2019-2020学年(上)期末厦门市初三年质量检测
英语
本试卷共10页,满分150分
考生注意:
本试卷分为两大部分,第一部分(1-47小题)为选择题,请考生将答案用2B铅笔填涂在答题卡上;第二部分为非选择题,请考生将答案用0.5毫米的黑色签字笔书写在答题卡上。
第一部分(选择题)
Ⅰ.听音理解(共三节,20小题,每小题1.5分,满分30分)
第一节听句子听下面五个句子,从每小题所给的三幅图中选出与句子内容相符的选项(每个句子读两遍)
1.
A B C
2.
A B
C
3.
A B C
4.
A B
C
5
A B C
第二节听对话听下面七段对话,从每小题所给的A、B、C三个选项中选出正确答案(每段对话读两遍)
听第1段对话,回答第6小题。
6.Who is the boy?
A.Bob.
B. Jack.
C. Mike
听第2段对话,回答第7小题。
7.Whose schoolbag is this?
A. Alan’s
B. Eric’s
C. Helen’s
听第3段对话,回答第8小题。
8. What’s Amy’s ID number?
A. 19071258
B. 19071528
C. 19071852
听第4段对话,回答第9小题。
9. Where is Paul’s CD?
A. In the CD player.
B. On the desk. C Under the books.
听第5段对话,回答第10、11小题。
10. What does Cindy think of playing volleyball?
A. Cool.
B. Boring.
C. Difficult.
11. What will they do next?
A. Play volleyball.
B. Play basketball.
C. Play ping-pong.
听第6段对话,回答第12、13小题。
12. Where are they talking?
A. In a bookstore.
B. In a clothes store.
C. In a toy store.
13. How much will the woman pay (付)?
A. 25 dollars.
B. 40 dollars.
C. 65 dollars.
听第7段对话,回答第14、15小题。
14. What does Amy think of science?
A. Interesting but difficult.
B. Useful but boring.
C. Difficult but useful.
15. What say does Jack like best?
A. Monday.
B. Tuesday.
C. Wednesday.
注意:请将该题的答案书写在答题卡的第二部分
第三节听短文根据所听到的对话内容及要求完成表格,每空一词。(读三遍)
Host Family Applicant (申请)
Name Bill Miller Age48.______ years old
Dream A(n)49._____ player Eating
habits
Dinner:
50.______with chicken
Favorite
subject
51.________Date(日期)In 52.________
Ⅱ. 语言知识应用(共两节,20小题,每小题1.5分,满分30分)
第一节单项选择从每小题所给的A、B、C三个选项中,选出可以填入空白处的正确答案(每小题1分,满分15分)
16. Hello, everyone. Welcome to ______ school.
A. your
B. our
C. their
17. —I read for an hour every day.
—It’s a good ______. Reading makes a full man.
A.game
B. lesson
C. habit
18.—I can’t ______ my ID card.
—Is it in your schoolbag?
A.take
B. fine
C. lose
19.The T-shirt is too small for me. Please give me a ______ one.
A.black
B. big
C. cool
20.—Mom, how do you spell “geography”?
—Find a ______. It can help you a lot.
A.map
B. pencil
C. dictionary
21.My family want to ______ a military parade(阅兵) on TV tonight.
A.watch
B. meet
C. have
22.To keep healthy, we had better(最好) often ______.
A.play sports
B. buy clothes
C. ask question
23.—Do you know ______ the Palance Museum is?
—It is 600 years old this year.
A.how much
B. how many
C. how old
24.—do you like the song My Motherland and Me?
—Because it sounds really beautiful.
A.When
B. Why
C. How
25.Clothes in the store are ______ very good prices on Black Friday.
A.in
B. on
C. at
26.—Here is a model car in our room. For me or for my brother?
—It’s ______, Mike. Happy Birthday!
A.you
B. your
C. yours
27.—It’s nice of you to help me. Thank you very much.
—______.
A.Sounds great
B. All right
C. You’re welcome
28.—May I have a look at your new photo?
—OK. ______.
A.Let’s go
B. Here you are
C. See you
29.—Do you help Tony with his math?
