范文一:小升初期末考试卷
小升初B期末考试卷
Name Grade
(本试卷满分115分,其中基础知识100分,附加题15分)
一、选出读音不一样的一项,并写出其音标。(每小题两分,满分20分)
week D、kid 1. ( ) A、sheep B、sea C、
2. ( ) A、busy B、read C、miss D、money 3. ( ) A、yes B、cat C、head D、leg
4. ( ) A、map B、glad C、man D、bed
5. ( ) A、bird B、banana C、early D、shirt 6. ( ) A、ruler B、ago C、letter D、third 7. ( ) A、cut B、ask C、arm D、arm 8. ( ) A、box B、teapot C、call D、watch 9. ( ) A、book B、put C、tooth D、foot 10.( ) A、there B、those C 、mouth D、together
二、单项选择题(每题1分,满分10分)
1、"What's the weather like" equals ( 相当于)
A、How is the weather like, B、How the weather? 、How is the weather ? D、How dose the weather, C
2、What's the first day of a week?( )
A、Monday B、Sunday C、Saturday D、Friday
3、I can't hear the radio! Please the radio.
A、turn on B、turn down C、turn up D、turn off
4、Tom does well in maths,but Tony in maths than me. A、does more good B、does more good C 、 does better D 、 does better at 5、A :What can you see from this picture?
B:I can see frogs in the river,and some kinds of in the river too. A、few fish B、a few fishes C、few fishes D、a few fish 6、A:Tom how about go swimming with us?
B:No thanks!I have a lot of maths to do.
A、exercise B、exercises C、questions D、problems
7、 you going to play the piano the concert(音乐会) tomorrow? A、Are at B、Will in C、Do at D、Are in
8、A:Did you meet Suhai recently(最近)?
B:Yes,I met her rainy Saturday last month.
A、on a B、in a C、at the D、at a
9、My sister is three years old,she is young go to school A、too to B、very to C、so to D、so much to
10、 Lily and Lucy going to the party tomorrow? A、Is join B、Are take part in C、Does join D、Do take part in
三、词组短语互译。(10分)
1、在星期一晚上 2、说法语
3、擅长跑步 4、要求得到
5、Bank of China 6、be as busy as a bee
7、badly比较级 8、走亲访友
9、去野餐 10、没有课
四、词汇(10分)
(A)用所给词的适当形式填空,使句意完整、正确。(5分)
1、Father's Day is on (three)Sunday of June every year. 2、My uncle likes (play)football very much.
3、The (China) girl dances very (beautiful).
4、The presents are from (their) parents.
(B)根据所给的提示,填适当的词,使句意完整、正确。(5分)
(明信片).They are for me. 1、Look at the
2、Would you like (参观) the History Museum?
3、I (摘) apples for the old woman yesterday morning.
( |ref?'ri:|) when I grow up(长大). 4、I want to be a
5、They often (help)my English and Maths.
五、根据要求完成下列句子,每空一词。(15分)
1、The blue T--shirt is Jack's .(划线部分提问)
?
2、Li Ming reads English newspapers everyday.(划线部分提问)
Li Ming English newspapers?
3、There are some toys in the box(改为否定句)
There toys in the box.
4、The station is about 6 kilometers away from our school.(划线部分提问)
is the station your school?
5、She is catching insects now.(改为一般现在时)
Sometimes she in the park.
六、完形填空(每空1分,共15分)
Nearly everybody enjoys chicken, and the most famous name in chicken is
Kentucky Fried Chicken. Mr Sanders, the man who started this ___1___ was not
always very rich. At one time, he ___2___ a small gas station next to a highway
(公路). Many truck(货车) drivers ___3___ there to get gas and take a rest. Mr
Sanders realized(意识到) they were often ___4___, so he began serving
sandwiches and coffee. ___5___ the sandwiches he made tasted good, and didn’t
___6___ too much, more and more ___7___ came to eat at his place. ___8___ Mr Sanders began to serve fried chicken. People ___9___ it very much, and his new business grew rapidly. Not long after, however, another highway was ___10___, and many drivers no longer went ___11___ Mr Sanders’ restaurant. So he had
to ___12___ it. Then he traveled around the country ___13___ to sell his idea of opening fried chicken restaurants. He ___14___. By 1967, there were almost 5000 Kentucky Fried Chicken restaurants. And now, ___15___ you go in the United States, you will see one. If you like chicken, I’m sure, you’ll enjoy eating
Kentucky Fried Chicken.
