绝密
清和中学
2019
年下学期期中英语试题
（全卷四个部分：满分120分；考试时间：120分钟）
第一部分 听力（共四节；满分30分）
第一节 听句子，选出与句子内容相关的图画。每个句子听两遍。（5分） 1．
A B C 2．
A B C 3．
A B 4.
A B C 5.
A B C
第二节 根据你听到的句子，选出正确的答语。每个句子听两遍。（5分） 6. A. I really did. B. I hope so., too. C. What you said was right.
7. A. thank you all was right. B. Sorry, Joe may know. C. You are welcome. 8. A. Is that so? B. Oh, dear! What ’s wrong? C. Are you sure?
9. A. No, I don ’t. B. Yes, you ’re welcome. C. Sure. I would love to. 10. A. I’d love not. B Not at all. I’d be happy to. C. I’ve no idea. 第三节 听对话, 回答问题.第段对话听两遍.(10分) 11. Where does the dialogue happen?
A. A teacher.
B. A reporter.
C. A. shop assistant. 12. How often does the man eat fast food?
A. During weekdays.
B. In a library.
C. Twice a week.
13. Where does he dialogue happen?
A. In a bookshop.
B. In a library
C. In a classroom 14. A. How many books can he buy at this time?
A. Only one book.
B. Two books.
C. three books.
15. What season is it when they ’re talking?
A. It ’s autumn.
B. It ’s summer.
C. It ’s winter. 16. Where does Floria come from?
A. Australia.
B. New Zealand
C. America 17. When are they talking?
A. On New Year ’s Day.
B. At Christmas.
C. On may Day. 18. Why can ’t the woman find the way? A. She has never been to the city before. B. The city has changed a lot.
C. she is too old to remember the way. 19. How did the woman come to the city? A. By bus. B. by air. C. By train. 20. Why didn ’t her son come to meet her?
A. he is in trouble.
B. He is too busy.
C. He didn ’t know his mother come. 22. A. Yao Ming, Rockets B. Yi Jianlian C. Jordan, Bulls 23. A. weekday B. Saturday C. Sunday 24. A. 9:00pm B. 9:30am C. 9:30 morning 25. A. October B. November C. December
第二部分英语知识运用(共三节；满分35分)
第一节词语释义(5分
26．I hope that my mother is well now.
A.good B．nice C．fine D．best
27．Jack was ill. He wasn’t able to visit his grandma last Sunday.
A．shouldn’t B．won’t. C．don’t have to. D．couldn’t
28．The UFO arrived at around ten o’clock in the morning.
A．about B．on C．over D．in
29．Rose was mad at what you said.
A．glad B．happy C．angry D．sad
30．She didn’t take her ID card. So the teacher didn’t let her in.
A．took, out B．kept, out C．got, out D．looked, out
第二节单项选择(20分
31. -Excuse me. _________?
-You're right. You'd better take a bus.
A. Where is the hospital
B. Is there a hospital nearby
C. How can I get to the hospital
D. Is the hospital very far
32. -Shall I help you move the desk to the corner?
-_________. I can do it myself.
A. No, thanks
B. Not at all
C. Of course
D. Never mind
33. Your MP4 is quite cheap. Where did you buy _________?
I want to buy _________, too.
A. one; one
B. it; it
C. it; one
D. one; it
34. -How old is your daughter?
-_________. We had a special party for her _________ birthday last week.
A. Ninth; ninth
B. Nine; nine
C. Ninth; nine
D. Nine; ninth
35 -What did you buy for your daughter at the supermarket?
-I bought _________, because I couldn't find _________ she likes.
A. something; anything
B. anything; something
C. nothing; anything
D. something; nothing
36 They are from _________. They’re _________.
A. Germany; Germans
B. Germans; Germany
C. German; Germany
D. Germany; Germen
37. -Do you know Huang Ting well?
-Yes. She and I _________ friends since we met in Wuhan last summer.
A. have made
B. were
C. have been
D. become 38 Most of my classmates don't like to talk with their parents, but I am ________ them.
I love to talk with my parents.
A. the same as
B. different from
C. interested in
D. angry with
39 I feel it hard to keep up with my classmates. But whenever I want to ________, my
teacher always encourages me to work harder.