—______. We are brothers.
A.That’s for sure
B. Excuse me
C. Sorry, I don’t
第二节完形填空每小题所给A、B、C三个选项中,选出可以填入空白处的最佳答案(每小题1.5分,满分9分)
You live with your family in the same house. You share(分
享) many 30 and things with them. They see you with
messy hair in the morning, hear you sing in the shower,
sometimes smell your stinky socks! 31 you still need to
have good manners(礼貌) with your family. They can make
everyone in your family 32 .
If(如果) you want something, you need to ask for it nicely. Use “Please”
and “May I” more. Thank your brother33 his homework help. And
he’ll help you next time. When Mom or Dad makes dinner, 34
“May I wash tomatoes for salad?” Your help makes it a little easier for
the cook. After dinner, always remember to thank Mom or Dad, they
do their best to make a 35 dinner for the family.
With good manners, your family will see you are thankful for all that they do. Your home will be a good place to be.
30.A. Rooms B. clothes C. trips
31.A. Or B. But C. And
32.A. busy B. right C. happy
33.A. of B. for C. in
34.A. speak B. tell C. ask
35.A. healthy B. small C. tidy
Ⅲ.阅读理解(共两节,16小题,每小题2分,满分32分)
第一节阅读以下A、B、C、D四篇短文,根据短文内容,从题中所给A、B、C、D四个选项中,选出最佳答案(每小题2分,满分40分)
A
Come on! Want to read about me losing my shoes? I’m Nina M. It was March 9, 2019. My friend Lindsey came over to play. She liked my shoes, and I liked hers, so we traded(交换). Then we played hide-and-seek for hours. It was great fun. When it was time for her to go home, I said goodbye. The next morning my shoes were gone! I was as sad as a mother whose child is lost. Man, where could they be? I looked all over my room, but I just found an old piece of pizza. Ewwwww!
After that, I looked through the living room. But I only found a dirty sock and an old map. Next, I looked in the car but all I found was an old box and 6 watches. I looked and thought where they could be.
Finally, I remembered trading shoes with Lindsey. Then I went to her house and asked for my shoes back. I was as relieved as a mother whose child has been found. I cleaned my shoes all day and until they looked like new.
When I dressed for school the next day, I happily put on my blue shoes. I reached for my schoolbag but ... OH NO! WHERE’S MY SCHOOLBAG???
36.Lindsey came to Nina’s home to ______.
A.read books
B. trade shoes
C. play games
37.Nina found her shoes ______.
A.In the living room
B. in Lindsey’s house
C. in the car
38.The underlined sentence “I was as relieved as a mother whose child has been found”probably means the writer was ______.
A.relaxed
B. bored
C. interested
39.According to the passage, Nina ______ the next day.
A.bought a pair of new shows
B. had to look for her school
C. was late for school
B
BLUEBELL PRIMARY SCHOOL NOTICE
29th October 2019 Dear Parents,
Primary 3 students will go on a one-day trip at Stanley Holiday Village on 14th November 2019(Saturday).
Here is the trip timetable:
8:00 a.m Meet at school
8:15 a.m Go to Stanley Holiday Village
9:30 p.m Visit the village
12:30 p.m Have lunch
3:00 p.m Go back to school
4:00 p.m Leave(离开)school
Students should remember the following:
★They should wear their sports shoes.
★They should bring food, water, and hates.
★They should NOT bring their phones.
Please sign(签名) the reply slip and give it back to your child’s class teacher before 4th November.
Please call Mr Danny Chow at 2980 8910 if you have any questions.
Thank you.
Wayne Swan
Reply slip
My child,__________, will/ will not to go the trip.
Thank you.
Parent’s signature:
Date: 1st November 2019
40.The one-day trip is on ______.
A.29th October
B. 1st November
C. 14th November
41.The students leave the village at ______.
A.12:30 p.m
B. 3:00 p.m
C. 4:00 p.m
42.Wayne Swan is probably ______.
A.a student
B. a parent
C. a teacher
43.This school notice is written mainly to ______.
