文化是什么政治:who can not see a when he goes to hospital

who can not see a when he goes to hospital what can people make but not see? I have many leaves,but I'm not a bloom and not a tree.You can see me every day.what am i? How far can be gone,lie in with who see! a town there you can see Wh must obey the traffic rules.We can not be h___ by car. Can you see a kite on the well? A.Yes,Ican .B.No,I'm not C.Sorry,Ican'tD.Sorry,Ican who can give me a hand? who can jump higher than a house He who can, does. He who can not, teaches.什么意思呢