A. go on
B. give up
C. run away
D. give back
40 -Could you please tell me _________? -I live in Enshi, Hubei.
A. where do you live
B. if you live in Enshi
C. where you live
D. where you were born
41 -Let's go to the concert tonight, Michael!
-Sorry, I _________. I have to help my mother with the housework.
A. mustn't
B. may not
C. needn't
D. can't
42 -Your brother doesn't get up early, does he?
-_________. But he gets up late on weekends.
A. Yes, he does
B. No, he doesn't
C. Yes, he doesn't
D. No, he does
43 -My parents always tell me _________ others late at night.
-They're right. It's not polite.
A. call
B. not call
C. to call
D. not to call
44 Don't worry. He is _________ to look after little Betty.
A. carefully enough
B. enough careful
C. careful enough
D. enough carefully
45. I can't still understand the passage _________ there are few new words in it.
A. so
B. because
C. if
D. though
46. He was _________ tired _________ he fell asleep as soon as he lay down.
A. too; to
B. so; that
C. such; that
D. enough; that
47_________ Lucy _________ Lily may go dancing with you, because they are not allowed to go out on school nights.
A. Either; or
B. Neither; nor
C. Both; and
D. Not only; but also
48. I don't know if my uncle _________. If he _________, I will be very happy.
A. comes; will come
B. will come; will come
C. comes; comes
D. will come; comes
49. Maria _________ at 6:30 every morning by her mother to get ready for school.
A. was woken up
B. woke up
C. wakes up
D. is woken up
50. We know Jackie Chan _________ movies are very popular with the young.
A. whose
B. that
C. who
D. which
第三节完形填空(10分)
David is a middle school student. He had lived in a small __51 for fifteen years. It was a small place with only five families living there. His father, Mr. Hill, was a rich farmer and later on he _52_ a shop in our town. He bought a house here last month. His _53_ moved to the new house and his son began to study in our class. But he had _54_ friends here. At first he often played by __55_.
His neighbor Cathy is a kind girl. She has many friends. She finds the boy never talks with anybody and decides to help him. David __56_ to stay with her and talks to her a lot. Now they're good friends.
One afternoon, Cathy told David, “It'll be my sixteenth birthday tomorrow. I'll have a birthday party. Would you like to come?”
“_57_. I'm glad to,” the boy said happily.
David got home and thought of a __58_ he could give to Cathy. He was sorry that he __59_ to ask the girl what she liked. He couldn't telephone her because he didn't know her __60__. At that moment Mrs. Hill came and asked, “What's the matter, dear?”
“What would you like if it was your sixteenth birthday, Mom?”
“Nothing," the woman said, "I just wish I were sixteen.”
51. A. town B. city C. village D. country
52. A. open B. opens C. opened D. opening
53 A. home B. shop C. building D. family
54. A. a few B. few C. a little D. little
55. A. himself B. him C. his D. he
56. A. enjoy B. enjoys C. like D. likes
57. A. Well B. No C. Sorry D. Certainly
58. A. book B. dress C. present D. pen
59. A. forgot B. forget C. remember D. remembered
60. A. home B. number C. place D. address
第三部分阅读理解（30分）
A根据短文内容判断正误，正确的写“T”错误的写“F”
People all over the world drink tea. But tea does not mean the same thing to everyone.
In China, people always drink when they are getting together. The Chinese drink it at any time of the day at homes or in tea houses. They like tea with nothing in it.
In England, the late afternoon is ‘ tea time ‘.Everyone likes having a cup of tea then. Many of them drink it with milk and sugar. They also eat bread. Cookies or sandwiches at tea time. This is called “afternoon tea” in this tea drinking country.
In USA, people drink tea for breakfast or after meals. Americans usuallr use tea bags to make their tea. In summer, many of them like drinking cold tea or iced tea.
根据短文内容，判断正误，正确的写T ，错误的写F （10%）
61. In different countries, people have different ideas about drinking tea.
62. The English often eat bread or other food for “afternoon tea”.
63.Americans drink tea at any time of the day.