1. A. business B. shop C. life D. search .
2. A. found B. worked C. saw D. Owned(拥有)
3. A. passed B. got to C. stopped D. left
4. A. late B. hungry C. tired D. sick
5. A. Although B. If C. As D. Once(一旦)
6. A. need B. pay C. spend D. cost
7. A. Passengers(乘客) B. drivers C. students D. doctors
8. A. Then B. So C. But D. For
9. A. ate B. liked C. tried D. drank
10. A. appeared (出现)B. Found(发现) C. Built(建造) D. Broken(损坏)
11. A. out B. to C. over D. on
12. A. close B. run C. return D. take
13. A. trying B. Believing(相信) C. thinking D. Suggesting(建议)
14. A. failed B. fails C. succeeds D. succeeded
15. A. whenever B. wherever C. where D. when
七、阅读理解(满分20分)
(一)
A man was walking through(穿过) a forest. He had a few caps in his hands. In the forest there were a lot of monkeys. The day was hot, so he decided to have a rest under a tree. He put one cap on his head and lay down to sleep(躺下睡觉).
When he woke up, he couldn’t find his caps. “Where are my caps?” he cried
and looked up. He saw some monkeys in the trees. Each had a cap on its head.
“Give me back my caps!” shouted(叫喊) the man to the monkeys. But the
monkeys didn’t understand(理解) him. They only jumped, laughed and danced.
“How can I get back my caps?” he thought hard. In the end he had an idea. He took off his cap and threw(扔) it on the ground. The little animals did the same thing. Happily the man picked up all the caps and went on his way.
( )1.One day a man was going __________.
A.to the forest B. through the forest
C.to a village D. through the city
( )2.The man decided to have a rest because _________.
A.he was hungry B.he was tired
C.the day was hot D.he was ill
( )3.When the man woke up____________.
A.he found his caps were gone B.he saw a fox
C.he had a fever D.he found many monkeys
( )4.The man wanted to get his caps back, and he shouted to the monkeys,but
t work. Why? it didn’
A. Because the monkeys wanted to laugh at him.
B. Because the monkeys wanted to wear the caps.
C. Because the monkeys didn’t understand him.
D. Because the monkeys didn’t hear what he shouted.
( )5.The man was ______when he got all his caps back.
A. angry(生气的)B.surprised(惊奇的)
C.sad(悲伤的) D.pleased(高兴的)
(二)
Do you know there are two kinds of football games? One is American football, and the other is soccer. In China many young men like playing soccer. It is very popular. But the Chinese don’t call it soccer. We call it football. There are eleven players on a team. And the ball is round. Only the goalkeeper can touch the ball with his hands. The other players can’t touch the ball with their hands.
In American, soccer is not very popular. They like playing American football. It is very different. The ball is not round. It likes a big egg. There are also eleven players on a team. All the players can touch the ball with feet and hands. ( )1. How many kinds of football games are there?
A. Three B. Two C. Four
( )2. Do the Chinese like playing soccer?
A. Yes, they do. B. No. they don’t. C. Yes, I do.
( )3. What do the American people like very much?
A. playing American football. B. Playing soccer.
C. Watching TV.
( )4. How many players are there on a soccer team?
A. Eight . B. twenty-two. C. Eleven
( )5. Who can touch the ball with his hands in American football? A. Only the goalkeeper B. Some of the players C. All the players
( 三)
Last Sunday was a funny day. Liu Tao came to my home in the morning. We studied English together. We read some funny English stories. At about ten o’
clock, we went to Chennan Park on foot. And we fished there. It was very interesting. We cooked lunch at about 12 o’clock and it was very nice. Then we
cleaned the kitchen. We watched TV after lunch. At about 4 o’clock in the
afternoon, we played pingpong.
( )1. Mike watched TV ________________.
A. in the morning B. in the afternoon C. in the evening ( )2. Mike and Liu Tao went fishing __________.
A. at home B. in Chennan Park C. at school ( )3. They went to the park _____________.
A. on foot B. by bus C. by bike ( )4. This afternoon they also ______________.
A. played football. B. played basketball. C. played table tennis. ( )5. Who cooked lunch? ____________.
A. Mike. B. Mike and Liu Tao. C. Mike’s mother.
(四)
Mr Black works on a farm. He and his wife grow a lot of plants and they have
some cows. Every day they work hard from morning to night. One day, Mr Black says to his wife ,“Let’s go to Portsmouth next Sunday. We can have a good lunch there and then we can go to the cinema.”
