2019届湖北省鄂东南省级示范高中教育教学改革联盟学校高三第一次模拟考试高三数学(理科)答案


综上所述,k 的取值范围为 ๠ ln −1或 ๠ − 1.


...........10 分
..........12 分
22.(10 分)【解析】 Ⅰ 直线 l 的参数方程为
1 −1 4
为参数 ,消去参数,
可得直线 l 的普通方程 4 − − 7 , 曲线 C 的极坐标方程为ρsin θ − 4cosθ ,即ρ sin θ
上, 时,g −1
上,
, 在 ๠ 上单调递减.
ln − 1 0.
,所以在 ๠1 上,
,在
, 在 1๠ 上单调递减.
๠1 上单调递增;
所以 max 1 ,即当 k 时, 的最大值为 .
...........5 分
(Ⅱ) 令

ln
1 4

4−1

1


4,
− 1 ln ๠ − ๠ 1
4๠ 1
− 1 ln ๠ − 4๠ 1 .
−1

−1

−1
1.
18.(12 分)【解析】(Ⅰ)因为
− −. 平面 ๠,所以
๠,
..........12 分
又因为 ๠

,๠
,由 ๠
sin ๠
sin ๠ ,可得 sin

1,
所以 ๠
, ๠ ๠ ,即 ๠
,因为
,所以 ๠ 平面
因为 ๠ 平面 Ӑ๠,所以平面
平面 Ӑ๠;

(Ⅱ)以点 为坐标原点, ๠ 所在的直线为 轴, 所在的直线为 轴,
ln ๠ − 4๠ 1 ,
๠ − 4๠ 1
๠ −1 − ,
...........6 分
当 ๠ 时, ๠ − 1 ,在 ๠ 上,
, 在 ๠ 单调递增;在 ๠4 上,
๠4 单调递减.又因为 4
ln − 1 0,
๠ 1,
๠ 4๠ ๠ 4๠ − 4๠ ๠ − ๠ 4๠ − 4๠ ๠ 4๠ 1 − ๠
,即


๠ − ,因为直线 与 x 轴不垂直且
,则 ๠ 1 且 ๠ .
๠−
联立
4
1 ,得 1 4๠
−1 ๠
1 ๠ −4 ,
由1 由于
1 ๠ −4,可得
1 4๠
1
๠−,
1 4๠
1
๠ 1−
,设直线 AN 的方程为 ๠ −
−4๠ .
1 4๠

..........10 分 ..........12 分
..........1


.
1
..........10 分
即 ๠1๠ ,综上可得直线 与 的斜率之积的取值范围为 , .
.........12
分 21.(12 分)【解析】(Ⅰ)当 k
时,
− ln − 1
.

− 1 ln −
− 1 ln − ,

ln − ,
− ,在 ๠ 上,
, 在 ๠ 上单调递增;
在๠ 所以当 又 在 1๠
若 1 1 即 ๠ − 1时,在 ๠1 上, − 1 ,

;在 1๠ 上, − 1
;在 ๠4 上, − 1 ,


此时 x= 是 在 ๠4 内唯一的极值点,且为极大值点.
若 1 1 时, 当 ๠ 时,
在 ๠4 内存在三个极值点,不符合.
ln ๠ − 4๠ 1
ln ๠
−4 −
ln − 0,
类似 ‫ ڰ‬,可得此时 x=1 是 在 ๠4 内唯一的极值点,且为极大值点.
− 1.
..........12 分
19.(12 分)【解析】 Ⅰ 设第三组 4 ๠ 与第四组 ๠ 的频率分别为 ๠ ,则
Ǥ1 1
Ǥ1 Ǥ1 Ǥ
Ǥ
1
1 ,解得
Ǥ1 , Ǥ
..........3 分
所以年龄在第三组 4 ๠ 之间的频率为 0.15,在第四组 ๠
这 1 位作者年龄的样本平均数 为
Ǥ1 4 Ǥ1
๠ 1 时,关于 x 的不等式
恒成立,
即 1 |−
− 恒成立,即 −
∴−
− 恒成立,即 −


,即实数 m 的取值范围为 ๠ .
− − 1 恒成立, − 恒成立,即 4 −
..........5
恒成立, ..........10 分
3页 鄂东南省级示范高中教育教学改革联盟学校 2019 届第一次模拟考试 高三数学(理科)参考答案(共 4 页)第 4页
4,
..........2 分 4ρcosθ,曲线 C 的直角坐标方程为
.........5 分
Ⅱ 将直线的参数方程
1 − 1 4 (t 为参数)代入
4 ,得1 − 4 −


1,
,则 1

4
1
−7 ,
1
所以 1
1
1
1
1
1
1
1−
1
−4t1t
4 7.
1
t1t
1
23.(10 分)【解析】(Ⅰ)当 1 时,函数
0.15+60 0.3+70 0.25+80
之间的频率为 0.3. 0.05=56;
..........6 分
Ⅱ 根据分层抽样的原理,可知这 8 人中年龄在
故 可能的取值为 0,1,2,3:
ӐӐ

Ӑ
1
Ӑ1Ӑ Ӑ
1,
๠4 内有 3 人,在
Ӑ Ӑ1 Ӑ
1,
๠7 内有 5 人,
ӐӐ
1,
Ӑ
所以 的分布列为:
鄂东南省级示范高中教育教学改革联盟学校 2019 届第一次模拟考试
高三数学(理科)参考答案
一、选择题: 题号 1 2 3 4 5 6 7 8 9 10 11 12 答案 C A D B A D B C D B B A
二、填空题:
13. − 1; 14. ; 15. − 1๠ ; 16.
三、解答题:
17.(12 分)【解析】(Ⅰ)由 1 1,
如图所示,建立空间直角坐标系,
其中 ๠ ๠ , ๠ ๠1 ,Ӑ ๠4๠ ,๠ ๠4๠ , ๠1๠ .
从而 ๠ ๠4๠ − 1 , Nhomakorabea设
Ӑ,从而得
๠1๠ , Ӑ − ๠ ๠ , − ๠ 1๠ ,
− ๠ 1๠ − 1 , 设平面 ๠ 的法向量为 1 ๠ ๠ ,若直线 ๠๠平面 ๠,
1
1−
满足 1 ๠ ,即
1 4−


