Delete row 798 from pager_paper_questions

id 798
question_id q_ec509aa8
assignment_id asgn_a5278897
type fill_blank
content_text 2.2.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 0
assigned_page 1
page_order 2
image_idx 0
section kewai
options []
major_index
extra_content []
ref_material_id NULL
ref_paragraph_index NULL
create_time 2026-06-16 11:01:56
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