vocab: stop re-teaching a word later in the same session (239 tags)

A word tagged VOCAB in one activity was tagged again in later activities of the
same session, so the learner got the same chip repeatedly — most visibly in the
pronunciation drills, which re-listed every word from the dialogue before them
(reported: book 7 session 1-2). Rule applied: drop a VOCAB whose word was
already tagged in an EARLIER activity of that session. Repeats INSIDE one
activity are kept — those teach distinct senses ('stuck to his finger' vs
'stuck the milk in the fridge', 'shop' as verb then noun). Also dropped chips
for plurals of already-known words in book 7 session 1-2, where the drill
teaches the singular/plural pair rather than new vocabulary. No session lost
all of its vocabulary (verified).

Co-authored-by: Cursor <cursoragent@cursor.com>
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2026-08-05 10:10:27 +08:00
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@@ -766,7 +766,6 @@ INSTRUCTION: Listen and repeat the dialog.
REPEAT
Mr_Peters: My little girl fell and cut her head. She needs to see the doctor right away!
VOCAB: patient
Ms_Barton: Dr. Wells is with another patient right now. Can you wait a few minutes?
VOCAB: to catch
Mr_Peters: No, this is an emergency! I tried to catch her when she started to fall, but I wasn't able to. She hurt her head badly when she hit the ground.
@@ -1046,28 +1045,21 @@ INTRO: The same geometry, now from the tape. Look at each diagram, then repeat t
INSTRUCTION: Repeat each word and sentence.
REPEAT
VOCAB: dot
LINE: The marks above A, B, and C are called dots. {page_022_001.jpg} {bk11-l1c-f1-01.mp3}
VOCAB: connect
LINE: A line connects dot A and dot B. {page_022_002.jpg} {bk11-l1c-f1-01b.mp3}
VOCAB: inch
LINE: The line is 2 inches long. {page_022_003.jpg} {bk11-l1c-f1-01c.mp3}
VOCAB: middle
LINE: Dot B is in the middle of the line. {page_022_004.jpg} {bk11-l1c-f1-01d.mp3}
VOCAB: horizontal
LINE: Line AC is horizontal. {page_022_005.jpg} {bk11-l1c-f1-01e.mp3}
VOCAB: vertical
LINE: Line DE is vertical. {page_022_006.jpg} {bk11-l1c-f1-01f.mp3}
VOCAB: perpendicular
LINE: Line AC and line DE are perpendicular. {page_022_007.jpg} {bk11-l1c-f1-01g.mp3}
VOCAB: parallel
LINE: Line A is parallel to line B. {page_022_008.jpg} {bk11-l1c-f1-01h.mp3}
LINE: Line C is parallel to line D. {page_022_008.jpg} {bk11-l1c-f1-01i.mp3}
LINE: And line E is parallel to line F. {page_022_008.jpg} {bk11-l1c-f1-01j.mp3}