题目

阅读理解 JamesWatt was an English boy. He was very clever and liked to ask questions. Oneday, the boy was sitting in his grandmother's kitchen. Above the fire anold-fashioned teakettle was hanging. The water within it was beginning tobubble. A thin cloud of steam was rising from the spout(壶嘴). Soon the lid(盖子)began torattle and shake. The hot vapor puffed(冒出)out at afast rate. Yet when the boy glanced under the lid he could see nothing. “Grandma,what's in the kettle?” little Watt asked. “Water, my child-nothing but water.”his grandma answered.” But I know there is som下列现象中，不属于惯性现象应用的是（ ）A．用手拍打衣服上的灰尘B．运动员采用助跑跳远C．锤头松了，将锤柄在地上撞击几下D．骑自行车时为了减速捏刹车闸