Important materials in your food Foods contain different materials that help your body stay strong and healthy. One of the most important of these are proteins. They are absolutely necessary if the body is to grow, or if it is to repair ony injuries or damage to itself. Some of the principal sources of protein are lean meats, fish, and dairy products like milk and cheese.
The sugar and starches, known as carbohydrates, are substances that everyone needs. They supply energy for the body. Potatoes, seed vegetables, such as corn or beans, and grain products like rice, spaghetti, bread, cake and cookies are some of the foods that are sources of carbohydrates.
Your body also needs other materials called vitamins and minerals. These two important substances help the body to make good use of the foods you eat by making sure the proteins and carbohydrates do their jobs. They also help the body to make body tissues such bones, teeth, muscles, nerves and blood. By eating animal products like meat, eggs, and milk and using plenty of fresh vegetables and fresh fruits daily you can be sure of providing, your body with the vitamins and the minerals it needs.
1.Просмотрите текст и определите, какие видо-временные формы глагола использованы в нем. Поясните использование именно этих формы.
2.Найдите в тексте словосочетания, is to grow, и is to repair чтобы ремонт. поясните в них функцию глагола to be(в форме is) и переведите предложения на русский язык в соответствии контекстом.
3. В тексте найдите глаголы в 3-й форме и слова и с суффиксом -ing,определите их функции в предложении и переведите на русский язык в соответствии с контекстом.
