Read the Map of the Four Geographical Regions of China and answer the following questions: (1) Of the four regions A, B, C and D, _ _ _ _ _ _ _ _ _ _ _ _

Among the four geographical regions in China, the northern region and the southern region are located in the monsoon region, and the southern region is rich in water resources. In the South-to-North Water Diversion Project, the east and middle routes mainly transfer water to the northern region, and valley agriculture is mainly distributed in the Qinghai-Tibet region. The main animal husbandry type in northwest China is grassland pasture, which is basically consistent with the 0℃ isotherm of China 1 month. Kunlun Mountain is the Tarim Basin in the north, the Qinghai-Tibet Plateau in the south, the Northeast Plain in the east and the Inner Mongolia Plateau in the west.

So the answer is:

( 1)B； ? c； c； ? B

(2)D； ? Grassland pasture

③ ④ Tarim Basin; Qinghai-Tibet Plateau; ? Northeast plain; ? Inner Mongolian Plateau

(4) Grassland-Desert Grassland-Desert