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    阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式.

    Colorful fruits and vegetables are helpful to our health. Their 1. (nature) colors help protect our bodies from disease. Think about the colors of fruits and vegetables---the red of tomatoes, the orange of carrots, the green of apples and the purple of grapes.

    You can enjoy 2. (eat) fruits and vegetables of all colors---green, yellow, blue, purple, and white. Each color 3. (be) important to our health. These colors work together to protect 4. (we) bodies. Scientists have studied them and discovered 5. good of colorful fruits and vegetables. The list below shows some benefits of some colors in fruits and vegetables:

    Red gives us a healthy heart. It can6. (possible) reduce heart disease. Red helps improve our memory.

    Yellow is good 7. our eyes.

    White can reduce cholesterol(胆固醇)．

    Green is helpful to eyes. It also gives us strong bones and 8. (tooth).

    Blue helps us keep a good memory as we grow old. It also helps fight heart disease.

    So, 9. you are buying or eating fruits and vegetables, remember 10. ( try)different colors of them.

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