Apply the course version boundaries in notes.md; HSK tasks are transferable language practice, not a claimed HSK 3.0 mock.
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a2_key:mixed-revision:1
Read the original notice: “Library: return books by Friday. Saturday returns incur a fee.” Explain what a reader should do to avoid the fee.
Ответ и обоснование
Return books by Friday; Saturday is too late for a fee-free return.
a2_key:mixed-revision:2
Write at least 25 words to a friend: suggest a picnic, give the day and say what food you will bring.
Ответ и обоснование
Human review checks all three content points, intelligible connected writing and at least 25 words. Many valid answers exist.
a2_key:mixed-revision:3
In a supervised pair task, ask about a partner’s favourite weekend activity, listen to the answer and give one reason for your own preference.
Ответ и обоснование
Teacher observes turn taking, relevant follow-up, intelligibility and language. A written script or self-marked quiz cannot replace the live performance.