A new study says ancient snow on top of Mount Kilimanjaro in Tanzania could be gone in about 20 years. Huge layers of ice formed

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问题     A new study says ancient snow on top of Mount Kilimanjaro in Tanzania could be gone in about 20 years. Huge layers of ice formed on the African mountain during a wet(S1)______ about 11, 000 years ago. But scientists say the ice on top of the mountain is melting because of rising(S2)______ in recent years.
    The scientists used maps, modern navigational(S3)______ and markers placed on the mountain to(S4)______the ice. They found that the ice on Mount Kilimanjaro has(S5)______ from about 12 square kilometers in 1912 to about 2 square kilometers today. That is about an 80 percent reduction in the ice. Scientists say the ice will be gone by 2020 if it continues to melt at its current rate.
    Mount Kilimanjaro is the highest mountain in Africa. It is almost 5,900 meters high. The top part of the mountain is(S6)______ with snow. The mountain rises above flat land. The land is home to many different kinds of animals. Many stories have been written about the famous mountain. The most famous is Ernest Hemingway’s The Snows of Kilimanjaro. Some ancient(S7)______ in Africa consider the mountain to be a(S8)______ place.
    About 20, 000 people visit Mount Kilimanjaro every year to see the famous snow-topped mountain. It even has its own(S9)______ airport. The government of Tanzania fears that the melting ice will affect tourism and weaken the economy. The(S10)______ ice already has reduced the amount of water(S11)______ from the mountain to some Tanzanian rivers. Water from the mountain supplies many villages.
(S7)
A new study says ancient snow on top of Mount Kilimanjaro in Tanzania could be gone in about 20 years. Huge layers of ice formed on the African mountain during a wet(S1)period about 11,000 years ago. But scientists say the ice on top of the mountain is melting because of rising(S2)temperatures in recent years.
    The scientists used maps, modern navigational(S3)satellites and markers placed on the mountain to(S4)measure the ice. They found that the ice on Mount Kilimanjaro has(S5)shrunk from about 12 square kilometers in 1912 to about 2 square kilometers today. That is about an 80 percent reduction in the ice. Scientists say the ice will be gone by 2020 if it continues to melt at its current rate.
    Mount Kilimanjaro is the highest mountain in Africa. It is almost 5, 900 meters high. The top part of the mountain is(S6)covered with snow. The mountain rises above flat land. The land is home to many different kinds of animals. Many stories have been written about the famous mountain. The most famous is Ernest Hemingway’s The Snows of Kilimanjaro. Some ancient(S7)beliefs in Africa consider the mountain to be a(S8)holy place.
    About 20, 000 people visit Mount Kilimanjaro every year to see the famous snow-topped mountain. It even has its own(S9)international airport. The government of Tanzania fears that the melting ice will affect tourism and weaken the economy. The(S10)decreasing ice already has reduced the amount of water(S11)flowing from the mountain to some Tanzanian rivers. Water from the mountain supplies many villages.

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