如图所示中的几个运动过程中,物体弹性势能增加的是( )A.如图(甲),跳高运动员从压杆到杆伸直的过程中,杆的弹性势能B.如图(乙),人拉长弹簧过程中弹簧的弹性势能C.如图(丙),模型飞机用橡皮筋发射出去的过程中,橡皮筋的弹性势能D.如图(丁),小球被弹簧向上弹起的过程中,弹簧的弹性势能
听录音,选词填空。
A. teacher B. student C. short D. quiet E. sports Hello! I'm Lily. I'm 10. I'm an English 1___________. I like 2___________. I have 3___________ hair. My friend Ann is 4___________. She likes music. Our 5___________ is Miss Zhang. We all like her.