题目

Dear Friend, The recent success of children's books has made the general public aware that there's a huge market out there. And there's a growing need for new writers trained to create the $3 billion worth of children's books bought each year ... plus stories and articles needed by over 650 publishers of magazines for children and teenagers. Who are these needed writers? They're ordinary folks like you and me.ks.5u But am I good enough? I was once where you might be now. My thoughts of writing had been pushed down by self-doubt, and I didn't know where to turn for help. Then, I accepted a free12．2013年我国在酒泉卫星发射中心发射“神舟十号”飞船．（1）火箭在加速上升过程中，燃料燃烧将化学能转化为燃气的内能，再转化为火箭的机械能；（2）当火箭在大气层中快速飞行时，会与大气层发生剧烈摩擦，其温度会升高，内能会增大（选填“增大”或“减小”），这是通过做功的方式改变物体的内能．