2. 外语
  3. The biggest oil spill happened in 1989. Scientists are studying and developing solar power, wind power, and hydroelectric______

The biggest oil spill happened in 1989. Scientists are studying and developing solar power, wind power, and hydroelectric______

admin2009-04-23  49
问题 The biggest oil spill happened in 1989.
Scientists are studying and developing solar power, wind power, and hydroelectric______to replace oil.
选项
答案technologies
解析 在文章最后一段，作者提到了科学家们正在研究和开发太阳能、风能以及水电来替代石油。
转载请注明原文地址:https://kaotiyun.com/show/l3C7777K
0

大学英语四级

相关试题推荐
随机试题
最新回复(0)