Agricultural and forestry residues, organic waste, energy crops.
1. Agricultural and forestry residues: including harvest straw, agricultural product processing residues and forestry residues. Forest residues specifically include logging residues, forest maintenance residues, wood construction residues and wood processing residues.
2. Organic waste: including urban household waste, domestic and industrial organic wastewater, industrial organic waste, livestock and poultry manure from farms, etc.
3. Energy Crops: Including energy crops such as sugar, starch, fiber and oil.
Short question 1: A
Short question 2: D
Analysis of test questions:
< p >Question 1: Based on the crop distribution map of China: coton - Northwest, North China, Yangtze River basin; rapeseed - Yangtze River basin; sugarcane - Yunnan, Guangxi, Guangdong, etc. So choose A.Topic 2: Soya, rapeseed, cotton and sugarcane are not food crops, so planting them in large quantities can cause a food crisis, at the same time, for reasons of economic benefit, vegetation may be used; be brutally destroyed; Bioenergy development can provide clean energy and renewable energy.