Talking about drought

(1) According to the topographic map of China, this drought is mainly concentrated in the middle and lower reaches of the Yangtze River.

(2) According to the map of chinese administrative division, ① Hunan Province, ② Jiangxi Province, and the administrative center of Hubei Province is Wuhan City;

(3) Figures B and C show that the frequency of drought and flood disasters in eastern China is higher than that in western China, mainly because the eastern part is located in the monsoon region and the summer monsoon activity is unstable;

(4)① Drought is not conducive to agricultural production, and crops will dry up; ② Excessive pumping of groundwater will lead to the decline of groundwater level.

So the answer is: (1) the middle and lower reaches of the Yangtze River plain; Hunan; Jiangxi; Wuhan; (2) high; Monsoon region; Summer;

(3) (1) Drought is not conducive to agricultural production, and crops will dry up; ② Excessive pumping of groundwater will lead to the decline of groundwater level.