小学英语课前热身绕口令可以帮助学生集中注意力，提高发音准确性和口语表达能力。以下是一些适合小学生的英语绕口令：
Cat, cat, little cat, Look at the cat.
Dog, dog, little dog, Sit up, dog.
Elephant, elephant, big elephant, Touch the ceiling with your trunk.
Giraffe, giraffe, tall giraffe, Reach the stars with your long neck.
Penguin, penguin, little penguin, Slide on your belly, penguin.
Tiger, tiger, fierce tiger, Roar loudly, tiger.
Fox, fox, cunning fox, Jump over the fence, fox.
Horse, horse, strong horse, Gallop fast, horse.
Cow, cow, big cow, Milking the cow, cow.
Sheep, sheep, little sheep, Bleat softly, sheep.
这些绕口令简单易懂，适合小学生在课前进行热身活动。通过练习这些绕口令，学生可以在轻松愉快的氛围中提高英语口语水平。