His wife is very happy when she hears this, because they always eat a lot, and she
doesn’t like cooking three times a day.
They go to Portsmouth by train and walk about for an hour(小时). At 12 o’clock,
they want to have lunch. In front of one restaurant(饭店), they see a notice. It says, “Lunch: 12:30 to 2:30 1.5 pounds.”
We can eat for two hours for 1.5 “Well, that’s good.” Mrs Black says, “
pounds here! This is the place for us.”
( ) 1.There are a lot of _____ on their farm.
A. plants B. dogs C. cows D. Both A and C ( ) 2. _____usually does the cooking at home.
A. Mr Black B. Mrs Black
C. Neither A and B D. Both A and B
( ) 3. Mr Black and Mrs Black walk about in Portsmouth for _____.
A. two hours B. three hours
C. one hour D. four hours
( ) 4. At_____ o’clock, they want to have lunch.
A. two B. twelve
C. twenty D. one
( ) 5. Portsmouth is the name of a _____.
A. place B. dogs
C. man D. restaurant
八、附加题(15分)
1. When someone asks you to give him a hand, he wants you to () .
A. shake hands B. hold his hand C. help him D. play cards
2. What stands in the middle of the world?
3. After a game Jack is black and blue. what’s the meaning of “black and blue”?
( ) A. 青一块,紫一块 B.黑色和蓝色 C.黑白分明
D.不知去向
4. What has roots as nobody sees; It’s taller than trees; Up, up it goes; And yet never grows? It’s a
5. Which is heavier(哪个更重), a kilo of cotton(棉花) or a kilo of tomatoes?
(Answer in Chinese.)
6. Brown has two black cats, three white one and two black and white ones. How many cats has she in all?( )
A. Six B. Five C. Eight D. Seven 7. If two cats are in front of a cat, and two cats are behind a cat, and one cat is in
the middle, how many cats are there?( )
A. Three B. Four C. Five D. Ten
8. What fruit is never found singly(一个一个地,单独地),
9. What can you see with your eyes shut?
10. How long does it take the Earth(地球) to turn once on its axis(轴)?( )
A. 12 hours B. 2 hours C. 24 hours D. 5 days
11. He is in the pen. He regretted having done that (悔不当初). 句中划线部分汉
语意思为
12. Take 4 letters from CHOCOLATE to make something we wear. (从
CHOCOLATE中选出4个字母组成一个表示服装的词。)
13. What does “black sheep” mean? (可用中文)
14. Is a whale a mammal(哺乳动物) or a fish? 15. Some letters have been omitted (遗漏) from this alphabet. Use the missing
letters to form (构成) the name of a city in America.
A B C D F G H I J L M P Q S T U V X Z
范文二:小升初语文期末考试卷
小升初语文期末考试卷
小升初语文期末考试卷
一、按要求改写句子。
(1)把句子改成反问句。
1、我们不会忘记党的恩情。
2、人类需要勇于实践的人。
3、这个故事使我感动得流泪。
4、可爱的小女孩是我的好朋友。
5、这比山高比海深的情谊~我们不会忘记。
6、坡度这么大~火车爬不上去。
(2)把句子改为陈述句。
1、 李大钊同志对革命事业充满信心~怎么会惧怕反动军阀?
2、他呀!都老头子了~还订这些东西干什么呀?
3、十万支箭~三天怎么造得成?
4、都是你自己找的~我怎么帮得了你的忙?
5、那浪花所奏的不正是一首欢乐的歌吗?
6、我们怎能忘记老师的谆谆教导?
7、居里夫人只要在专利书上签个字~所有的困难不是都可以解决了吗?
(3)扩写句子。
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例:崭新的机器日夜不停地制造零件。
1、喜讯 传到学校。
2、列车 穿过山谷。
3、春风 吹遍大地。
4 、人们 挥舞着鲜花。
5、爸爸是工人。
6、我制订学习计划。
7、柳条拂动着水面。
(4)缩写句子。
1、詹天佑是我国杰出的爱国工程师。
2、洪亮的钟声在天空中经久不息地回响。
3、敬爱的**无微不至地关怀着年轻的战士。
4、吴国的都督周瑜十分妒忌很有才干的诸葛亮。
5、银色的雪光照着一望无际的大草原。
6、夏天~老人们都爱到河边的树阴下钓鱼。
7、时光老人给我们的礼物是珍贵的。
(5)改直接引语为间接引语。
1、赵王告诉蔺相如说:“你要带着宝玉到秦国。”
2、刘萍告诉老师:“这次的中队会由我来主持。”
3、武松道:“这可奇怪了!你如何不肯卖酒给我吃?”
