厚德诚品 湖南省2024年高考冲刺试卷(一)数学.考卷答案

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厚德诚品 湖南省2024年高考冲刺试卷(一)数学.考卷答案试卷答案

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分析分别解不等式,结合集合的包含关系判断即可.

解答解:由$\frac{1}{x}≥1$,解得:0<x≤1,
由2x-1≤1,解得:x≤1,
故“$\frac{1}{x}≥1$”是“2x-1≤1”成立的充分不必要条件,
故选:A.

点评本题考查了充分必要条件,考查解不等式问题,是一道基础题.