题目

阅读短文，回答下列问题。 Every weekend is important to the Franklin's family. During the week they don't have very much time together, but they spend a lot of time together on the weekend. Mr. Frankin works at the shoe store downtown during the week, but he doesn't work there on the weekend. Mrs. Franklin works at the city hospital during the week, but she doesn't work there on the weekend. Bobby and Sally Franklin go to the junior high school during the week, but they don't go there on the weekend. And the Franklin's dog Rover stays at home alone during the week, but he doesn't st读图，回答下列问题：12分（1）简答我国这个地区荒漠化发展快的原因。5分（2）简答土地荒漠化向东、向南扩展的原因。2分（3）华北地区哪种天气现象是土地荒漠化的迹象？1分（4）针对图中地区出现的环境问题，我国采取的主要措施有哪些？4分