[多项选择]Section B （10 marks） Questions 61－65 are based on the following passage． For more than a mile， the desert in southern Peru has a curious ruler－straight and tacksharp design made by rocks ． The wandering mule paths that cross it only emphasize its precision． Throughout hundreds of square miles of arid plateau， other such markings around， most of them concentrated between the towns of Nazca and Palpa． Known as the Nazca Lines， they form a geometric mélange of quardrangles， triangles，and trapezoids ． The markings also form spirals and flowers， narrow lines that extend more than five miles， and a desert zoo of giant creatures － birds ， reptiles ，whales， a monkey， and a spider－ all made by stones whose patterns can only be seen from the air． Because some of the figures resemble the ones that decorate Nazca pottery， archaeologists attribute the lines to the Nazcas， a coastal people whose culture rose， flourished， and declined between 100 BC and AD 700． Making the patterns must have been

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