第二部分 原文填空（5分）
Fly the kite when a ___小题1:_____ appears to be coming on .Stand inside a door or under some __小题2:___, so that the silk ribbon does not get wet. Take care that the string doesn’t touch the wall or the door. When a thundercloud comes over the kite, the__小题3:___ piece of metal will pull the electricity from the cloud. The kite and the string will become _小题4:____. When the kite and the string are wet from the rain, they will conduct the electricity very well. You can _小题5:___ and store the electricity in the condenser and use it for other experiments