返回

托福阅读

2013年4月托福考试辅导:toefl阅读模拟试题第四套(1)

Geothermal Energy Paragraph 1: Earth's internal heat, fueled by radioactivity, provides the energy for plate tectonics and continental drift, mountain building, and earthquakes. It can also be harnessed to drive electric generators and heat hom...

2013年4月托福考试辅导:toefl阅读模拟试题第四套(1)的相关文章