解题方法
1 . 设双曲线
的左、右焦点分别为
、
,过
且倾斜角为
的直线分别交
的左、右两支于
、
两点,若
,则
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac09dc1ca2cdd7aef28c218763d3e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f68412783359c1a90956ae7cb1c8923.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2 . 直线
被圆
截得的弦长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0985b973395bcd371cd1e26d3fcd1c36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd57e91d010570c2956fe595f93f9620.png)
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解题方法
3 . 已知双曲线
的虚轴长为
,两个顶点分别为椭圆
的两个焦点,则
的标准方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3304e23f3b0f9569c4140ca89b6498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b9fa4f7ad43a5f5388673a0bb6aa90b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
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4 . 已知数合
是小于4的整数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28e6fde1bda05a37e9fc57c3a86338d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ca8bdc812627d925f00ed7c145d696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
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解题方法
5 . 已知函数
为奇函数,其中
为常数.
(1)求
的解析式和定义域;
(2)若不等式
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f45433181950458aa5d7da889a45fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a56fefae6c15d78c08a685363c47fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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解题方法
6 . 若存在常数k,b使得函数
与
在给定区间上的任意实数
都有
,则称
是
与
的隔离直线函数.已知函数
.
(1)证明:函数
在区间
上单调递增.
(2)当
时,
与
是否存在隔离直线函数?若存在,请求出隔离直线函数解析式;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c388166862b3ccfcc7ca749ebe5949.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92860378096f519a8fb276d07dbfabce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b26e86fd3db1d24052fa796ab2a15b94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4133958c09fdd82cda8838c9cf46ccda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e90ab812e8ed9a261488c5ad7e6afd4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d7fb651fe497ed6aaf89951cc11dd15.png)
(1)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
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7 . 表观活化能的概念最早是针对Arrhenius(阿伦尼乌斯)公式
中的参量
提出的,是通过实验数据求得,又叫实验活化能,Arrhenius公式中的k为反应速率常数,
为摩尔气体常量,
为热力学温度(单位为开尔文,简称开),
为阿伦尼乌斯常数.已知某化学反应的温度每增加
开,反应速率常数
变为原来的
倍,则当温度从
开上升到
开时,
=______ .(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd97cbdff30dce1a4419c56bbb9cbed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe86722368bfcb473b7fbfa20053de93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d8944bbcea8400d9d7034f8f9a176eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07ae0b4264da6a8812454ffd2f20d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b685c556cc423e4833c1dc671a134cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba602bfa3a3ffb4fb43dc0f704a7f7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69f6201ecfcdce0c48f0cc6d984e62ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f12a76edbb3e98e3ff41c03401769d1c.png)
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解题方法
8 . 若
且
,则下列不等式正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fef20073a12bab727faa217718b63414.png)
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9 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee284488e3112e1b450a8be8af85319.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/178201c4d78c17b6cabcbc3f83e013da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee284488e3112e1b450a8be8af85319.png)
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10 . 给定数集
满足方程
,下列对应关系
为函数的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d927d6a7a8bf48bfee9e1a20cafb6b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/356cde48b29ec3cf7b8675539bb3abb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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