DSE Diagnostic Trap (content-engine)
Auto-derived from GradePath content engine (AI generation → compliance gate → human review).
A2-C1 · Free taster: 2 items · members practise all 33
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Today's target challenge: unlock Band 1 core academic vocabulary (0/0). Finish today's 4-step challenge to refresh your Hong Kong secondary-school aptitude radar.
Item 1 / 2CEFR B1
Under Hong Kong copyright law, what is the general protection period for an author's work?
根據香港版權法例，作者作品的保護期一般是多長？
Free taster is 2 items; membership unlocks the remaining 31 with full explanations.
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