问题:单选题细胞壁上含有黏质缩氨肽的藻类是( )。A 硅藻B 绿藻C 蓝藻D 甲藻...
Friday, October 6, 2023
Thursday, September 22, 2022
问题:关于凡纳滨对虾对水温的需求叙述中,下列哪项是错误的?( )...
Thursday, September 22, 2022
问题:单选题细胞壁上含有黏质缩氨肽的藻类是( )。A 硅藻B 绿藻C 蓝藻D 甲藻...
Friday, February 9, 2024
Thursday, September 15, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 15, 2022
问题:单选题高粱中的抗营养因子主要是( )。A 单宁B 皂苷C 氢氰酸D 红细胞凝集素...
Wednesday, June 21, 2023
Thursday, September 22, 2022
Saturday, September 17, 2022
问题:单选题国际饲料分类法将饲料原料分为( )。,A 四大类B 八大类C 十二大类D 十六大类...
Saturday, March 2, 2024
Wednesday, September 21, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
问题:单选题以下哪一项不是大型水生植物的栽培管理原则()A 适应性原则B 本土性原则C 安全性原则D 强净化能力...
Wednesday, November 9, 2022