2. 外语
  3. Nature’s ways of maintaining the balance are simple and easily understood. The balance of nature is to be maintained so as to p

Nature’s ways of maintaining the balance are simple and easily understood. The balance of nature is to be maintained so as to p

admin2013-06-17  44
问题 Nature’s ways of maintaining the balance are simple and easily understood.
The balance of nature is to be maintained so as to prevent ______.
选项
答案soil deterioration
解析 由第四段第一句可知答案。
转载请注明原文地址:https://kaotiyun.com/show/PZM7777K
0

大学英语四级

相关试题推荐
随机试题
最新回复(0)