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懂你英语Level3-Unit3-Part1-[3]Vocabu

懂你英语Level3-Unit3-Part1-[3]Vocabu

作者: 佩满 | 来源:发表于2019-11-13 16:06 被阅读0次

    1. Mammals are covered by hair or fur, have a backbone and are warm-blooded.

    2. All female mammals produce milk for their young.

    3. Reptiles are covered by scales and include snakes, lizards and turtles.

    4. Reptiles have a backbone and are cold-blooded, which means they often rely on external sources of heat.

    5. Birds are covered by feathers and are warm-blooded.

    6. Most birds can fly and many types of birds migrate great distances.

    7. Most insects such as ants and bees have a small, 3-part body with 3-pairs of legs.

    8. Some insects, like mosquitoes, spread diseases that cause the deaths of many humans.

    9. Unlike animals, plants get the energy that they need from the sun.

    10. Plants convert light energy, along with carbon-dioxide and water, into chemical energy.

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