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            • 1. 已知函数\(f(x)=|x-2|+|2x+a|\)\((\)\(a\in {R}\)\().\)
              \((\)Ⅰ\()\)当\(a=1\)时,解不等式\(f\left(x\right)\geqslant 5 \)

              \((\)Ⅱ\()\)若存在\({x}_{0} \)满足\(f\left({x}_{0}\right)+\left|{x}_{0}-2\right| < 3 \),求\(a\)的取值范围.

            • 2.

              设集合 \(A=\left\{ \left.x \right| \dfrac{2}{x-1}\geqslant 1\right\},\left\{ \left.y \right|y=lo{g}_{2}x,0 < x\leqslant 4\right\} \) ,则\(A∩B (\)    \()\)

              A.\(\varnothing \)
              B.\((1,2] \)
              C.\((-∞,1) \)
              D.\(\left[2,3\right] \)
            • 3.

              已知函数\(f\left( x \right)\)是定义在\(R\)上的奇函数,若\(g(x)=f(x+1)+5\),\(g′(x)\)为\(g(x)\)的导函数,对\(\forall x\in R\),总有\({g}{{'}}\left( x \right) > 2x\),则\(g\left( x \right) < {{x}^{2}}+4\)的解集为       

            • 4.

              设\(p\):\(x\in \{x|y={\lg }\left( x-1 \right)\}\),\(q\):\(x\in \{x|{{2}^{-x}} < 1\}\),则\(p\)是\(q\)的\((\)   \()\)

              A.充分且不必要条件   
              B.必要且不充分条件
              C.充要条件           
              D.既不充分也不必要条件
            • 5.

              “\({\log }_{2}(2x−3) < 1 \)”是“\(x > \dfrac{3}{2}\)”的(    )

              A.充分不必要条件     
              B.必要不充分条件  
              C.充分必要条件       
              D.既不充分也不必要条件
            • 6.

              设集合\(M=\{0,1,2\}\),\(N=\{x|x^{2}-3x+2\leqslant 0\}\),则\(M∩N=(\)  \()\)

              A.\(\{1\}\)  
              B.\(\{2\}\)   
              C.\(\{0,1\}\)   
              D.\(\{1,2\}\)
            • 7.

              已知函数\(f(x)=\ln x-0.5^{x}+1\),则不等式\(f(2x-3) < 0.5\)的解集为\((\)  \()\)。

              A.\(\{x|-1 < x < 1.5\}\)
              B.\(\{x|0.5 < x < 2\}\)
              C.\(\{x|x < 2\}\)
              D.\(\{x|1.5 < x < 2\}\)
            • 8.
              不等式\( \dfrac {2x}{3x-1} > 1\)的解为\((\)  \()\)
              A.\(( \dfrac {1}{3}, \dfrac {1}{2})\)
              B.\(( \dfrac {1}{2},1)\)
              C.\(( \dfrac {1}{3},1)\)
              D.\((- \dfrac {1}{3}, \dfrac {1}{2})\)
            • 9. 不等式\(( \dfrac {1}{2})^{2x^{2}+-1} > 1\)解集是 ______ .
            • 10.
              已知函数\(f(x)=|x-2|\)
              \((1)\)解不等式:\(f(x+1)+f(x+3) < 4\);
              \((2)\)已知\(a > 2\),求证:\(∀x∈R\),\(f(ax)+af(x) > 2\)恒成立.
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