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Read the second part, work in pairs, summarize the features about penguins. ?swim 25 miles an hour ?black backs, white fronts ?lay legs in groups ?stand still for a long time to keep their eggs warm on their feet ?birds, but can’t fly. not fish, but can swim fast Read the second part, summarize the features about giraffes. ?eat from tall trees ?spread front legs wide and bend necks ?sit on the ground and rest their heads on the necks ?run fast, cannot run for a long time ?walk for