начало книжный клуб методы софт о преподавателе
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Mammals are animals that give milk to their babies. They have got warm blood. Reptiles are animals that have got cold blood. They all lay eggs and their skin is thick. Insects are animals that have got six legs. Most of them have got wings and can fly. Birds are animals that lay eggs. Many of them can fly. Their blood is warm. Fish are animals that live in water. Their blood is cold.
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