【简答题】What will we be eating in the future? Here are the top factors that will be affecting the food that ends up on our tables in the new century. Genetically engineered food Many crops are already genetic...
【单选题】Everyone knows that the favorite food in the United States is the hamburger. It seems impossible, but people eat 34 billion hamburgers a year. This is enough to make a line of hamburgers around the wo...