河南省南阳市2017-2018学年高二下学期期末考试英语试题(解析版)

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recommend和comfort-学易试题君之每日一题君2018学年下学期高二英语人教版(课堂同步系列一)

recommend和comfort-学易试题君之每日一题君2018学年下学期高二英语人教版(课堂同步系列一)

1 高考频度:★★★☆☆ 难易程度:★★☆☆☆
1. I recommend the government Real Cine for urban planning since it is cheaper and practical, the way most urban planning is done today.
A. uses; compared to
B. use; compared with
C. use; comparing to
D. uses; comparing with
【参考答案】
B
【知识拓展】
recommend vt. 推荐;建议
recommend... to sb =recommend sb...向某人推荐……
recommend sb for 推荐某人做(某职位)
recommend sb as 推荐某人为……
recommend sb to do sth 建议某人做某事
recommend doing sth 建议做某事
recommend +that 从句(从句中谓语动词用虚拟语气, 即should +do ,should 可以省略)建议…… ☞I recommend you to buy this dictionary and that tape.
我建议你买这本字典和那盒磁带。

☞I can recommend Miss Green as a good typist.
我可以推荐格林小组为一名优秀的打字员。

☞The doctor strongly recommended that he take a holiday. 医生竭力劝他休假。

2017-2018学年七年级上学期期末考试英语试卷(含答案)

2017-2018学年七年级上学期期末考试英语试卷(含答案)

2020级第一学期教学水平监测英语试题本试卷分第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分。

总分150分,考试时间120分钟。

第Ⅰ卷(选择题,满分100分)注意事项:1. 答第Ⅰ卷前,考生务必将自己的姓名、考号、考试科目用铅笔涂写在机读卡上;2. 1—70小题选出答案后,用2B铅笔把机读卡上对应的答案标号涂黑,如需改动,用橡皮擦干净后,再选涂其它答案,不能答在试卷上;3. 考试结束后,将第Ⅰ卷的机读卡和第Ⅱ卷的答题卡一并交回。

第一部分:听力(共两节,满分30分)做题时,先将答案标在试卷上。

录音内容结束后,你将有两分钟的时间将试卷上的答案转涂到答题卡上。

第一节(共5个小题;每小题1.5分,共7.5分)听下面5段对话。

每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。

听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。

每段对话读两遍。

1.Who’s the girl?A. Cindy.B. Jenny.C. Gina.2.What color is the hat?A. It’s blue.B. It’s red.C. It’s yellow.3.Where are the girl’s books?A. They are under the sofa.B. They are next to the sofa.C. They are on the sofa.4.What does the boy have?A. A soccer ball.B. A baseball.C. A volleyball.5.What does the girl like?A. Milk.B. Ice-cream.C. Hamburgers.第二节(共15小题;每小题l.5分,满分22.5分)听下面5段对话或独白。

每段对话或独白后有几个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。

江苏省南通市通州区2017-2018学年高二下学期期末学业质量监测文数试题(解析版)

江苏省南通市通州区2017-2018学年高二下学期期末学业质量监测文数试题(解析版)

1.27【解析】分析:根据分层抽样的概念得按比例抽样:.详解:因为分层抽样,所以三个年级一共抽取.点睛:在分层抽样的过程中,为了保证每个个体被抽到的可能性是相同的,这就要求各层所抽取的个体数与该层所包含的个体数之比等于样本容量与总体的个体数之比,即n i∶N i=n∶N.2.【解析】分析:先根据命题真假得恒成立,即得的最大值.详解:因为命题为假命题,所以恒成立,所以的最大值.点睛:根据命题与命题否定的真假性关系进行转化,即特称命题为假命题,则对应全称命题为真命题,再根据恒成立知识转化为对应函数最值问题.点睛:古典概型中基本事件数的探求方法(1)列举法.(2)树状图法:适合于较为复杂的问题中的基本事件的探求.对于基本事件有“有序”与“无序”区别的题目,常采用树状图法.(3)列表法:适用于多元素基本事件的求解问题,通过列表把复杂的题目简单化、抽象的题目具体化.(4)排列组合法:适用于限制条件较多且元素数目较多的题目.4.【解析】分析:先根据流程图确定分段函数解析式,再求输出值为2的对应区间,最后根据几何概型概率公式求结果.详解:因为,所以输出值为2的对应区间为[0,2],因此输出值为2的概率为点睛:(1)当试验的结果构成的区域为长度、面积、体积等时,应考虑使用几何概型求解.(2)利用几何概型求概率时,关键是试验的全部结果构成的区域和事件发生的区域的寻找,有时需要设出变量,在坐标系中表示所需要的区域.5.25【解析】分析:先求成绩在80分以上的概率,再根据频数等于总数与对应概率乘积求结果.详解:因为成绩在80分以下的概率为,所以成绩在80分以上的概率为,因此成绩在80分以上的人数为点睛:频率分布直方图中小长方形面积等于对应区间的概率,所有小长方形面积之和为1; 频率分布直方图中组中值与对应区间概率乘积的和为平均数; 频率分布直方图中小长方形面积之比等于对应概率之比,也等于对应频数之比.6.21【解析】分析:先根据伪代码执行循环,直到I<8不成立,结束循环输出S.详解:执行循环得结束循环,输出.点睛:算法与流程图的考查,侧重于对流程图循环结构的考查.先明晰算法及流程图的相关概念,包括选择结构、循环结构、伪代码,其次要重视循环起点条件、循环次数、循环终止条件,更要通过循环规律,明确流程图研究的数学问题,是求和还是求项.点睛:首先对于复数的四则运算,要切实掌握其运算技巧和常规思路,如. 其次要熟悉复数相关基本概念,如复数的实部为、虚部为、模为、对应点为、共轭为8.必要不充分【解析】分析:先根据直线相交得条件,再根据两个条件关系确定充要性.详解:因为与相交,所以所以“”是“与相交”的必要不充分条件.点睛:充分、必要条件的三种判断方法.1.定义法:直接判断“若则”、“若则”的真假.并注意和图示相结合,例如“⇒”为真,则是的充分条件.2.等价法:利用⇒与非⇒非,⇒与非⇒非,⇔与非⇔非的等价关系,对于条件或结论是否定式的命题,一般运用等价法.3.集合法:若⊆,则是的充分条件或是的必要条件;若=,则是的充要条件.9.【解析】分析:先根据图像平移得解析式,再根据图像性质求关系式,解得最小值.详解:因为函数的图象向左平移个单位得,所以因为,所以点睛:三角函数的图象变换,提倡“先平移,后伸缩”,但“先伸缩,后平移”也常出现在题目中,所以也必须熟练掌握.无论是哪种变形,切记每一个变换总是对字母而言.点睛:等积法的前提是几何图形(或几何体)的面积(或体积)通过已知条件可以得到,利用等积法可以用来求解几何图形的高或几何体的高或内切球的半径,特别是在求三角形的高和三棱锥的高时,这一方法回避了通过具体作图得到三角形(或三棱锥)的高,而通过直接计算得到高的数值.11.【解析】分析:先根据向量垂直得,再根据两角差正切公式求解.详解:因为,所以,因此点睛:向量平行:,向量垂直:,向量加减:12.【解析】分析:先根据对数函数以及二次函数作函数图像,再根据函数图像确定满足条件时实数的取值范围.详解:如图函数图像,所以.点睛:涉及函数的零点问题、方程解的个数问题、函数图像交点个数问题,一般先通过导数研究函数的单调性、最大值、最小值、变化趋势等,再借助函数的大致图象判断零点、方程根、交点的情况,归根到底还是研究函数的性质,如单调性、极值,然后通过数形结合的思想找到解题的思路.13.2【解析】分析:先表示函数,再利用导数求函数最小值,最后根据的最小值为-1得实数的值.详解:因为,设,则所以因为,所以当时,;当时,;即当时,. 点睛:两函数关系问题,首先要构造函数,利用导数研究函数的单调性,求出最值,进而得出相应的含参不等式或方程,从而求出参数的取值范围或值.点睛:涉及圆中弦长问题,一般利用垂径定理进行解决,具体就是利用半径的平方等于圆心到直线距离平方与弦长一半平方的和;直线与圆位置关系,一般利用圆心到直线距离与半径大小关系进行判断.15.(1)见解析(2)见解析【解析】分析:(1)先设的中点为,利用平几知识证得四边形为平行四边形,所以,再根据线面平行判定定理得结论,(2)根据等腰三角形性质得,再根据面面垂直性质定理得面,最后根据面面垂直判定定理得结论.学科&网详解:解:(1)如图1,设的中点为,连结,.在中,因为为的中点,所以,且,在三棱柱中,因为,且,为的中点,所以,且,所以,且,所以四边形为平行四边形,所以又平面,平面,所以平面.(法二)如图2,在侧面中,连结并延长交直线于点,连结.在三棱柱中,所以,因为为的中点,所以为中点.又因为为中点,所以,又面,面所以平面(2)因为,为的中点,所以,因为面面,面面,面,所以面,又面,所以面面点睛:垂直、平行关系证明中应用转化与化归思想的常见类型.(1)证明线面、面面平行,需转化为证明线线平行.(2)证明线面垂直,需转化为证明线线垂直.(3)证明线线垂直,需转化为证明线面垂直.16.(1)(2)【解析】分析:(1)根据配角公式得,解得A,(2)先根据平方关系得,根据两角和正弦公式求,再根据正弦定理求边的长.(2)因为,所以所以在中,所以,得点睛:解三角形问题,多为边和角的求值问题,这就需要根据正、余弦定理结合已知条件灵活转化边和角之间的关系,从而达到解决问题的目的.其基本步骤是:第一步:定条件,即确定三角形中的已知和所求,在图形中标出来,然后确定转化的方向.第二步:定工具,即根据条件和所求合理选择转化的工具,实施边角之间的互化.第三步:求结果.17.(1)(2).【解析】分析:(1)先根据是的中点时,解得,再根据向量数量积定义求的值;(2)①根据解得,再根据分解唯一性得,的值; ②由得,再根据向量夹角公式得结果.(2)① 因为所以所以又,且与不共线所以,② 因为所以即因为,所以所以因此.点睛:平面向量与几何综合问题的求解方法(1)坐标法:把几何图形放在适当的坐标系中,则有关点与向量就可以用坐标表示,这样就能进行相应的代数运算和向量运算,从而使问题得到解决.(2)基向量法:适当选取一组基底,沟通向量之间的联系,利用向量间的关系构造关于未知量的方程来进行求解.18.(1)(2)开发区域的面积为详解:解:(方法一)(1)如图,过分别作、的垂线,垂足分别为、,因为小城位于小城的东北方向,且,所以,在和中,易得,,所以当时,,单调递减当时,,单调递增所以时,取得最小值.此时,,的面积答:开发区域的面积为(方法二)(2)令,则因为,所以,所以由,得记因为在上单调递减,所以当时最小此时,即,所以的面积答:开发区域的面积为点睛:三角恒等变换的综合应用主要是将三角变换与三角函数的性质相结合,通过变换把函数化为的形式再借助三角函数图象研究性质,解题时注意观察角、函数名、结构等特征.19.(1)(2)①②【解析】分析:(1)先求当直线轴时,,再根据条件得,最后由解得离心率,(2)设直线为,,,,联立直线方程与椭圆方程,利用韦达定理化简,即得,令,利用基本不等式求最值,最后考虑特殊情形下三角形面积的值.(2)① 因为,所以,椭圆方程为当点与点重合时,点坐标为又,所以此时直线为由得又,所以所以椭圆方程为所以令,则且,易知函数在上单调递增所以当时,即的面积的最大值为点睛:解析几何中的最值是高考的热点,在圆锥曲线的综合问题中经常出现,求解此类问题的一般思路为在深刻认识运动变化的过程之中,抓住函数关系,将目标量表示为一个(或者多个)变量的函数,然后借助于函数最值的探求来使问题得以解决.20.(1)(2)(3)【解析】分析:(1)先求导数,再求导函数的导数为,求零点,列表分析导函数单调性变化规律,进而确定导函数最小值取法,(2)先变量分离化简不等式,再利用导数研究单调性,根据单调性确定其最小值,即得实数的取值范围,进而得其最大值;(3)函数存在极大值与极小值,即存在两个零点,且在零点的两侧异号.先确定导函数不单调且最小值小于零,即得,再证明时有且仅有两个零点.所以当时,所以(2)由得,即因为,所以.记,则记,则因为,所以且不恒为0所以时,单调递增,当时,,所以所以在上单调递增,因为对恒成立,所以,即所以实数的最大值为②当时,由,得当时,,单调递减,当时,,单调递增,所以所以存在两个零点的必要条件为:,即由时,(ⅰ)记,则所以当时,单调递减,当时,,所以.所以在上,有且只有一个零点.又在上单调,所以在上有且只有一个零点,记为,由在内单调递减,易得当时,函数存在极大值(ⅱ)记,则所以时,,所以由在内单调递增,易得当时,函数存在极小值综上,实数的取值范围为.点睛:导数极值点的讨论层次:一是有无,即没有零点,就没有极值点(导数存在情形下);二是在与不在,不在定义区间的零点也不是极值点;三是是否变号,导函数不变号的零点也不是极值点.。

