·2,447,543篇论文数据，部分数据来源于NoteExpress
Each client paid five dollars and answered more than a hundred multiple-choice questions.
NEWYORKER: Looking for Someone
D. intern from the University of Washington, brought clickers for the villagers to record their answers to multiple-choice questions about the videos.
FORBES: Computing at the Bottom of the Pyramid
Remember how many of the multiple-choice questions had several likely answers?
FORBES: Did Cookie Monster Mislead Us?
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