4、蔺相如说:“秦王我都不怕~会怕廉将军吗?”
5、她深有感触地说:“我小时侯总是羞羞答答的。”
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(6)把句子该为“把”字句。
1、哨棒被武松赶紧丢在一边。
2、每天~教室被同学们打扫得干干净净。
3、小华拿走了语文课本。
4、蔺相如击败了秦王。
5、蔺相如以国家利益为重的言行感动了廉颇。
(7)把句子该为“被”字句。
1、蔺相如击败了秦王。
2、蔺相如以国家利益为重的言行感动了廉颇
2、诸葛亮借来了十万支箭。
3、武松终于把那只凶猛的大虫打死了。
4、他很快就把从破船上搬下来的食物吃光了。
5、刘胡兰的动人事迹深深感动我们。
(8)综合练习。
1、厚厚的松脂在阳光下发出金色的光彩。(缩句)
2、同学们回答问题。(扩句)
3、蔺相如对赵王说:“我愿意带和氏璧到秦国去。”(换成间接引语)
4、马的后蹄踏着一只飞燕。(换成“被”字句)
5、外公对小英说:“我告诉你~这是中国最有名的花。”(间接引语)
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范文三:小升初数学期末考试题
小升初数学期末考试
数学试题
姓名: 考试时间:120分钟 总分:100分 亲爱的同学们,学期末的智慧之旅就要开始了~只要你一路仔细、认真地分
析每一道题,你一定能获得一次难忘的旅途记忆。准备好了吗,我们出发喽~
一、填空题:(26分)
,31。如果水位上升3记作,那么水位下降5记作 。 mmm
22。,的相反数是 ,绝对值是 。 3
321,20,3。比较大小: ; , 。 ,332
3526,(,14),4。计算:(1) ; (2) ; (,),(,),44
0,(,6),8,(,2), (3) ; (4) ;
5(,16),(,2), (5) ; (6) 。 ,(,18),36
,35。在数轴上表示2的点与表示的点之间的距离为 。
,26。的倒数是 。
3
3,,7。的底数是 ,结果是 ; ,,,
2,,
4
2,,的底数是 ,指数是 ,结果是 。 ,,,
3,,
212,,,2,8。有理数,,,从小到大的顺序是 。 (,2)22
2b,b,3,09。若,则 。 ,2,(a,1)a
b,b,610。已知,则 。
:::,7CCC11。某天早晨的气温是,中午上升了11,则中午的气温是 。
112。计算: 。 2,2,(3,),3
,313。在数轴上,点A表示,从A点出发,沿数轴向右移动5个单位长度,到达点B,
则点B所表示的数是 。
3b14。当和互为倒数,和互为相反数时,则 。 m,n,ab,amn2
15。观察下面依次排列的一列数:
,124,3,56,78,9 ,,,,,,,,……按此规律,第2009个数是 。 二、选择题:(24分)
1。下列说法正确的是( )
A。整数和分数统称为有理数。 B。0是最小的有理数。
C。符号不相同的两个数一定互为相反数。 D。正数与正数的差是正数。
2。下列各组数中,相等的是( )
,(,3)(,3),(,3),(,3) A。和 B。和
,(,3),(,3),,3,3C。和 D。和
b3。,两数的位置如图所示: a
b0 a
下列结论成立的是( )
ab,0a,0b,0a,0b,0 A。 B。, C。, D。以上都有可能
120,x,14。如果,则,,和的大小比较正确的是( ) xxx
11112222 A。xxx B。 C。 D。 ,,,,x,,,,xxxxxxxx
,55。若火箭发射点火前5记为,那么火箭点火后10应记为( ) sss
,10,5,5,10 A。 B。 C。 D。 ssss
,14,286。减去一个数,结果是,那么这个数是( )
14,14,4242 A。 B。 C。 D。
33,7。与的关系是( ) (,2)2
A。相等 B。互为相反数 C。互为倒数 D。和为16
212,(,3)0,38。在有理数,,,,,中,负数的个数是( ) ,(,2),33
A。0个 B。1个 C。2个 D。3个 9。下列运算正确的是( )
111,(,4),(,4),1 A。 B。 (,5),(,1),(,5),,5,(,1)55
111,(,4),(,4),1C。 D。 (,3),4,,(,3),,433
x,0x,(,x),10。若,则( )
02x,2x A。 B。 C。 D。 x
11。绝对值小于2.5的整数有( )
A。3个 B。4个 C。5个 D。6个
