PET and KET are two different levels of the Cambridge General English Test, which correspond to B 1 and A2 of the European General Language Reference Standard respectively. Both PET and KET test the ability of listening, speaking, reading and writing, but the difficulty, vocabulary and requirements of PET are higher than KET. PET is equivalent to the senior high school stage of English education in China, and KET is equivalent to the junior high school stage.

The examination contents of PET and KET include reading, writing, listening and speaking, but the number of questions, time and difficulty of PET are higher than KET. Specifically:

There are 8 tasks in the reading and writing part of KET, with a duration of 70 minutes and a full score of 50 points; There are 10 tasks in the reading and writing section of PET, with a duration of 90 minutes and a full score of 50.

There are 5 tasks in the KET listening section, with a duration of 25 minutes and a full score of 25 points; There are 4 tasks in the listening part of PET, with a duration of 30 minutes and a score of 25 points.

KET oral part has two tasks, the duration is 8- 10 minutes, with a full score of 25; There are four tasks in the oral part of PET, the duration is 10- 12 minutes, with a score of 25.