Read the text. Then choose the correct answer for each question below (1-4). Although snakes are some of the most commonly feared animals, only one out of ten is dangerous. Few people know that snakes are timid creatures that prefer to stay hidden. Most snakes will never attack unless they feel threatened am use warning mechanisms and behaviors before attacking. Unfortunately, others are poisonous - so most snakes are hated and persecuted. The process of learning more about them and learning to identify the really dangerous ones may help us to keep them from disappearing. Many snake today are in danger of extinction because of indiscriminate hunting and habitat destruction. Not only ecologists but ail people must be concerned about their welfare, helping to ensure that they continue to be part of life on Earth.