Based on Alex's blog regarding her dream house, here are the answers to the questions:

1. **How does Alex describe the city center?**
**B. noisy**

2. **The word they refers to**
**A. bedrooms** (referring to the two bedrooms mentioned)

3. **Which of the following is in the bedroom?**
**B. balcony** (referring to the features outside the bedroom)

4. **What decorations won't she have?**
**A. paintings** (there is no mention of paintings in her dream house description)

5. **Which of the following can you infer from the passage?**
**C. Alex has an exciting life.** (implies she enjoys nature and a comfortable lifestyle)

If you have any further questions or need additional details, feel free to ask!