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  3. The Mysteries of Nazca In the desert of Peru, 300 kilometers from Lima, one...

The Mysteries of Nazca In the desert of Peru, 300 kilometers from Lima, one...

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问题 The Mysteries of Nazca
In the desert of Peru, 300 kilometers from Lima, one of the most unusual artworks in the world has mystified (迷惑）people for decades.  (46) But from high above, these marks are huge images of birds, fish, seashells all beautifully carved into the earth.
The Nazca lines are so difficult to see from the ground that they weren’t discovered until the 1930s, when pilots spotted them while flying over the area. In all, there are about 70 different human and animal figures on the plain, along with 900 triangles, circles, and lines.
Researchers have figured out that the lines are at least 1,500 years old, but their purpose is still a mystery. __________ (47) However, it would probably be very tricky to land a spaceship in the middle of pictures of dogs and monkeys.
In the 1940s, an American explorer named Paul Kosok suggested that the drawings were a chronicle (记录)of the movement of the stars and planets. ______ (48) Later, an astronomer tested his theory with a computer, but he couldn’t find any relation between the lines and movements in space.
Another explanation is that the lines may have been made for religious reasons. British researcher Tony Morrison investigated the customs of people in the Andes Mountain and learned that they sometimes pray by the side of the road. It’s possible the lines of Nazca were created for a similar purpose. ___________ (49) But the local people have never constructed anything this big.
Recently, two other scientists, David Johnson and Steve Mabee, have speculated that the lines could have been related to water Nazca is one of the driest places in the world and receives only 2 cm of rain every year. While Johnson was searching for ancient water sources in the area, he noticed that some waterways built by ancient people were connected with the lines. Johnson believes that the Nazca lines are a giant map of the underground water in the area. ________ (50)
  (49)
A He called Nazca "the largest astronomy book in the world".
B Seen from the ground, it looks like lines scratched into the earth.
C Scholars differ in interpreting the purpose of the designs.
D Other scientists are now searching for evidence to prove this.
E
选项 A Swiss writer named Erich von Daniken wrote that the Nazca lines were designed as a landing place for UFOs.
F The largest pictures may have been the sites for special ceremonies.
答案A
解析从空格前后的两个句子可以看出，这一段是从天文学研究的角度来揣测这些奇怪图像的作用的。6个选项中只有A项和天文有关"the largest astronomy book in the world"。此外，这句话中的代词he也能在上文中找到合适的所指，即"an American explorer named Paul Kosok"。
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