名校
解题方法
1 . 已知函数
的定义域是
,对任意实数
,均有
,且
时,
.
(1)求
的值;
(2)证明:
在
上是增函数;
(3)若
.求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7edac77829e7aec29f8980f577959098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0c6f119137e1b6760d55956d99d963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e38fffbc7ab9882480f4faa72390e23.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a804fda24f19fb73149cc8b67b2a0de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b26ea49b6ba97004ac659e19fa33bca6.png)
您最近一年使用:0次
2 . 如果函数
满足:对定义域内的所有
,存在常数
,
,都有
,那么称
是“中心对称函数”,对称中心是点
.
(1)判断函数
是否为“中心对称函数”,若是“中心对称函数”求出对称中心,若不是“中心对称函数”请说明理由;
(2)已知函数
(
且
,
)的对称中心是点
.
①求实数
的值;
②若存在
,使得
在
上的值域为
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7d0e5b857f1dcaa2758843feed0f258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30277e0be448b4955903e81e8795e45d.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/398ecaa1e1bca5f815be92c1960705c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/060e7930731eddbcfac592b808e9b698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/079dd115a4b8cbc93918a853363786dc.png)
①求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
②若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4735fb3418fe21c889936999901815f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa208c8bab34df3e76f87552abc985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dfd13b1e15bfde785271a2750ff598d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
3 . 已知函数
满足
.
(Ⅰ)当
时,解不等式
;
(Ⅱ)若关于x的方程
的解集中有且只有一个元素,求a的取值范围
(Ⅲ)设
,若对
,函数
在区间
上的最大值与最小值的差不超过1,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f7d6f51562c4f88f6e25ea1242f910.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be1d8c6384d7fabddb693b2b7fcdf4a.png)
(Ⅱ)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1798b8db9226f5c6a773b678e299d10.png)
(Ⅲ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/119e8f7ecf67b46400cba51ec6f818ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/994e2170bd72e0a769bae7552a80efd3.png)
您最近一年使用:0次
2019-07-04更新
|
2508次组卷
|
5卷引用:湖北省天门市、仙桃市、潜江市2018-2019学年高一下学期期末考试数学试题
4 . 函数
定义在区间
,
,都有
,且
不恒为零.
求
的值;
若
且
,求证:
;
若
,求证:
在
上是增函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cead849c0dc4a82285808a7e081ad75c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10570c017a8e9ced002591abf78bc2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf30188c22ac25070805524f9d3ecf33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cb07fc041df359b25b6b47bcc4d024e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388f328e3593af8891ace6e36aa00ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b329c4dda26555f33053b1d65e1f4c12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/807aa53fc1daab149bd87713c378a055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bb89a362c1faf4d0c306eabbb59710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d03939641eb640b6392f9e6f1b143be4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cead849c0dc4a82285808a7e081ad75c.png)
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5 . 如果函数
在定义域的某个区间
上的值域恰为
,则称函数
为
上的等域函数,
称为函数
的一个等域区间.
Ⅰ
已知函数
,其中
且
,
,
.
当
时,若函数
是
上的等域函数,求
的解析式;
证明:当
,
时,函数
不存在等域区间;
Ⅱ
判断函数
是否存在等域区间?若存在,写出该函数的一个等域区间;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b57a483eee38fcd3a49874dc48803a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b62d82123c9bec7eb31f00b065f9d297.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed2211237a12130d785c85f26c17ab7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f375a95a73432cc9406e70cda0e9c636.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da2d9e9b038af9678de24ed1f8f43ba6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3ed81e22223547a71cd69c632ac71e.png)
您最近一年使用:0次
名校
6 . 已知
是定义在
上的奇函数,且
,若对任意的m,
,
,都有
.
若
,求a的取值范围.
