Our innovative products and services for learners, authors and customers are based on world-class research and are relevant, exciting and inspiring. 评估考生所使用词汇的范围以及所使用词汇的准确性和恰当性。 语法范围和准确性 这种题型测试多种阅读技能，包括：对具体要点的详细理解或对