题目

任务型阅读Mary and Kate are good friends. In the morning, they usually go to school together. They have English at 8:00. Mary and Kate like English because it’s interesting. After English, they have math. Mary likes math, but Kate doesn’t like it because it’s difficult. After math, they have music. Mary and Kate like music because it’s relaxing. Their music teacher is their favorite teacher.After lunch, they have P.E. and Chinese. They don’t like P.E. because it’s boring. Chinese is Kate’s favorite subject because it’s exciting.【1】What time do Mary and Kate have Englis2．下列关于加速度的说法正确的是（　　）A．加速度表示运动中增加的速度B．加速度表示速度变化的快慢程度C．加速度表示速度的变化量D．加速度在数值上等于单位时间内速度的变化量