名校
1 . 设
、
、
是非零实数,式子
所有可能取的值组成的集合记为
;满足
的实数
所有可能取的值组成的集合记为
;已知
,
,则
是
的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a289a2fc10bcce8d01142c8ca3c35e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/359499eb3aa8e9fa01b2a413eff90af5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5c7f42a2b0848dd4c8a518de8716f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d72b30aeea999feb630b493197eb3dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.充分非必要条件 | B.必要非充分条件 |
C.充要条件 | D.非充分非必要条件 |
您最近一年使用:0次
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2 . 已知命题:(1)若
,则
;(2)若
,则
;(3)“
”的必要非充分条件是“
”;(4)
是
成立的必要非充分条件.其中真命题的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c52edb8bdcd1a16569f6af7bf86d690.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc020b0997a2f37b214718112b79d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a479511a50da604b2fc7398617db8387.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6204ebd38f7dcba36e4086998680046c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca24341509c05e672999202f2df0ebaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53735663282ca04477d2a67976ce23a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c4e9d38c81e563443804e169c48e44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78777888727dd8ac0037a4ba32c283d6.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
名校
3 . 已知
,则“
”是“
”的______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e43bd363a819f262f6932c06f9c55d14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f23be9638a5d5934d0a3c55f3156b81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b21208364124b5c477b2ff8df1c2e8f.png)
您最近一年使用:0次
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4 . 若
,则“关于
的不等式
有解”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4a1a3dded1c88bfb6da1f8a5c481a48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63a8923facef6b8a09d2ca2b9f1ab6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af8772c77227406441fba5cfdef3a03e.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
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5 . 设
,则“
”是“
”的( )条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14fa8a0d486333b5444df5d5ebb124e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd293156d50e3205535f41ca19d53f0.png)
A.充分不必要 | B.必要不充分 | C.充要条件 | D.既不充分也不必要 |
您最近一年使用:0次
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6 . 若x,y为实数,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bc539c71b72aff71e7c8e31e74969d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca6047c76b0a0990e4283e97bb1db7c.png)
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 |
您最近一年使用:0次
2022-06-03更新
|
985次组卷
|
4卷引用:上海市延安中学2024届高三上学期9月月考数学试题
名校
7 . 已知数列
的前n项和为
,则“
为递增数列”是“
为递增数列”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/846fa57d92d6ad44d6a0cafad1e71ed4.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分又不必要条件 |
您最近一年使用:0次
2022-04-15更新
|
947次组卷
|
10卷引用:上海市吴淞中学2018-2019学年高三上学期10月月考数学试题
名校
8 . 下列命题正确的个数是( )
①
;
②若
,
,则
;
③使不等式
成立的一个充分不必要条件是
或
;
④若
、
、
是全不
为的实数,则“
”是“不等式
和
解集相同”的充分不必要条件.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93818a9241e805440a5c26342dc7d1af.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e271b6e63206285461a7552d11efd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4477891a0849eed531ba60d9a2549582.png)
③使不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0287bbf7b461468d96381bbf4dadeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a272adba0f1120109824440f0e252c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1602c6064af12eed3fd1291f8272d93c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d084b5d6dfec866250021937a44292c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c71dad98ca8479b3fef6d80d05ebbe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0826c48a346e7d6eca890d10c9785ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85ea3eb7bfc845b94b731bd4d5279192.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 设
,
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bae70138ec1bbd3a3063e3a4f99d6b51.png)
A.充分不必要条件 | B.必要不充分条件 | C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2022-03-01更新
|
457次组卷
|
2卷引用:上海市华东师范大学附属东昌中学2022届高三下学期阶段检测数学试题
10 . “
”是“
且
”成立的 ( )条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2e8d14e6e487b71d7bf4a820f21bcf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8d09b9fc9719ff6faf32254b9d48713.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/515713922221bfa136afa32822bb7ad1.png)
A.充分不必要 | B.必要不充分 | C.充要 | D.既不充分也不必要 |
您最近一年使用:0次
2021-10-20更新
|
191次组卷
|
2卷引用:上海外国语大学附属浦东外国语学校2022届高三上学期10月月考数学试题