Delete row 1503 from pager_paper_questions

id 1503
question_id q_07dfda47
assignment_id asgn_f7d95ae5
type short_answer
content_text 4.说一说科学家是如何发明不易破的迷彩服的。（4分）
score 4.0
difficulty 0.5
correct_answer
explanation
sort_order 4
assigned_page 2
page_order 9
image_idx 0
section kewai
options []
major_index
extra_content []
ref_material_id mat_58426ce4
ref_paragraph_index NULL
create_time 2026-06-17 04:02:25
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