Решение:
A. Alisa's trip was an exploration of ecotourism in Russia, specifically on the Kamchatka Peninsula. It is mentioned in the text that she visited stunning landscapes and diverse wildlife, including volcanoes and hot springs. Therefore, the correct answer for this question would be:
- didn't leave the country.
B. The main focus of Alisa's trip was to learn about the importance of preserving natural wonders and the responsible use of natural resources. The text emphasizes her experiences in witnessing the beauty of nature and participating in activities like planting trees and cleaning up local beaches. Thus, the correct answer is:
- the importance of protecting the nature.
C. Alisa joined a group of like-minded teenagers who were passionate about protecting the planet. They engaged in activities like planting trees and cleaning up local beaches to make a difference. The text does not mention them being from other countries or being there for the first time. Thus, the correct answer is:
- came from the same country.
Therefore, the correct answers are: A) 3) didn't leave the country B) 2) the importance of protecting the nature C) 4) came from the same country