河南省南阳市第一中学2017-2018学年高一上学期第二次月考英语试题含答案

河南省南阳市第一中学2017-2018学年高一上学期第二次月考英语试题含答案

第一部分:听力(共两节。

满分20分)第一节(共5小题;每小题1分,满分5分)听下面5段对话.每段对话后有一个小题,从题中所给的A、B、C 三个选项中选出最佳选项,并标在试卷的相应位置.听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。

每段对话仅读一遍。

1。

When is the English exam according to the man?A。

October 7. B. October 17. C. October 27。

2。

Where will the man hold his birthday party?A。

At home。

B. In a restaurant。

C。

In his school.3. Where does the man want to go?A。

To a bank。

B。

To South Street。

C。

To a bookshop。

4. What did the man do on Saturday?A. Do housework.B. Visit friends. C。

Prepare lunch。

5。

How much does one ticket cost?A. $ 3。

B。

$ 9. C. $27。

第二节(共15小题;每小题1分,满分15分)听下面5段对话或独白。

每段对话或独白后有几个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。

听每段对话或独白前,你将有时间阅读各个小题,每小题5秒钟;听完后,各小题将给出5秒钟的作答时间。

每段对话或独白读两遍。

听第6段对话,回答第6至7题6。

What is the woman going to do next year?A. Go to university。

B. Go to work C。

Go to travel.7。

What does the man want to drink?A。

2017-2018学年高一下学期期末考试数学试题(A卷)

2017-2018学年高一下学期期末考试数学试题(A卷)

第Ⅰ卷(共60分)一、选择题:本大题共12个小题,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. 以下程序中,输出时的值是输入时的值的()A. 1倍B. 2倍C. 3倍D. 4倍【答案】D【解析】令初始值A=a,则A=2(a+a)=4a.故选D.2. 已知数列是等比数列,,且,,成等差数列,则()A. 7B. 12C. 14D. 64【答案】C【解析】分析:先根据条件解出公比,再根据等比数列通项公式求结果.详解:因为,,成等差数列,所以所以,选C.点睛:本题考查等比数列与等差数列基本量,考查基本求解能力.3. 将1000名学生的编号如下:0001,0002,0003,…,1000,若从中抽取50个学生,用系统抽样的方法从第一部分0001,0002,…,0020中抽取的号码为0015时,抽取的第40个号码为()A. 0795B. 0780C. 0810D. 0815【答案】A【解析】分析:先确定间距,再根据等差数列通项公式求结果.详解:因为系统抽样的方法抽签,所以间距为所以抽取的第40个数为选A.点睛:本题考查系统抽样概念,考查基本求解能力.4. 已知动点满足,则的最大值是()A. 50B. 60C. 70D. 90【答案】D【解析】分析:先作可行域,根据图像确定目标函数所代表直线取最大值时得最优解.详解:作可行域,根据图像知直线过点A(10,20)时取最大值90,选D,点睛:线性规划的实质是把代数问题几何化,即数形结合的思想.需要注意的是:一,准确无误地作出可行域;二,画目标函数所对应的直线时,要注意与约束条件中的直线的斜率进行比较,避免出错;三,一般情况下,目标函数的最大或最小值会在可行域的端点或边界上取得.5. 若干个人站成一排,其中为互斥事件的是()A. “甲站排头”与“乙站排头”B. “甲站排头”与“乙不站排头”C. “甲站排头”与“乙站排尾”D. “甲不站排头”与“乙不站排尾”【答案】A【解析】试题分析:事件A与事件B互斥,其含义是:事件A与事件B在任何一次试验中不会同时发生。

【市级检测】2017-2018学年河南省南阳市高三(上)期末数学试卷(理科)

【市级检测】2017-2018学年河南省南阳市高三(上)期末数学试卷(理科)

