Standard 1: the first combination is 4C and above, the second combination is 1B2C and above, and the third combination is 1B4C and above.

Standard 2: After combination and replacement, it reaches the standard of 1 and above, and the number of words is 2B 1C and above.

Standard 3: After combination and replacement, it reaches the standard of 1 and above, with words of 1B2C and above, and physics, chemistry and biology 3C and above.

Standard 4: After the combination room is replaced, it reaches the standard of 1 and above, the number of words is 1B2C and above, the physical chemistry and biology is 2C 1D and above, and the original mathematics level is b and above.

Standard 5: The combined room shall meet the standard of 1 or above after replacement, English 1B2C or above, physical chemistry and biology 2C 1D or above, original mathematics level C or above, and original English level B or above.

Standard 6: After the replacement, the combined house meets the standard 1 and above, English 1B2C and above, physical chemistry and biology 2C 1D and above, original scores of mathematics and English C and above, and original scores of Chinese and geography B and above.

Standard 7: After the replacement, the combined house meets the standard of 1 and above, and the language number is 1B2C and above, the physical chemistry and biology is 2C 1D and above, the original score of mathematical English is c and above, the original score of Chinese is b and above, the original score of geography is c and above, and the original score of history is a and above.