64. We Chinese drink tea in teahouses or in the office.
65. In summer, People in England love iced tea or cold tea.
B根据短文内容选择正确答案
My friend, a doctor at a hospital , had finished a physical exam(身体检查) on an eight-year-old boy when the mother told the doctor that his son was always having junk food. The doctor thought how he might get the child to know it’s bad to eat junk food. “ so ,” he asked. “ What do you want to be when you grow up?”
“ I want to be a doctor .” Said the boy .
“ I’ve got him now .” thought the doctor .”and what would you say to a boy when his mother complained that he was having too much junk food?”
At once , the boy replied,” I also ate junk food when I was a child, and look at me now!”
根据短文内容选择正确答案（10%）
66. What was the boy’s problem ?
A. He was often ill
B. He liked junk food very much.
C. He didn’t want to eat anything.
D. He didn’t eat junk food yesterday.
67. The doctor tried_________________.
A.To let the boy understand it was bad to have too much junk food
B.To give the boy more junk food
C. To test if the boy was clever
C.To know what the boy wants to be when he grows up
68.What answer did the doctor want to hear about his second question ?
A.It’s not good for you to have too much junk food.
B.You will be stronger if you eat more junk food.
C.It’s doesn’t matter to have too much junk food.
D.The boy will grow up faster if he eats more junk food.
69. How old is the boy ?
A. He is eight years old .
B. He is eighteen years old.
C. She is eight years old.
D. He is eight-years-old.
70.This story mainly tells us that____________.
A. boys are cleverer than men \
B. junk food is bad to teeth.
C. children have their own ways of thinking.
D. children all like to eat junk food.
C根据短文内容选择正确答案
In China, more and more middle school students are getting shorter sleeping time than before. Most students sleep less than nine hours every night. because they have much homework to do. Some homework is given by their teachers, and some by their parents. Also, some students don’t know how to save time. They are not careful enough while they are doing their homework, so it takes them a lot of time. Some students spend too much time watching TV or playing computer games. They stay up very late. Some students have to get up early every morning on weekdays to get to school on time by bus or by bike .It can be a long way from home to school.
School and parents should cut down some of the homework so that our children can enjoy more than nine hours of sleep every night fir their health. For children, we should make best use of our time. When we have enough time for sleeping, we will find it much better for both our study and health.
根据短文内容选择正确选项（10%）
71.What makes most students sleep less than nine hours every night?
A. Watching TV.
B. Playing computer games.
C. Doing their homework
D. Going to school.
72. Who else gives children some homework to do except their teachers?
A. their parents. B Other students.
C. The children themselves.
D. Their mothers
73. How many hours of sleep are good for students’ health ?
A. less than 9 hours B .Over 9 hours.
C. Only 9 hours.
D. Over 8 hours.
74. What would happen to a student who often goes to bed late
and gets up early ?
A .He would fall asleep in class. B. He would do well in study.
C. He would finish his homework fast.
D. He would study hard.
75. Which of the following is Not true ?
A.Some students are so careless that they spend lots of time on their
homework.
B.All the students stay up late for their homework.
C.Children should be given less homework.
D.Some students spend too much time watching TV or playing computer
games. 第四部分写作(共三节；满分25分
第一节根据句意, 用括号中所给词的适当形式填空.(5分)
76.The poor little girl’s father died of ______________.( hungry)
77. Why don’t you consider _________(visit) Australia for your next vacation?
78.The cars ________________(allow) in downtown in Singapore.
79. Our head teacher is ____________(strict) with his child than with us.
80.I saw an ____________(education) movie last week.
第二节将下列句子中的汉语部分译成英语,注意使用适当的形式.(5分)
81.It’s important for students__________________( 做笔记) in class.
82. Could you please ___________( 想出) a good way to improve my English.
83.He is a homeless boy, he _________ ( 闲荡) in the street every day.