1 4๠ 4 ๠
๠ 1−๠ ๠4 ๠

..........9 分
斜率为๠
1− 1−
−4๠ − 4๠
1 4๠ 4 ๠
๠−−−๠
๠.
4 1−๠
1 4๠ 4 ๠
所以直线 与 的斜率之积๠1๠
๠ 1−๠

1
๠4 ๠
4 1−๠
因为 ๠ 1 且 ๠ ,所以๠
且๠
1,๠
1 ๠


1
๠4 ๠
1
1
๠11

1 ๠1
1
−1 ,
不等式
,即
故有
− 1,
− −1 1−
1
①或 4
− 1 4,
−1
1 , ②或
1 1−
4
1,
③.
1 −1 4
解①求得− 4
− 1,解②求得− 1
1,解③求得1
4.
..........7 分 ..........10 分
..........3 分
综上可得,不等式
4 的解集为 − 4
4.
分 (Ⅱ)由题意可得,当
所以 ‫ ڰ‬当
max
即ln −1 ๠ ,在 ๠1 上,h
;在 1๠4 上,
,在 .此时
x=1 是 在 ๠4 内唯一的极值点,且为极大值点.
...........8 分
‫ ڰڰ‬当
max
即 ๠ ln −1时, 在 ๠ 和 ๠4 上分别存在唯一的零点 1和 ,
鄂东南省级示范高中教育教学改革联盟学校 2019 届第一次模拟考试 高三数学(理科)参考答案(共 4 页)第 3页
−1 ,
, ..........6
1
鄂东南省级示范高中教育教学改革联盟学校 2019 届第一次模拟考试 高三数学(理科)参考答案(共 4 页)第 1页

1,取
4
1
− ๠ ๠1 .
又平面 Ӑ 的的一个法向量为
1๠ ๠ ,所以 cos 1๠
所以锐二面角 − ๠ − Ӑ 的余弦值为 1 .
1 1
− 1
1
..........4 分
1页 鄂东南省级示范高中教育教学改革联盟学校 2019 届第一次模拟考试 高三数学(理科)参考答案(共 4 页)第 2页
只要将上式的

换为−
1,可得

− ๠,
4๠
4๠ .
4๠
由点 为
中点,得
๠ 1 4๠ 4 ๠

1
๠๠ 4๠
−1 4๠

๠ ๠ −1
则 斜率为๠1
1 4๠ 4 ๠
0
1
2
3
P
1
1
1
所以 的数学期望为
11
1
1 ๠.
20.(12 分)【解析】(Ⅰ)因为抛物线 4 的焦点为

所以
,又椭圆 Ӑ 过点
๠1
3
,所以

a
合集下载

2019年5月鄂东南省级示范高中教育教学改革联盟学校2019 届第一次模拟考试高三语文试卷及答案

2019年5月鄂东南省级示范高中教育教学改革联盟学校2019 届第一次模拟考试高三语文试卷及答案
6.新闻提倡“用事实说话”,但客观的事实中往往蕴含着思想情感和价值倾向。以上四则材料分别 侧重于哪些新闻事实?四则材料蕴含了怎样的思想情感和价值倾向?(6 分)
(三)文学类文本阅读(本题共 3 小题,15 分) 阅读下面的文字,完成 7—9 题。 青春之歌(节选) 杨沫 整个上午,郑瑾低低地教给她们唱一首监狱的歌子。这个歌子在一九三 0 年以后,曾流行在上
C.利用体细胞克隆猴技术进行体外基因编辑,从而制备大批遗传背景相同的模型猴,可以大幅 减少因药物筛选使用的猕猴数量。
D.“悟空号”、寒武纪生物大爆发等项目入选“国内十大科技热点”,代表了我国近些年来取得 了科技成就的新特点新趋势。
5.下列对材料相关内容的概括和分析,不正确的一项是(3 分) A.中国科学家通过改良克隆羊技术,从而生产出遗传背景单一的疾病猕猴模型,有利于减少药 物筛选实验中个体差异的干扰。 B.生命体克隆并将之应用于活体实验,可能会引发社会关于生命伦理的质疑,但人工克隆 疾病猕猴模型反而可能平息一些争议。 C.“中国科学十大进展”是观察中国科技发展成就的重要窗口,中国科学家实现人类首次克 猴是中国科技领先全球的重要例证。 D.“基于体细胞移植技术成功克隆出猕猴”技术既符合科学伦理,又体现科学精神,各媒体 不同侧面广泛报道有利于科学精神传播。
这件背心穿在身上吧。”她又拿着枕边一把从上海带来的精美梳子对小俞笑笑,“小妹妹,你喜欢这
把梳子吗?我想送给你留做纪念。”
气休息了一会,忽然又睁开那热情的大眼睛问道静:“林,你保证能够把我的话带给组织吗?”

