This book contains 5 units, 12 lessons, 364 new words, and 37 grammar notes. Both difficulty of topics and quantity of vocabulary are increased in this book. To help students gradually adapt to augmentations, style of writing in this book has changed from dialogical text to narrative text. Topics are broadened from school life to social life, including going to airport, enjoying party, and job hunting, so as to help learners master the more practical and useful Chinese. The book requires 95 studying hours.
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