题目

—What else did Peter ask you about the trip to Jurong? —He asked me     . A. what did we get ready for for the trip B. when we will visit the Statue of Laozi C. how long would they stay at the Memorial Hall of the New Fourth ArmyD. whether she could go to Huayang Park alone on the second day 答案：D下图甲是探究阻力对物体运动影响的实验，下图乙是探究动能大小与什么因素有关的实验。请回答下列问题： （1）图甲实验表明：平面越光滑，小车运动距离越       。联想到在雨雪天驾驶汽车应适当         （选填“增大”或“减小”）汽车之间的距离。 （2）图乙实验表明，钢球质量越大，动能越         。联想到高速公路的限速牌上同时标明“120”和“100”字样，        （选填“大客车”或“小轿车”）的限速应该是100km/h。