解题方法
1 . 函数
的定义域是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a0e208d49ca0558de0bbd0650387da5.png)
您最近一年使用:0次
2 . 若复数
满足
.则在复平面内,
对应的点的坐标是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4797224647fd0c9666171d5e11ffdedb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
您最近一年使用:0次
解题方法
3 . 已知双曲线
过点
,且一条渐近线的倾斜角为
,则双曲线的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460e1f707e43e4d7a8a2eb6bfaa435e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac09dc1ca2cdd7aef28c218763d3e4d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 下列函数中,在区间
上单调递减的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
5 . 设
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/648533c7de423109cff25c3c8d5b5e28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a8db087ba86e75e897664960f26fc02.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
6 . 已知向量
,
满足
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd8e24205bc410c881a04169f70d608e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827dc54f26ef524184486d99542abe95.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd0cb64c92c6a01d89b11000b896535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
8 . 假设某飞行器在空中高速飞行时所受的阻力
满足公式
,其中
是空气密度,
是该飞行器的迎风面积,
是该飞行器相对于空气的速度,
是空气阻力系数(其大小取决于多种其他因素),反映该飞行器克服阻力做功快慢程度的物理量为功率
. 当
不变,
比原来提高
时,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ed280544911aa91a07b26a2ed09e39c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/171102a883b22fe6ca578efc8926f5b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc13a607ac0c7f76d252d7cb1bb040fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a344acb1ed9c08dc5f355ff74d01bafa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae5e401a716bc52bed83b53c447eacb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc13a607ac0c7f76d252d7cb1bb040fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522fdf99d6e1ae6757428932e5d319db.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.为使![]() ![]() ![]() |
D.为使![]() ![]() ![]() |
您最近一年使用:0次
解题方法
9 . 已知函数
,存在最小值,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa8c5670463879f58bf6ef159dbae062.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 已知角
的终边经过点
,把角
的终边绕原点O逆时针旋转
得到角
的终边,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cceff0e7d103475c3ba9a2712f373185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b63e88d9ce4afb1766093727c466c577.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次