The ecological protection system is an important part of the farming system.
举一反三
- The farming system includes a variety of sub-systems such as planting system, breeding system, agricultural product processing system, and ecological protection system.
- "Farming system" is equivalent to "cropping system.
- "Farming system" is equivalent to "cropping system.
- (multiple choices)About our nervous system, which options are correct? A: Our nervous system includes the central nervous system and the peripheral nervous system. B: The central nervous system is only the brain. C: The somatic nervous system is one part of the peripheral system. D: The autonomic nervous system can be divided into the sympathetic and the parasympathetic system.
- (multiple choices)Which of the following statements about our nervous system are correct? A: Our nervous system includes the central nervous system and the peripheral nervous system. B: The central nervous system only contains our brain. C: The somatic nervous system is part of the peripheral system. D: The autonomic nervous system can be divided into the sympathetic and the parasympathetic system.