The Anasazi settlements at Chaco Canyon were built on a spectacular scale, with more than 75 carefully engineered structures, of up to 600 rooms each, were connected by a complex regional system of roads. 答案(B)scale, with more than 75 carefully engineered structures, of up to 600 rooms each,我觉得of up to 600 rooms each应该修饰structures可是with more than 75 carefully engineered structures难道不是插入语吗这样of up to 600 rooms each不就是修饰The Anasazi settlements了吗都是插入语OG的解释好像也是说of up to 600 rooms each, connected by a complex regional system of roads是修饰structures这是个什么结构呢 -- by 会员 lonelyboat (2010/3/8 19:21:53)
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