若不等式
对任意
和
都恒成立,求t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc2c65dab68de1a94a29ae46ec4a9f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c932d47da286e9e73ed34b8a7756009.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b4c45afdac176c0614aa32609e0ce23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32fc1e99c3a942069f4865f123a5b4e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66bf54f8184b98b91d128e1d846faa03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16f235759a7d70fb0b259b9d4046bc57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cbd309660ccd3ec8efb6b8b2e893b95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/030ba7b9d2172b3b92323a2c16f53963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/988801074824730d915818e8c1a55f28.png)
您最近一年使用:0次
2019-02-13更新
|
1086次组卷
|
13卷引用:【市级联考】河南省新乡市2018-2019学年高一上学期期末考试数学试题
【市级联考】河南省新乡市2018-2019学年高一上学期期末考试数学试题【市级联考】山东省菏泽市2018-2019学年高一上学期期末联考数学试题湖南省衡阳市衡阳县第二中学2023-2024学年高一上学期期末达标测试数学试题(A卷)浙江省宁波市余姚中学2020-2021学年高一上学期期中数学试题江苏省徐州高级中学2020-2021学年高一上学期期中数学试题福建省泉州实验中学2020-2021学年高一上学期数学期中联考试题云南省大姚县第一中学2020-2021学年高一上学期期中检测数学试题新疆喀什地区疏附县2022届高三第一次高考模拟考试数学试题浙江省金华市2022-2023学年高一上学期期中数学试题福建省永春第一中学2022-2023学年高一下学期6月月考数学试题云南省大理州鹤庆县第三中学2022-2023学年高一上学期10月月考数学试题(已下线)高一数学开学摸底考02-新高考地区开学摸底考试卷安徽省宿州市泗县第一中学2023-2024学年高一下学期开学适应性训练数学试题
名校
7 . 已知函数
的定义域为
,对于给定的
,若存在
,使得函数
满足:
① 函数
在
上是单调函数;
② 函数
在
上的值域是
,则称
是函数
的
级“理想区间”.
(1)判断函数
,
是否存在1级“理想区间”. 若存在,请写出它的“理想区间”;(只需直接写出结果)
(2) 证明:函数
存在3级“理想区间”;(
)
(3)设函数
,
,若函数
存在
级“理想区间”,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be5b3f24056e94e16c9700d72ba2948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40ee87e42cc88a4fdf1d21bf61781224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
① 函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
② 函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/133a39a3960789a76fb6c9aadd55d1ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24464329963c0fff6738eb9f57da0723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82f9aefb2beaa09cae7951da5969dba4.png)
(2) 证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331d70266454df40256268b19b055a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d218992d1942266d7208e476d0c4100.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7fcaecdaa46d99dae9847b0a4a4f2d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1376168658dbe7f5b7f4d75fb1db545a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2019-01-29更新
|
793次组卷
|
2卷引用:【区级联考】北京市昌平区2018-2019学年高一第一学期期末数学试题
名校
8 . 已知函数
且
是奇函数.
(1)求实数
的值;
(2)若
,对任意
都有
恒成立,求实数
的取值范围;
(3)设
且
,若
,是否存在实数
使函数
在
上的最大值为
?若存在,求出
的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ea40ea8f8cb80c7502d4bbdfdbb060e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b72044b1c0296cbcfaa676aa4bd8a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cc2e93cee2e6a921b66d250bd046b33.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f63dd37de8fa5964b3db35932c740c50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851eae00e3369068e33a7e6420483883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e824e5c02d1ffe5dfd7962723bbc839.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9a6a1590bce244538af58db59dcf01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3557c2f949c4a8af4476e14185c5846.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4798e622d92f5f8b2df5bc9d405df89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d0149a86bdc6d233b1c59bd49991af6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd330acca8e17f5ff9aca1f0f312df50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dcd9a5b871b1de825b035115f2efa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2019-01-28更新
|
947次组卷
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3卷引用:【全国百强校】云南省玉溪一中2018-2019学年高一上学期期末考试数学试题
9 . 已知函数
是定义在R上的奇函数.
求实数k的值;
若
,不等式
对任意的
恒成立,求实数t的取值范围;
若
且
在
上的最小值为0,求实数m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94b91dca0306e19fdc2a609572f7a15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f63dd37de8fa5964b3db35932c740c50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cc96e99b8b7a398b908a5a5330eb93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05f1a3feca6218955446108ebad0a524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bb89a362c1faf4d0c306eabbb59710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d0149a86bdc6d233b1c59bd49991af6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52b549d870cffce461055a191c5baf14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8fe868d4152f599a9ae5a0dae150cb0.png)
您最近一年使用:0次
2019-01-27更新
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577次组卷
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2卷引用:【市级联考】四川省宜宾市2018-2019学年高一秋季期教学质量监测数学试题
名校
10 . 已知函数f(x)=
.
(1)判断函数f(x)的奇偶性,并用单调性定义证明:f(x)在区间(-∞,+∞)单调递增;
(2)求不等式f[log2(2x-1)]+
≤0的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29dcb8dabe9060305c8167dd393669cf.png)
(1)判断函数f(x)的奇偶性,并用单调性定义证明:f(x)在区间(-∞,+∞)单调递增;
(2)求不等式f[log2(2x-1)]+
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e671410d531f81ef73b6a9162cbd0750.png)
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2019-01-23更新
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352次组卷
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2卷引用:【全国百强校】贵州省凯里市第一中学2018-2019学年高一上学期期末考试数学试题1