Tham khảo tài liệu 'english skills - through pictures (phần 2) part 13', ngoại ngữ, anh ngữ phổ thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Where do we get our food We get much of it from the earth. We use some sorts of animals and birds to give us food. Great parts of the earth are covered with grass a plant which grows with narrow green leaves and puts down roots quickly. There are more than three thousand different sorts of grasses growing. Grass has very small seeds which are used as food by bữds and small animals. Man has discovered how to grow Wheat rice corn and other grains come from grass. The grain lands of the world have been planted by men. From grain man gets an important part of the food that gives him energy. discover make th discovery of. get to know. largo great In size large larger largest growl come up from seeds in the earth get larger. will discover discovert discovered will grow grow s grew grown 318 The grasslands of the earth supply food to many different animals. From some of them we get meat and milk. From milk we make butter and cheese and other foods. From bữds living on grain we get eggs and meat. Seeds planted in good earth supply grains and fruits and vegetables of many sorts The seas and rivers supply fish and some sea plants for food. fish water-brsothtng animal. 319 Man had to go from place to place for food until he discovered how to grow grain. Uncooked meat and parts of plants were all he had to eat until he made use of fire. And he had to get new supplies of food every day. He hadn t any way of keeping it good. How could he get enough good food for himself his wife and his children without having to go looking for it every day When he started growing grain he had time to do other things than get the family food day by day. He could keep a supply of grain cm hand through the winter until the next spring. He could make a home for himself and keep animals for his use. until till I up to the titoo that. .
