1. You may think there is only sand in the desert of the world, but it is not true. In the desert, as we know, there is a little  1 and it is not 2  for most plants. Still we can see some plants live in the desert.
There is  3  in some places in the deserts. We4  these places oases(绿洲). In the oases, there are villages and towns. People grow  5kinds of vegetables and rice in the fields there. People  6 live outside the oases. They have camels, sheep and other animals. These animals live  7  the desert plants for their food and do not need any water. The   8  are useful to the desert people in many ways. They eat the  9  and drink the milk of the animals. They  10  the camels for carrying water, food, and  11.
The people of the desert have to keep 12  from place to place. They must always look 13 grass or desert plants for their animals. When there 14 no more food for their animals, they move to another place. The desert people are  15. Every one in the desert likes to help the people in trouble and give them food and water.