道静不能再说一句话。她流着泪使劲点着头。然后伸过双手紧握住林红雪白的手指,久久不动
地凝视着那个大理石雕塑的绝美的面庞……她的血液好像凝滞不流了,脑际:“这样的人也会死吗?……”

湖北省鄂东南省级示范高中2019一模文数 试题

湖北省鄂东南省级示范高中2019一模文数  试题

鄂东南省级示范高中教育教学改革联盟学校 2019 届第一次模拟考试高三数学(文科)试卷命题学校:黄冈中学命题教师:尚厚家 胡小琴审题教师:张华民考试时间:2019 年 5 月 10 日下午 3:00—5:00试卷满分:150 分一、选择题:本大题共 12 小题,每小题 5 分,共 60 分.在每个小题给出的四个选项中,只有一项是符合题目要求的. 1. 若复数 z 满足 z(1i) 53i ,其中i 为虚数单位,则 z 的虚部为( ) A . 4 B .iC .1 D .172. 已知集合A x log x 1 ,2x 5B xx 1,则 B (C A)= ( ) RA . x 2 x 5B . x 1 x 5C .x 1x 2D .x1x 23.如图为某市国庆节 7天假期的商品房日认购量(单位:套)与日成交量(单位:套)的折线图,则下面结论中 正确的是( ) A .日成交量的中位数是 16B .日成交量超过日平均成交量的有 1 天C .日认购量与日期是正相关关系D .日认购量的方差大于日成交量的方差 1 14. 已知命题 p :xN*,( )( ) xx ( e 为自然对数的底数);命题q :x R ,使得3x +31x2 3 .2e则下列命题是真命题的是( )A . p qB . (p) qC . p(q) D . (p) (q)5. 已知函数 f (x) (x 2)(ax b) 为偶函数,且在 (0,)上单调递减,则 f (1 x) 0 的解集为( ) A . (,1)(3,) B . (1, 3) C . (1, 1)D . (,1)(1,) 6. 已知向量 a ,b 满足| b |2 且 (a b) b ,则 a 在b 方向上的投影为( )4 3 3A . 2B . 2C .a a 7. 已知等比数列2 16 164 3 D .3 1,记等比数列aa各项均为正数,满足a a ,67na a34前n项的积为T,则当T取得最大值时,n ()n n的n 8A.8或9B.9或10 C..10或11D.11或12鄂东南省级示范高中教育教学改革联盟学校2019届第一次模拟考试高三数学(文科)试卷(共4页)第1页8. 已知双曲线xy 22221( a b 0 )的离心率为 3 ,则它的一条渐近线被圆 x 2 y 26x 0 a b截得的线段长为( )3 2A . 3B . 2 3C .D .3 229. 我国古代的劳动人民曾创造了灿烂的中华文明,戍边的官兵通过在烽火台上举火向国内报告,烽火台上点火表示数字 1,不点火表示数字 0,这蕴含了进位制 的思想. 如图所示的程序框图的算法思路就源于我国古代戍边官兵的“烽火传 信”. 执行该程序框图,若输入 ,则输出 的值为( )A .21B .43C .51D .5310.已知函数 f (x)Asin(x) ( A 0, 0,)的最大值为 2 ,其2图像相邻两条对称轴之间的距离为 则下列判断正确的是()2,且 f (x) 的图象关于点 ( ,0)对称,12A .要得到函数 f (x) 的图象,只需将 y 2 cos 2x向右平移6个单位B .函数 f (x) 的图象关于直线 x5对称6C .当 x,6 6时,函数 f (x) 的最小值为 2D .函数 f (x) 在 ,6 3上单调递增 11.已知 F 1, F 2 是双曲线 x y 2 22 2 1( a 0,b 0 )的两个焦点,点 A是双曲线的右顶点,a b M (x , y )(x0, y 0)是双曲线的渐近线上一点,满足MFMF ,如果以点 A为焦点的抛12。

鄂东南省级示范高中教育教学改革联盟学校 2019 届第一次模拟考试英语试题(解析版)

鄂东南省级示范高中教育教学改革联盟学校 2019 届第一次模拟考试英语试题(解析版)

鄂东南省级示范高中教育教学改革联盟学校 2019 届第一次模拟考试高三英语试卷注意事项:1.答题前,先将自己的姓名、准考证号填写在试卷和答题卡上,并将准考证号条形码粘贴在答题卡上的指定位置。

2.选择题的作答:每小题选出答案后,用 2B 铅笔把答题卡上对应题目的答案标号涂黑。

写在试卷、草稿纸和答题卡上的非答题区域均无效。

3.非选择题的作答:用黑色签字笔直接答在答题卡上对应的答题区域内。

写在试卷、草稿纸和答题卡上的非答题区域均无效。

4.考试结束后,请将本试卷和答题卡一并上交。

第二部分阅读理解(共两节,满分 40 分)第一节(共 15 小题;每小题 2 分,满分 30 分)阅读下列短文,从每题所给的 A、B、C 和 D 四个选项中,选出最佳选项。

AHere are some fancy items highly recommended to you to enrich or improve your daily life.Beauty of mushroomsArtist and photographer Jill Bliss will change your view of mushrooms with her photos, which you can find at http://bit.ly/mushroomphotos. Bliss arranges mushrooms and other objects she sees in nature almost like bunches of flowers.Out in the StormAll the components of great pop music — exciting songwriting, a commanding singer, and a band that plays with total commitment —are there and shining like diamonds on Waxahatchee’s new album, Out in the Storm. In what’s turning out to be a very impressive year for female bandleaders, writer/singer Katie Crutchfield and her rockingall-female band are experiencing one success after another.CircaIf you’re tired from your international flight, trying to remember if the kids will still be awake for your call or to schedule a conference call for work, the app Circa can help you keep track of time in different time zones of the world. It’ll give you one less thing to worry about. The app is $3.99 for iOS and free for Android users.Their FinestThe movie Their Finest, set during World War Ⅱ, centers on the film division of the British Ministry of Information, where Catrin Cole (Gemma Arterton) is employed, making movies that appeal to women. Film criticPeter Rainer writes that “the film’s best comic character is Ambrose Hilliard … performed with plenty of playful fun by that great scene-stealer Bill Nighy.” Their Finest is available on DVD and Blu-ray.21. What do we know about Katie Crutchfield’s band?A. It performs folk music.B. Its target audience is women.C. It is an overnight success.D. Its members are female.22. What is the main function of the app Circa?A. To tell world time across different places.B. To record users’ important meetings.C. To remind users of international calls.D. To recommend overseas flights to users.23. Which of the following is one of the characters in the movie Their Finest?A. Gemma Arterton.B. Ambrose Hilliard.C. Peter Rainer.D. Bill Nighy.【答案】21. D 22. A 23. B21. D本题考点细节理解。

