The weather on the 28th of Beipiao.

(1) The dividing line between the southern region and the northern region is the Qinling Mountains and the Huaihe River.

(2) Beipiao, formerly known as "Zhou Chuan", belongs to Chaoyang City, Liaoning Province, China, which is located in the northeast of Chaoyang City and the middle reaches of Daling River, belonging to C. 。

(3) The shaded part in the picture is the northwest of China, and the most obvious natural feature is drought.

(4) Every year in the middle of June, plum rains often appear in area B, and agricultural production in area C is often threatened by drought.

(5) Among the four geographical regions in China, A is cold and sparsely populated; The most affected by the ocean, mainly paddy fields, the most important rice producing area in China is B.

(6) The dividing line between B and C in the figure, namely Qinling and Huaihe, is an important geographical dividing line in China. This line is where the 0℃ isotherm of 65438+ 10 month passes, and it is also where the 800 mm annual precipitation line passes.

So the answer is:

( 1)

(2)C； (3) Northwest China; Drought; (4) Meiyu; Drought;

(5) A; b； (6) It is the place where the 0℃ isotherm of 65438+1October passes and the 800 mm annual precipitation line passes.