Delete row 907 from pager_paper_questions

id 907
question_id q_f573d072
assignment_id asgn_da1f2b30
type fill_blank
content_text 4.形容精力集中，注意力集中的成语是 。（1分）
score 1.0
difficulty 0.5
correct_answer
explanation
sort_order 3
assigned_page 2
page_order 2
image_idx 0
section jichu
options []
major_index
extra_content []
ref_material_id NULL
ref_paragraph_index NULL
create_time 2026-06-16 12:20:50
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