部分内容预览: 上接:八年级上国庆节10月3日作业(附参考答案) 10月4日 6、Scientists are trying to make the deserts(沙漠) into good land again. They want to bring water to the deserts so people can live and grow food. They are learning a lot about the deserts. But more and more of the earth is becoming(变成)deserts all the time.Scientists may not be able to change the deserts in time.