In fact, the contents of AB volume are the same.

However, the order of the options may be different.

Or the order of multiple-choice questions is different.

Is the answer to prevent plagiarism.

So when you fill in the paper, you should pay attention to whether you fill in the paper A or B, otherwise you may not get points if you choose the right answer.

2:

The official announcement of the answer is late, and I don't know the specific reasons.

There are some experts' answers on some college entrance examination websites, which can be compared.