The following statements about the weather or climate in China are correct: () A. The seasonal variation of precipitation in China is great, but the interannual variation is small. Drought and flood a

The following statements about the weather or climate in China are correct: () A. The seasonal variation of precipitation in China is great, but the interannual variation is small. Drought and flood are harmful to China. A, the temporal distribution of precipitation in China is characterized by more in summer and autumn, less in winter and spring, and great interannual variation.

B. Floods are frequent natural disasters in China, causing serious losses. It often occurs in summer and autumn when precipitation is concentrated, and it is one of the most common disasters in the eastern plains of China. Drought is a kind of natural disaster which has the greatest influence, the most common and the widest distribution on agricultural production in China. In China, drought is serious not only in the northwest where precipitation is scarce, but also in the eastern monsoon region. So b fits the question.

C, the average number of typhoons landing in China every year is 6 ~ 8 times. The typhoons that hit China often occur in May 5- 10/0, especially in July-August. They mainly affect the southeast coastal areas of China. So c doesn't fit the question.

D. Cold wave is the main disastrous weather that affects our country in winter half a year, which refers to a large-scale strong cold air activity.

Therefore, choose: B.