鄂东南省级示范高中教育教学改革联盟学校2019 届第一次模拟考试-高三语文参考答案20190421

鄂东南省级示范高中教育教学改革联盟学校2019 届第一次模拟考试-高三语文参考答案20190421
10 分; 3.不符合演讲稿要求的,应酌情扣 2-4 分; 4. 发展等级 20 分,只要“特征”4 项有一项非常突出,给满分; 5.坚持激励性原则,对写得好的作文要敢于打高分; 6.本次作文起评分为 45 分。
文言文参考译文: 沈邵,字道辉,外表清秀,广泛地阅读文史书籍。继承父亲的爵位,当驸马都尉,奉朝请。太
鄂东南省级示范高中教育教学改革联盟学校 2019 届第一次模拟考试
高三语文参考答案
1.B(由原文“王阳明一方面注重个体在评判是非善恶中的能动作用,另一方面又赋予判断的准则以 普遍的内涵,个体性与普遍性在王阳明那里内在地结合在一起”可知,判断是非善恶中,既要发挥 个体的能动作用,即“持心公正”;也要注意普遍法则的规范。选项在具体情境中,片面错误地理解 了心即是理的内涵。) 2.C(“通俗形象”错,全文并无使用类比论证等可以让论述通俗易懂的论证手法,语言特点也是学 理性强。) 3.D(根据“王门后学以对个体性方面和普遍性方面的不同理解展开而衍化为不同流派”可知,二重 性本身为王阳明良知论的理论特征,而王门后学从对个体性与普遍性方面的不同演化分流成不同学 派,“以”突出了前后因果关系。根据文后的标题以及全文论证逻辑可知,“内在张力”即内在二重 性的对立统一,D 选项正确。A 选项,根据原文第三段,“志”为个体志气,“当”为普遍规范。个体 与普遍的统一,对应语序应为“志”与“当”。B 选项,根据原文“如果缺乏这种引导,“志”就会演 化为个体的意气之私,蜕变为一种私人化的意向。”可知,志缺乏普遍规范的情况下,会发生蜕变, 故“永恒积极的精神力量”错误。C 选项,王阳明提出无我观念,并非是对个体的否定。根据原文, 无我只是强调对社会价值的认同,反对的是“反对因个体利益的追求而否定、消解对群体的责任”。) 4.C(根据原文,张洪钧团队和孙强团队通过合作克隆出的五只小猴“这项进展说明中国科学家已可 以批量生产遗传背景均一的疾病猕猴模型”,而非选项所述"‘中中’与‘华华’的诞生"。A 选项 错误。根据原文,“改良”为外语翻译为中文的结果,不能依据中文语境狭义的理解来判定中国科技原 创性不足,证据不充分。根据材料四体细胞克隆猴技术入选 2018 年“中国科学十大进展”以及“研究 成果能否入选,原创性是最重要的衡量标准”可知,体细胞克隆猴技术具有原创性,B 选项错误。根 据材料四,“寒武纪生物大爆发”为刘敏为说明我国在“围绕特色科学资源,我国已在一些特色科学领 域具有引领优势”的举例,并未明确表明已经入选“中国科学十大进展”,D 选项错误。) 5.C(于文无据,体细胞克隆猴技术只能代表我国在这一领域眼下处于全球领先地位,而不能作为我 国整体科技水平已经领先全球的例证。也就无从谈起该技术是我国科技整体水平领先全球的重要例 证。材料四中,“‘中国科学十大进展’已……为我国加快建设世界科技强国具有重要作用”也可证明,我 国正在建设世界科技强国的历程中,更加谈不上领先全球。) 6.新闻事实:①材料一侧重我国从无到有,到可批量生产疾病猕猴模型的技术发展历程。②材料二 摘编多家外媒围绕我国体细胞克隆猴技术的报道。③材料三侧重于团队成员对社会伦理关注的回应。 ④材料四侧重分类呈现近些年来“中国科学十大进展”入选项目。

2019年5月鄂东南省级示范高中教育教学改革联盟学校2019 届第一次模拟考试高三数学(文)试卷及答案

2019年5月鄂东南省级示范高中教育教学改革联盟学校2019 届第一次模拟考试高三数学(文)试卷及答案

9
高三数学(文科)答案

1
一、选择题

1. 答案:C
解析:
z

5 3i 1 i

(5 3i)(1 i) 2

4i
,虚部为
1.
2. 答案:D 解析:由题意

ૈǡ ‫ܤ‬
ૈ{ | ൐ ʹሽૈǡ ‫ ܤ‬ൌ

ʹ,故选 D.
3. 答案:D
ʹ,则 ૈ ǡ ‫ʹ ܤ‬,所以
解析:7 天假期的商品房认购量为:91、100、105、107、112、223、276;成交量为:8、13、16、26、32、
9. 答案:D 解析:按照程序框图执行,′ 依次为 0,1,1,5,5,21,53,故输出 ′ ૈ ͵.故选 D. 10. 答案:A 解析:因为 的最大值为 ,故 ૈ ,又图象相邻两条对称轴之间的距离为 ,
故 ૈ 即 ૈ ,所以 ૈ sin
,令

,则

͵

即ૈ
͵
,因
,故


͵
ૈ sin
.
͵
ૈ cos ૈ sin
1
4. 答案:A
解析: p 真 q 真.

