We all know that if we want to keep our body in good shape we have to do physica

We all know that if we want to keep our body in goodshape we have to do physical exercise regularly as well as be careful with whatwe eat. What we tend to forget is that this goes for our eyes as well. Medicalscience confirms that a diet rich in carotenoids (类胡萝卜素) can help maintain good vision(维持好视力) and prevent against a number of eye diseases. Here'ssome advice about how to choose the right diet to keep your eyes healthy.

— Eat orange food. Fruits and vegetables with orangeflesh are rich in carotenoids. In addition to carrots，oranges，pumpkins andsweet potatoes are also available. All of these contain high levels ofcarotenoids，which help to maintain good vision.

— Include dark green vegetables，such as spinach (菠菜) andbroccoli (西兰花) in your diet, to act as naturalsunglasses. Recent scientific studies have shown that these vegetables can helpblock (阻挡) the damaging UV radiation(紫外线辐射)from the sun's rays.

— Prevent some eye diseases with orange juice, yellowcorn, whole milk, nuts and leafy vegetables. These foods are good sources ofvitamins A, C, D and E. All of these are  necessary to good eye health.

— Increase your intake of omega­3 with some sea fish,and some other seafood. Omega­3 helps build cell walls and is especiallybeneficial to keeping eyes healthy .It also helps regulate the eye's internalpressure and helps the eye dry up excess fluid.

1.We can learn from the first paragraph that healthyfood.

A．keeps eyeshealthy

B．means youdon't need exercise

C．can help cureeye diseases efficiently(有效地)

D．means peopledon't have to wear glasses

2.Why should people eat orange food according to thetext？

A．It isbeneficial to building cell walls in eyes.

B．It is moredelicious than other food.

C．It is goodfor eyesight.

D．It is rich invarious vitamins.

3.Which of the following can help block the damaging UVradiation from the sun's rays？

A．Pumpkins.         B．Juice.             C．Nuts.             D．Broccoli.

4.The purpose of the text is to tell people how to.

A．keep theirbody in good shape

B．choose ahealthy diet for their eyes

C．preventserious eye diseases

D．get naturalsunglasses from food

试题答案

【答案】

1.A

2.C

3.D

4.B

【解析】

试题