题目内容：

    Colourful fruit and vegetables are good for our health. Their natural colours help protect our bodies from disease(病，疾病). Think about the colours of fruit and vegetables: the red of tomatoes, the orange of carrots, the green of kiwi and the purple of grapes.

    You can enjoy eating fruit and vegetables of all colours---green, yellow, blue, purple, and white. Each colour is important to our health. These colours work together to protect our bodies. Scientists have studied them and discovered the good of colourful fruit and vegetables. The list below shows the good of some colours in fruit and vegetables:

Red gives us a healthy heart. It can reduce(减少，降低) heart disease. Red helps improve our memory(记忆力).

Yellow is good for our eyes.

White can reduce cholesterol (胆固醇) .

Green is good for our eyes, too. It also gives us strong bones and teeth.

Blue helps us keep a good memory as we grow old. It also help fight heart disease. So when you are buying or eating fruit and vegetables, remember to try different colours of fruit and vegetables.

1.Red can reduce___________.

A. eye disease   B. cholesterol    C. reduce cholesterol     D. heart disease

2.Which colour can improve our memory?

A. Red.          B. Green.          C. Blue.            D. A and C.

3.If you want to keep your body strong, which colours are good for you

A. Red and green.               B. Yellow and blue.

C. White and orange.                    D. All the above.

4.The passage mainly tells us_____________.

A. the importance of colourful fruit and vegetables       

B. white can reduce cholesterol

C. yellow is also good for our eyes                 

D. green gives us strong bones and teeth