b,9ba,b,a,512。若,,且,异号,则( ) a
144,14,4 A。 B。 C。 D。 三、解答题:(50分)
1。计算:
11(,3),40,(,32),(,8)(1)。 (2)。 (,2),(,),(,3),(,)22
200912。计算: (,0.1),,(,100),(,1)2
252,,3。计算: ,,,,,,,0.8,1,,(1),53,,
3
1,,324。计算: ,,,,,,,,2(4)10,(2)10,,
2,,
,10%,430.031210,705。把下列各数: , , , , , ,
12146.9,6.3,5,,2, , , , , 。 5132
填入它所属于的集合内:
正数集合:, ,;负数集合:, ,;
整数集合:, ,;负分数集合:, ,
非正数集合:, ,。
6。画出数轴,并用数轴上的点表示下列各数:
351,5,33, , , , , , 。 22
:,1C7。一天,小红与小莉利用温差量山峰的高度,小红在山顶测得温度是,小莉此时在
::5C0.8C山脚测得温度是。已知该地区高度每增加100米,气温大约降低,这个山峰
的高度大约是多少米,
1ba,ba,ba,38。已知,是,的相反数,试求:(1)的值;(2)的值。 2
a,2bb,9。规定“*”表示一种运算,若*。 aab
14试求:(1)*; 2
35(2)*。
范文四:小升初数学期末考试
小新星教育小升初数学期末考试
总分:120分 考试时间:90分钟 姓名:
一、选择题(3’×10=30’)
111的相反数是( ) A.2 B.-2 C. D.- 222
11( )2、下列式子正确的是( ) A.-0.1>-0.01 B.—1>0 C. < D.-5<3 23( )1、-
( )3、多项式xy2+xy+1是( )
A.二次二项式 B.二次三项式 C.三次二项式 D.三次三项式 ( )4、数a,b在数轴上的位置如左图所示,则a+b是( )
A.正数 B.零 C.负数 D.都有可能
( )5、设a是最大的负整数,b是绝对值最小的有理数,a,b A.-1 B.0 C.1 D.( )6、x的5倍与y的差的代数式是( )
A.5x-y B.5(x-y) C.x-5y D.x5-y ( )7、一件夹克衫先按成本提高50%标价,再以8折(标价的80%)出售,结果获 利28元,若设这件夹克衫的成本 是x元,根据题意,可得到的方程是( )
A.(1+50%)x×80%=x-28 B.(1+50%)x×80%=x+28 C.(1+50%x)=x+28 ( )8、把两块三角板按如图所示那样拼在一起,则∠ABC等于( A.70° B.90° C.105° D.120°
( )9、有一组数据:2,5,7,2,3,3,6,下列结论错误的是( )
A.平均数为4 B.中位数为3 C.众数为2 D.极差是5
( )10、下列各图中,可以是一个正方体的平面展开图的是( )
二、填空题(1.5’×10=15’)
1、单项式-12xy的系数是_______,次数是_______。 2
2、若x=2是方程8-2x=ax的解,则a=________。
3、若|x-3|与(y+2)2互为相反数,则x+y+3的值是_________。
4、体育委员带了500元钱去买体育用品,已知一个足球a元,一个篮球b元。那么买3个足球,2个篮球还剩_________钱。
5、在公式S=1(a+b)h中,已知S=16,a=3,h=4,则b=_________。 2
6、若方程2xm+1+3=5是一元一次方程,则m=_________。
7、在直角三角形中,两锐角的角平分线所夹的钝角是_________度。
8、某天的最低气温是-2℃,最高气温是10℃,则这天气温的极差为________℃。
9、掷一枚普通的正六面体骰子,出现向上一面点数是2的概率是_________。
三、计算题(15’+15’=30’)
1、能简算的要简算(5’×3=15’)
(1) (-1)3-
1114×[2-(-3)2] (2) -10-8÷(-2)×(-0.5) (3) (+-)×(-30) 4235
2、解方程(5’×3=15’) (1)
5x?12x?13x?52x?1?-=1 (2) 3(x-7)-5(x-4) =15 (3) 3623
四、解答题(8’×3=24’)
1、一个角的余角比这个角的1少30°,请你计算出这个角的大小。 2
2、已知线段AB=8cm,在直线AB 上有一点C,且BC=5cm,M为线段AC的中点,求线段AM的长?
