activity book ex. 1, 2 Reader ex. 1

It seems like you're referencing specific activities or exercises from an activity book and a reader, but I don't have access to those materials. If you could provide more details about the exercises, such as their topics or content, I’d be happy to help you with explanations, summaries, or study tips related to that material. Please share any important information, and I'll assist you to the best of my ability!