5. 答案:B
解析∵ ૈ
′ૈ
(′ ) ′ 为偶函数,∴′
ૈ ກ,
∴ૈ
4 ૈ ( 4), ૈ ກ.由 在(0,+∞)单调递减, ൌ ൐ ກ ૈ 得 ൌ <2,

即 ൌ< <3,故选 B.
6. 答案:B

解析:∵‫ܤ‬′‫ ૈ ܤ‬,( ′) ′,∴ ′ ′ ૈ ′ ′ ૈ ′ 4 ૈ ກ, 1
是符合题目要求的.
1. 若复数 z 满足 z(1 i) 5 3i ,其中 i 为虚数单位,则 z 的虚部为( )

鄂东南省级示范高中教育教学改革联盟学校2019 届第一次模拟考试-高三英语参考答案20190424

鄂东南省级示范高中教育教学改革联盟学校2019 届第一次模拟考试-高三英语参考答案20190424

鄂东南省级示范高中教育教学改革联盟学校2019届第一次模拟考试高三英语参考答案及听力录音稿1—5CABBC6—10AACBB11—15BAACC16—20BACBC21—23DAB24—27BCCD28—31CDAD32—35CBBA36—40BCFAE41—45DADCB46—50DCDBC51—55CABAB56—60BDACA61.it62.uncomfortable63.what64.to stay65.were asked66.more active67.falling68.findings69.differently70.as短文改错In recent years great changes have been taken place in my hometown.Ten years before,the small and low houses that lie on the north of the lake produced much waste.As the result,the lake was seriously polluted.To the west was a sandy field,what was the source of dust.Even worst,a brickyard on the southwest of the lake used a great deal good soil.Now the poor houses have been replaced by green trees but the brickyard by tall buildings. The sandy field the villagers used to dug and turn over is covered with fruit trees.Tourists from nearby towns often spend the weekend boat and fishing on the lake.书面表达Dear Joseph,How is everything going?I’m more than delighted to write you this letter,in which I’d like to sincerely invite you to come to my hometown for a visit during the approaching summer holiday,when my college entrance examinations will be over.It would be a great pleasure for me to keep you company.During your visit here,you can stay at my home.Additionally,I’ll show you around some places of interest.Of course,there is something nice you can’t miss,that is,tasting some famous local snacks and experiencing the local history and culture as well as our customs.I’m fully convinced that you’ll surely like my hometown.I’d be honoured if you could accept my invitation.Looking forward to your early reply.Yours,Li Hua【完形填空文章导读】我们在做错事情以后应真诚地向别人道歉,这不仅能给别人带来好处,更重要的是能摆脱我们的负罪感。

【优质】湖北省鄂东南省级示范高中2019一模理数答案



.
1
..........10 分
即 ๠1๠ ,综上可得直线 与 的斜率之积的取值范围为 , .
.........12
分 21.(12 分)【解析】(Ⅰ)当 k
时,
− ln − 1
.

− 1 ln −
− 1 ln − ,

ln − ,
− ,在 ๠ 上,
, 在 ๠ 上单调递增;
在๠ 所以当 又 在 1๠
1
−1 ,
不等式
,即
故有
− 1,
− −1 1−
1
①或 4
− 1 4,
−1
1 , ②或
1 1−
4
1,
③.
1 −1 4
解①求得− 4
− 1,解②求得− 1
1,解③求得1
4.
..........7 分 ..........10 分
..........3 分
综上可得,不等式
4 的解集为 − 4
4.
分 (Ⅱ)由题意可得,当
33
若 1 1 即 ๠ − 1时,在 ๠1 上, − 1 ,

;在 1๠ 上, − 1
;在 ๠4 上, − 1 ,


此时 x= 是 在 ๠4 内唯一的极值点,且为极大值点.
若 1 1 时, 当 ๠ 时,
在 ๠4 内存在三个极值点,不符合.
ln ๠ − 4๠ 1
ln ๠
−4 −
ln − 0,
类似 ‫ ڰ‬,可得此时 x=1 是 在 ๠4 内唯一的极值点,且为极大值点.
4,
..........2 分 4ρcosθ,曲线 C 的直角坐标方程为
.........5 分

2019届湖北省鄂东南省级示范高中教育教学改革联盟高三第一次模拟考试英语试题(word版)

鄂东南省级示范高中教育教学改革联盟学校 2019 届高三第一次模拟考试英语试卷考试时间:2019 年 05 月 11 日下午 15:00—17:00 试卷满分:150 分★祝考试顺利★注意事项:1.答题前,先将自己的姓名、准考证号填写在试卷和答题卡上,并将准考证号条形码粘贴在答题卡上的指定位置。

2.选择题的作答:每小题选出答案后,用 2B 铅笔把答题卡上对应题目的答案标号涂黑。

写在试卷、草稿纸和答题卡上的非答题区域均无效。

3.非选择题的作答:用黑色签字笔直接答在答题卡上对应的答题区域内。

写在试卷、草稿纸和答题卡上的非答题区域均无效。

4.考试结束后,请将本试卷和答题卡一并上交。

第一部分听力(共两节,满分 30 分)第二部分阅读理解(共两节,满分 40 分)第一节(共 15 小题;每小题 2 分,满分 30 分)阅读下列短文,从每题所给的 A、B、C 和 D 四个选项中,选出最佳选项。