2017-2018学年河南省南阳市高三(上)期末数学试卷(理科)一、选择题:本大题共12小题,每小题5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.已知:如图,集合U为全集,则图中阴影部分表示的集合是()A.∁U(A∩B)∩C B.∁U(B∩C)∩A C.A∩∁U(B∪C)D.∁U(A∪B)∩C 2.已知1+i是关于x的方程ax2+bx+2=0(a,b∈R)的一个根,则a+b=()A.﹣1 B.1 C.﹣3 D.33.已知双曲线C的一条渐近线的方程是:y=2x,且该双曲线C经过点,则双曲线C的方程是()A.B.C.D.4.已知:f(x)=asinx+bcosx,,若函数f(x)和g(x)有完全相同的对称轴,则不等式g(x)>2的解集是()A.B.C.D.5.已知各项均为正数的等比数列{a n},a3•a5=2,若f(x)=x(x﹣a1)(x﹣a2)…(x﹣a7),则f'(0)=()A.B.C.128 D.﹣1286.已知:,则目标函数z=2x﹣3y()A.z max=﹣7,z min=﹣9 B.,z min=﹣7C.z max=﹣7,z无最小值D.,z无最小值7.设f(x)=e1+sinx+e1﹣sinx,x1、,且f(x1)>f(x2),则下列结论必成立的是()A.x1>x2B.x1+x2>0 C.x1<x2D.>8.如图,网格纸上小正方形的边长为1,粗实线画出的是某多面体的三视图,则该多面体的外接球的表面积S=()A.10πB.C.D.12π9.执行如图的程序框图,若输出S的值是2,则a的值可以为()A.2014 B.2015 C.2016 D.201710.我们把顶角为36°的等腰三角形称为黄金三角形.其作法如下:①作一个正方形ABCD;②以AD的中点E为圆心,以EC长为半径作圆,交AD延长线于F;③以D为圆心,以DF长为半径作⊙D;④以A为圆心,以AD长为半径作⊙A交⊙D于G,则△ADG为黄金三角形.根据上述作法,可以求出cos36°=()A.B.C.D.11.已知抛物线E:y2=2px(p>0),过其焦点F的直线l交抛物线E于A、B=﹣tan∠AOB,则p的值是()两点(点A在第一象限),若S△OABA.2 B.3 C.4 D.512.已知:m>0,若方程有唯一的实数解,则m=()A.B.C.D.1二、填空题:13. 1.028≈(小数点后保留三位小数).14.已知向量=(1,2),=(﹣2,﹣4),||=,若(+)=,则与的夹角为.15.已知:,则cos2α+cos2β的取值范围是.16.在四边形ABCD中,∠ABC=90°,,△ACD为等边三角形,则△ABC的外接圆与△ACD的内切圆的公共弦长=.三、解答题:17.(12.00分)已知数列{a n}的前n项和为S n,且满足a n=2S n+1(n∈N*).(1)求数列{a n}的通项公式;(2)若b n=(2n﹣1)•a n,求数列{b n}的前n项和T n.18.(12.00分)如图1,在平行四边形ABB1A1中,∠ABB1=60°,AB=4,AA1=2,C、C1分别为AB、A1B1的中点,现把平行四边形ABB1A11沿CC1折起如图2所示,连接B1C、B1A、B1A1.(1)求证:AB1⊥CC1;(2)若,求二面角C﹣AB 1﹣A1的正弦值.19.(12.00分)为评估设备M生产某种零件的性能,从设备M生产零件的流水线上随机抽取100件零件最为样本,测量其直径后,整理得到下表:经计算,样本的平均值μ=65,标准差=2.2,以频率值作为概率的估计值.(1)为评判一台设备的性能,从该设备加工的零件中任意抽取一件,记其直径为X,并根据以下不等式进行评判(p表示相应事件的频率):①p(μ﹣σ<X≤μ+σ)≥0.6826.②P(μ﹣σ<X≤μ+2σ)≥0.9544③P(μ﹣3σ<X≤μ+3σ)≥0.9974.评判规则为:若同时满足上述三个不等式,则设备等级为甲;仅满足其中两个,则等级为乙,若仅满足其中一个,则等级为丙;若全部不满足,则等级为丁.试判断设备M的性能等级.(2)将直径小于等于μ﹣2σ或直径大于μ+2σ的零件认为是次品(i)从设备M的生产流水线上随意抽取2件零件,计算其中次品个数Y的数学期望E(Y);(ii)从样本中随意抽取2件零件,计算其中次品个数Z的数学期望E(Z).20.(12.00分)平面直角坐标系xOy中,已知椭圆的左焦点为F,离心率为,过点F且垂直于长轴的弦长为.(I)求椭圆C的标准方程;(Ⅱ)设点A,B分别是椭圆的左、右顶点,若过点P(﹣2,0)的直线与椭圆相交于不同两点M,N.(i)求证:∠AFM=∠BFN;(ii)求△MNF面积的最大值.21.(12.00分)已知函数,且函数f(x)的图象在点(1,﹣e)处的切线与直线x+(2e+1)y﹣1=0垂直.(1)求a,b;(2)求证:当x∈(0,1)时,f(x)<﹣2.[选修4-4:极坐标与参数方程选讲](本小题满分10分)22.(10.00分)在直角坐标系xOy中,直线l的参数方程为(t为参数),在极坐标系(与直角坐标系xOy取相同的长度单位),且以原点O为极点,以x轴非负半轴为极轴)中,圆C的方程为ρ=6sinθ.(1)求圆C的直角坐标方程;(2)若点P(1,2),设圆C与直线l交于点A,B,求|PA|+|PB|的最小值.[选修4-5:不等式选讲](本小题满分0分)23.已知a>0,b>0,函数f(x)=|x﹣a|+|x+b|的最小值为2.(1)求a+b的值;(2)证明:a2+a>2与b2+b>2不可能同时成立.2017-2018学年河南省南阳市高三(上)期末数学试卷(理科)参考答案与试题解析一、选择题:本大题共12小题,每小题5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.已知:如图,集合U为全集,则图中阴影部分表示的集合是()A.∁U(A∩B)∩C B.∁U(B∩C)∩A C.A∩∁U(B∪C)D.∁U(A∪B)∩C 【分析】阴影部分所表示的为在集合B中但不在集合A中的元素构成的部分,即在B中且在A的补集中.【解答】解:阴影部分所表示的为在集合A中但不在集合B,C中的元素构成的,故阴影部分所表示的集合可表示为A∩∁U(B∪C),故选:C.【点评】本题考查利用集合运算表示韦恩图中的集合、考查韦恩图是研究集合关系的常用工具.2.已知1+i是关于x的方程ax2+bx+2=0(a,b∈R)的一个根,则a+b=()A.﹣1 B.1 C.﹣3 D.3【分析】利用实系数方程的虚根成对定理,列出方程组,求出a,b即可.【解答】解:1+i是关于x的方程ax2+bx+2=0(a,b∈R)的一个根,一元二次方程虚根成对(互为共轭复数)..得:a=1,b=﹣2,a+b=﹣1.故选:A.【点评】本题考查实系数方程成对定理的应用,考查计算能力.3.已知双曲线C的一条渐近线的方程是:y=2x,且该双曲线C经过点,则双曲线C的方程是()A.B.C.D.【分析】设出双曲线方程代入点的坐标,然后求解双曲线方程即可.【解答】解:由题可设双曲线的方程为:y2﹣4x2=λ,将点代入,可得λ=﹣4,整理即可得双曲线的方程为.故选:D.【点评】本题考查双曲线的简单性质的应用以及双曲线方程的求法,考查计算能力.4.已知:f(x)=asinx+bcosx,,若函数f(x)和g(x)有完全相同的对称轴,则不等式g(x)>2的解集是()A.B.C.D.【分析】若函数f(x)和g(x)有完全相同的对称轴,则这两个函数的周期是一样的,即ω=1.通过解不等式g(x)>2求得x的取值范围.【解答】解:由题意知,函数f(x)和g(x)的周期是一样的,故ω=1,不等式g(x)>2,即,解之得:.故选:B.【点评】考查了正弦函数的对称性.根据函数的对称性求、求出ω是解决本题的关键.5.已知各项均为正数的等比数列{a n},a3•a5=2,若f(x)=x(x﹣a1)(x﹣a2)…(x﹣a7),则f'(0)=()A.B.C.128 D.﹣128【分析】令f(x)=x•g(x),其中g(x)=(x﹣a1)(x﹣a2)…(x﹣a7),利用函数的导数求解即可.【解答】解:令f(x)=x•g(x),其中g(x)=(x﹣a1)(x﹣a2)…(x﹣a7),则f'(x)=g(x)+x•g'(x),故,各项均为正数的等比数列{a n},a3•a5=2,,故.故选:B.【点评】本题考查函数的导数的应用,数列的简单性质的应用,考查转化思想以及计算能力.6.已知:,则目标函数z=2x﹣3y()A.z max=﹣7,z min=﹣9 B.,z min=﹣7C.z max=﹣7,z无最小值D.,z无最小值【分析】画出可行域,利用目标函数的几何意义,求解函数的最值即可.【解答】解:画出的可行域,如图:A(0,3),,C(4,5),目标函数z=2x﹣3y经过C时,目标函数取得最大值,z max=﹣7,没有最小值.故选:C.【点评】本题考查线性规划的简单应用,目标函数的最值考查数形结合的应用,是基础题.7.