本套真题为2026.7.14深圳BC赛格 雅思听力真题《The development of tinned food》(Part4), 共10题,题型包括填空题10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。
00:00:00,959Topic 137. The evolution and impact of tinned food. The development of tinned food led to increased competition among manufacturers to produce better and safer products. Methods of food preservation. Before tinned food, people used cheese mixed with lime to seal food containers to prevent spoilage. With long voyages becoming common, there was a need to store food for extended periods without bacterial contamination. Now we know that the main culprit of spoilage is bacteria. Innovatio...
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