The plants make unwelcoming smells to _____ (击退) their enemies.
举一反三
- （ ） is taken in by plants to make food.
- （ ） is taken in by plants to make food.
- 中国大学MOOC: _____ about wild plants that they decided to make a trip to Madagascar for further research._____ about wild plants that they decided to make a trip to Madagascar for further research.
- _________ about wild plants that they decided to make a trip to Madagascar for further research.
- Which is NOT the effect of Air Pollution? A: Cause people to get sick B: Kill animals and plants C: Give off bad smells D: Produce acid rain