HOW LONG DOES IT TAKE LIGHT FROM THE NEAREST STAR TO REACH US

85. - Tổng hợp 24 đề thi thử Đại học môn Tiếng Anh 2016 85. - Tổng hợp 24 đề thi thử Đại học môn Tiếng Anh 2016
Tiếng Anh Tổng hợp 24 đề thi thử Đại học môn Tiếng Anh 2016
85. How long does it take light from the nearest star to reach us? Ạ one year B. four years C. one hundred years D. one thousand years In order to stay healthy it is important to have a balanced diet. We should eat enough three main groups of food. These groups are protein, carbohydrate, and fat. Protein are very important for building our bodỵ They help us to build new cells as old ones diẹ Meat and milk products are major sources of protein. We can also get protein from fish, eggs and beans. Carbohydrates and fat are important to enable us to store energỵ Carbohydrates are found in sugar and in cereals. Fat can be found in vegetable oil, in butter and in nuts. Our body also needs minerals, such as iron and calcium, and vitamins. Fish, vegetables and milk contain most of the minerals we need. Vitamins are found in fresh vegetable and fruit.