练习内容紧扣教材，形式灵活多样，练习量大 Varieties of exercises，closely coordinated with its matching textbook 全面巩固各项语言要素，充分体现练习册的辅助作用 Reinforcing all language elements，serving as a complete supplement to the textbook 所有练习题均配有拼音，便于学生独立完成 All exercises containing pinyin text，easy for students to complete independently