设f(x)=e1+sinx+e1﹣sinx,x1、,且f(x1)>f(x2),则下列结论必成立的是()A.x1>x2B.x1+x2>0 C.x1<x2D.>【分析】根据条件判断函数是偶函数,结合条件判断函数的单调性,进行判断即可.【解答】解:f(x)=f(﹣x),故f(x)是偶函数,而当时,f'(x)=cosx•e1+sinx﹣cosx•e1﹣sinx=cosx•(e1+sinx﹣e1﹣sinx)>0,即f(x)在是单调增加的.由f(x1)>f(x2),可得f(|x1|)>f(|x2|),即有|x1|>|x2|,即,故选:D.【点评】本题主要考查函数单调性的应用,根据条件判断函数的奇偶性和单调性是解决本题的关键.8.如图,网格纸上小正方形的边长为1,粗实线画出的是某多面体的三视图,则该多面体的外接球的表面积S=()A.10πB.C.D.12π【分析】判断三视图复原的几何体的形状,通过已知的三视图的数据,求出该多面体的外接球的表面积.【解答】解析:该多面体如图示,外接球的半径为AG,HA为△ABC外接圆的半径,HG=1,,故,∴该多面体的外接球的表面积.故选:B.【点评】本题考查多面体的外接球的表面积的求法,考查空间几何体三视图、多面体的外接球等基础知识,考查空间想象能力、运算求解能力,考查函数与方程思想,是中档题.9.执行如图的程序框图,若输出S的值是2,则a的值可以为()A.2014 B.2015 C.2016 D.2017【分析】根据题意,模拟程序框图的运行过程,根据输出的S值即可得出该程序中a的值.【解答】解:模拟程序的运行,可得:S=2,k=0;满足条件k<a,执行循环体,可得:S=﹣1,k=1;满足条件k<a,执行循环体,可得:,k=2;满足条件k<a,执行循环体,可得:S=2,k=3;…,∴S的值是以3为周期的函数,当k的值能被3整除时,不满足条件,输出S的值是2,a的值可以是2016.故选:C.【点评】本题考查了程序框图的应用问题,解题时应模拟程序框图的运行过程,从而得出正确的结论,是基础题.10.我们把顶角为36°的等腰三角形称为黄金三角形.其作法如下:①作一个正方形ABCD;②以AD的中点E为圆心,以EC长为半径作圆,交AD延长线于F;③以D为圆心,以DF长为半径作⊙D;④以A为圆心,以AD长为半径作⊙A交⊙D于G,则△ADG为黄金三角形.根据上述作法,可以求出cos36°=()A.B.C.D.【分析】根据做法,图形如图所示,△ADG即为黄金三角形,不妨假设AD=AG=2,则,由余弦定理即可求出【解答】解:根据做法,图形如图所示,△ADG即为黄金三角形,不妨假设AD=AG=2,则,由余弦定理可得cos36°==故选:B.【点评】本题考查了黄金三角形的定义作法和余弦定理,属于中档题11.已知抛物线E:y2=2px(p>0),过其焦点F的直线l交抛物线E于A、B=﹣tan∠AOB,则p的值是()两点(点A在第一象限),若S△OABA.2 B.3 C.4 D.5【分析】利用三角形的面积推出,设A(x1,y1),B(x2,y2),则x1x2+y1y2=﹣3,通过,代入求解即可.【解答】解:,即,不妨设A(x1,y1),B(x2,y2),则x1x2+y1y2=﹣3,即有,又因为,故:p=2.故选:A.【点评】本题考查抛物线的简单性质的应用,直线与抛物线的位置关系的应用,是中档题.12.已知:m>0,若方程有唯一的实数解,则m=()A.B.C.D.1【分析】方法一:验证,当时,f(x)=lnx与g(x)=x2﹣x在点(1,0)处有共同的切线,即可;方法二:将方程整理得,设,则由题意,直线是函数f(x)的一条切线,不妨设切点为(x0,y0),列出方程组求解即可.【解答】解:方法一:验证,当时,f(x)=lnx与g(x)=x2﹣x在点(1,0)处有共同的切线y=x﹣1.方法二:将方程整理得,设,则由题意,直线是函数f(x)的一条切线,不妨设切点为(x0,y0),则有:,解之得:x0=1,y0=1,.故选:B.【点评】本题考查函数与方程的应用,求出方程的平方,直线与抛物线的位置关系的应用.二、填空题:13. 1.028≈ 1.172(小数点后保留三位小数).【分析】根据1.028=(1+0.02)8,利用二项式定理展开,可得它的近似值.【解答】解:1.028=(1+0.02)8=+++×0.023+…+≈=+++×0.023=1+8×0.02+28×0.0004+56×0.000008=1.172,故答案为:1.172【点评】本题主要考查二项式定理的应用,属于基础题.14.已知向量=(1,2),=(﹣2,﹣4),||=,若(+)=,则与的夹角为.【分析】设=(x,y),根据题中的条件求出x+2y=﹣,即=﹣,再利用两个向量的夹角公式求出cosθ的值,由此求得θ的值.【解答】解:设=(x,y),由向量=(1,2),=(﹣2,﹣4),||=,且(+)=,可得﹣x﹣2y=,即有x+2y=﹣,即=﹣,设与的夹角为等于θ,则cosθ===﹣.再由0≤θ≤π,可得θ=,故答案为:.【点评】本题主要考查两个向量的夹角公式的应用,求出=﹣是解题的关键,属于中档题15.已知:,则cos2α+cos2β的取值范围是.【分析】由已知利用二倍角公式化简可求cos2α+cos2β=3(cosβ﹣sinα),由,得sinα的范围,从而可求,进而得解.【解答】解:∵,∴cos2α+cos2β=1﹣2sin2α+2cos2β﹣1=2(sinα+cosβ)(cosβ﹣sinα)=3(cosβ﹣sinα),∵由,得,,易得:,∴,∴.故答案为:.【点评】本题主要考查了二倍角公式在三角函数化简求值中的应用,考查了正弦函数的性质及其应用,考查了计算能力和转化思想,属于基础题.16.在四边形ABCD中,∠ABC=90°,,△ACD为等边三角形,则△ABC的外接圆与△ACD的内切圆的公共弦长=1.【分析】以AC为x轴,AC的中点为坐标原点建立坐标系,分别求出△ABC的外接圆与△ACD的内切圆的方程,联立求得交点,利用两点间的距离公式求得两圆公共弦长.【解答】解:以AC为x轴,AC的中点为坐标原点建立坐标系,则A(﹣1,0),C(1,0),B(0,1),D(0,﹣),∴△ABC的外接圆的方程x2+y2=1,①△ACD的内切圆方程为,即,②联立①②可得两圆交点坐标为(,﹣),(,﹣),∴两圆的公共弦长为.故答案为:1.【点评】本题考查圆的方程的求法,考查圆与圆位置关系的应用,是中档题.三、解答题:17.(12.00分)已知数列{a n}的前n项和为S n,且满足a n=2S n+1(n∈N*).(1)求数列{a n}的通项公式;(2)若b n=(2n﹣1)•a n,求数列{b n}的前n项和T n.【分析】(1)当n=1时计算可知a1=﹣1,当n≥2时将a n=2S n+1与a n﹣1=2S n﹣1+1作差可知a n=﹣a n﹣1,进而可知数列{a n}是首项为﹣1,公比为﹣1的等比数列;(2)通过(1)可知,分n为奇偶两种情况讨论即可.【解答】解:(1)当n=1时,a1=2S1+1=2a1+1,解得a1=﹣1.当n≥2时,有:a n=2S n+1,a n﹣1=2S n﹣1+1,两式相减、化简得a n=﹣a n﹣1,所以数列{a n}是首项为﹣1,公比为﹣1的等比数列,从而.(2)由(1)得,当n为偶数时,b n+b n=2,;﹣1当n为奇数时,n+1为偶数,T n=T n+1﹣b n+1=(n+1)﹣(2n+1)=﹣n.所以数列{b n}的前n项和.【点评】本题考查数列的通项公式和前n项和公式,考查分类讨论的思想,注意解题方法的积累,属于中档题.18.(12.00分)如图1,在平行四边形ABB1A1中,∠ABB1=60°,AB=4,AA1=2,C、C1分别为AB、A1B1的中点,现把平行四边形ABB1A11沿CC1折起如图2所示,连接B1C、B1A、B1A1.(1)求证:AB1⊥CC1;(2)若,求二面角C﹣AB 1﹣A1的正弦值.【分析】(1)取CC1的中点O,连接OA,OB1,AC1,说明AO⊥CC1,OB1⊥CC1,推出CC1⊥平面OAB1,然后证明AB1⊥CC1;(2)证明AO⊥OB1,以O为原点,以OC,OB1,OA为x,y,z轴建立空间直角坐标系,求出平面AB1C的法向量,平面A1B1A的法向量,利用空间向量的数量积求解二面角C﹣AB1﹣A1的正弦值即可.【解答】证明:(1)取CC1的中点O,连接OA,OB1,AC1,∵在平行四边形ABB1A1中,∠ABB1=60°,AB=4,AA1=2,C、C1分别为AB、A1B1的中点,∴△ACC1,△BCC1为正三角形,则AO⊥CC1,OB1⊥CC1,又∵AO∩OB1=O,∴CC1⊥平面OAB1,∵AB1⊂平面OAB1∴AB1⊥CC1;…4分(2)∵∠ABB1=60°,AB=4,AA1=2,C、C1分别为AB、A1B1的中点,∴AC=2,,∵,则,则三角形AOB1为直角三角形,则AO⊥OB1,…6分以O为原点,以OC,OB1,OA为x,y,z轴建立空间直角坐标系,则C(1,0,0),B1(0,,0),C1(﹣1,0,0),A(0,0,),则则,=(0,,),=(1,0,),设平面AB 1C的法向量为,则,令z=1,则y=1,,则,设平面A 1B1A的法向量为,则,令z=1,则x=0,y=1,即,…8分则…10分∴二面角C﹣AB1﹣A1的正弦值是.