A.let me parents know a school trip
B.ask students to bring food and water
C.ask the students to call Mr. Chow
C
Your family members are your relatives. You can have many
relatives. Grandparents, parents, brothers, sisters, aunts, uncles, and cousins are all relatives.
The parents of your mother and father are your grandparents. You have two grandfathers. One is your father’s father. He is called your paternal grandfather. The other is your mother’s father. He is called your maternal grandfather. And you have two grandmothers, too. One is your paternal grandmother, and the other is your maternal grandmother. And many people don’t get to know their great-grandparents.
Great-grandparents are the parents pf your grandparents.
If your mother of father has brothers, these brothers are called your uncles. If your uncle is married(结婚), his wife(妻子) is called your aunt. If your mother or father has sister, these sisters are also called your aunts. If your aunt is married, her husband(丈夫) is called your uncle.
If your aunts and uncles have children, these children are your cousins. If your older brother or sister has children, you are an aunt or uncle to their children. If the children are boys, they are your nephews. If the children are girls, they are your nieces.
Many people study the history of their family. They show the family history on a diagram called a family tree.
44.Your ________ are your relatives.
A.friends and sisters
B. parents and uncles
C. teachers and classmates
45.Your paternal grandmother is ________.
A.Your father’s mother
B. your mother’s mother
C. your great-grandmother
46.If Jack’s father has a brother and Jack’s mother has two married sisters, how many uncles does Jack have?
A.One
B. Two
C. Three
47.Your niece could be your ________.
A.uncle’s child
B. brother’s son
C. sister’s daughter
第二部分(非选择题)
第二节阅读D篇短文,根据短文内容及要求完成各题(每小题2分,满分8分)
D
People in Canada can taste a new hamburger at McDonald’s now. The hamburger looks the same as a normal(普通) burger. It has a meat patty and some vegetables. But the “meat”doesn’t come from animals like pigs or cows. Scientists made it with plants.
What does the “meat” have inside?
The “meat” has more than 20 ingredienets(成分). The main ingredient is pea protein(豆蛋白). It makes the “meat” taste like real meat. Other ingredients are potato starch, coconut
oil(椰子油) and salt.
How does it taste?
The “meat” is juicy(多汁的) and tastes like beef. But it is a bit softer than beef.
Healthy “meat”
It is good for your health because it doesn’t have a lot of oil.
It is good for the environment(环境). Animals make greenhouse gases(温室气体). But plants don’t.
53.Where does the “meat” in the new hamburger come from?
________________________________________________________________
54.What makes the “meat” taste like meat?
________________________________________________________________
55.将划线句子翻译成中文。
________________________________________________________________
56.Why is the “meat” good for environment?
________________________________________________________________
IV. 书面表达(共五节,满分58分)
第一节连词成句重新排列所给词汇,组成正确的句式表达(每小题2分,满分10分)57. eraser, your, what, is, color
________________________________________________________________ 58. want, don’t, I, to, fat, be
________________________________________________________________ 59.desk, set, the, of, is, keys, on, a
________________________________________________________________ 60.your, dinner, does, vegetables, grandmother, for, like
________________________________________________________________ 61.interesting, have, us, some, the, party, at, for, they, things
________________________________________________________________
第二节完成句子根据语用提示,完成句子(每小题2分,满分10分)
62. 早上遇见Ms. Wu,你跟她打招呼,你可以这么说:
________________________________________________________________ 63. 爸爸想知道学校开放日在什么时候,他可以这么问:
________________________________________________________________ 64.Frank告诉你期末考后他要去哈尔滨度假,你可以这么祝福他:
________________________________________________________________ 65.你们遇到了难题,班长建议向老师求助,他可以这么说:
________________________________________________________________ 66.家庭聚会即将来临,妈妈建议大家考虑一下吃什么,她可以这么说:
Let’s ___________________________________________________________
第三节补全句子根据语境或具体提示,补全句子(每小题1.5分,满分15分)
67. Many _______ (star) attended(出席) the Film Festival in Xiamen.
68. Fujian is a great place with a long _______ ['h?stri].
69. Mary _______ (need) a skirt for the party.
70. Ne Zha has a good friend, and his n is Ao Bing.
71. We must _______(do) our homework every day.
72. The w is our music teacher. She is kind to us.
73. October 1 this year is the (seventy) birthday of China.
74. Kipchoge is the first man to _______ ['f?n??] the marathon in 1:59:40.
75. Mr. Green has many things to do. He is very _______ every day.
76. _______ [w?e]5G, we can have live broadcast classes(直播间) at home easily.
