城市郊区具有独特的区位优势。郊区人工湿地生态系统不仅是城市生态功能的调控区,还是城市赖以生存的原材料、能源和农副产品供应区,对城市的发展至关重要。下面图甲为我国一特大城市城郊稻藕轮作与稻鱼蟹混养相结合的生态农业种植结构模式,图乙为该城市的气候统计图。读图,回答26-28题: 26.该城市最可能是 A.上海 B.重庆 C.西宁 D.天津 27.该城郊农业最主要的区位优势是 A.气候湿热 B.地广人稀 C.12、--How can I learn English well?
--You should practice
it as often as you can.
A.speak
B.speaking
C.speaks
D.to speak