84 Most students are afraid of _____________( 犯错误) in class.
85.My watch doesn’t work. I have to get it _________( 修理)
第三节书面表达(15分)
生活中有许多值得感谢的人和事，你是以何种方式表达对他们的感激之情，请以I should thank ……为题，写一篇不少于100个词的短文。
九年级化学试题 题号一二三四总分 得分 可能用到的相对原子质量：C-12、H-1、O-16、S-32、N-14、Mn-55 一、选择题：（每题只有一个选项符合题意，每题2分，共20分，请把答案填写在题后 的答案栏内） 1．化学的发展对改善人们的生存环境和促进社会发展有着积极的作用。下列各项措施与其要达到的目标不相符的是 A.研制、合成药物-------抑制细菌和病毒 B.生产化肥和农药------增加粮食产量 C.开发新材料、新能源-------改善生存条件，提高生活质量 D.合成食品添加剂-------增进人体健康 2．自然界中发生的这些变化中，有一种与其它三种变化有本质区别的是 A.云雾消散 B.冰雪融化 C.树木折断 D.铁器生锈 3．我国自主研制的“神舟七号”载人飞船于2008年9月25日成功发射升空并顺利返回。飞船常使用的一种助燃剂液氧是由氧气加压降温制成的蓝色液体，下列说法正确的是 A.液氧和氧气的构成分子相同，物理性质不同 B.液氧中的氧分子停止了运动 C.液氧和氧气的组成元素不同 D.液氧中的氧分子间没有空隙4．化学变化常伴随着能量的转化。如图所示，火柴燃烧实验中观察到试管塞被冲飞，这种现象主要能说明 A.化学能最终可转化为机械能 B.内能可转化为化学能 C.化学能最终可转化为光能 D.化学能可转化为内能 5．下图所示的基本实验操作符合操作规范的是 A.点燃酒精灯 B.检查气密性 C.给液体加热 D.称量药品质量 6．观察与比较是化学学习的一种重要方法，观察比较四种物质：CO2、SO2、MnO2、NO2，它们的共同点是 A.组成中都含有氧元素 B.构成中都含有氧分子 C.氧元素和另一种元素的质量比都是2：1 D.常温下都是无色气体 7．关于实验室电解水实验的说法不正确的是 A.实验室必须使用直流电对水进行电解 B.与电源正极相连的玻璃管内产生的气体可使带火星的木条复燃
人教版九年级数学上册期中考试试题 集团标准化办公室：[VV986T-J682P28-JP266L8-68PNN]
2017-2018 学年度第一学期九年级数学期中试卷 一、选择题（每题3分，共30分） 1．下列图形绕某点旋转180°后，不能与原来图形重合的是( ) 2.下列方程是关于x 的一元二次方程的是（） A.02=++c bx ax B.2112=+x x C.1222-=+x x x D.)1(2)1(32+=+x x 3.下列函数中，不是二次函数的是() A ．y ＝1－x 2 B ．y ＝2(x －1)2＋4C.y=(x －1)(x ＋4)D ．y ＝(x －2)2－x 2 4.方程5)3)(1(=-+x x 的解是() A.3,121-==x x B.2,421-==x x C.3,121=-=x x D.2,421=-=x x 5．把二次函数y ＝－x 2－x ＋3用配方法化成y ＝a(x －h)2＋k 的形式() A ．y ＝－(x －2)2＋2 B ．y ＝(x －2)2＋4 C ．y ＝－(x ＋2)2＋4 D ．y ＝2＋3 6.一元二次方程0624)2(2 =-+--m mx x m 有两个相等的实数根，则m 等于() A.6-或1 B.1 C.6- D.2 7.对抛物线y ＝－x 2＋2x －3而言，下列结论正确的是() A ．与x 轴有两个交点 B ．开口向上 C ．与y 轴的交点坐标是(0,3) D ．顶点坐标是(1，－2)
8．若点A (n,2)与点B (－3，m )关于原点对称，则n －m ＝( ) A ．－1 B ．－5 C ．1 D ．5 9．如下图的四个图案中，既可用旋转来分析整个图案的形成过程，又可用轴对称来分析整个图案的形成过程的有( ) A ．1个 B ．2个 C ．3个 D ．4个 10．在同一平面直角坐标系内，一次函数y ＝ax ＋b 与二次函数y ＝ax 2＋8x ＋b 的图象可能是 二、填空题（11——16每题3分，第17题6分，共24分） 11.方程x x 3122=-的二次项系数是，一次项系数是，常数项是。 12．若函数y ＝(m －3)2213m m x ＋－是二次函数，则m ＝______. 13．已知二次函数的图象过(1,0)，(2,0)和(0,2)三点，则该函数的解析式是 14．如图，将等边△ABD 沿BD 中点旋转180°得到△BDC .现给出下列命题：①四边形ABCD 是菱形；②四边形ABCD 是中心对称图形；③四边形ABCD 是轴对称图形；④AC ＝BD .其中正确的是________(写上正确的序号)． 15．抛物线y ＝2x 2－bx ＋3的对称轴是直线x ＝1，则b 的值为________． 16.如果一元二方程 043)22 2=-++-m x x m （有一个根为0，则m=. 17.认真观察图J23-3-3中的四个图案，回答下列问题： (1)请写出这四个图案都具有的两个共同特征： 特征1：____________________；特征2：____________________________. (2)请你在下图中设计出你心中最美的图案，使它也具备你所写出的上述特征． 三、解答题（共66分） 18、解方程（每题4分，共8分）