第四节看图写句根据所给的图片和提示词,写出正确的句式表达(每小题2分,满分8分)
77.it, white 78. Bob, have 79. like, useful 80. Kate, tidy
第五节段落编写使用所给词语,编写一个意义相对完整的语段(满分15分)提示词:play, interesting, day, because, like
要求:1. 使用全部提示词,并在语段中用下划波浪线“”标出提示词;
2.语段具有一个相对合理的主题意义;
3.词数为50--80词左右。
___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________
试题结束,请认真检查!
2018-2019学年(上)厦门市九年级质量检测 数 学 (测试时间:120分钟 满分:150分) 一.选择题(共10小题,每题4分,共40分) 1.计算-5+6,结果正确的是 A. 1 B. -1 C. 11 D.-11 2.如图1,在△ABC 中,∠C=90°,则下列结论正确的是 A. AB=AC+BC B.AB=AC ·BC C.AB 2=AC 2+BC 2 D.AC 2=AB 2+BC 2 3.抛物线6)1(22--=x y 的对称轴是 A. x=-6 B. x=-1 C. x=0.5 D.x=1 4.要使分式1 1-x 有意义,x 的取值范围是 A.x ≠0 B.x ≠1 C. x >-1 D. x >-1 5.下列事件是随机事件的是 A.画一个三角形,其内角和是360° B.投掷一枚正六面体骰子,朝上一面的点数小于7 C.射击运动员射击一次,命中靶心 D.在只装了红球的不透明袋子里,摸出黑球 6.图2,图3分别是某厂机床十月份第一天和第二天生产零件的 统计图,与第一天相比,第二天六台机床生产零件平均数与方差 的变化情况是 A.平均数变大,方差不变 B.平均数变小,方差不变 C.平均数不变,方差不小 D.平均数不变,方差变大 7.地面上一个小球被推开后笔直前行,滑行距离s 与时间t 的函数关系 如图中部分抛物线所示(p 点为抛物线的顶点),则下列说法正确的是 A.小球滑行6秒停止 B.小球滑行12秒停止 C.小球滑行6秒滑到起点 D.小球滑行12秒滑到起点 8.在平面直角坐标系xOy 中,已知A (2,0),B (1,-1),将线段OA 绕O 点逆时针旋转,旋转角为α(0°<α<135°),记点A 的对应点为A1,若点A1与B 的距离为6,则α为 A. 30° B.45° C. 60° D.90°
2019年厦门市初中毕业班教学质量检测数学试题2019.5.6.18.06 一、选择题(本大题有10小题,每小题4分,共40分) 1.计算(-1)3,结果正确的是 A.-3 B.-1 C.1 D.3 2.如图,在△ABC中,∠C=90°,则 AB BC等于 A. sinA B. sinB C. tanA D. tanB 3.在平面直角坐标系中,若点A在第一象限,则点A关于原点的中心对称点在 A.第一象限 B.第二象限 C.第三象限 D.第四象限 4.若n是有理数,则n的值可以是 A.-1 B. 2.5 C.8 D.9 5.如图,AD、CE是△ABC的高,过点A作AF∥BC 的长可表示图中两条平行线之间的距离的是 A.AB B. AD C. CE D. AC 6.命题:直角三角形的一条直角边与以另一条直角边为直径的圆相切. 符合该命题的图形是
7.若方程(x -m )(x -a )=0(m ≠0)的根是x 1=x 2=m ,则下列结论正确的是 A.a=m 且a 是该方程的根 B.a =0且a 是该方程的根 C.a=m 但a 不是该方程的根 D.a=0但a 不是该方程的根 8.一个不透明盒子里装有a 只白球b 只黑球、c 只红球,这些球仅颜色不同.从中随机摸出一 只球,若P (摸出白球)= 3 1 ,则下列结论正确的是 A. a =1 B. a =3 C. a = b =c D. a =2 1(b+c ) 9.已知菱形ABCD 与线段AE ,且AE 与AB 重合. 