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A．B是抛物线y2=8x上两点，且此抛物线的焦点在线段AB上，已知A．B两点的横坐标之和为10，则|AB|=（ ）
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A．B是抛物线y2=8x上两点，且此抛物线的焦点在线段AB上，已知A．B两点的横坐标之和为10，则|AB|=（ ）
A、18
B、14
C、12
D、10
时间：2021-07-17 20:30
关键词：
学历教育
成人高考
2012年成人高考高起点《数学（文）》冲刺模拟试卷（二）
答案解析
B
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