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polystyrene n. 聚苯乙烯 polymer n. 聚合体 iridescent adj. 闪光的 malleable adj. 有延展性的 spoilage n. 腐败 难句突破： A group of researchers from the University of Southampton, in England, and the German Plastics Institute in Darmstadt, led by Jeremy Baumberg, have discovered how to create a plastic with the gemstones iridescent properties. [主体句式] A group of researchers have discovered [结构分析] 这是一个简单句，led by过去分词结构是前面researchers的定语 [句子译文] 英国南安普敦大学的一群研究者和Jeremy Baumberg领导的位于达姆施塔特的德国塑料研究所发现了如何用宝石闪光的特性来制造一种塑料。 Light entering this lattice gets bounced around in ways that generate colour by reinforcing the peaks of some wavelengths and cancelling out those of others. [主体句式] Light gets bounced around in ways that [结构分析] 这是一个复合句，that引导的定语从句用来修饰ways. [句子译文] 进入该格子的光线反弹回来，通过加强了一些波长的波峰和减少了其他的波峰长度来产生出颜色。 题目分析： 1.Which one of the following statement is NOT true of the opals according to the passage? 1. 根据这篇文章，下列哪个陈述是不正确的? | 
