本套真题为2016.6.4 雅思阅读真题《The Development of Plastics》(Part1), 共7题,题型包括判断题6题、图表流程填空题1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,适合冲刺雅思阅读高分的考生备考使用。
A The first plastics were developed as a substitute for natural rubber. Chemically, rubber is a polymer - a compound containing large molecules that are formed by the bonding of many smaller, simpler units, repeated over and over again. The same bonding principle polymerization - is the basis of the creation of a huge range of plastics by the chemical industry. B The first plastic was developed as a result of a competition in the USA. In the 1860s, $10,000 was offered to anybody w...
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