1 . 若复数
的模为4,则实数
的值为.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46ca05de1b3262af960317a29ed6e59f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.2 | B.![]() | C.![]() | D.![]() |
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2011高三·浙江·竞赛
2 . 直三棱柱
,底面
是正三角形,
、
分别为
、
(含端点)上的动点,
为边
的中点,且
..则直线
、
的夹角为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8240d4c1ad2401c1131d60b674bede0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
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3 . 已知函数
为偶函数,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4d1026d5123364f3c214ff23947e21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
______ .
![](https://img.xkw.com/dksih/QBM/2015/11/27/1572320777478144/1572320783425536/STEM/da5959ef20c84a83867a3a456d1847ab.png?resizew=184)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
您最近一年使用:0次
名校
5 . 若
则
是
的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ba407c1db18bcaace5097da8c50a26d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429e1479a7dbdca3ff599b1ebdde389a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7b19be7f15619108e82c5b5568ff25f.png)
A.充分而不必要条件 | B.必要而不充分条件 |
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
2016-12-02更新
|
1012次组卷
|
5卷引用:2013年浙江省高中数学竞赛试卷
6 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5113986d9507fc5015e71989831c128b.png)
_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48afb1fe085ac65e8eca3f76c34c2870.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5113986d9507fc5015e71989831c128b.png)
您最近一年使用:0次
2016-12-02更新
|
967次组卷
|
3卷引用:2013年浙江省高中数学竞赛试卷
7 . 已知
为一次函数,若对实数
满足
,
则
的表达式为.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc4978f812146b4566467ee255fc1c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ae2d5fab65d1f3fde715cafe3e0e718.png)
则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
8 . 已知直线
与抛物线
交于
两点,
为
的中点,
为抛物线上一个动点,若
满足
,则下列一定成立的是.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c64819ab9a1e4f9094f1b440d7c0cace.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9a7e0e5238148676a584b1748e04d3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a465f3c69de8a647a9323502f6f7565.png)
A.![]() | B.![]() ![]() ![]() |
C.![]() | D.![]() |
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12-13高三·河南南阳·周测
9 . 已知函数
在
上两个零点,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/845a33c0dd13c20065d12618feacafa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 设
求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9404f94292a7272b77aa0a38807c485.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
您最近一年使用:0次