题目

When still a young child, Morales Casanova saw children harm local trees. And sometimes they ______harm their own pets. So she formed a group called Humanity United to Nature in Harmony for Beauty, Welfare and Goodness to________the problem. Through small group meetings, she taught friends to grow plants and care for pets, inspiring new________for nature.A few years later, at age 13, she sent the president of Mexico a________for creating a protected area to train children about________issues and was awarded the prize for National Youth Award for Environmental Protection, which________the expan 已知打点计时器用的交流电的频率为50 Hz，纸带的记录如下图所示，按照打点的顺序，从A点开始每五个点取一个计数点，依次计为A、B、C、D、E、F、G，则物体的运动是________运动(填“加速”、“减速”)，打下E点时的瞬时速度为________m/s．