According to the inquiry letter, the community network shows.

1. Price: the market price of "entering senior high school" is one in 33 yuan, and the market price of "key middle school has a contract" is one in 40 yuan, and the price of "entering senior high school" is low.

2. Topic selection: entering high school, the topic selection is good, the structure is new, the effect is good, and it caters to the policy, which is very helpful for children to decompress. The knowledge system of key middle schools is complex and chaotic, which is difficult for students to understand.