已知:如图,斜坡AP的坡度为1:2.4,坡长AP为26米,在坡顶A处的同一水平面上有一座古塔BC,在斜坡底P处测得该塔的塔顶B的仰角为45°,在坡顶A处测得该塔的塔顶B的仰角为76°.求:
-- Anna, could you lend me this book, please?
-- I'm sorry. I it for only two days, and I haven't finished it yet.
2时____120分
当我们的某些长处受到他人肯定时,会感到格外高兴;当我们做了好事受到集体和他人称赞时,心情就十分舒畅。这是因为( )