single-answer questions and multiple-answer questions
coli 单选题，多选题 Single-answer questions and multiple-answer questions 单数项，双数项 odd number(ed) items, even number(ed) items ..
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single-answer questions and multiple-answer questions
单答案问题和多答案问题
以上为机器翻译结果，长、整句建议使用 人工翻译 。