1 . 已知p,q是两个命题,若“﹁(p∨q)”是真命题,则( )
A.p,q都是假命题 |
B.p,q都是真命题 |
C.p是假命题且q是真命题 |
D.p是真命题且q是假命题 |
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2 . 已知命题p:定义在R上的不恒为常数的函数y=f(x),满足
,则函数f(x)的周期为6; 命题q:函数f(x)=2x+1是增函数.下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1db6e0dfb490ed4552d3fe74d38ab94.png)
A.p∨q为假 |
B.p∧q为真 |
C.﹁p∧q为真 |
D.p∧﹁q为真 |
您最近一年使用:0次
2016高二·全国·课后作业
3 . 若
是真命题,
是假命题,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://img.xkw.com/dksih/QBM/2016/10/10/1826274783690752/1826274784043008/STEM/9e7b08f2181547ac912f038da67807f4.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2016高二·全国·课后作业
4 . 若命题
,则
是
![](https://img.xkw.com/dksih/QBM/2016/10/10/1826274783690752/1826274784010240/STEM/ea2ce29e7a7e4240898d037e89461aba.png)
![](https://img.xkw.com/dksih/QBM/2016/10/10/1826274783690752/1826274784010240/STEM/37200df6767b42269bae9af95ff59df6.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() ![]() |
您最近一年使用:0次
2014·吉林长春·二模
5 . 已知命题
:函数
的图象恒过定点
;命题
:若函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
为偶函数,则函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
的图象关于直线
对称,则下列命题为真命题的是
![](https://img.xkw.com/dksih/QBM/2014/4/23/1571642007306240/1571642012958720/STEM/edd0c256498245a5a0450b2a804732f0.png)
![](https://img.xkw.com/dksih/QBM/2014/4/23/1571642007306240/1571642012958720/STEM/cf040e4a7ec7449192eef9fca1bb5d3f.png)
![](https://img.xkw.com/dksih/QBM/2014/4/23/1571642007306240/1571642012958720/STEM/3c0df1217182478c8cfb3534fcea8531.png)
![](https://img.xkw.com/dksih/QBM/2014/4/23/1571642007306240/1571642012958720/STEM/61888884c7b04e2a86752827112709da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
![](https://img.xkw.com/dksih/QBM/2014/4/23/1571642007306240/1571642012958720/STEM/6836e2cb84764ed79adb214f9162d51e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
![](https://img.xkw.com/dksih/QBM/2014/4/23/1571642007306240/1571642012958720/STEM/fc78424dbaf8494f8135b374e3276dc3.png)
![](https://img.xkw.com/dksih/QBM/2014/4/23/1571642007306240/1571642012958720/STEM/fa42228410f54aeda8f1485fa866e695.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016高二·全国·课后作业
6 . 已知命题
:若
,则
;
:“
”是“
”的必要不充分条件,则下列命题是真命题的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://img.xkw.com/dksih/QBM/2016/10/10/1826274783690752/1826274783977472/STEM/9edd4ceda7cb4100bc49b2edca5abce9.png)
![](https://img.xkw.com/dksih/QBM/2016/10/10/1826274783690752/1826274783977472/STEM/1a987eb4fd864a5d98c35415c17de7ed.png)
![](https://img.xkw.com/dksih/QBM/2016/10/10/1826274783690752/1826274783977472/STEM/a255d4ab80874ba492a0c1dae7f21aa7.png)
![](https://img.xkw.com/dksih/QBM/2016/10/10/1826274783690752/1826274783977472/STEM/2b0c4870cb3b4277aee03d9bd22d0ece.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016高二·全国·课后作业
7 . 已知命题
:在△
中,“
”是“
”的充分不必要条件;命题
:“
”是“
”的充分不必要条件,则下列选项中正确的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://img.xkw.com/dksih/QBM/2016/10/10/1826274783690752/1826274783928320/STEM/7cef90df009b426aaf68b6cad2dcf2c2.png)
![](https://img.xkw.com/dksih/QBM/2016/10/10/1826274783690752/1826274783928320/STEM/c55f309a0dba49a99ef4b68483dfde08.png)
![](https://img.xkw.com/dksih/QBM/2016/10/10/1826274783690752/1826274783928320/STEM/d58afc2e65964c85a9fa04109c7e686a.png)
![](https://img.xkw.com/dksih/QBM/2016/10/10/1826274783690752/1826274783928320/STEM/b67795e556c14e6f84e7f8555c980238.png)
![](https://img.xkw.com/dksih/QBM/2016/10/10/1826274783690752/1826274783928320/STEM/df2bd480a36e4a9fb0c7c283c925846e.png)
A.![]() ![]() | B.![]() ![]() |
C.“![]() | D.“![]() |
您最近一年使用:0次
2016高二·全国·课后作业
8 . 命题“
的值不超过
”看作“非
”形式时,
为__________ .
![](https://img.xkw.com/dksih/QBM/2016/10/10/1826274783690752/1826274783879168/STEM/dea0ccd302d14114a8043a20395a0bcb.png?resizew=24)
![](https://img.xkw.com/dksih/QBM/2016/10/10/1826274783690752/1826274783879168/STEM/68f7af36db3f42b8af21bf6df5208455.png?resizew=12)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016高二·全国·课后作业
9 . 已知
有解,
,则下列选项中是假命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1053b7d78a1c85d3a212f9c68fa168a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb67e7f31fef25a1297fb77f7f55379b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016高二·全国·课后作业
10 . 已知命题
:函数
的图象恒过定点
;命题
:若函数
为偶函数,则
的图象关于直线
对称.下列命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdd25191b60858dc002919a7f2f35571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc30165c18de623d0a3efb961e606d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ed2dd8a797d6da9c89e858aed9a7da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次