What are Arturo Montero and Guillermo de Anda NOT investigating in the cenote？ （Text 1A）（）
A. whether the ancient Maya had depleted the cenote’s water from overuse
B. whether the ancient Maya went there to give thanks and offer sacrifices
C. whether the ancient Maya used the cenote as a sundial and timekeeper
D. whether ancient Maya priests used the cenote to correct their measurements of the sun’s angle when it reached the zenith
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What is the main purpose of paragraphs K and L？ （Text 1A）（）
A. to explain a long-forgotten cultural practice
B. to explain how one villager became the new Chaak
C. to explain how a village prays to Chaak for rain
D. to explain what villagers do during the milpa ceremony
What does it refer to in I saw it, I saw it! ？ （lines 3–4） （Text 1A）（）
A. the cenote
B. the zenith light
C. the stone sundial
D. the mouth of the well
Why is farming particularly difficult for the Maya？ （Text 1A）（）
A. Rivers flood regularly
B. Rain does not sink into the ground
Crops like corn suck nutrients from the soil
D. There are not enough farmers during harvest time
How did the climate in Angkor change in the 1300s？ （Text 1B）（）
A. Winters became too cool to grow rice
B. Rising temperatures caused great discomfort
C. There were terrible storms and constant flooding
D. Weather conditions became more extreme
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