II. READING

Task 1. Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.

Ecotourism: A Sustainable Way to Travel

Ecotourism is a form of tourism that focuses on visiting natural areas while minimizing environmental impact and supporting local communities. It is becoming increasingly popular as people look for ways to travel responsibly and experience nature. Ecotourists often participate in activities like hiking, wildlife watching, or exploring remote regions, allowing them to connect with nature and learn about local cultures.

One of the key principles of ecotourism is sustainability. This means preserving the natural environment and ensuring that tourism benefits local communities. For example, many ecotourism projects hire local guides, support small businesses, and fund conservation efforts. These activities help improve the lives of residents while protecting ecosystems.

However, ecotourism is not without its challenges. If not managed properly, it can still harm the environment. Too many visitors in fragile areas may lead to habitat destruction or disturb wildlife. To address these issues, experts recommend limiting visitor numbers and educating tourists about eco-friendly practices.

Overall, ecotourism provides a way to enjoy nature while protecting it for future generations. By choosing eco-friendly travel options, tourists can help create a positive impact on the planet and the people who depend on it.

The word "them" in paragraph 1 refers to _____. A. natural areas B. ecotourists C. activities D. local cultures