现将线段AE 绕点A 逆时针旋转180°,在 旋转过程中,若不考虑点E 与点B 重合的情形,点E 还有三次落在菱形ABCD 的边上,设 ∠B =α,则下列结论正确的是 A.0°<α<60° B. α=60° C.60°<α<90° D.90°<α<180° 10.已知二次函数y =-3x 2+2x +1的图象经过点A (α,y 1),B (b ,y 2),C (c ,y 3),其中a 、b 、c 均大于0. 记点A 、B 、C 到该二次函数的对称轴的距离分别为d A 、d B 、d C . 若d A <2 1 < d B < d C , 则下列结论正确的是 A.当a ≤x ≤b 时,y 随着x 的增大而增大 B.当a ≤x ≤c 时,y 随着x 的增大而增大
2019—2019学年(上)厦门市九年级质量检测 数 学 (试卷满分:150分 考试时间:120分钟) 准考证号 姓名 座位号 注意事项: 1.全卷三大题,27小题,试卷共4页,另有答题卡. 2.答案必须写在答题卡上,否则不能得分. 3.可以直接使用2B 铅笔作图. 一、选择题(本大题有10小题,每小题4分,共40分.每小题都有四个选项,其中有且只有一个选项正确) 1. 下列事件中,属于必然事件的是 A .任意画一个三角形,其内角和是180° B .某射击运动员射击一次,命中靶心 C .在只装了红球的袋子中摸到白球 D .掷一枚质地均匀的正方体骰子,向上的一面点数是3 2. 在下列图形中,属于中心对称图形的是 A . 锐角三角形 B . 直角三角形 C . 钝角三角形 D . 平行四边形 3.二次函数y =(x -2)2+5的最小值是 A . 2 B . -2 C . 5 D . -5 4. 如图1,点A 在⊙O 上,点C 在⊙O 内,点B 在⊙O 外, 则图中的圆周角是 A . ∠OA B B . ∠OA C C . ∠COA D . ∠B 5. 已知一个一元二次方程的二次项系数是3,常数项是1,则这个一元二次方程可能是 A .3x +1=0 B .x 2+3=0 C .3x 2-1=0 D .3x 2+6x +1=0 6. 已知P (m ,2m +1)是平面直角坐标系的点,则点P 的纵坐标随横坐标变化的函数 解析式可以是 A .y =x B .y =2x C .y =2x +1 D .y =12x -1 2 7. 已知点A (1,2),O 是坐标原点,将线段OA 绕点O 逆时针旋转90°,点A 旋转后的对应点是A 1,则点A 1的坐标是 A . (-2,1) B . (2, -1) C . (-1,2) D .(-1, -2) 8.抛物线y =(1-2x )2+3的对称轴是 A . x =1 B . x =-1 C . x =-12 D . x =12 9. 青山村种的水稻2010年平均每公顷产7200kg ,设水稻每公顷产量的年平均增长率为 x ,则2019年平均每公顷比2011年增加的产量是 A . 7200(x +1)2 kg B .7200(x 2+1) kg C .7200(x 2+x ) kg D .7200(x +1) kg 10. 如图2,OA ,OB ,OC 都是⊙O 的半径,若∠AOB 是锐角,且∠AOB =2∠BOC . 则下列结论正确的是 图1 图 2
2019版数学精品资料(人教版) 下学期期末质量检测 初二年数学试题 (满分:150分;考试时间:120分钟) 一、选择题(每小题3分,共21分).在答题卡上相应题目的答题区域内作答. 1.在平面直角坐标系中,点(3,2-)关于y 轴对称的点的坐标是( ) A .(3,2) B.(3,2-) C.(3-,2) D.(3-,2-) 2.函数2 1 -= x y 中,自变量x 的取值范围是( ) A .x >2 B .2≠x C .x ≥2 D .2=x 3.要判断甲、乙两队舞蹈队的身高哪队比较整齐,通常需要比较这两队舞蹈队身高的( ). A . 方差 B .中位数 C . 众数 D .平均数 4.下列说法中错误.. 的是( ) A .两条对角线互相平分的四边形是平行四边形;B .两条对角线相等的四边形是矩形; C .两条对角线互相垂直的矩形是正方形; D .两条对角线相等的菱形是正方形. 5.