题目内容：

根据短文内容和首字母提示拼写单词：

People may easily ignore that we are living in a world full of different colours, such as red, blue, green, black, v___1._ and so on. We can never tell how many kinds of them there are. But we all know that colours are very important in people's e___2.__ life.

The sky is blue and white. The trees are green and yellow. We can even say that spring is fresh green, summer is hot blue, autumn is golden yellow and winter is cold white. I   3. one day all the colors disappear, what will it be to live in this world? We feel bored. We can't even tell the differences between the sky and land, between trees and houses.

The world is c__4.__. And we can't live   5.  colors.