1/5单选题
难度：
1.已知偶函数
在区间
上单调递减，则满足
的
的取值范围是（ ）
在区间上单调递减，则满足的的取值范围是（ ） | A |  |
| B |  |
| C |  |
| D |  |
- 提示1：
- IOWBtuWHveaVsDxpbWcgd2lkdGg9MjggaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRjgvQjIvckJBQ0UxUUFPaC1oUUVkcUFBQUJpMVEyb3dNMDAxLnBuZyI+5Zyo5Yy66Ze0PGltZyB3aWR0aD00NiBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9GOC9CMi9yQkFDRTFRQU9oLVR1OHRmQUFBQnRCNE9Vdm82MDYucG5nIj7kuIrljZXosIPpgJLlh4/vvIzmiYDku6XlnKg8aW1nIHdpZHRoPTY5IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0Q2L0M4L3JCQUNGRlFBT2gtZzJZM2lBQUFCcURDVjNLMDU5Mi5wbmciPuS4iuWNleiwg+mAkuWing==
- 提示2：
- IOagueaNrjxpbWcgd2lkdGg9ODQgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvRjgvQjIvckJBQ0UxUUFPaF9RQ1A3dUFBQUIySDBoaU5zMDc3LnBuZyI+LDxpbWcgd2lkdGg9ODQgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvRDYvQzgvckJBQ0ZGUUFPaC15eHJDYkFBQUIybUJKaEM0MTk5LnBuZyI+LOagueaNrumimOaEj+eUu+WHuueugOWbvu+8mjxicj48aW1nIHdpZHRoPTI4OSBoZWlnaHQ9MjU4IHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvRjgvQjIvckJBQ0UxUUFPaURRRzUzUUFBQXh1Z2t0bjNZOTUxLnBuZyI+
- 提示3：
- IOeUsemimOaEj+efpe+8mjxpbWcgd2lkdGg9OTcgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRjgvQjIvckJBQ0UxUUFPaUNEeWpBVEFBQUNQVlFlb0VvMTcyLnBuZyI+LOaJgOS7pTxpbWcgd2lkdGg9NzEgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRDYvQzkvckJBQ0ZGUUFPaUNoTkJFbkFBQUNWbGVLTXI4ODM2LnBuZyI+
正确答案：QQ==
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
2/5单选题
难度：
2.偶函数
在区间
上是减函数，且最小值是3，最大值是5，则在区间
上的最值分别是（ ）
在区间上是减函数，且最小值是3，最大值是5，则在区间上的最值分别是（ ） | A | 最小值是—5，最大值是—3 |
| B | 最小值是3，最大值是5 |
| C | 最小值是—5，最大值是3 |
| D | 最小值是—3，最大值是5 |
- 提示1：
- IOWboOS4uuWHveaVsOWcqOWMuumXtDxpbWcgd2lkdGg9MjggaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvNjIvNzQvckJBQ0UxU2ctbExEUTI3b0FBQUJVNHVZZy1rNzE2LnBuZyI+5LiK5piv5YeP5Ye95pWw77yM5omA5Lul5ZyoeD0x5pe25pyJ5pyA5aSn5YC8Ne+8jOWcqHg9NOaXtuacieacgOWwj+WAvDPvvIw=
- 提示2：
- 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
正确答案：Qg==
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
3/5单选题
难度：
3.函数是定义在R上的奇函数，在
上是增函数，且
，则不等式
的解集是（ ）
是定义在R上的奇函数，在上是增函数，且，则不等式的解集是（ ） | A |  |
| B |  |
| C |  |
| D |  |
- 提示1：
- 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
- 提示2：
- IOeugOWNleeUu+WHuuS4gOS4quWbvuWDj++8mjxpbWcgd2lkdGg9MTc1IGhlaWdodD0xODEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC82Mi83NC9yQkFDRTFTZy1sYUJaaG5zQUFBa0wxZ1BTU000MjYucG5nIj4=
正确答案：RA==
