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题库 / Prep2007E2-SC-77
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.
with more than 75 carefully engineered structures, of up to 600 rooms each, were
with more than 75 carefully engineered structures, of up to 600 rooms each,
of more than 75 carefully engineered structures of up to 600 rooms, each that had been
of more than 75 carefully engineered structures of up to 600 rooms and with each
of more than 75 carefully engineered structures of up to 600 rooms, each had been
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查克峡谷的Anasazi居住地建造的规模宏大，有超过75个复杂的工程结构，每个工程结构都有超过600个房间，所有的工程结构之间由复杂的区域路径连接起来。
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