AHere are some fancy items highly recommended to you to enrich or improve your daily life.Beauty of mushroomsArtist and photographer Jill Bliss will change your view of mushrooms with her photos, which you can find at http://bit.ly/mushroomphotos. Bliss arranges mushrooms and other objects she sees in nature almost like bunches of flowers.Out in the StormAll the components of great pop music — exciting songwriting, a commanding singer, and a band that plays with total commitment — are there and shining like diamonds on Waxahatchee’s new album, Out in the Storm. In what’s turning out to be a very impressive year for female bandleaders, writer/singer Katie Crutchfield and her rocking all-female band are experiencing one success after another.CircaIf you’re tired from your international flight, trying to remember if the kids will still be awake for your call or to schedule a conference call for work, the app Circa can help you keeptrack of time in different time zones of the world. It’ll give you one less thing to worry about. The app is $3.99 for iOS and free for Android users.Their FinestThe movie Their Finest, set during World War Ⅱ, centers on the film division of the British Ministry of Information, where Catrin Cole (Gemma Arterton) is employed, making movies that appeal to women. Film critic Peter Rainer writes that “the film’s best comic character is Ambrose Hilliard … performed with plenty of playful fun by that great scene-stealer Bill Nighy.”Their Finest is available on DVD and Blu-ray.21. What do we know about Katie Crutchfield’s band?A. It performs folk music.B. Its target audience is women.C. It is an overnight success.D. Its members are female.22. What is the main function of the app Circa?A. To tell world time across different places.B. To record users’ important meetings.C. To remind users of international calls.D. To recommend overseas flights to users.23. Which of the following is one of the characters in the movie Their Finest?A. Gemma Arterton.B. Ambrose Hilliard.C. Peter Rainer.D. Bill Nighy.【答案】21. D 22. A 23. BBA math and physics teacher from rural Kenya, who gives away 80% of his monthly income to help the poor, has won a $1 million prize.Peter Tabichi was awarded the Global Teacher Prize on Sunday. He teaches at a rural Kenyan school in Pwani Village, with only one computer, poor Internet and a student-teacher ratio (比率) of 58:1. Nearly all his students are from poor families, and almost a third of them have no parents or only one parent alive.Tabichi gets online educational content by visiting Internet cafes and uses it offline in class. He guided the school’s science club, in which students now compete in national and international competitions. The mathematical science team qualified to compete in the INTELInternational Science and Engineering Fair this year in Arizona. His students also won an award from the Royal Society of Chemistry after using local plant life to produce electricity.“This prize does not recognize me but recognizes this great continent’s young people,”Tabichi said. His students face many challenges, including food shortage, drug abuse, teenage pregnancies and young marriages. Yet at the Keriko Mixed Day Secondary School where Tabichi teaches, the number of students has doubled over three years and more of the students are going on to college.Tabichi was chosen from 10,000 applicants in 180 countries. He accepted the award from actor Hugh Jackman. The annual Global Teacher Prize was first launched in 2014 by Sunny Varkey, founder and chairman of GEMS Education. Now in its fifth year, the Global Teacher Prize is the largest of its kind. The $1 million award is presented to an exceptional teacher who has made an outstanding contribution to their profession.24. What do we know about Peter Tabichi?A. He enjoys a high enough income to help the poor.B. He makes a difference to many of his students’ life.C. He does online teaching in Internet cafes sometimes.D. He helps take care of parentless students’ daily life.25. What do we know about Peter Tabichi’s students?A. They solved the problem of electricity supply in Pwani.B. They are trained to compete for various academic awards.C. They show great potential with the help of Peter Tabichi.D. They persuade their friends to go to school together.26. What does the author intend to do in the last paragraph?A. Summarize the previous paragraphs.B. Provide some advice for the readers.C. Add some background information.D. Introduce a new topic for discussion.27. What can be a suitable title for the text?A. A Rural Kenyan Teacher Guides Students in CompetitionsB. A Rural Kenyan Teacher Changes Students’ Life PathC. A Rural Kenyan Teacher Donates Money to the PoorD. A Rural Kenyan Teacher Is Awarded a $1 Million Prize【答案】24. B 25. C 26. C 27. DCIn spring, chickens start laying eggs again, bringing a welcome source of protein at winter’s end. So it’s no surprise that cultures around the world celebrate spring by honoring the egg.Some traditions are simple, like the red eggs that get baked into Greek Easter breads. Others upgrade the egg into a fancy art, like the heavily jewel-covered “eggs” that were favored by the Russians starting in the 19th century.One ancient form of egg art is egg painting, which comes to us from Ukraine. For centuries, Ukrainians have been drawing complicated patterns on eggs. Contemporary artists have followed this tradition and adapted the traditional methods to create eggs that speak to the anxieties of our age: Life is precious, and delicate. Eggs are, too.