一、单项选择（15分） ( )1.---How do you study _______a test? ----I study _______reading the textbook. A. for ; for B. for ; by C. by ; for D .by ; by ( )2. I don't know _______.Can you tell me________? A. how swim; what to do B. how to swim ; what to do it C. how to swim; what to do D. what to swim; how to do ( )3. Liu Xiang is one of ______ runners in the world. A. famous B. more famous C. the most famous ( )4. My brother spends too much time ______computer games. A. to play B. play C. plays D.playing ( ) 5. If I ____ ten million dollars, I ____travel around the world. A. have; will B. had; will C. had; will D .had; would ( )6.The young trees should ______well as often as possible A.be water B. watered C. watering D. be watered ( )7.He pretended ________me when he walked by. A. not see B. not to see C. don't see D. to not see ( )8._________that river ________very clean? A. Did ;use to B. Did ;use to be C. Does ;used to D. Does ;use to be ( )9.You__________to school so early. It opens at 7. A. needn't come B. don't need come C. needn't coming D. needn't to come ( )10.----How many people will come to Beijing next year? ----It's hard to say. _________people , I think. A. Million of B. Millions of C. Three millions D. Three millions of ( )11.-----Whose guitar is this? -----Susan plays the guitar. It must _______. A. belong to her B. belong her C. belong to hers D. belong hers ( )12.Do you like music ____makes you excited? A. that B. what C. who D. it ( )13.We prefer ________at the party rather than______. A. to sing; dance B. to sing; dancing C. sing; to dance D. sing ;dance ( )14.------Where would you like to visit? ------ I'd like to visit____ A. warm somewhere B. warm anywhere
主视图 左视图 俯视图 4 4 2 2020~2020学年度下学期期中考试 九年级数学 考试时间：120分钟，试卷分值：120分 题号 一 二 三 总分 17 18 19 20 21 22 23 24 得分 1、在2，-3，-5这三个数中，任意两数积的最小值为 （ ） A.-6 B.-10 C.-15 D.15 2、在Rt △ABC 中，∠C=90°，若sinA=21，则∠A 的度数是（ ） A ．30° B ．45° C ．60° D ．90° 3、在平面直角坐标系内P 点的坐标（。。，45tan 30cos ），则P 点关于轴对称点P '的 坐标为 （ ） A ．( 1,23 ) B ．(23,1-) C ． (1,23-) D ． (23 -,-1) 4、袋中有3个红球，2个白球，若从袋中任意摸出1个球，则摸出白球的概率是（ ） A ．51 B ． 52 C ．32 D ．31 5、一个几何体的三视图如右,其中主视图和左视图都 是腰长为4、底边为2的等腰三角形，则这个几何体 的侧面展开图的面积为（ ） A ．π2 B ．π2 1 C ．π4 D ．π8
A B C D P E 第6题 第7题 A B C D F E B (4,4) A (1,40 x y O C D 第10题 O x y B A D C E 第9题 A D E F B C I H G 第8题 6、已知：如图，在正方形ABCD 外取一点E ，连接AE 、BE 、DE ．过点A 作AE 的垂线交DE 于点P ．若AE ＝AP ＝1，PB ＝5．下列结论：①△APD ≌△AEB ；②点B 到直线AE 的距离为2；③EB ⊥ED ；④S △APD ＋S △APB ＝1＋6．其中正确结论的序号是( ) A ．①④ B ．①② C ．③④ D ．①③ 7、如图，在四边形ABCD 中， E 、 F 分别是AB 、AD 的中点。若EF ＝ 2，BC ＝5，CD ＝3，则tan C 等于 A ．43 B ．34 C ．53 D ．54 8、如图，在△ABC 中，AD=DE=EF=FB ，DG ∥EH ∥FI ∥BC ，已知BC=a ，则DG+EH+FI 的长是( ). A ．52a B ．32a C ．2a D ．43 a 9、如图，已知A 、B 两点的坐标分别为(－2，0)、(0，1)，⊙C 的圆心坐标为(0，－1)，半径为1．若D 是⊙C 上的一个动点，射线AD 与y 轴交于点E ，则△ABE 面积的最大值是（ ） A ．3 B ．311 C ．3 10 D ．4 10、如图，点A ，B 的坐标分别为（1, 4）和（4, 4）,抛物线2()y a x m n =-+的顶点在线段AB 上运动，与x 轴交于C 、D 两点（C 在D 的左侧），点C 的横坐标最小值为-3，则点D 的横坐标最大值为( ) A ．－3 B ．1 C ．5 D ． ８ 二、填空题（每空３分，共１８ 分） 11、．计算：x y ax y 4232 ÷??? ??-= 。