…12分.【点评】本题考查二面角的平面角的求法,直线与平面垂直的判定定理以及性质定理的应用,考查计算能力与空间想象能力.19.(12.00分)为评估设备M生产某种零件的性能,从设备M生产零件的流水线上随机抽取100件零件最为样本,测量其直径后,整理得到下表:经计算,样本的平均值μ=65,标准差=2.2,以频率值作为概率的估计值.(1)为评判一台设备的性能,从该设备加工的零件中任意抽取一件,记其直径为X,并根据以下不等式进行评判(p表示相应事件的频率):①p(μ﹣σ<X≤μ+σ)≥0.6826.②P(μ﹣σ<X≤μ+2σ)≥0.9544③P(μ﹣3σ<X≤μ+3σ)≥0.9974.评判规则为:若同时满足上述三个不等式,则设备等级为甲;仅满足其中两个,则等级为乙,若仅满足其中一个,则等级为丙;若全部不满足,则等级为丁.试判断设备M的性能等级.(2)将直径小于等于μ﹣2σ或直径大于μ+2σ的零件认为是次品(i)从设备M的生产流水线上随意抽取2件零件,计算其中次品个数Y的数学期望E(Y);(ii)从样本中随意抽取2件零件,计算其中次品个数Z的数学期望E(Z).【分析】(Ⅰ)利用条件,可得设备M的数据仅满足一个不等式,即可得出结论;(Ⅱ)易知样本中次品共6件,可估计设备M生产零件的次品率为0.06.(ⅰ)由题意可知Y~B(2,),于是E(Y)=2×=;(ⅱ)确定Z的取值,求出相应的概率,即可求出其中次品个数Z的数学期望E (Z).【解答】解:(Ⅰ)P(μ﹣σ<X≤μ+σ)=P(62.8<X≤67.2)=0.8≥0.6826,P(μ﹣2σ<X≤μ+2σ)=P(60.6<X≤69.4)=0.94≥0.9544,P(μ﹣3σ<X≤μ+3σ)=P (58.4<X≤71.6)=0.98≥0.9974,因为设备M的数据仅满足一个不等式,故其性能等级为丙;…(4分)(Ⅱ)易知样本中次品共6件,可估计设备M生产零件的次品率为0.06.(ⅰ)由题意可知Y~B(2,),于是E(Y)=2×=;…(8分)(ⅱ)由题意可知Z的分布列为故E(Z)=0×+1×+2×=.…(12分)【点评】本题考查概率的计算,考查正态分布曲线的特点,考查数学期望,考查学生的计算能力,属于中档题.20.(12.00分)平面直角坐标系xOy中,已知椭圆的左焦点为F,离心率为,过点F且垂直于长轴的弦长为.(I)求椭圆C的标准方程;(Ⅱ)设点A,B分别是椭圆的左、右顶点,若过点P(﹣2,0)的直线与椭圆相交于不同两点M,N.(i)求证:∠AFM=∠BFN;(ii)求△MNF面积的最大值.【分析】(1)运用椭圆的离心率公式和过焦点垂直于对称轴的弦长,结合a,b,c的关系解得a,b,可得椭圆的方程;(II)方法一、(i)讨论直线AB的斜率为0和不为0,设A(x1,y1),B(x2,y2),AB方程为x=my﹣2,代入椭圆方程,运用韦达定理和判别式大于0,运用直线的斜率公式求斜率之和,即可得证;(ii)求得△MNF的面积,化简整理,运用基本不等式可得最大值.方法二、(i)由题知,直线AB的斜率存在,设直线AB的方程为:y=k(x+2),设A(x1,y1),B(x2,y2),联立椭圆方程,消去y,可得x的方程,运用韦达定理和判别式大于0,再由直线的斜率公式,求得即可得证;(ii)求得弦长|MN|,点F到直线的距离d,运用三角形的面积公式,化简整理,运用换元法和基本不等式,即可得到所求最大值.【解答】解:(1)由题意可得,令x=﹣c,可得y=±b=±,即有,又a2﹣b2=c2,所以.所以椭圆的标准方程为;(II)方法一、(i)当AB的斜率为0时,显然∠AFM=∠BFN=0,满足题意;当AB的斜率不为0时,设A(x1,y1),B(x2,y2),AB方程为x=my﹣2,代入椭圆方程,整理得(m2+2)y2﹣4my+2=0,则△=16m2﹣8(m2+2)=8m2﹣16>0,所以m2>2.,可得==.则k MF+k NF=0,即∠AFM=∠BFN;(ii)当且仅当,即m2=6.(此时适合△>0的条件)取得等号.则三角形MNF面积的最大值是.方法二(i)由题知,直线AB的斜率存在,设直线AB的方程为:y=k(x+2),设A(x1,y1),B(x2,y2),联立,整理得(1+2k2)x2+8k2x+8k2﹣2=0,则△=64k4﹣4(1+2k2)(8k2﹣2)=8﹣16k2>0,所以.,可得=∴k MF+k NF=0,即∠AFM=∠BFN;(ii),点F(﹣1,0)到直线MN的距离为,即有==.令t=1+2k2,则t∈[1,2),u(t)=,当且仅当,即(此时适合△>0的条件)时,,即,则三角形MNF面积的最大值是.【点评】本题考查椭圆的方程的求法,注意运用离心率公式和过焦点垂直于对称轴的弦长,考查直线和椭圆方程联立,运用韦达定理和判别式大于0,以及直线的斜率公式,考查基本不等式的运用:求最值,属于中档题.21.(12.00分)已知函数,且函数f(x)的图象在点(1,﹣e)处的切线与直线x+(2e+1)y﹣1=0垂直.(1)求a,b;(2)求证:当x∈(0,1)时,f(x)<﹣2.【分析】(1)由f(1)=﹣e,得a﹣b=﹣1,由f'(1)=2e+1,得到a﹣4b=2,由此能求出a,b.(2)f(x)<﹣2,即证,令g(x)=(2﹣x3)e x,,由此利用导数性质能证明f(x)<﹣2.【解答】解:(1)因为f(1)=﹣e,故(a﹣b)e=﹣e,故a﹣b=﹣1①;依题意,f'(1)=2e+1;又,故f'(1)=e(4a﹣b)+1=2e+1,故4a﹣b=2②,联立①②解得a=1,b=2;(2)由(1)得,要证f(x)<﹣2,即证;令g(x)=(2﹣x3)e x,,g'(x)=﹣e x(x3+3x2﹣2)=﹣e x(x+1)(x2+2x﹣2)令g'(x)=0,因为x∈(0,1),e x>0,x+1>0,故,所以g(x)在上单调递增,在单调递减.而g(0)=2,g(1)=e,当时,g(x)>g(0)=2当时,g(x)>g(1)=e故当x∈(0,1)时,g(x)>2;而当x∈(0,1)时,,故函数所以,当x∈(0,1)时,ϕ(x)<g(x),即f(x)<﹣2.【点评】本题考查导数的应用,考查导数的几何意义,考查不等式的证明,考查学生分析解决问题的能力,属于中档题.[选修4-4:极坐标与参数方程选讲](本小题满分10分)22.(10.00分)在直角坐标系xOy中,直线l的参数方程为(t为参数),在极坐标系(与直角坐标系xOy取相同的长度单位),且以原点O为极点,以x轴非负半轴为极轴)中,圆C的方程为ρ=6sinθ.(1)求圆C的直角坐标方程;(2)若点P(1,2),设圆C与直线l交于点A,B,求|PA|+|PB|的最小值.【分析】(I)利用x=ρcosθ,y=ρsinθ可将圆C极坐标方程化为直角坐标方程;(II)先根据(I)得出圆C的普通方程,再根据直线与交与交于A,B两点,可以把直线与曲线联立方程,用根与系数关系结合直线参数方程的几何意义,表示出|PA|+|PB|,最后根据三角函数的性质,即可得到求解最小值.【解答】解:(Ⅰ)由ρ=6sinθ得ρ2=6ρsinθ,化为直角坐标方程为x2+y2=6y,即x2+(y﹣3)2=9.(Ⅱ)将l的参数方程代入圆C的直角坐标方程,得t2+2(cosα﹣s inα)t﹣7=0.由△=(2cosα﹣2sinα)2+4×7>0,故可设t1,t2是上述方程的两根,所以,又直线l过点(1,2),故结合t的几何意义得|PA|+|PB|=|t1|+|t2|=|t1﹣t2|====2.所以|PA|+|PB|的最小值为2.【点评】此题主要考查参数方程的优越性,及直线与曲线相交的问题,在此类问题中一般可用联立方程式后用韦达定理求解即可,属于综合性试题有一定的难度.[选修4-5:不等式选讲](本小题满分0分)23.已知a>0,b>0,函数f(x)=|x﹣a|+|x+b|的最小值为2.(1)求a+b的值;(2)证明:a2+a>2与b2+b>2不可能同时成立.【分析】(1)运用绝对值不等式的性质可得f(x)的最小值为a+b,即可得到所求最小值;(2)运用反证法,结合二次不等式的解法,即可得证.【解答】解:(1)∵a>0,b>0,∴f(x)=|x﹣a|+|x+b|≥|(x﹣a)﹣(x+b)|=|a+b|=a+b,∴f(x)min=a+b,由题设条件知f(x)min=2,∴a+b=2;证明:(2)∵a+b=2,而,故ab≤1.假设a2+a>2与b2+b>2同时成立.即(a+2)(a﹣1)>0与(b+2)(b﹣1)>0同时成立,∵a>0,b>0,则a>1,b>1,∴ab>1,这与ab≤1矛盾,从而a2+a>2与b2+b>2不可能同时成立.【点评】本题考查绝对值不等式的性质以及不等式的证明,考查反证法的运用,以及运算能力和推理能力,属于中档题.。

