Sure! Here’s the information organized according to the prompts:

1. **What is the best title for the passage?**
- **B. Con Dao National Park**

2. **National parks are areas for**
- **A. the protection of the environment**

3. **What is the area of Con Dao National Park?**
- **C. 20,000 hectares.**

4. **Con Dao National Park has many kinds of**
- **B. ancient trees**

5. **Which of the following is NOT true, according to the passage?**
- **A. There are more and more national parks in the world.**

6. **Put the words in the correct order to make correct sentences:**
- **26. I / use / my family / our bicycles / is trying / more often.**

7. **27. Students / bring / water bottles / have to / to school / their own.**

8. **28. Using less energy / helps / conserve the environment / save money.**

9. **Rewrite the following sentences without changing their meaning. Use the given word(s) if any:**
- **29. To have a healthy lifestyle, we should exercise a lot. (THAT)**
- **We should exercise a lot to have a healthy lifestyle.**

- **30. Exercise regularly and you will be fit and healthy. (IF)**
- **If you exercise regularly, you will be fit and healthy.**

Let me know if you need any further assistance!