問題詳情

    An eighty-square-kilometer area of Peru’s Nazca Plains is home to hundreds of mysterious man-made lines. Some of the lines consist of geometric patterns, but there are also carefully drawn figures of monkeys, spiders, birds, and even human beings. The patterns and animal shapes can only be seen from the air because they’re so big, and because the site covers such a large area. Some figures are almost three hundred meters long!The lines were made by removing dark-colored rocks to let the light-colored soil underneath them show. The contrast between the color of the soil and the surrounding rocks allowed the Nazca Indians to draw these pictures.
The mystery lies in the fact that at the time the lines were made, it’s unlikely that humans had the technology to
fly. Formation of the figures would have been difficult, but not impossible, without the benefit of a bird’s eye view. Who was meant to see them anyway? Predictably, some people suspect that the lines were meant to be seen by extraterrestrials.igures as a ritual way to pray for health, protection, and good harvests. Others suggest the lines are the proof that the ancient Nazca Indians in fact have advanced technology that allowed them to fly, perhaps in hot air balloons. Whatever it is, the real reason is likely lost forever in the sands of time.

Many explanations have been provided for why the lines were made. One theory is that the lines were religious symbols, meant to be seen by gods. Another theory is that Nazca Indians walked the outlines of the

72. The ancient Nazca Indians drew the pictures by .
(A) taking the dark-colored rocks away
(B) putting the dark-colored rocks in a pile
(C) adding the lighted-colored soil to the ground
(D) turning the lighted-colored soil into rocks

參考答案

答案：B[無官方正解]
難度：非常困難0
統計：A(0),B(2),C(1),D(1),E(0)

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