2017-2018学年高中英语 专题05 First aid试题(含解析)新人教版必修5

2017-2018学年高中英语 专题05 First aid试题(含解析)新人教版必修5

专题05 First aidKnowing a little first aid could be life-saving ifyou see someone lying unconscious.如果你看见有人晕倒,而你又了解一些急救措施,那很可能会挽救一条生命。

Too often people don’t do anything because theythink they will kill the patient, but by learning simple rules you could make the difference between life and death.通常人们都是什么都不做,因为他们认为自己的做法可能会害死病人。

但是学习些简单的措施,你就可能救人于生死之间了。

First, you need to find out if they’re unconscious, asleep or drunk, by squeezing the skin between their neck and shoulder and shouting.首先,你需要通过测他们的颈动脉,并大声呼喊来确定他们是无意识了,还是睡着了或者喝醉了。

If there is no response at all, you need to establish if they are dead or just unconscious —sometimes it’s very difficult to tell the difference.如果没有反应的话,你需要确定他们是死了,还是仅仅是晕过去了——有时候很难分辨清楚它们。

Open the airway by placing one hand on their forehead and gently tilting the head back while lifting the chin.把一只手放在他们的前额慢慢地把头向后倾,同时抬高下颚,以确保呼吸顺畅。

2017-2018学年度第二学期五年级英语期末试卷

2017-2018学年度第二学期五年级英语期末试卷

2017-2018学年度第二学期期末试卷五年级英语(满分:100分时间:60分钟)学校姓名准考证号听力部分(20分)一、听录音,选出你所听到的内容。

(听一遍)(5分)()1、A、 cinemaB. stationC. supermarket()2. A eighthB. sixthC. eleventh()3、A、JuneB JulyC. April()4.A get onB get toC. get off()5、A、 medicineB mountain C mushroom二、所录音,判断所听内容是否与句意相符,相符的写“T”,不相符的写“F”。

(听两遍)(5分)()1. Bobby likes riding the bike in the park()2. Yang Ling asks a policeman for help()3. Mike has a toothache. He goes to see the dentist()4. Tim is sleeping in his bedroom()5. Bobby sees two ladybirds on Sams hand三、听录音,根据所听句子选择正确的答句。

(听两遍)(5分)-0了)()1. A. She takes a bus. B I walk to school. C He rides a bike()2. A it's at nineB. Im elevenC it's on the ninth of May()3. A. i'm cookingB. Shes singingC. I like dancing()4. A. he's illB Hes 11 years old. C. He has an e-friend()5. A. Yes. I doB. Yes. he isC. No, he doesnt.四、听录音,完成句子。

2017-2018学年高二英语上学期第一次月考试题_34

2017-2018学年高二英语上学期第一次月考试题_34

2017-2018学年高二英语上学期第一次月考试题本试卷分第Ⅰ卷和第Ⅱ卷两部分,满分100分。

考试用时90分钟。

考试结束后,将将本试卷和答题卡一并交回。

注意事项:答第I卷前考生务必将自己的姓名,准考证号填写在答题卡上。

选出每小题答案前,用2B铅笔把答题卡上对应题目的答案标号涂黑。

如需改动,用橡皮擦干净后,再选涂其他答案标号框,不能答在本试卷上,否则无效。

第I卷(选择题,共60分)第一部分阅读理解(共两节,满分30分)第一节(共10小题:每小题2分,满分20分)阅读下列短文,从每题所给的四个选项(A、B、C和D)中选出最佳选项,并在答题卡上将该项涂黑。

AThere is a bar in our town with the name “The White Horse”. It 's Mr. Webster's. Few people went to the bar last year, but thi ngs are quite different now.There was a picture of a white horse on the door of the bar. T hen a stranger came in one day, drank something, looked aro und the bar and then said to Mr. Webster "Few people come here. Take down the picture of the white horse and put on a pi cture of a black horse instead.""But the name of the bar is ‘The White Horse’.” Mr. Webster s aid."Yes, but do it." The man said. Then he went out of the bar.[] Mr. Webster went to an artist and said, "I want a picture of a b lack horse."The next day a picture of a black horse was on the door of the bar instead of that of the white horse. Soon after the door op ened, a man came in and said, "There is a mistake on the doo r of your bar, and the picture is different from the name." The man looked, sat down and drank something.Then another man came in and said the same, and then anot her and another. A lot of people came in and said "The pictur e on your door is wrong." And they all stopped and drank in M r. Webster's bar.1. The stranger told Mr. Webster to take down the picture of t he white horse because he knew ________.A. people would come in and tell the picture was different from the nameB. the picture of the white horse wasn't good for the barC. people would understand the picture different from the nam eD. a picture of a black horse showed good luck2. Mr. Webster agreed with the stranger ________.A. because he knew he was an artistB. though he didn't like the black horseC. though he wasn't ready to do it at firstD. because he want ed to change the picture3. More and more people came to the bar because ________.A. it had changed its nameB. they wanted to show t he mistakeC. the bar had a black horseD. the black horse was bet ter than the white one4. From the story we have learned that ________.A. if your business isn't good, you'd better change the name o r the pictureB. when you have difficulty, don't give upC. if you are in trouble, you should take others' ideasD. when a good name is given, it can cause successBWhy do people lie? A person lies to get himself out of a difficu lt or stressful situation or he lies to gain some benefits. So ho w should we go about recognizing those common indications(暗示) that someone is lying? Let's begin.Scratching(抓,挠) the neck,throat or mouth. When a person tells lies,he will put himself under pressure and this tends to heat up th e whole body. In order to release this heat,the liar will start to scratch his body to release the heat. Shaking of a leg or a foot. When telling a lie,a person controls his facial expression because he knows that the other person is looking at his face. However,when one is totally focused on controlling the upper body,the lower body will get out of control,which is an indication of lying.Eye direction. When a person is trying to answer a hard quest ion,usually the eyes will be looking to the left to recall things from his memory. When one cannot find the answer,the eyes will shift to look at the right which indicates that he is constructing something that is usually a lie.For more techniques to become a more effective communicator,please refer to other articles on this website.5.The writer wrote this passage to ________.A.tell us how to detect lies through body languageB.tell us the importance of detecting liesC.prove that lies can be easily detectedD.explain why people tell lies6.According to the writer,the liar will start to scratch his body because ________. A.he feels very nervous B.he is trying to calm down C.he wants to draw attention to himself D.he wants to rel ease heat7.Where is this passage probably taken from?A.A website B.A magazine. C.A newspaper D .A letter.CMany pet owners see their pets as family members. However ,when they have to go away on business or for some other rea sons, they feel guilty about it and wish they could do somethin g for their deeply loved pets. The Pet Hotel is set up especiall y for this reason.What do we offer?The Pet Hotel offers pets large rooms and the latest equipme nt. Like other hotel rooms,we offer color TVs,suitable beds,sofas and other pieces of furniture for pets. We prepare great food for the little guests,walk them at least twice a day,and provide them with all kinds of amusements(娱乐活动). In addition,we brush and clean pets. To make pets feel at home,we play the sort of music which is often played at their homes and turn the TV to the pets’ favorite channels. Pets will surely feel comfortable in our hotel!We also have video cameras in each room so that owners ca n check online twenty-four hours a day to make sure that the pets are having a good time at the hotel.How much does It cost?The prices change according to the size of the rooms. A regul ar room with standard service costs 1,500 dollars.8.Pet owners send their pets to the Pet Hotel probably beca use they .A.can't take pets along on business B.treat pets as their close friendsC.are not happy with their own pets D.want to send their pets to others9.The Pet Hotel provides pets with .[]A.magazines and sofas B.color TVs and beds C.beds and magazines D.color TVs and toys 10.In the Pet Hotel,pets can .A.enjoy their favorite TV programs B.take photos for th eir ownersC.brush and clean themselves D.book rooms accordi ng to their size根据对话内容,从对话后的选项中选出能填入空白处的最佳选项,并在答题卡上将该项涂黑。

河南省南阳市第一中学高二语文下学期第一次月考试题(含解析)(2021年整理)

河南省南阳市第一中学高二语文下学期第一次月考试题(含解析)(2021年整理)

河南省南阳市第一中学2017-2018学年高二语文下学期第一次月考试题(含解析)编辑整理:尊敬的读者朋友们:这里是精品文档编辑中心,本文档内容是由我和我的同事精心编辑整理后发布的,发布之前我们对文中内容进行仔细校对,但是难免会有疏漏的地方,但是任然希望(河南省南阳市第一中学2017-2018学年高二语文下学期第一次月考试题(含解析))的内容能够给您的工作和学习带来便利。

同时也真诚的希望收到您的建议和反馈,这将是我们进步的源泉,前进的动力。

本文可编辑可修改,如果觉得对您有帮助请收藏以便随时查阅,最后祝您生活愉快业绩进步,以下为河南省南阳市第一中学2017-2018学年高二语文下学期第一次月考试题(含解析)的全部内容。

南阳一中2018年春期高二年级第一次月考语文试题一、基础知识1. 下列各项中,对加点词的解释,不正确的一项是A. 仪封人..请见封人:镇守边界的官。

B. 天下之无道..也久矣无道:没有道德.C. 往者不可谏.谏:匡正,挽回。

D. 以杖荷.篠荷:担,背负。

【答案】B【解析】试题分析:此题考核理解常见文言实词在文中的含义的能力,平时注意积累,答题时注意分析词语前后搭配是否得当,还要注意文言文中常常出现以今释古的现象。

