题目

如图所示“天宫一号”的成功发射是我国航天事业的又一壮举，飞船被火箭从发射塔推向高空，这是利用内能__________；火箭升空的瞬间，塔下大水池里的水由于__________，内能增加，迅速升温沸腾 答案：解析:略11、A friend of mine advised me to take the job, _______that once _______, an opportunity will never be regained. A. saying; missed                     B. saying; missing C. to say; to miss                     D. said; missing