“There’s something about their delicate nature that crazily appeals to me,” says New Yorker cartoonist Roz Chast. Several years ago, she became interested in egg painting and learned the traditional Ukrainian technique to draw her very modern characters. “I’ve broken eggs at every stage of the process — from the very beginning to the very, very end.”But there’s an appeal in that vulnerability. “There’s part of this sickening horror that I kind of like, the horror of knowing you’re walking on the edge with this, knowing that it could all fall apart at any second.” Chast’s designs, such as a worried man alone in a tiny boat, reflect that delicateness.Traditional Ukrainian decorated eggs also spoke to those fears. The complex and detailed patterns were believed to offer protection against evil.Egg painting art, dating back to 300 B.C., was later absorbed into the Christian church. The old symbols, however, still survive. A decorated egg with a bird on it, given to a young married couple, is a wish for children. A decorated egg thrown into the field would be a wish for a good harvest.28. What do we learn about the decorated “eggs” in Russia?A. They are shaped like jewel cases.B. They are heavily painted in red.C. They are favored as a form of art.D. They are valued by the rich.29. Why have contemporary artists continued the tradition of egg painting?A. Because eggs serve as a symbol of the coming of spring.B. Because eggs provide a source of protein in winter’s end.C. Because eggs provide a unique surface to paint on.D. Because eggs reflect the anxieties of people today.30. Which of the following best explains “vulnerability” underlined in paragraph 5?A. Delicateness.B. Technique.C. Fear.D. Anxiety.31. What is the main idea of the text?A. Egg painting art preserves traditional and popular symbols.B. Different cultures have different ways of honoring the egg.C. Ukrainian egg painting art appeals to contemporary artists.D. Egg painting art continues and develops in pace with time.【答案】28. C 29. D 30. A 31. DDImagine you enter a car with no steering wheel, no brake or accelerator pedals ( 踏板 ). Under a voice-activated command, you say an address. “The fastest route will take us 15.3 minutes. Should I take it?” You say “yes” and you are on your way. The car responds and starts moving all by itself. All you have to do is to sit back and relax.How strange would it be if, one day in the future, everyone had such a car? No crazy driving, no quarrels, no cutting in; traffic laws would be respected and driving much safer. On the other hand, imagine the cost savings for local police enforcement (强制执行) and town budgets without all those speeding and parking tickets.A new technology has the potential to change modern society thoroughly. There’s no question that self-driving vehicles could be an enormous benefit. The potential for safer cars means accident statistics would drop: some 94% of road accidents in the U.S. involve human error. Older drivers and visually- or physically-disabled people would gain a new level of freedom. Maintaining safe speeds and being electric, self-driving cars would sharply reduce pollution levels and dependency on non-renewable fuels. Roads would be quieter, people safer.But we must also consider the impact of the new technology on those who now depend on driving for their living. According to the U.S. Department of Labor, in May 2015 there were 505,560 registered school bus drivers. The American Trucking Association lists approximately 3.5 millionprofessional truck drivers in the U.S. The companies developing self-driving vehicles should be partnering with state and federal authorities to offer retraining for this massive workforce, many of whom will be displaced by the new technology.New technologies will, and should, be developed. This is how society moves forward. However, progress can’t be one-sided. It is necessary for the companies and state agencies involved to consider the moral consequences of these potential changes to build a better future for all.32. What would be the effect of the wide use of driverless cars?A. More policemen would inspect the streets.B. People would never feel angry about the traffic.C. It would save local governments a lot of money.D. Traffic regulations would be a thing of the past.33. How would the elderly and the disabled benefit from driverless cars?A. They would get rid of air pollution.B. They could enjoy greater mobility.C. They would suffer no road accidents.D. They could go anywhere they want.34. What would be the negative effect of driverless cars?A. The conflict between labor and management would sharpen.B. Many drivers would have to find new ways of earning a living.C. Drivers would have a hard time adapting to new road conditions.D. The gap between various departments of society would be widened.35. What does the author suggest businesses and the government do?A. Enable everyone to benefit from new technologies.B. Keep pace with technological developments.C. Make new technologies affordable to everyone.D. Popularize the use of new technologies and devices.【答案】32. C 33. B 34. B 35. A第二节(共 5 小题;每小题 2 分,满分 10 分)根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。

