解题方法
1 . 已知平面向量
,
,若
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cadb456f43065bff1bf0167dcb6cd1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/237e21416b2f708820b2a39b5749d245.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
A.2 | B.![]() | C.1 | D.![]() |
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2 . 设全集
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6542d015e7069847b70860ab43b62572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c96443d13d44c98562a0076fa68d37d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715476727accc3c6b3c71f2f25c3aaad.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 命题“
,
”的否定是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6422b9c2e93a91fe9e39ce4d9dabb0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e8c37a5bef80d99add54276a06f9e20.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
4 . 在8张奖券中有一等奖1张,二等奖2张,其余5张无奖.现从中随机抽取1张,则没有中奖的概率为( )
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知向量
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff0812ea92afd60233426521798f5ca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d8044e85434e2a2f995b1246c2e7a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff244f9e9345913bb0217d48ff378134.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
6 . 复数
(
为虚数单位)的模为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7c3ae0542eba87fe2f84664f589e48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
A.3 | B.5 | C.4 | D.7 |
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7 . 要得到函数
,
的图象,只需将函数
,
的图象( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcaf2bf2e03dd6d33e03b69c5a318b90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/139637feb9604ec0331be72fb94fdc39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
A.所有点横坐标扩大2倍,纵坐标不变 |
B.所有点横坐标缩小![]() |
C.所有点纵坐标缩小![]() |
D.所有点纵坐标扩大2倍,横坐标不变 |
您最近一年使用:0次
名校
解题方法
8 . 已知
,且
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b51e2bc24683f45afe168937fb8b5cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.![]() | C.3 | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 函数
的定义域是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a45165bad781d07e689e2931976ef2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 .
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8f69e9e1950074543768e7e066f2be2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次