a Web Form. The Web Form allows users to calculate values and display the results in a label named lblResults. You need to capture all unhandled exceptions on the Web Form through the Error event. The Error event must capture each unhandled exception and display it on the Web Form. Which code segment should you use?（） ["","","",""] 当被烧伤时，正确的急救方法应该是（）。 ["以最快的速度用冷水冲洗烧伤部位","立即用嘴吹灼伤部位","包扎后去医院诊治"] 低压线路与3-10KV高压线路同杆架设时，直线横担之间的垂直距离不应小于（）m。 ["0.6","1.0","1.2","1.5"] 生前伤与死后伤的鉴别 煤气中一氧化碳含量越高中毒的可能性越大，下列煤气中，中毒危险性从高到低是（）。 ["焦炉煤气、转炉煤气、高炉煤气","转炉煤气、高炉煤气、焦炉煤气","高炉煤气、转炉煤气、焦炉煤气"] 重金属