湖南省长沙市长郡中学2019-2020学年高二下学期期末考试英语答案
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2019-2020学年高三第二学期段考数学试卷(理科)(3月份)
一、选择题
1.若i为虚数单位,复数z满足z(1+i)=|1﹣i|+i,则z的虚部为( )
A. B. C. D.
2.设集合A={x|<0},B={x|x≤﹣3},则集合{x/x≥1}=( )
A.A∩B B.A∪B C.(∁RA)∪(∁RB} D.(∁RA)∩(∁RB}
3.中国古代数学著作《九章算术》中有这样一个问题:“某贾人擅营,月入益功疾(注:从第2月开始,每月比前一月多入相同量的铜钱),3月入25贯,全年(按12个月计)共入510贯”,则该人12月营收贯数为( )
A.35 B.65 C.70 D.60
4.“石头、剪刀、布”,又称“猜丁壳”,是一种流传多年的猜拳游戏,起源于中国,然后传到日本、朝鲜等地,随着亚欧贸易的不断发展,它传到了欧洲,到了近代逐渐风靡世界.其游戏规则是:出拳之前双方齐喊口令,然后在话音刚落时同时出拳,握紧的拳头代表“石头”,食指和中指伸出代表“剪刀”,五指伸开代表“布”.“石头”胜“剪刀”、“剪刀”胜“布”、而“布”又胜过“石头”.若所出的拳相同,则为和局.小千和大年两位同学进行“五局三胜制”的“石头、剪刀、布”游戏比赛,则小千和大年比赛至第四局小千胜出的概率是( )
A. B. C. D.
5.已知a=log0.62,b=log20.6,c=0.62,则( )
A.a>b>c B.b>c>a C.c>b>a D.c>a>b
6.椭圆C:+=1,F1,F2是其焦点,点P是椭圆C上一点,若△F1PF2是直角三角形,则点P到x轴的距离为( )
A. B. C. D.2
7.若α为锐角,且(4cos50°﹣tan40°)tanα=1,则α=( )
A.60° B.50° C.40° D.30°
8.设等比数列{an}的前n项和为Sn,公比为q,且S3,S9,S6成等差数列,则8q3等于( )
湖南省怀化市2020-2021学年高二下学期期末考试英语试题(含答案解析)
高考真题 高考模拟
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湖南省怀化市2020-2021学年高二下学期期末考试英语试题(含答案解析)
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湖南省怀化市2020-2021学年高二下学期期末考试英语试题(含答案解析)
1 In this list, you can find some of the best parks in London.
Chiswick Gardens
Chiswick Gardens arguably inspired England’s most influential cultural export,
second perhaps to the Beatles. In the 1720s, architect and designer William Kent
experimented at Chiswick, inventing what became known as the English landscape
garden. He made the garden less formal, introducing a far more natural feel –
sweeping grassland and lakes, classical temples and monuments. The style soon became
the model for public parks across the globe. And it all started here.
Website: chiswickhouseandgardens. org. uk
Opening times: open daily, 7 a.m. — dusk
Osterley Park
七选五专题
湖南省怀化市2018-2019学年高二英语下学期期末考试试题
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。选项中有两项为多余选项。
Time management is the process of planning and controlling how much time to spend on specific
activities.Good time management allows you to complete more in a shorter period of time.36
Here is some advice on how to better manage your time.
You can make a plan.
There are many components that need to be done together to achieve success in a
project.Sometimes it is difficult not to feel stressed.The best way is to make a plan.This starts as a list of
all the tasks that are both desirable and important.Write them down.Next comes the vital step of
prioritizing(按重要性排列).37 Focus only on one item at a time:the others can wait their turn.
38
Take a long,hard look at your relationship with e-mail and social media.Although they are vital to
2024—2025第一次阶段性检测
数学
时量:120分钟 满分:150分
得分______
一、选择题:本大题共8小题,每小题5分,共40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.已知复数,则( )
A.
B.C.3D.5
2.无论为何值,直线过定点( )
A.B.C.D.
3.在平行四边形中,,,,则点的坐标为( )
A.B.C.D.
4.已知,则( )
A.
B.C.
D.
5.直线关于对称的直线方程为( )
A.B.C.D.
6.已知椭圆
:
的离心率为,则( )
A.B.
或C.8或2D.8
7.已知实数满足
,则的范围是( )
A.B.C.D.
8.已知平面上一点,若直线上存在点使,则称该直线为点的“相关直
线”,下列直线中不是点的“相关直线”的是( )
A.B.C.D.3i
1iz
z
35
234210xy
2,2
2,2
1,1
1,1
ABCD
1,2,3A
4,5,6B
0,1,2CD
5,6,1
5,8,5
5,6,1
5,8,5
π1
sin
33
π
cos2
3
7
97
92
92
9
2410xy0xy
4210xy4210xy4210xy4210xy
C22
10
4xy
m
m2
2m
22222
,xy
2
2203yxxx„„4
1y
x
2,6
,26,9
2,
4
9
,2,
4
5,0MlP
4PM
5,0M
5,0M
3yx2y430xy210xy二、选择题:本大题共3小题,每小题6分,共18分.在每小题给出的四个选项中,有多项
符合题目要求,全部选对的得6分,部分选对的得部分分,有选错的得0分.
9.已知直线:,圆:,为坐标原点,下列说法正确的是( )
A.若圆关于直线对称,则
B.点到直线
的距离的最大值为