Geography of senior three, the answer is CAB, and the analysis process, thank you.

The temperature in winter is lower than 0℃, which means it can't be subtropical. But the temperature in winter is higher than-10℃, which means it can't be Harbin.

6. choose a.

From March to April, the area is windy, with poor vegetation conditions and little precipitation, so it is impossible to have floods and soil erosion, and sandstorms may occur. There are few active volcanoes in China, which has nothing to do with the weather.

7. choose B.

Taiyuan is located in the eastern monsoon region of China, and the summer monsoon landing and winter monsoon form a front. After July, the rain belt will move to the Yellow River basin, making Taiyuan rainy. Taiyuan is located in the inland, which is not affected by the typhoon. There is a lack of water vapor in the higher latitudes here, so it is not easy to form convective rain; Quasi-static frontal control in the middle and lower reaches of the Yangtze River.