已知反比例函数2 y x = ,在下列结论中,不正确...的是( ). A .图象必经过点(1,2) B .y 随x 的增大而减少 C .图象在第一、三象限 D .若x >1,则y <2 6.如图,菱形ABCD 中,∠ A =60°,周长是16,则菱形的面积是( ) A .16 B .16 C .16 D .8 7.如图,矩形ABCD 的边6=BC ,且BC 在平面直角坐标系中x 轴的正半轴上,点B 在点C 的左侧,直线kx y =经过点A (3,3)和点P ,且26=OP .将直线kx y =沿y 轴向下平移得到直线b kx y +=,若点P 落在矩形ABCD 的内部,则b 的取值范围是( ) A .30<2018-2019学年(上)福建厦门市九年级质量检测化学试题及答案(word版)-精选.pdf
2018-2019学年(上)厦门市九年级质量检测 化学 (试卷满分:100分考试时间:60分钟) 可能要用到的相对原子质量:H 1 C 12 N 14 0 16 F 19 Cl 35.5 K 39 Mn 55 第Ⅰ卷选择题 第Ⅰ卷共l0题。每题3分,共30分。在每题给出的四个选项中,只有一个选项符合题目要求。 1.下列古代文明或工艺一定包含化学变化的是 A.用粮食酿酒 B.用石块建长城 C.用石刀刻甲骨文 D.用指南针引航 2.“绿水青山就是金山银山”。不违背该理念,可直接排放的物质是 A.氮气 B.二氧化硫 C.固体粉尘 D.工业废水 3.下列实验操作不规范的是 A.滴加液体 B.取用固体粉末 C.点燃酒精灯 D.闻气味 4.每年5月12日是我国的“防灾减灾日”。下列火灾现场处理方法错误的是 A.身上着火不可乱跑,要就地打滚使火熄灭 B.逃生路线被火封住,应退回室内,打开所有门窗通风 C.处理燃气罐着火:先用浸湿的被褥盖灭,迅速关闭阀门,再转移到安全地方 D.用湿毛巾捂住口鼻,低姿行走到安全通道 5.锌锵黄(ZnCrO4)常用于制防锈涂料。锌铬黄中铬(Cr)元素的化合价为 A.+6 B.+5 C.+2 D.+1 6.西达本胺是一种抗癌物质.其化学式为C22H19FN4O2.下列说法正确的是 A.西达本胺属于混合物 B.西达本胺由48种元素组成 C.一个西达本胺分子中含有一个氧分子 D.西达本胺中碳元素的质量分数最大 7.下列操作能达到实验El的的魁 实验目的实验操作 A 除去CO2中少量的CO 点燃 B 除去氧化铜粉末中的炭粉隔绝空气,充分灼烧 C 比较人体吸入空气和呼出气体中氧气的含量分别用集气瓶收集两种气体,将带有火星的木条伸入其中 D 鉴别生石灰和石灰石粉末分别取样于试管中,加少量水,用手触摸管壁 8.在宏观、微观和符号之间建立联系是化学学科的特点。高温下,甲和乙反应生成丙和丁,结合表中信息判断下列说法正确的是 A.甲的化学式为CO2B.保持丙化学性质的最小粒子为碳原子和氧原子 C.反应物和生成物中都有化合物D.反应生成丙与丁的分子个数比为2:1 9.用下图所示装置测定空气中氧气的含量。在玻璃管中放入过量铜粉,管中的空气体积为50 mL,将活塞拉至30 mL刻度处的注射器和瘪的气球接在玻璃管的两端,点燃酒精灯,反复推拉注射器和挤压气球,待充分反应后,冷却至室温,将气球中的气体全部挤入玻璃管,此时注射器的活塞停在14mL刻度处。
数 学 (试卷满分:150分 考试时间:120分钟) 准考证号 姓名 座位号 注意事项: 1.全卷三大题,25小题,试卷共4页,另有答题卡. 2.答案必须写在答题卡上,否则不能得分. 3.可以直接使用2B 铅笔作图. 一、选择题(本大题有10小题,每小题4分,共40分.每小题都有四个选项,其中有且只有 一个选项正确) 1.计算-1+2,结果正确的是 A. 1 B. -1 C. -2 D . -3 2.抛物线y =ax 2+2x +c 的对称轴是 A. x =-1a B. x =-2a C. x =1a D . x =2 a 3.如图1,已知四边形ABCD ,延长BC 到点E ,则∠DCE 的同位角是 A. ∠A B. ∠B C. ∠DCB D .∠D 4.某初中校学生会为了解2017年本校学生人均课外阅读量,计划开展抽样调查.下列抽样调查方案中最合适的是 A.