职教组卷基于海量职教高考试题库建立的在线组卷及学习系统
职教组卷
  • 题型:选择题 题类:其他 难易度:较难

    设\(m,n\)是两条不同的直线,\(\alpha ,\beta \)是两个不同的平面,下列命题中正确的个数是\((\)  \()\)

    \(①\)若\(m/\!/\alpha \),\(m/\!/\beta \),则\(\alpha /\!/\beta \)      \(②\)若\(\alpha /\!/\beta \),\(m\subset \alpha \),\(n\subset \beta \),则\(m/\!/n\)

    \(③\)若\(\alpha /\!/\beta \),\(m/\!/n\),\(m/\!/\alpha \),则\(n/\!/\beta \) \(④\)若\(m/\!/\alpha \),\(m\subset \beta \),\(α∩β=n \),则\(m/\!/n\)

    \(⑤m⊂α,n∩α=A,点A∉m, \)则\(n\)与\(m\)不共面;


    A. \(0\)个         B. \(1\)个              C. \(2\)个                 D. \(3\)个
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