(6 points) In May 2008 12 14: 28, a strong earthquake of magnitude 8 occurred in Wenchuan, Sichuan. The earthquake spread widely, causing serious loss of life and property.

(1) cloudy to moderate rain? Or cloudy with moderate rain (1)

(2) North? Qinling or Qinling Huaihe River (each 1 min,? ***2 points)

(3)C？ (2 points)

(4) China is located at the junction of three major plates (Pacific plate, Indian Ocean plate and Eurasian plate); Or between the Mediterranean-Himalayan volcanic seismic belt and the Pacific Rim volcanic seismic belt (1).

Analysis of test questions: (1) According to the weather forecast of the Meteorological Bureau, the daytime in some areas of Dujiangyan City in the earthquake-stricken area 13- 14 is as follows.

Yin turns to moderate rain. (2) In the figure 1, A is located in the north of the four geographical regions of China. If medicines are transported from this place to Wenchuan by air, the famous geographical dividing line in China is Qinling-Huaihe River, and Wenchuan is located in the south, which is the dividing line between the south and the north. (3) If tourists are located at point P, the correct escape route is ③, which is perpendicular to the contour line and roughly perpendicular to the debris flow movement; (4) The reason for frequent earthquakes in China is that China is located at the junction of three major plates (Pacific plate, Indian Ocean plate and Eurasian plate); Or between the Mediterranean-Himalayan volcanic seismic belt and the Pacific Rim volcanic seismic belt. Test center:

Comments: This problem can also be investigated in the position and scope of the Loess Plateau: the Loess Plateau starts from Taihang Mountain in the east, reaches Wushaoling Mountain in the west, connects Qinling Mountain in the south and reaches the Great Wall in the north. Including Shanxi, Shaanxi, Gansu and Ningxia. The Loess Plateau is the largest loess accumulation area in the world-the Loess Plateau. It presents a variety of loess landforms: loess tableland, loess beam and loess headland. The formation of Gao Yuanfeng formation theory of loess; Serious soil erosion: (1) Influencing factors of soil erosion: precipitation, vegetation and slope; Loose soil, lack of vegetation, concentrated rainfall and heavy rain; (2) Man-made reasons: ① Deforestation destroys the ground vegetation; (2) Lack of attention to soil and water conservation in basic construction such as mining and road construction has destroyed ground vegetation and stable terrain, resulting in a large number of new soil and water losses. Hazards: ① Soil erosion takes away the fertile soil on the surface, which will reduce crop production in the next season; (2) making the surface ravines vertical and horizontal, leading to the reduction of cultivated land area; (3) It is very difficult to transport a large amount of sediment to the lower reaches of the Yellow River for river regulation and flood control.