题目

The key _________ the string was put into the door to stop the kite _________. A.tie to;flying away B.tying to;fly away C.tied to;flying away D.tied to;fly away 答案：C万一洒出的酒精在实验桌上燃烧起来，正确的灭火方法是（　　）A．用水浇灭B．用嘴吹熄C．用灯帽盖灭D．用湿抹布扑盖