6Kej5p6Q77yaPGltZyB3aWR0aD0zMSBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yRS83NS9yQkFDSmxTZy1sYUFENHY5QUFBQmowM2lZTkUxMjYucG5nIj7lnKg8aW1nIHdpZHRoPTU1IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzJFL0I0L3JCQUNKMVNnLWxhQldGZ3ZBQUFCdUJ2bTVnWTc0NS5wbmciPuS4iuaYr+WinuWHveaVsO+8jOWboOS4uuWlh+WHveaVsOWcqOWvueensOeahOWMuumXtOS4iuacieebuOWQjOeahOWNleiwg+aAp++8jDxpbWcgd2lkdGg9NTUgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMkUvQjQvckJBQ0oxU2ctbGJEQTdlMEFBQUJzQU5oYVJjMDY3LnBuZyI+5LiOPGltZyB3aWR0aD01NSBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yRS9CNC9yQkFDSjFTZy1sYUJXRmd2QUFBQnVCdm01Z1k3NDUucG5nIj7lr7nnp7DvvIzmiYDku6U8aW1nIHdpZHRoPTI4IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzYyLzc0L3JCQUNFMVNnLWxLeTNpTG5BQUFCakM4M1BVdzQyOC5wbmciPuWcqDxpbWcgd2lkdGg9NTUgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMkUvQjQvckJBQ0oxU2ctbGJEQTdlMEFBQUJzQU5oYVJjMDY3LnBuZyI+5LiK5piv5aKe5Ye95pWw77yM5Zug5Li6PGltZyB3aWR0aD0yOCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC82Mi83NC9yQkFDRTFTZy1sS3kzaUxuQUFBQmpDODNQVXc0MjgucG5nIj7mmK/lrprkuYnlnKhS5LiK55qE5aWH5Ye95pWw77yM5YiZPGltZyB3aWR0aD01MyBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yRS9CNC9yQkFDSjFTZy1sYmd2cVB3QUFBQnJPb0FVa1k1NjQucG5nIj7vvIw8aW1nIHdpZHRoPTM0IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzhGLzBDL3JCQUNGRlNnLWxlQXMtQTBBQUFCYXhKcENIazAyOS5wbmciPuaXtu+8jDxpbWcgd2lkdGg9MTAyIGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzJFLzc1L3JCQUNKbFNnLWxleGRvc21BQUFDVG81RFk1YzEwNC5wbmciPu+8jDxpbWcgd2lkdGg9MjggaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvNjIvNzQvckJBQ0UxU2ctbEt5M2lMbkFBQUJqQzgzUFV3NDI4LnBuZyI+5ZyoPGltZyB3aWR0aD01NSBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yRS9CNC9yQkFDSjFTZy1sYUJXRmd2QUFBQnVCdm01Z1k3NDUucG5nIj7kuIrmmK/lop7lh73mlbDvvIw8aW1nIHdpZHRoPTU2IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzJFL0I0L3JCQUNKMVNnLWxiQ0x2d2pBQUFDTFlmRWFMUTQ2NS5wbmciPu+8jOaJgOS7peW9kzxpbWcgd2lkdGg9NTggaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvNjIvNzQvckJBQ0UxU2ctbGZUZzdUVEFBQUIzUGdpcTVVMzUyLnBuZyI+5pe277yMPGltZyB3aWR0aD0xMDUgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvOEYvMEMvckJBQ0ZGU2ctbGZBMmRzZEFBQUN4d1A3cGw4MzUyLnBuZyI+77yM5b2TPGltZyB3aWR0aD04MCBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yRS83NS9yQkFDSmxTZy1sZXpGWUNkQUFBQ09jcC0zZDQ4NjYucG5nIj7ml7bvvIw8aW1nIHdpZHRoPTEwNSBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yRS9CNC9yQkFDSjFTZy1sZXg0TUE1QUFBQ3lpWU1jMGM3NjMucG5nIj7vvIznu7zkuIrmiYDov7DvvIzlvZM8aW1nIHdpZHRoPTExMyBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8yRS9CNC9yQkFDSjFTZy1sZkNDNTEyQUFBQ1lpUW1wVlE3OTgucG5nIj7ml7bvvIw8aW1nIHdpZHRoPTU0IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzYyLzc0L3JCQUNFMVNnLWxiRDZ6T1JBQUFCMVJmMHJhbzY3NC5wbmciPu+8jOWNszxpbWcgd2lkdGg9ODMgