四、閱讀測驗
Various food items prepared from corn are tasty and yummy and are popular with adults and children alike.It would be difficult to imagine an autumn barbecue without corn on the cob. Corn is loved because of its sweet flavor, but dietitians will tell you this popular vegetable actually can give you more than that.
Corn can be found in almost all parts of the world. In different countries, corn is available in various colors.The commonly known color is yellow, but blackish red, pink and even blue colored corn can be found in some regions. The yellow colored corn is a rich source of beta-carotene, which forms vitamin A in the body, essential for maintenance of good vision. Corn also has high levels of vitamin B1, B5, vitamin C, and folic acid. The folic acid in corn is now known to be an important factor in preventing heart disease. Moreover, this popular vegetable is high in fiber. In fact, it’s notoriously hard to digest, but its fiber keeps the intestine system active and thus helps tackle some common digestive problems. Last but not least, according to studies carried out at Cornell University in America, corn is a rich source of antioxidants which fight the cancer-causing free radicals. It is said that cooking increases the antioxidants in sweet corn, and they are shown to be effective in fighting tumors in breast cancer and liver cancer.
Corn is a rich source of many essential nutrients. A meal rich in corn can go a long way in protecting against many diseases. So, now you have every reason to snack on popcorn when watching a movie.