到学校图书馆调查学生借阅量 B.对全校学生暑假课外阅读量进行调查 C.对初三年学生的课外阅读量进行调查 D.在三个年级的学生中分别随机抽取一半学生进行课外阅读量的调查 5.若967×85=p ,则967×84的值可表示为 A. p -1 B. p -85 C. p -967 D. 85 84 p 6. 如图2,在Rt △ACB 中,∠C =90°,∠A =37°,AC =4, 则BC 的长约为(sin37°≈,cos37°≈,tan37°≈) A. 2.4 B. C. D . 7. 在同一条直线上依次有A ,B ,C ,D 四个点,若CD -BC =AB ,则下列结论正确的是 A. B 是线段AC 的中点 B. B 是线段AD 的中点 C. C 是线段BD 的中点 D. C 是线段AD 的中点 8. 把一些书分给几名同学,若 ;若每人分11本则不够. 依题意,设有x 名同学, 可列不等式9x +7<11x ,则横线上的信息可以是 A .每人分7本,则可多分9个人 B. 每人分7本,则剩余9本 C .每人分9本,则剩余7本 图1 E D C B A 图2 A B C
初中数学试卷 马鸣风萧萧 2016学年第二学期八年级数学质量检测卷(2.14) 考生须知:本试卷分试题卷和答题卷两部分,满分120分,考试时间为90分钟 一、选择题(本大题共10小题,每小题3分,共30分) 1.函数y= 中,自变量x 的取值范围是( ) A . x >﹣3 B . x ≠0 C . x >﹣3且x ≠0 D . x ≠﹣3 2.已知一个三角形的两边长分别为3和4,则第三边的长不可能的是( ) A .2 B .3 C .4 D .1 3.下列定理中,没有逆定题的是( ) ①内错角相等,两直线平行 ②等腰三角形两底角相等 ③对顶角相等 ④直角三角形的两个锐角互余. A .1个 B .2个 C .3个 D .4个 4.如图,△ABC 中,∠C=90°,AB 的中垂线DE 交AB 于E ,交BC 于D ,若AB=10,AC=6,则△ACD 的周长 为( ) A . 16 B . 14 C . 20 D . 18 第4题图 第5题图 5.如图,已知EB=FD ,∠EBA=∠FDC ,下列不能判定△ABE ≌△CDF 的条件是( ) A .∠E=∠F B .AB=CD C .AE=CF D .A E ∥CF
6.若方程组的解x、y满足0<x+y<1,则k的取值范围是() A.0<k<8 B.﹣1<k<0 C.﹣4<k<0 D. k>﹣4 7.已知平面直角坐标系中两点A(﹣1,O)、B(1,2).连接AB,平移线段AB得到线段A1B1,若点A的对应点A1的坐标为(2,﹣1),则B的对应点B1的坐标为() A.(4,3)B.(4,1)C.(﹣2,3)D.(﹣2,1) 8.有下列说法: ①有一个角为60°的等腰三角形是等边三角形; ②三边长为、、3的三角形为直角三角形; ③等腰三角形的两边长为3、4,则等腰三角形的周长为10; ④一边上的中线等于这边长的一半的三角形是等腰直角三角形. 其中正确的个数是() A.4个B.3个C.2个D.1个 9.直线y=kx+b过点(2,2)且与直线y=﹣3x相交于点(1,a),则两直线与x轴所围成的面积为()A.2 B.2.4 C.3 D.4.8 10.复习课中,教师给出关于x的函数y=﹣2mx+m﹣1(m≠0).学生们在独立思考后,给出了5条关于这个函数的结论: ①此函数是一次函数,但不可能是正比例函数; ②函数的值y 随着自变量x的增大而减小; ③该函数图象与y轴的交点在y轴的正半轴上; ④若函数图象与x轴交于A(a,0),则a<0.5; ⑤此函数图象与直线y=4x﹣3、y轴围成的面积必小于0.5. 对于以上5个结论是正确有()个. A.4 B.3 C.2 D.0 二、填空题(本大题共6个小题,每小题3分,共24分) 11.点M(2,﹣1)到y轴的距离为______________. 12.证明命题“两个锐角的和是锐角”是假命题,举的反例是 ___________________________________________________________________.
