湖北省黄冈市2014
高考英语阅读理解冲刺课外自练（10）及答案阅读理解 wind is the great maker of waves. there are exceptions, such as the tidal (潮汐的) waves sometimes produced by earthquakes under the sea. but the waves most of us know are produced by winds blowing over the sea. now before constructing an imaginary life history of a typical wave, we need to know certain physical things about it. a wave has height, from trough (low point) to crest (high point). it has long-th
