专业英语教案(共18页).docx

精选优质文档-倾情为你奉上专业英语教案（其中放假1次，期中习题课1次）Unit 1 TECTONICS (4课时)（1：The structure of the earth2：plate tectonic 3：Earthquakes）一、 Word and phrasecore; mantle; crust 地核；地幔；地壳continental crust 大陆地壳granite; basalt 花岗岩；玄武岩sial; sima 硅铝层；硅镁层surface waves; body . 面波；体波 epicentre; focus 震中；震源 lithosphere 岩石圈tectonic plate 构造板块 continetal drift 大陆漂移 asthenosphere 软流层ocean ridge 洋脊ocean t