题干
下列说法错误的是（ ）
A：命题：“已知是上的增函数，若，则”的逆否命题为真命题
B：命题：“存在，使得”，则![](http://tiku.21cnjy.com/tikupic/1c/3d/1c93d58d59cca909d38305749 </p>
</div>
</div>
</div>
</div>
<div class="dis">
<a href="/question/4130162.html">上一题</a> <a href="/question/4130164.html">下一题</a> 0.0难度 选择题 更新时间:2018-01-02 09:33:16
</div>
<div class="box__sub__inner mb20">
<div class="box__tit light_bb">
<h2 class="title daan" data="4130163">答案(点此获取答案解析）</h2>
</div>
<div class="box__bd subject_contens">
C
</div>
</div>
</div>
<div class="box__one bihua">
<div class="box__one__inner">
<a href="/question/3470259.html" target="_blank">
<div class="box__sub__inner">
<div class="box__tit light_bb">
<h2 class="title">同类题1</h2>
</div>
<div class="box__bd">
<div class="subject_contens">
<p>如图, 正三棱柱<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>A</mi><mi>B</mi><mi>C</mi><mo>-</mo><msub><mi>A</mi><mn>1</mn></msub><msub><mi>B</mi><mn>1</mn></msub><msub><mi>C</mi><mn>1</mn></msub></math>的主视图(又称正视图)是边长为4的正方形, 则此正三棱柱的侧视图(又称左视图)的面积为( )<br><img data-cke-saved-src="/Upload/site3/f/6/f60fd87c67e4a913a4662407828dbb68.png" src="/Upload/site3/f/6/f60fd87c67e4a913a4662407828dbb68.png"><br></p>
</div>
</div>
</div>
</a>
</div>
</div>
<div class="box__one bihua">
<div class="box__one__inner">
<a href="/question/4169197.html" target="_blank">
<div class="box__sub__inner">
<div class="box__tit light_bb">
<h2 class="title">同类题2</h2>
</div>
<div class="box__bd">
<div class="subject_contens">
2017年8月16日，中国联通混合所有制改革方案公布，百度、阿里、腾讯、京东等互联网巨头合计投入780亿人民币，成为中国联通的战略投资者。这是党的十八届三中全会以来，国企改革进程中的亮点，对我国国企改革具有标杆效应。以下对中国联通混合所有制改革可能产生的结果推理正确的是（ ）<p>①引入互联网巨头——互联网巨头控股——调整产业结构——拓展发展空间</p><p>②引入战略投资者——增强国有资本控制力——巩固公有制主体地位——完善社会主义根本经济制度</p><p>③引入战略投资者——国有与非国有产权共同治理——提高公司治理水平——提高公司运行效率</p><p>④引入战略投资者——筹集大量资金——提高发展的能力和潜力——增强公司资产的盈利能力</p>
</div>
</div>
</div>
</a>
</div>
</div>
<div class="box__one bihua">
<div class="box__one__inner">
<a href="/question/4247574.html" target="_blank">
<div class="box__sub__inner">
<div class="box__tit light_bb">
<h2 class="title">同类题3</h2>
</div>
<div class="box__bd">
<div class="subject_contens">
牛顿说：“如果我比别人看得远些，那是因为站在巨人肩上的缘故。”对牛顿产生过影响的“巨人”主要有 ①哥白尼 ②伽利略 ③开普勒 ④笛卡尔
</div>
</div>
</div>
</a>
</div>
</div>
<div class="box__one bihua">
<div class="box__one__inner">
<a href="/question/4271363.html" target="_blank">
<div class="box__sub__inner">
<div class="box__tit light_bb">
<h2 class="title">同类题4</h2>
</div>
<div class="box__bd">
<div class="subject_contens">
我们知道水从0℃上升到20℃的过程中，体积都在不断变大。<br>
</div>
</div>
</div>
</a>
</div>
</div>
<div class="box__one bihua">
<div class="box__one__inner">
<a href="/question/4105921.html" target="_blank">
<div class="box__sub__inner">
<div class="box__tit light_bb">
<h2 class="title">同类题5</h2>
</div>
<div class="box__bd">
<div class="subject_contens">
阅读下面短文，从短文后所给的A、B、C三个选项中选出能填入相应空白处的最佳选项。<p> Jack is a 16-year-old boy. Last summer, he wanted to have a nice<span class="filling">1</span>.He asked his parents for the money.But his parents said he must get it by himself.But <span class="filling">2</span>could he get one?</p><p align="left"> One day，on his way home，he was thinking about this.Not many people wanted to ask children to work<span class="filling">3</span>them.Maybe he could sweep away the snow for the neighbours.However，it was not<span class="filling">4</span>.He had to wait a long time for that. Just at the moment，he saw Tom，one of his classmates，working in a<span class="filling">5</span>shop.</p><p> "I could do that，"he thought.He asked Tom some questions.He learned that it took Tom about three hours a day to do the job<span class="filling">6</span>he could get twenty dollars each week.Then Tom gave him the telephone number of the book shop manager.Jack almost <span class="filling">7</span> home."Mum，I have good news to tell you，"Jack said.After he told his mother that，she said,"I think it)
8idea."
"I will9the manager tomorrow,"said Jack，"After all，I'm going to be a businessman.''Jack's mother looked 10at him and smiled.
After the summer holiday，Jack got the bike which he dreamt of.