48. The quantity of farm foods is related to the use of chemicals and fertilizers.（ ）
举一反三
- 1. Natural foods are rich inessential ____①____and ___②___.2. The use of chemicals and fertilizers is to increase the __③_not the _④___of foods.
- To use chemicals and fertilizers means ______. A: to increase the amount of foods B: to increase the quality of foods C: to increase the amount and quality of foods D: to increase essential vitamins and minerals
- 43. According to the author, the use of chemicals and fertilizers ______.
- Organic food grown with natural fertilizers may be less expensive than those foods not utilizing natural fertilizers.
- Organic farmers do not use chemical fertilizers, genetically engineered seeds, or harmful chemicals to kill ___1___ and ____2___.