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Our innovative products and services for learners, authors and customers are based website on world-class research and are Wesentlich, exciting and inspiring.这种题型要求考生将一组陈述或信息与一系列选项配对。选项是文中的一组特征，用字母（A、B、Kohlenstoff 等）标识这些特征。考生需要将正确的