寒假时,我参加了新少年杂志社举办的“道德实践体验教育冬令营”活动。回忆三天的活动,给我印象最深的是参观沈阳科学宫科技展览。我们早上八点半就出发,开始了科学宫之旅。我们首先参观了“长征”二号载人航天飞船的模拟发射演示、火箭以及卫星的各种模 During winter vacation, I participated in the activity of “Moral Practice Experience Education Winter Camp” organized by New Youth Magazine. Memories of three days of activities, most impressed me is to visit Shenyang Science and Technology Exhibition. We set off at half past eight in the morning and started the Science Palace Tour. We first visited the simulated launching demonstration of the Long March II manned spacecraft, various models of rockets and satellites