【环境保护】读下图，回答下列问题。（10分）
我国部分区域水土流失状况分布示意图
(1)图示区域中，水土流失地区分布规律是什么？（6分）
(2)简述图示A区域水土流失严重的人为原因。（4分）
(1)大致呈东北—西南方向延伸；最严重的地区集中分布在黄土高原地区；主要位于我国地势的第二级阶梯上。（6分）
(2)植被破坏；不合理的耕作制度；开矿；大型工程建设不当等。（4分）
题目分析：
（1）通过读图的河流输沙量可以看出水土流失严重地区主要分布在黄土高原地区及地势的第二级阶梯上，呈东北—西南走向。
（2）水土流失的人为原因主要从不合理开垦、不合理放牧、不合理开矿等方面回答，难度较小。
| 从下列方框中选适当的词或短语填空，注意其形式变化。 | |
2. I tried to get Jane to join us tonight, but she won't ____. She prefers to stay at home in the evening. 3. I heard the news report, but I'm not sure if the information was ____ or not. 4. I have been working with her ____ I graduated from university. 5. Sandy told me that she really didn't ____ sports at all. She was just interested in one player. 6. The little boy had such a bad ____ when the guests arrived that his mother told him to go to his room until he could be friendlier. 7. It took three days to ____ the food, clothes and medicine to the disaster-hit (受灾) area. 8. It took me three hours to persuade him, and he finally ____ and agreed to help us. 9. I think they've finally ____ to spend next summer in Europe, rather than going to the USA. 10. When writing, it is very important to ____ and present your ideas clearly. |