2017—2018学年(上)厦门市九年级质量检测 数 学 (试卷满分:150分考试时间:120分钟) 班级 姓名 座位号 一、选择题(本大题有10小题,每小题4分,共40分.每小题都有四个选项,其中有且只有一个选项正确) 1.下列算式中,计算结果是负数的是( ) A .(2)7-+ B .|1|- C .3(2)?- D .2(1)- 2.对于一元二次方程2210x x -+=,根的判别式24b ac -中的b 表示的数是( ) A .2- B .2 C .1- D .1 3.如图1,四边形ABCD 的对角线AC ,BD 交于点O , E 是BC 边上的一点, 连接AE ,OE ,则下列角中是△AEO 的外角的是( ) A .∠AEB B .∠AOD C .∠OEC D .∠EOC 4.已知⊙O 的半径是3,A ,B ,C 三点在⊙O 上,∠ACB = 60°,则) AB 的长是( ) A .2π B .π C .32π D .12 π 5.某区25位学生参加魔方速拧比赛,比赛成绩如图2所示, 则这25个成绩的中位数是( ) A .11 B .10.5 C .10 D .6 6.随着生产技术的进步,某厂生产一件产品的成本从两年前的100元下降到现在的64元,求年平均下降率.设年平均下降率为x ,通过解方程得到一个根为1.8,则正确的解释是( ) A .年平均下降率为80% ,符合题意 B .年平均下降率为18% ,符合题意 C .年平均下降率为1.8% ,不符合题意 D .年平均下降率为180% ,不符合题意 7.已知某二次函数,当1x <时,y 随x 的增大而减小;当1x >时,y 随x 的增大而增大,则该二次函数的解析式可以是( ) A .22(1)y x =+ B .22(1)y x =- C .22(1)y x =-+ D .22(1)y x =-- 8.如图3,已知A ,B ,C ,D 是圆上的点,)) AD BC =,AC ,BD 交于点E , 则下列结论正确的是( ) A .AB = AD B .BE = CD C .AC = BD D .BE = AD 9.我国古代数学家祖冲之和他的儿子发展了刘徽的“割圆术”(即圆的内接正多边形边数不断增 加,它的周长就越接近圆周长),他们从圆内接正六边形算起,一直算到内接正24576边形,将圆周率精确到小数点后七位,使中国对圆周率的计算在世界上领先一千多年.依据“割圆术”,由圆内接正六边形算得的圆周率的近似值是( ) A .2.9 B .3 C .3.1 D .3.14 10.点(,)M n n -在第二象限,过点M 的直线y kx b =+(01)k <<分别交x 轴,y 轴于点A ,B .过 点M 作MN ⊥x 轴于点N ,则下列点在线段AN 上的是 A .((1),0)k n - B .3((),0)2k n + C .(2)(,0)k n k + D .((1),0)k n + E O D C B A 图 1 图2 学生数 正确速 拧个数 A B D C E 图3