Ur innovative products and services for learners, authors and customers are based on world-class research and are Wesentlich, exciting and inspiring. 这部分通过回答一系列问题测试考生就日常话题、常见经历或情况发表意见和提供信息的能力。 一系列用箭头连接的方框或步骤，用来显示事件发