同时注意通假字、词类活用、古今异义、一词多义等。

题中B项,无德:暴虐,没有德政。

2. 下列句子中,对“而”的解释不正确的一项是A。

子路拱而立而:连词,表修饰。

B。

而谁以易之而:通假字,通“尔”,你.C. 歌而过孔子而:连词,表顺承.D. 欲洁其身,而乱大伦而:连词,表转折。

【答案】C【解析】试题分析:此题考核理解常见文言虚词在文中的含义和用法的能力,重点记忆考纲规定的18个文言虚词的用法和意义,还要重点记忆课本中的经典例句.题中C项,歌而过孔子而:连词,表修饰。

3. 下列各项中,对句式的判断不正确的一项是A。

而谁以易之?宾语前置句B. 吾非斯人之徒与而谁与?宾语前置句C. 子路宿于石门。

2017-2018学年高一英语上学期期末考试试题汉

2017-2018学年高一英语上学期期末考试试题汉

2017-2018学年高一英语上学期期末考试试题汉(考试时间:2小时满分:100分)第I卷选择题(满分60分)阅读理解(共20小题,每题2分,满分40分)第一节:阅读理解(共15小题;每小题2分,满分30分)阅读下列短文,从每题所给的选项中选出最佳选项。

AWhen you walk along a street in a big city in the United States , you may see clocks in most stores. Radio announcers give t he correct time during the day. People there think that it is imp ortant to know the time. Most Americans have watches. They want to do certain things at certain times. They do not want to be late.Not all people all over the world value time. Suppose you visi t a certain country in South America. You would find that peop le living there do not like to rush. If you had an appointment (约会)with someone, he would probably be late. He would not care for arriving on time. In some countries in South America, ev en the radio programs may not begin right on time, nor do the radio announcers think it important to announce the right time. Many people regard a clock as a machine. It seems to them t hat a person who does everything on time is controlled by a m achine. They do not want a clock or any machine to have that much power over their lives.1. There are clocks in most stores in the US cities because __ ____.A. people in the stores want to sell these clocksB. people think it important to know the timeC. bosses want to make their stores beautifulD. they needn't wear watches when they are away from hom e2. The underlined word "rush" in the passage most probably means ______.A. “run”B. “walk”C.“hurry”D. “move”3. If you had an appointment with someone in some place in South America, he might not arrive on time, and this is becau se ______.A. he didn't have a watch with himB. he forgot to have a look at a watch or a clockC. he didn't like an appointment with someoneD. he didn't think it important to arrive on time4. In some countries in South America ______.A. the radio announcers do think it important to announce th e exact timeB. the radio programs may start a bit early or lateC. most people do not want to be controlled by othersD. many people think a clock has much power5.which statement is not true?A. The radio announcers in South America always announce t he right time.B. You can see clocks in many stores in USA.C.All the people in the world don’t value the time.D. Most Americans own watches.BFitzgerald, a very wealthy English man, had only one child, a son, who naturally was the apple of his eye. His wife died whe n the child was in his early teens. So Fitzgerald devoted hims elf to fathering the kid. Unluckily the son died in his late teens. Meanwhile, Fitzgerald's wealth was increasing all the time. He spent a lot on art works of the masters. Later Fitzgerald hims elf became seriously ill. Before his death, he had carefully pre pared his will as to how his wealth would be settled——to sell his entire collection at an auction(拍卖).Because of the large quantity and high quality of his collection , a huge crowd of possible buyers gathered for the auction. M any of them were museum directors and private collectors ea ger to bid(出价). Before the auction, the art works were shown, among w hich was a painting of Fitzgerald's son by an unknown artist. Because of its poor quality, it received little attention.When it was time for the auction, the auctioneer gaveled(敲槌)the crowd to attention. First the lawyer read from Fitzgerald's will that the first art work to be auctioned was the painting of h is son.The poor-quality painting didn't receive any bidders except one——the old servant who had attended to the son and loved him, a nd who for emotional reasons offered the only bid.As soon as the servant bought the painting for less than one English pound, the auctioneer stopped the bidding and asked the lawyer to read again from the will. The crowd became qui et, and the lawyer read from the will: “Whoever buys the painti ng of my son gets all my collection.” Then the auction was ov er.6. Fitzgerald was __________.A. a museum directorB. a master of artC. an art collectorD. an art auctioneer7. Which of the following is TRUE according to the story?A. Fitzgerald took care of his son all by himself.B. Fitzgerald lost his wife and his only son within 10 years.C. Fitzgerald became seriously ill because of the death of his son.D. Fitzgerald decided to leave everything he had to his servan t.8. Fitzgerald's will showed __________.A. his desire to fool the biddersB. his sadness at the death of his sonC. his regret of having no heir (继承人)D. his invaluable love for his son9. What helped the old servant win the whole collection of Fitz gerald's?A. No more than one pound.B. His emotion for his young master.C. Great increase of his wealth.D. His strong passion for art.10. At the result of the auction, the old man would feel more t han ______________.A. sadB. surprisedC. interestedD. expectedCWe parents often take material things for love. “I give him eve rything,” a disappointed mother complains. “New shoes, video -games, and his own TV. You’d think he’d at least show me re spect!”Of course, love and presents are related. Most parents work h ard to earn money. They want their children to have more tha n they did and have better lives. The problem is, most childre n don’t connect the things parents buy with the labor that pays for them. Children have more, but our culture——and television in particular——teaches them that more is never enough. Having more does n ot mean that a child feels loved.From a parent’s point of view, children are not thankful. But thi s has to do with their natural growth. Young children see their parents as all-mighty(万能的). If parents fail to provide what they want, it must be a matt er of choice. It’s normal for children, even school-age ones, not to be able to take another person’s point of vie w. For example, they may dislike their parents for working lon g hours, and not realize that the parent would also rather hav e more time at home.In addition to giving presents, we have to find other ways to e xpress love and create memories. Reading or telling stories to gether, making music and playing games are all ways for fami lies to spend time without spending money. Traditions like rea ding favorite poems and even snowball fights all serve the pur pose(达到目的). Most importantly, as parents, we have to learn to hold b ack some energy from our tiring jobs. When we’re present for our children, we ourselves become the presents we want to gi ve.11. The underlined word “them”( in Paragraph 2) refers to____ __________.A. the things parents buyB. parentsC. childrenD. bett er lives12. According to the passage, children______.A. want fewer presentsB. want presents rather than loveC. are taught to ask for moreD. can live better without their parents.13. We can judge from the passage that there is _________.A. a heavy job load for some parentsB. a lack of money in some familiesC. misunderstanding between parents and childrenD. love between parents and children14. The last paragraph of the passage means that______.A. our children are good presents to usB. we should spend more time with our childrenC. we ourselves need some presentsD. we should give more presents to our children15. The best title for the passage is .A. Family LifeB. Children’s EducationC. Love and PresentsD. Children and Parents第二节:任务型阅读(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。

2017-2018学年度高二化学《炔烃》习题精练(含解析)

2017-2018学年度高二化学《炔烃》习题精练(含解析)

炔烃一、选择题1.向饱和澄清石灰水中加入少量CaC2,充分反应后恢复到原来的温度,所得溶液中() A.c(Ca2+)、c(OH﹣)均增大B.c(Ca2+)、c(OH﹣)均保持不变C.c(Ca2+)、c(OH﹣)均减小D.c(OH﹣)增大、c(H+)减小2.1—溴丙烯能发生如下图所示的4个不同反应。

其中产物只含有一种官能团的是() A.①②B.②③C.③④D.①④3.下列说法中不正确的是()A.石油中含有C5~C11的烷烃,可通过分馏获得汽油B.含C18以上的烷烃的重油经催化裂化可以得到汽油C.裂解的主要目的是为了得到更多的汽油D.石蜡、润滑油等可以通过石油的减压分馏得到4.只含一个不饱和键的链烃A加氢后的产物的结构简式为,此不饱和链烃A可能的结构简式有()A.4种B.5种C.6种D.7种5.某气态烃10 mL与50 mL氧气在一定条件下作用,刚好耗尽反应物,生成水蒸气40 mL、一氧化碳和二氧化碳各20 mL(各体积都是在同温同压下测得)。

该气态烃为()A.C3H8B.C4H6C.C3H6D.C4H86.关于炔烃的下列描述正确的是()A.分子里含有碳碳三键的不饱和链烃叫炔烃B.炔烃分子里的所有碳原子都在同一直线上C.炔烃易发生加成反应,也易发生取代反应D.炔烃不能使溴水褪色,但可以使酸性高锰酸钾溶液褪色7.下列化工工艺可得到汽油的是()A.裂化B.常压分馏C.裂解D.催化重整8.若1 mol某气态烃CxHy完全燃烧,需用3 mol O2,则()A.x=2,y=2B.x=2,y=4C.x=3,y=6D.x=3,y=89.在120℃时,某混合烃和过量O2在一密闭容器中完全反应,测知反应前后的压强没有变化,则该混合烃可能是()A.CH4和C2H4B.C2H2和C2H6C.C2H4和C2H6D.C3H4和C3H610.下列各种物质中,碳氢质量比为一定值的是()A.甲烷和乙烷B.乙烯和丙烯C.苯和乙炔D.乙炔和丙炔二、填空题1.电石中的CaC2与H2O反应可用于制C2H2:CaC2+2H2O→C2H2↑+Ca(OH)2使反应产生的气体排水,测量出水的体积,可计算出标准状况下乙炔的体积,从而可测定电石中碳化钙的含量。

