全国硕士研究生招生考试《管理类联考综合能力》全真模拟卷一

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某种商品降价20％后，若欲恢复原价应提价()．

A 20％ B 25％ C 22％ D 15％ E 12％

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A 2015 B 2016 C 2017 D 2018 E 2019

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小李从家里骑摩托车到火车站赶乘火车，如果每小时行30千米，那么早到15分钟；如果每小时行20千米，则迟到5分钟；如果打算提前25分钟到，那么摩托车的速度应是(

A 24 B 32 C 35 D 40 E 50

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A <img width="27" height="58" src="https://www.beizhujiaoyu.com/uploads/202208/20220217184314_4462.jpg" /> B <img width="27" height="58" src="https://www.beizhujiaoyu.com/uploads/202208/20220217184315_8768.jpg" /> C <img width="27" height="58" src="https://www.beizhujiaoyu.com/uploads/202208/20220217184316_9930.jpg" /> D 4 E 5

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甲、乙、丙三人的年龄之和为31，已知年龄最大的比年龄最小的大9岁，则年龄最小的最大为( )岁．

A 4 B 5 C 6 D 7 E 8

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A 2 B <img src="https://www.beizhujiaoyu.com/uploads/202208/165235461343591.png" width="38" height="17" /> C <img src="https://www.beizhujiaoyu.com/uploads/202208/165235461813401.png" width="20" height="17" /> D <img src="https://www.beizhujiaoyu.com/uploads/202208/165235462397731.png" width="36" height="17" /> E <img src="https://www.beizhujiaoyu.com/uploads/202208/165235462711331.png" width="71" height="18" />

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A <img width="27" height="58" src="https://www.beizhujiaoyu.com/uploads/202208/20220217184331_4462.jpg" /> B <img width="26" height="58" src="https://www.beizhujiaoyu.com/uploads/202208/20220217184334_3681.jpg" /> C <img width="40" height="58" src="https://www.beizhujiaoyu.com/uploads/202208/20220217184334_5243.jpg" /> D <img width="27" height="58" src="https://www.beizhujiaoyu.com/uploads/202208/20220217184336_4930.jpg" /> E <img width="40" height="58" src="https://www.beizhujiaoyu.com/uploads/202208/20220217184336_6493.jpg" />

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如图所示，AB是半圆O的直径，P在AB的延长线上，PD与半圆O相切于点C，AD⊥PD．已知PC=4，PB=2，则线段CD的长度为( )．

A 2 B 2．4 C 3 D 3．6 E 4．2

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从不同号码的五双鞋中任取四只，则恰好有一双鞋的取法有( )种．

A 80 B 120 C 160 D 200 E 240

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A -6 B -9 C 6 D 9 E 0

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