本套真题为2009.2.28/2007.12.8 雅思听力真题《Water Shortage in Australia》（Part4）， 共10题，题型包括single_choice2题、填空题8题。配套AI逐题解析、同义替换与错因分析， 支持在线机考模式练习，适合冲刺雅思听力高分的考生备考使用。
00:00:00,980Now listen carefully and answer questions thirty-one to forty. 00:00:07,320Good morning, and welcome to yet another lecture in environmental science. I don't think I'm telling you a secret when I mention that water is a big worry here in Australia. The stuff is scarce. Perhaps that's why we drink so much beer, eh? Seriously, though, a safe and reliable source of water is one of the great concerns of people everywhere. Moreover, as the world population grows, the pressure on existing ...
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