A Because they grow fast and cost less. B Because they fit people' s eating habits. C Because they are good to people' s health. D Because they are simply processed foods.

A Fertilizers are important in growing natural foods. B Soil for natural foods usually lacks organic matter. C Natural foods are grown in commercial farming areas. D Chemicals are used to increase the quantity of foods grown.

A Supportive. B Doubtful. C Hopeful. D Negative.

A People use it to sweeten food. B It gives us much-needed energy. C People take too much of it. D It is actually a kind of honey.

A  Food. B  Rice. C  Animal. D Agriculture.

A A B B C C D D E E

A A B B C C D D E E

A A B B C C D D E E

A A B B C C D D E E

A A B B C C D D E E