QiaoShen

Question-bank update history

Weekly new questions enter topic practice only, not fixed mocks. Corrections use separate versions and preserve past attempts.

· TMUA · +2

2 new challenge practice questions

Added 2 original challenge questions to topic practice only. Fixed mocks are unchanged; difficulty is a platform reference, not an official rating.

· TMUA

Question and solution corrections

Corrected answers, options or explanations in 3 existing practice questions. Affected fixed papers use new versions; historical attempts remain intact. No questions added.

· TMUA

Practice-bank data baseline

Existing reviewed practice content moved to data files. No questions added and no mocks changed.