选词填空。
[[QOrDeR]]Rainbows are ___________ of sunlight and water.
【小题2】There is a lot of water_________ the air.
【小题3】We see _______ the colours of the rainbow.
【小题4】When light bounces, it comes back to us the _________ colour --- white.
【小题5】When light is absorbed, it goes away and we see _______ .