Different papers and adapt to different people! Because there are more or less differences in teaching materials, teachers, educational concepts and so on in each province, the country has compiled many sets of test papers, and each province can also produce its own test papers, that is, independent propositions! Personal feeling 1 is slightly more difficult than 2, and it is up to the province to use 1 or 2. The teacher will say. . .
Now (20 14)
With national 1 volume: Henan, Hebei, Shanxi.
Use two national volumes: Inner Mongolia, Guizhou, Gansu, Qinghai, Tibet, Hainan, Jilin, Xinjiang, Heilongjiang, Yunnan and Ningxia.