1. It doesn't matter whether the answer to question 24 of 2007 is unique. It is important that candidates' answers must be consistent with the official answers in order to score. If it is different from the official answer, I'm afraid he won't be able to score or deduct points accordingly.

2.20 16 postgraduate exam is about to begin. Candidates should take the time to review and use the last 20 days to check the doubts.