举一反三
- 43. According to the author, the use of chemicals and fertilizers ______.
- 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.
- Organic farmers do not use chemical fertilizers, genetically engineered seeds, or harmful chemicals to kill ___1___ and ____2___.
- The purpose of using chemicals and fertilizers is to increase the quality 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
内容
- 0
The major problem is the need for large quantities of water and ______ to grow the crops. A: food B: fertilizers C: pesticides D: chemicals
- 1
According to this passage, one early step in any effort to improve the environment would be to ______. A: return to the exclusive use of natural fertilizers B: ban the use of automobiles in and around cities C: study successful effort in other countries D: set up a timetable for collective actions
- 2
According to this passage, one early step in any effort to improve the environment would be to______. A: return to the exclusive use of natural fertilizers B: ban the use of automobiles in and around cities C: study successful effort in other countries D: set up a timetable for corrective actions
- 3
48. The quantity of farm foods is related to the use of chemicals and fertilizers.（ ）
- 4
According to the author, ____.