湖北省鄂东南省级示范高中2019一模理数试题

鄂东南省级示范高中教育教学改革联盟学校2019 届第一次模拟考试高三数学(理科)试卷命题学校:黄冈中学命题教师:夏泊凌审题教师:武娟蔡盛周建义考试时间:2019 年05 月10 日下午15:00—17:00 试卷满分:150 分一、选择题:本题共12 小题,每小题5 分,共60 分.在每小题给出的四个选项中,只有一项是符合题目要求的.1.若复数풛满足(3−4i)푧=5( −i),其中i 为虚数单位,则풛的虚部为()A.ퟏB.−ퟏퟏC.ퟏퟏD.−ퟏ2.已知集合퐴={푥|2푥> +,퐵=*푥|푥2−4푥−5≤0},则푩∩퐂퐑푨=()A.*풙|−ퟏ≤풙≤ퟏ+B.*풙|−ퟏ<풙≤ퟏ+C.*풙|−ퟏ<풙≤ퟏ+D.*풙|ퟏ≤풙≤ퟏ+3.如图为某市国庆节7 天假期的商品房日认购量(单位:套)与日成交量(单位:套)的折线图,则下面结论中正确的是()A.日成交量的中位数是16B.日成交量超过日平均成交量的有1 天C.日认购量与日期是正相关关系D.日认购量的方差大于日成交量的方差4.某公司的班车分别在7:15,7:45,8:15 发车,某人在7:40 至8:20 之间到达发车站乘坐班车,且到达发车站的时刻是随机的,则他等车时间不超过10 分钟的概率是()ퟏퟏA.ퟏퟏB.ퟏퟏC.ퟏퟏD.5.已知函数풇(풙)=(풙−ퟏ)(풂풙+풃)为偶函数,且在(ퟏ,+∞)上单调递减,则풇(ퟏ−풙)>ퟏ的解集为()A.(−ퟏ,ퟏ)B.(−∞,−ퟏ)∪(ퟏ,+∞)C.(−ퟏ,ퟏ)D.(−∞,−ퟏ)∪(ퟏ,+∞)6.我国古代的劳动人民曾创造了灿烂的中华文明,戍边的官兵通过在烽火台上举火向国内报告,烽火台上点火表示数字1,不点火表示数字0,这蕴含了进位制的思想. 如图所示的程序框图的算法思路就源于我国古代戍边官兵的“烽火传信”.执行该程序框图,若输入풂=ퟏퟏퟏퟏퟏퟏ,풌=ퟏ,풏=ퟏ,则输出풃的值为()A.21 B.ퟏ3C.51 D.ퟏ3鄂东南省级示范高中教育教学改革联盟学校2019届第一次模拟考试高三数学(理科)试卷(共4页)第1页东풙 ≥ ퟏ},给出下列两个命题:7.设휴 = {(풙, 풚) |{풙 + 풚 ≤ ퟏ ퟏ풙 − 풚 ≤ ퟏ풚−ퟏ풙 풑:∃(풙, 풚) ∈ 휴,< −ퟏ;풒:∀(풙, 풚) ∈ 휴,ퟏ풙 + 풚 ≤ퟏ,则下面命题中真命题是()A .풑 ∧ 풒B .≦풑 ∧ 풒C .풑 ∨ ≦풒D .≦풒8.已知函数풇(풙) = 푨퐬퐢퐧(흎풙 + )(푨 > ퟏ, 흎 > ퟏ, | | < 흅ퟏ)的最大值为ퟏ,其图象 相邻两条对称轴之间흅흅的距离为 且풇(풙)的图象关于点(− , ퟏ)对称,则下列判断不正确的是()ퟏ ퟏ흅 A .要得到函数풇(풙)的图象,只需将풚 = ퟏ퐜퐨퐬ퟏ풙的图象向右平移 个单位ퟏퟏB .函数풇(풙)的图象关于直线풙 = ퟏ흅对称 ퟏퟏ흅 C .当풙 ∈ ,− ퟏퟏ 흅ퟏ ,-时,函数풇(풙)的最小值为√ퟏ흅 ퟏ D .函数풇(풙)在, ,ퟏ흅ퟏퟏ-上单调递减9.湖北省按气象地理区划分为鄂西北、鄂东北、鄂西南、江汉平原、鄂东南 5 部分(如图所示).现在提供 5 种颜色给图中 5 个区域 涂色,规定每个区域只涂一种颜色,相邻区域颜色不同,则不同 的涂色方案有( )种 A .ퟏ60B .ퟏ20C .480D .ퟏ4010.已知푭ퟏ,푭ퟏ分别为双曲线푪:풙ퟏ 풂ퟏ − 풚ퟏ 풃ퟏ= ퟏ(풂 > ퟏ, 풃 > ퟏ)的左右焦点 ,过点푭ퟏ的直线풍与双曲线푪的左右两支分别交于푨, 푩两点,若푨푩 ⊥ 푩푭ퟏ,퐜퐨퐬∠푭ퟏ푨푭ퟏ = − ퟏ ퟏ,则双曲线的离心率为( )A .ퟏB .√ퟏC .√ퟏퟏD .√ퟏퟏ11.如图所示为某三棱锥的三视图,若该三棱锥的ퟏ体积为 ,则它的外接球表面积为()ퟏ A .√ퟏ흅 B .6흅 C .12흅D .ퟏퟏ흅12.已知풂 ≠ ퟏ,函数풇(풙) = 풂풆풙,품(풙) = 풆풂퐥퐧풙 + 풃,e 为自然풃对数的底数.若存在一条直线与曲线풚=풇(풙)和풚=품(풙)均相切,则的取值范围为()풂A.(−∞,풆- B.(ퟏ,풆-C.(−∞,ퟏ-D.(ퟏ,ퟏ-鄂东南省级示范高中教育教学改革联盟学校2019届第一次模拟考试高三数学(理科)试卷(共4页)第2页。

【优质】湖北省鄂东南省级示范高中2019一模理综答案


(3)基态氮原子电子占据的最高能级为半充满,较稳定(2 分)
(4)sp2、sp3(2 分) Π65(2 分)
(5)原子(1 分)
4(1 分)
4π(7x53×+1y30)3d0NA×100%(2 分)
36.(15 分)
(1)苯乙酸乙酯(2 分) 取代反应(1 分)
(2)羰基(或酮基)(1 分)
(3)
(2 分)
(2)香蕉的呼吸跃变(呼吸峰)早于苹果(1 分,意思相同即可,比如
“香蕉的呼吸跃变比苹果的来得快”等等。若回答“香蕉的呼吸速率或呼吸峰高于苹果”等,则不
得分),低温、低氧能降低(果实细胞的)呼吸速率(1 分),(可以)延迟呼吸跃变(呼吸峰)出现
(1 分,同上,意同即可,但 “降低呼吸峰”、“降低呼吸作用强度”等答案不得分) (3)增

(2)MnO2+4H++2Cl- Mn2++Cl2↑+2H2O(2 分)
(3)饱和食盐水、浓硫酸(2 分) (4)冷凝管(2 分) (5)有固体产生(或其他正确描述)(2 分) (6)SCl2、Cl2、S(任写其中两种即可,2 分)
滴加浓盐酸的速度不要过快(2 分) 27.(14 分)
(1)2H+ + H2O2 + Cu = Cu2+ + 2H2O(2 分) 温度过高时,H2O2 受热分解(1 分)
性状的改变,意同即可)
(2)植物组织培养 植物细胞的全能性
(3)运载体(或:载体;或:质粒)
来源不
同的 DNA 都是由四种脱氧核苷酸(1 分)形成的规则(1 分)的双螺旋结构(1 分)
鄂东南省级示范高中教育教学改革联盟学校 2019 届第一次模拟考试 高三综合(理科)答案(共 6 页)第 5页
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