【人教版】2017-2018年八年级下期末考试英语试题(含答案)

【人教版】2017-2018年八年级下期末考试英语试题(含答案)

2017—2018学年度下学期期末素质教育测评试卷八年级英语(时间:120分钟满分:120分)一、听力(共二节,计25分)第一节(共5小题;每小题1分,满分5分)听下面5段小对话,每段对话后面对应一个小题,从题中所给的A、B、C三个选项中找出与所听对话内容相符的图片的最佳选项。

听完每段对话后,你都有5秒钟的答题时间并阅读下一小题。

每段对话读两遍.( ) 1。

A。

B。

C。

( )2。

A。

B. C。

() 3. A. B。

C。

( ) 4. A。

B. C.()5。

A。

B. C.第二节(共20小题;每小题1分,满分20分)听下面7段对话或独白,每段对话或独白后面有几个小题,从题后所给的A、B、C三个选项中选出最佳选项。

听每段对话或独白前,你将有时间阅读各个小题,每小题5秒钟;听完后,各小题给出5秒钟的答题时间.每段对话或独白读两遍.听第6段材料,完成第6至7小题。

() 6。

When did Tony go to work in the old people’s home?A。

Last weekend. B. Last month. C. Last summer。

()7. What did Tony do for the old people?A。

Read newspapers. B。

Told stories。

C。

Cleaned the rooms.听第7段材料,完成第8至9小题。

() 8. Where are they going tomorrow?A。

To the science museum。

B。

To the art museum. C. To the space museum。

()9. How are they going there?A. Ride their bikes。

B。

Take the subway。

C. Take the bus。

听第8段材料,完成第10至11小题。

( )10. What time did Lucy call Jack yesterday evening?A. At 7:00。

【拔高教育】2017-2018学年高一英语下学期期末考试试题(含解析)

【拔高教育】2017-2018学年高一英语下学期期末考试试题(含解析)

宣威五中2018年春季学期期末检测试卷高一英语命题教师:余艳华第Ⅰ卷(选择题,共100分)第一部分听力理解 ( 共两节, 满分30分)第一节(共5小题;每题1. 5分, 满分7.5分)听下面5段对话。

每段对话后有一个小题, 从题中所给的A、B、C三个选项中选出最佳选项, 并标在试卷的相应位置。

听完每段对话后, 你都有10秒钟的时间来回答有关小题和阅读下一小题。

每段对话仅读一遍。

1. What's the girl going to do on the weekend?A. Go to the concert.B. Do some housework.C. Have a rest at home.2. When did the man go to Raging Waters?A. In 2013.B. In 2014.C. In 2015.3. Whose party will the woman go to?A. John's.B. Larry's.C. Ann's.4. How much will the man pay at last?A. 21 dollars.B. 27 dollars.C. 30 dollars.5. What is the man .worded about?A. The match may be delayed.B. The car may go out of control.C. He may be late for the match.第二节(共15小题;每小题1.5分, 满分22.5分)听下面5段对话。

每段对话后有几个小题, 从题中所给的A、B、C三个选项中选出最佳选项, 并标在试卷的相应位置。

听每段对话前, 你将有时间阅读各个小题, 每小题5秒钟, 听完后, 各小题给出5秒钟的做答时间。

每段对话读两遍。

听下面一段对话, 回答第6、7题。

2018-2019学年河南省南阳市高一下学期期末考试英语试题

2018-2019学年河南省南阳市高一下学期期末考试英语试题

南阳市2019年春期高中一年级期终质量评估英语试题注意事项:1、本试卷分第Ⅰ卷(选择题)和第II卷(非选择题)两部分,共150分,考试时间120分钟。

2、考生作答时,将答案答在答题卡上,在本试题卷上答题无效。

3、试结束后,将本试题卷和答题卡一并交回。

第Ⅰ卷(选择题共100分)第一部分:听力理解(共两节,满分30分)第一节(共5小题;每题1.5分,满分7.5分)听下面5段对话。

每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。

听完每段对话后你都有10秒钟的时间来回答有关小题和阅读下一小题,每段对话仅读一遍。

1. When can the woman take a vacation?A.At the end ofAugust.B.At the end ofjune.C. This week.2. What is the woman trying to do?A. Hold a party for the man.B. Comfort the man.C. Apologize to the man.3. What are the speakers mainly talking about?A. The man's hobby. B, A holiday plan. C. Their childhood.4. What is the man's opinion on British food?A. Unhealthy.B. Tasteless.C. Excellent.5. When does the conversation take place?A. In the morning.B.In the attemoon.C.In the evening.第二节(共15小题;每小题1.5分,满分22.5分)听下面5段对话或独白。

每段对话或独白后有几个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。

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河南省南阳市2017-2018学年高二下学期期末考试英语试题第一部分听力(共两节,满分30分)做题时,先将答案标在试卷上,录音内容结束后,你将有两分钟的时间将试卷上的答案转涂到答题卡土。

第一节(共5小题;每小题1.5分,满分7.5分)请听下面5段对话,每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。

听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题,每段对话仅读一遍。

例:How much is the shirt?A. £19.15B. £9.18C. £9.15答案是C。

1. What is the most probable relationship between the two speakers?A. Husband and wifeB. colleaguesC. Teacher and student2. Where does this conversation probably take place?A. In a hospitalB. In a shopC. In a restaurant3. What does the man think of his vacation?A It is not good. B. It is wonderful. C. It is too tiring.4. When will the plane take off?A. At 10:10.B. At 10:15.C. At 10:30.5. What is the man doing now?A. Watching TV.B. Playing the computer.C. waking on a paper第二节(共15小题,每小题1.5分,满分22.5分)听下面5段对话或独白。

每段对话或独白后有几个小题,从题中所给的A、B、C三个选项中选出最佳选项,听每段对话或独白前,你将有时间阅读各个小题,每小题5秒钟;听完后,各小题将给出5秒钟的作答时间。

每段对话或独白读两遍。

听第6段材料,回答第6、7题。

6. What did the man do on Friday?A. He had an English class.B. He attended a class activity.C. He visited a museum of rocks.7. Why is it very easy to find different rocks there?A. Because it pets hot during the day, but it cools off very quickly at night,B. Because there are many different rocks.C. Because there are very few plants.听第7段材料,回答第8、9题。

8. How many days does the man go to school every week in his country?A. Five days.B. Five days and a half.C. Six days.9. Where is the man going next?A. To the canteen.B. To the library.C. To the dormitory.听第8段材料,回答第10至12题。

10. How many nights will the man be staying?A. 3 nightsB. 4 nightsC. 5 nights11. What room does the man need?A. A smoking room with a good view of the ocean.B. A smoking room without facing the street.C. A non-smoking room facing the street.12. How much will the man pay?A. $140B. $456C. $560听第9段材料,回答第13至16题。

13. Where does the woman probably work?A. At a university.B. At a house agency.C. At a supermarket.14. What is the man’s requirement about the rent?A. No more than 100 dollars a month.B. Less than 80 dollars a month.C. More than 150 dollars a month.15. What can we know about the second flat?A. It’s smaller but more expensive.B. It has two bedrooms but it’s on a noisy street.C. It’s a little far away from the university.16. What will the man probably do next?A. Rent the second flat.B. Go to see the second flat.C. Finish typing the material. 听第10段材料,回答第17至20题。

17. Who is Xiao Dong?A. A postgraduate student learning in the UK.B. An employee in a foreign company.C. A graduate returning from the UK.18. Why do many people with a foreign degree reject job offers in China?A. Because the work in China is too demanding.B. Because they can find better jobs abroad.C. Because of the unsatisfactory salary offered by the companies.19. What makes Xiao Dong doubt whether she made the right decision to go abroad?A. Foreign companie s don’t care much about her foreign experience or English language skills.B. Many domestic graduates can meet the language requirements of companies.C. Her major is not so good in the UK.20. What is the man’s attitude toward learning abroad?A. He thinks people should think twice before making the decision.B. He thinks people should not expect too much.C. He thinks it is still as golden as before.第二部分阅读理解(百强校英语解析团队专供)(共两节,满分40分)第一节(共15小题;每小题2分,满分30分)阅读下面短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项,并在答题卡上将该项涂黑。

ADay tripping: discover the Thames Valley by train this summerFootloose and fancy-free fun is what summer is all about and there's no better way to go on a stress-free day trip than by train. Here’s our pick of festivals and events that are an easy hop fro m London Paddington.May 26-28Blenheim Palace Food Festival Nearest station: HanboroughSink your teeth into local cheeses, slurp local ales(麦芽酒)and get inspired to cook with Oxfordshire produce at live demonstrations during this annual food festival, Better still, gather some goodies and go for a picnic within its beautiful parklands. Flowers more your thing? The。

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