1) The document contains an English lesson for 5th grade with various exercises about animals, including writing riddles, choosing the correct words to complete sentences, matching animals to their sounds and homes, and filling in missing words in passages.
2) Exercises include identifying animals' tails, adjectives to describe sizes and speeds, groups of animals such as herds and packs, and characteristics of animals like lions, snails, and their habitats in Africa.
3) Students are tasked with learning about different animals through a series of language and comprehension exercises.