3、下图是由几个相同的小正方体搭成的一个几何体,请画出该几何体的三视图。
五、应用题(7’×3=21’)
1、某商店在某一时间以每件60元的价格卖出两件衣服,其中一件盈利25﹪,另一件亏损25﹪,卖这两件衣服总的是盈利还是亏损,或是不盈不亏?
2、甲、乙两站相距480公里,一列慢车从甲站开出,每小时行90公里,一列快车从乙站开出,每小时行140公里。慢车先开出1小时,快车再开。两车相向而行。问快车开出多少小时后两车相遇?
3、一件工作,甲单独做要20小时完成,乙单独做需要12小时完成,丙单独做15小时完成,若先由甲、丙合做5小时,剩下的由甲、乙合做,问还需几小时完成?
范文五:高二上数学期末考试卷
高二上泉师班数学期末考试卷
满分:100分 考试时间:90分钟
姓名:座号:
一、选择题(每小题 3分,共 36分)
1. 已知过两点 A (-1, 1), B (4, a )的直线斜率为 1,那么 a 的值是() A . -6 B . -4 C . 4 D . 6
2. 已知 A (1, 2), B (-1, 0), C (3, a )三点在同一条直线上,则 a=() A . -2 B . 4 C . -4 D . 2
3. 已知直线 ax+2y+2=0与 3x-y-2=0平行,则系数 a=()
A . -3 B . -6 C . 3 D . 6
4. 两条直线 x+y+1=0和 x-y+1=0的交点坐标是()
A .(-1, 0) B .(0, -1) C .(1, 1) D .(-1, -1) 5. 圆心为(1, 1)且过原点的圆的方程是()
A .(x-1) 2+(y-1) 2=1 B .(x+1) 2+(y+1) 2=1
C .(x+1) 2+(y+1) 2=2 D .(x-1) 2+(y-1) 2=2
6. 过点(5, 3)且与直线 x-2y-2=0垂直的直线方程是()
A . x+2y-11=0 B . 2x+y-13=0 C . 2x-y-7=0 D . x-2y+1=0 7. 在 x , y 轴上截距分别是 -3, 4的直线方程是()
A . 4x-3y-1=0 B . 4x-3y+1=0 C . 4x+3y-12=0 D . 4x-3y+12=0 8. 斜率为 3,在 y 轴上的截距为 4的直线方程是()
A . 3x-y+4=0 B . x-3y-12=0 C . 3x-y-4=0 D . 3x-y-12=0 9. 经过圆(x-2) 2+y2=1的圆心且与直线 2x-y+1=0平行的直线方程是() A . 2x-y-4=0 B . 2x-y+4=0 C . x+2y-2=0 D . x+2y+2=0
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10. 若直线 l 1:2x+(m+1) y+4=0与直线 l 2:mx+3y-2=0平行,则 m=() A . -2 B . -3 C . 2或 -3 D . -2或 -3
11. 直线 3x+4y=b与圆 x 2+y2-2x-2y+1=0相切,则 b=()
A . -2或 12 B . 2或 -12 C . -2或 -12 D . 2或 12
12. 圆 x 2+y2=1上的点到直线 3x+4y-25=0的距离的最小值是()
A . 6 B . 4 C . 5 D . 1
二、填空题(每小题 3分,共 18分)
14. 过 点 A (-1, 0) 且 与 直 线 2x-y+1=0平 行 的 直
线 方 程
16.
18. 若
a 2+b2=4c2(c≠0),则圆 O :x 2+y2=1的圆心到直线 l :ax+by+c=0的距离
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高二上泉师班数学期末考答题卷
一、选择题(每题 3分,共 36分)
二、填空题(每题 3分, 18分)
13、 14、 15、 16、 17、
18、
三、解答题(共 46分)
19. 直线 y=2x+4与 x 轴和 y 轴分别交于 A 、 B 两点,求:(1) AB 的中点坐标; (2)直线与坐标轴围成的直角三角形的面积 . (6分)
20. 求斜率为 2,并且与圆 x 2+y2-2y-4=0相切的直线方程 . (8分)
21. 求 经 过 两 条 直 线 4310
x y
+-=和 210
x y
++=的 交 点 , 且 垂 直 于 直 线 210
x y
--=的直线方程 . (10分)
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22. 求点(2,5)关于直线 x+y+1=0的对称点坐标 . (10分)
23. 已知两条直线 l 1:x+mx+6=0, l 2:(m-2)x+3y+2m=0,问:当 m 为何值时, l 1与 l 2:(1)相交;(2)平行;(3)重合 . (12分)
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