【分析解答题】

Read a short passage and then listen to part of a lecture on the same topiC、

Reading Time: 45 seconds
Antarctica
Antarctica and the ocean that surrounds it constitute 40 percent of the planet, but in spite of its vast area, it has remained a frontier with no permanent towns or transportation networks.Between 1895 and 1914, explorers planted their flags, claiming various sectors and the raw materials in them for their countries. Nevertheless, the remote location and the harsh environment have encouraged a spirit of cooperation among nations who maintain claims. Furthermore, becauseAntarctica plays a crucial role in the global environmental system, the exploitation of resources could have unpredictable consequences for the entire worlD、TheAntarctic Treaty, signed in 1961 and expanded in 1991, ensures scientific collaboration, protects the environment, and prohibits military activities.
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Now listen to part of a lecture in a geography class. The professor is talking aboutAntarcticA、
Question
Explain why many countries have staked claims inAntarctica, and why national interests have not been pursueD、
Preparation Time: 30 seconds
Recording Time: 60 seconds