Although a natural alternative,such as honey,can be used to sweeten food if this is necessary,we can in fact do without it.Nowadays fibre is considered to be an important part of a healthy diet.In white bread,for example,the fibre has been removed.But it is（ ）in unrefined flour and of course in vegetables.

Although a natural alternative,such as honey,can be used to sweeten food if this is necessary,we can in fact do without it.Nowadays fibre is considered to be an important part of a healthy diet.In white bread,for example,the fibre has been removed.But it is（ ）in unrefined flour and of course in vegetables.