【简答题】A.He forbids his children to eat junk food. B.He and his wife don't eat junk food. C.He believes being a vegetarian helps him keep fit. D.He sometimes serves meat and potatoes to the kids.
【简答题】Junk food is food that has a lot of calories but few nutrients (营养物质), vitamins and minerals (矿物质). Some food does have nutrients, for example pizza, but because it contains too many calories, it is 4...