名校
解题方法
1 . 已知平面
平面
,直线
平面
,直线
平面
,
,在下列说法中,
①若
,则
;②若
,则
;③若
,则
.
正确结论的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa807136194c18d3ac58902c67f9333.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d983307d4345e724d9dd44935274843d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b02e0c74a66739bc83f73b5c5513cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b707f5ee4fbb2e637c65fbc6d8ed03.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b6e422b2e6f6dada4d8c369559a077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb26a220ed44c446105df7caa0f1063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb26a220ed44c446105df7caa0f1063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1b610e3c5b3d78a5730e7f3d736ac28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1b610e3c5b3d78a5730e7f3d736ac28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b6e422b2e6f6dada4d8c369559a077.png)
正确结论的序号为( )
A.①②③ | B.①② | C.①③ | D.②③ |
您最近一年使用:0次
2020-03-07更新
|
395次组卷
|
3卷引用:江苏省苏州市2018-2019学年高一下学期期末数学试题
解题方法
2 . 已知
,
表示两条不同的直线,
,
表示两个不同的平面,则下列四个命题中,所有正确命题的序号为____ .
① 若
,
,则
; ② 若
,
,则
;
③ 若
,
,则
; ④ 若
,
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
① 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b6e422b2e6f6dada4d8c369559a077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a042a14e1c3c915ad11544c9e1e57da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe920cd78db25f5b4df37d066e57800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35f747152f006301e03b643afb80195c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a042a14e1c3c915ad11544c9e1e57da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f4ded3c4bc7a2212f2a0eb5f9753de5.png)
③ 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe920cd78db25f5b4df37d066e57800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808c6d37467a5c995d71e49408503927.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4042f9c51f83e3367d496e851735d7f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a042a14e1c3c915ad11544c9e1e57da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a93a52c2b943e4c70ace99ed802d2b5.png)
您最近一年使用:0次
11-12高三上·江苏泰州·期末
3 . 设
为互不重合的平面,
为互不重合的直线,给出下列四个命题:
①若
; ②若
∥
∥
,则
∥
;
③若
; ④若
.
其中正确命题的序号为_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/725be6759947d258592cd888c4db4561.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e5774d5b442de3e16992df33984dc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a454eb406d21dc2367ad24fc88f2ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ee1679158b5854fcd7ab68263f623a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c68b1bb92ca3e5a1cf5d32041db1c6.png)
其中正确命题的序号为
您最近一年使用:0次
4 . 下列命题中正确命题的序号为_______________ :
①函数
的单调减区间为
,k
;
②函数y=
图象的一个对称中心为
;
③函数
在区间
上的值域为
;
④函数
的图象可由函数
的图象向右平移
个单位得到;
⑤若方程
在区间
上有两个不同的实数解
,则
.
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/113083fbf1400914c80b7b679fa63f14.png)
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572172167487488/1572172173254656/STEM/d4ef4890f14f4bafac43eee496ff991f.png?resizew=129)
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572172167487488/1572172173254656/STEM/342ab7b6168d4d93b3b586b7e37a3fd2.png?resizew=28)
②函数y=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a668cd2c81ba19a5a11dff29f1be85b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccceca659ab0c42fd51c8d1f3f717ee8.png)
③函数
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572172167487488/1572172173254656/STEM/9bf0b21edf144ccbbda19f59bd5f5d4e.png?resizew=109)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ace4011964ee004dabab2f95246cd86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77ba3b9ce15ff53257e782ae531e655e.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c65d71e57e6e7697e2f627dcd58583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ca9c2e84eabc66bb2b9e1aeee0ed3b.png)
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572172167487488/1572172173254656/STEM/f673427437f742a7ae25a17eaff80ba2.png?resizew=17)
⑤若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d84a39cdd054a65e2b90c6225587ffb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b77857e15ae11fc94a5e33bfc12d26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6870d642d561c21030b94d414ebe9e7.png)
您最近一年使用:0次
名校
解题方法
5 . 一个袋子中装有大小和质地相同的4个球,其中有2个红球(标号为1和2),2个白球(标号为3和4),甲、乙两人先后从袋中不放回地各摸出1个球.设“甲摸到红球”为事件
,“乙摸到红球”为事件
.
(1)小明同学认为:由于甲先摸球,所以事件
发生的可能性大于
发生的可能性.小明的判断是否正确,请说明理由;
(2)判断事件
与
是否相互独立,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efc18a5bb2e53586331b2a58538a48b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f20f21a9d50b61dac519a3ddab539d.png)
(1)小明同学认为:由于甲先摸球,所以事件
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efc18a5bb2e53586331b2a58538a48b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f20f21a9d50b61dac519a3ddab539d.png)
(2)判断事件
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efc18a5bb2e53586331b2a58538a48b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f20f21a9d50b61dac519a3ddab539d.png)
您最近一年使用:0次
2023-06-29更新
|
581次组卷
|
5卷引用:江苏省泰州市2022-2023学年高一下学期期末数学试题
6 . 下列说法中,所有正确说法的序号是_______ .
①终边落在
轴上的角的集合是
;
②函数
图象的一个对称中心是
;
③函数
在第一象限是增函数;
④为了得到函数![](https://img.xkw.com/dksih/QBM/2016/5/6/1572622195826688/1572622201831424/STEM/d7991414355a401ab7e573a784972752.png?resizew=84)
)的图象,只需把函数
的图象向右平移
个单位长度.
①终边落在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c33acca7abe2f50b67355937aa499e5.png)
②函数
![](https://img.xkw.com/dksih/QBM/2016/5/6/1572622195826688/1572622201831424/STEM/f28a7a609bc7434a8a0c9b28b4b312d4.png?resizew=109)
![](https://img.xkw.com/dksih/QBM/2016/5/6/1572622195826688/1572622201831424/STEM/a5a7a3a913d34b0d87196ffd3f8a4314.png?resizew=49)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffa8ddcbbe89ab0f250f56673e2d36c.png)
④为了得到函数
![](https://img.xkw.com/dksih/QBM/2016/5/6/1572622195826688/1572622201831424/STEM/d7991414355a401ab7e573a784972752.png?resizew=84)
![](https://img.xkw.com/dksih/QBM/2016/5/6/1572622195826688/1572622201831424/STEM/f336d9658e2b4b5cac062cd4cfd47b80.png?resizew=17)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325f9e2f7784ebdd64292e805884dfa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
您最近一年使用:0次