1, a master's degree in HVAC from Chongqing University is definitely not acceptable. After all, it is a 985 key university. Whether it is good or not depends on which school it is compared with. Better than famous universities, but worse than some non-key universities.

2. Whether it is good or not depends on the foundation, learning ability, especially preparing for the exam. Personally, those with good grades may find it easy to test, while those with average grades may find it difficult to test.

3. If you plan to apply for the exam, you must work hard and be confident, especially in 985 key schools. However, there is no necessary connection between postgraduate entrance examination and the level of undergraduate schools. The key is to prepare for the exam yourself, and believe that where there is a will, there is a way. Come on!