Delete row 831 from pager_paper_questions

id 831
question_id q_170ad714
assignment_id asgn_4479fc1b
type short_answer
content_text 3.用“ ”画出描写草地天气恶劣的句子。这句话属于 （A.自然环境 B.社会环境）描写，在文中所起的 ...
score 3.0
difficulty 0.5
correct_answer
explanation
sort_order 2
assigned_page 4
page_order 2
image_idx 0
section kewai
options []
major_index
extra_content []
ref_material_id mat_48ee47b9
ref_paragraph_index NULL
create_time 2026-06-16 11:19:51
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