1. On the topic, PETS has an oral exam, but CET doesn't.

2. In fact, because PETS pays more attention to the cultivation of communicative competence and interactive learning, it can improve learners' English level in an all-round way, thus giving full play to the role of English in practical application.

3. From the perspective of social recognition, PETS is undoubtedly authoritative, because it was introduced by the Ministry of Education.

4. CET-3 is roughly equivalent to CET-4, CET-4 is roughly equivalent to CET-6, and 4.PETS-5 standard is equivalent to the level of English major in China University at the end of the second year.