亲，就要考试了，怎么办呢?不要怕，编辑老师为各位考生编辑了庆安县高一英语第二学期期末试卷， 希望大家多看多做多练~

The size and location of the world’s deserts are always changing. Over millions of years, as climates change and mountains rise, new dry and wet areas appear. But within the last hundred years deserts have been increasing after frightful speed. This is partly because of natural changes, but most responsible for creating deserts are men.

Man can make deserts, but they can also prevent them from getting bigger. Algeria is planning a green belt of trees along the edge of the Sahara Desert to stop the sand. In China, too, windbreaks are being built in the northwest to keep the desert from growing.

But desert still threaten the world. Experts believe that land that is on the way to becoming deserts equals the size of Australia, Russia and US put together. Can we stop the spread of the world’s deserts and save the land that is so essential to mankind? Yes, we can, And we must.

1. The reason for the land that turns into deserts is mostly because of _______

A. the changing of the climates         B. man

C. the natural changes                D. the wind

2. The word “windbreak” means _______

A. trees planted as a belt to stop the wind