( 1)C
(2) Answer
(1) yi river river basin belongs to subtropical monsoon climate, with abundant water and heat resources and flat terrain, and its agricultural regional type is monsoon paddy field agriculture; Tangji agriculture is mainly distributed in the low-lying Pearl River Delta. Commodity grain agriculture is mainly distributed in sparsely populated areas. So choose C.
(2) Lack of resources in Area 2 is not its development advantage; The manufacturing industry is upgrading from labor-intensive to technology-intensive. In the regional 1 industrial structure, the proportion of the secondary industry is significant, followed by the tertiary industry, and the proportion of the primary industry is the smallest. There are abundant non-ferrous metal mineral resources and hydropower resources, and the conditions for developing non-ferrous metallurgical industry are superior. So choose a.