1. The document provides answers and explanations for an intermediate-high level Chinese proficiency test. It includes answers to test questions and explanations of grammar points like parts of speech, measure words, and passive voice constructions. 2. Key grammar points explained include the difference between "distinctive" and "distinguished", the meaning and usage of "of" in Chinese, and how to use substitutive verbs like "replace", "substitute", and "fill in". 3. Tips for reading comprehension are provided, highlighting the importance of paying attention to intro/concluding sentences, transitional words, numbers and proper nouns.