标题: 2000.01语法题2道 [打印本页] 作者: susan7375 时间: 2003-9-18 22:45 标题: 2000.01语法题2道 21，Caves are formed by the chemical or action mechanical of water on soluble rock, by volcanic activity, and by （earthquakes）. 答案为action mechanical，但我觉得earthquakes不对，应该是Earthquake才对呀！
39. Lowell, Massachusetts, known as the ‘Spindle City' since 1822 when its first texttile mills were built, attracted worldwide attention as textile center. 答案为as textile，why? 我觉得应该是attracted不对，应该为has attracted才对。