题目

17世纪，意大利物理学家伽利略根据实验指出：在水平面上运动的物体之所以会停下来，是因为受到摩擦阻力的缘故．这里的实验是指“伽利略斜面实验”，关于该实验，你认为下列陈述不正确的是（ ） A . 该实验否定了亚里士多德“力是维持物体运动的原因”的错误概念 B . 该实验是一理想实验，是在思维中进行的，无真实的实验基础，故其结果是不可信的 C . 该实验为牛顿第一定律的提出提供了有力的实验依据 D . 该实验是以可靠的事实为基础根据语境，填写适当的词语或句子补全对话。A:  Hi, Tom. Why 1.        _  you do PE today?B:  I have broken my arm.A:  2.        _  did you do that?B:  I fell off my bike.A:  Sorry to hear that.  3.        _?B:  Yes. I went to the clinic yesterday, and the X-ray showed that my arm was not serious.A:  OK. Why do you 4.        _?B:  Because I'm afraid I'll miss more lessons and I'll be left behind.A:  Don't worry. Just take care of yourself. I think I can 5.        _  you.B:  Thank you.