Delete row 923 from pager_paper_questions

id 923
question_id q_230a6a7a
assignment_id asgn_da1f2b30
type fill_blank
content_text 2.结合时代背景,在第4 自然段的横线上填写恰当的词语，使文章完整。(3分)
score 3.0
difficulty 0.5
correct_answer
explanation
sort_order 1
assigned_page 4
page_order 1
image_idx 0
section kewai
options []
major_index
extra_content []
ref_material_id mat_b22f2671
ref_paragraph_index NULL
create_time 2026-06-16 12:20:50
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