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvNjIvNzQvckJBQ0UxU2ctbGZ5cVJNSkFBQUNncEhSSEE0NjM5LnBuZyI+5pe277yMPGltZyB3aWR0aD01NCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC82Mi83NC9yQkFDRTFTZy1sYkQ2ek9SQUFBQjFSZjByYW82NzQucG5nIj7vvIzlpoLkuIvlm77miYDnpLrjgII8YnI+PGltZyB3aWR0aD0xNzUgaGVpZ2h0PTE4MSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzYyLzc0L3JCQUNFMVNnLWxhQlpobnNBQUFrTDFnUFNTTTQyNi5wbmciPg==
4/5单选题
难度：
4.已知
是偶函数，且在
上是单调减函数，试比较
的大小是（ ）
是偶函数，且在上是单调减函数，试比较的大小是（ ） | A |  |
| B |  |
| C |  |
| D |  |
- 提示1：
- 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
- 提示2：
- IDxpbWcgd2lkdGg9ODQgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvOEYvMEQvckJBQ0ZGU2ctbU9oZEdmZ0FBQUI0akR4bjIwMDExLnBuZyI+
正确答案：Qg==
6Kej5p6Q77yaPGltZyB3aWR0aD04NyBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yRS83NS9yQkFDSmxTZy1tT3drR2NGQUFBQjQxZGZ5dDAyOTQucG5nIj7vvIzlm6DkuLo8aW1nIHdpZHRoPTU2IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzJFL0I0L3JCQUNKMVNnLW1QeW16SnVBQUFCd3lpdlNvZzQ3Ni5wbmciPu+8jDxpbWcgd2lkdGg9MjggaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvNjIvNzQvckJBQ0UxU2ctbEt5M2lMbkFBQUJqQzgzUFV3NDI4LnBuZyI+5ZyoPGltZyB3aWR0aD02MyBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC82Mi83NC9yQkFDRTFTZy1tT0NGZy1FQUFBQnlmUnNLM00yNDIucG5nIj7kuIrmmK/lh4/lh73mlbDvvIzmiYDku6U8aW1nIHdpZHRoPTExOSBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC84Ri8wRC9yQkFDRkZTZy1tT0FNRTNlQUFBRENRUElqdncxMTIucG5nIj7vvIzlm6DkuLo8aW1nIHdpZHRoPTg0IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzhGLzBEL3JCQUNGRlNnLW1PaGRHZmdBQUFCNGpEeG4yMDAxMS5wbmciPu+8jOaJgOS7pTxpbWcgd2lkdGg9MTMwIGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzJFLzc1L3JCQUNKbFNnLW1QeXY1dXlBQUFERUpWdklUMDc3MC5wbmciPuOAguaVhemAiUM=
5/5单选题
难度：
5.偶函数在
上是减函数，且
，则不等式
的解集是（ ）
在上是减函数，且，则不等式的解集是（ ） | A |  |
| B |  |
| C |  |
| D |  |
- 提示1：
- IDxpbWcgd2lkdGg9OTggaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvNjIvNzQvckJBQ0UxU2ctbC1DWTNuN0FBQUNRd0ZtOWlFNzU4LnBuZyI+77yM5b6X5Yiw77yaPGltZyB3aWR0aD02NCBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yRS83NS9yQkFDSmxTZy1sX2dqSlVrQUFBQ3BHLW4taXc2NjAucG5nIj7miJbogIU8aW1nIHdpZHRoPTY0IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzYyLzc0L3JCQUNFMVNnLWwtQ1VPaGtBQUFDblNBeV9rRTU2MC5wbmciPg==
- 提示2：
- IOagueaNrumimOaEj+eUu+WHuueugOWbvu+8mjxicj48aW1nIHdpZHRoPTIyNiBoZWlnaHQ9MjEzIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvOEYvMEQvckJBQ0ZGU2ctbF96a2xhREFBQWwtRDFnT2NvNjMwLnBuZyI+
- 提示3：
- 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
正确答案：QQ==
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