1, Cambridge test scores are provided by Cambridge University Examination Committee, which is an internationally recognized English language proficiency test system. Nais is an oral English test in China, which is managed by the Ministry of Education of China, and mainly evaluates the daily oral English communication ability of candidates.

2. Cambridge University English Test is an internationally recognized English language proficiency test system, which is widely used all over the world. Nais test is conducted in primary and secondary schools and universities in China, and provides multi-level tests, including Nais elementary, intermediate and advanced, mainly to evaluate China's oral English ability. So Cambridge did well.

3. The UniversityofCambridge is a world-class comprehensive university located in Cambridge, England. Founded at the beginning of13rd century, it has a long history and excellent reputation, and enjoys a high reputation in academic circles. It is one of the oldest universities in Britain and one of the oldest universities in the world.