罗文皂中学2011---2012学年上九年级英语期中考试题 一、单项选择（15分） 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ( ) do you study _______a test? ----I study _______reading the textbook. A. for ; for B. for ; by C. by ; for D .by ; by ( )2. I don't know you tell me________? A. how swim; what to do B. how to swim ; what to do it C. how to swim; what to do D. what to swim; how to do ( )3. Liu Xiang is one of ______ runners in the world. A. famous B. more famous C. the most famous ( )4. My brother spends too much time ______computer games. A. to play B. play C. plays ( ) 5. If I ____ ten million dollars, I ____travel around the world. A. have; will B. had; will C. had; will D .had; would ( ) young trees should ______well as often as possible water B. watered C. watering D. be watered ( ) river ________very clean? A. Did ;use to B. Did ;use to be C. Does ;used to D. Does ;use to be ( ) many people will come to Beijing next year? ----It's hard to say. _________people , I think. A. Million of B. Millions of C. Three millions D. Three millions of ( ) guitar is this? -----Susan plays the guitar. It must _______. A. belong to her B. belong her C. belong to hers D. belong hers ( ) 10. ---Listen! Helen is singing in the next room ---It be Helen. She has gone to Beijing. A. can’t B. mustn’t C. may D. should ( )11. My brother is going to look for another job the company offers him more money. A. after B. when C. unless D. besides ( ) 12. Have you ever considered Paris some day? A. visit B. visited C. visiting D. to visit ( ) 13. ---They have been to Canada before? --- . A. Neither do we. B. So have we. C. Neither have we. D. So we have. ( ) 14. ---Do you know ? ---Yes. By listening to tapes. A. how does he study English B. why he studies English C. how he studies English D. when he studies English ( )15. That is a good idea. Who it? A. stayed away from B. took pride in C. came up with D. paid attention to 班级 学号 姓名 密 封 线
初三数学第1页 共22页 初三数学第2页 共22页 一、选择题（每题3分，共30分） 1．下列函数是二次函数的是（ ） A ．12+=x y B ．22 1y x =- + C ．22+=x y D ．22 1-=x y 2．已知二次函数y=ax 2+bx+c （a ≠0）的图像如图所示，下 列说法错误的是（ ） A ．图像关于直线x=1对称 B ．函数y=ax 2+bx+c （a ≠0）的最小值是-4 C ．-1和3是方程ax 2+bx+c=0（a ≠0）的两个根 D ．当x ＜1时，y 随x 的增大而增大 3．已知二次函数y=x 2 -3x+m （m 为常数）的图像与x 轴的 一个交点为（1，0），则关于x 的一元二次方程x 2 -3x+m=0的两实数根是（ ） A ．x 1=1，x 2=-1 B ．x 1=1，x 2=2 C ．x 1=1， x 2=0 D ．x 1=1，x 2=3 4．如图，在⊙O 中，OC ⊥弦AB 于点C ，AB=4，OC=1， 则OB 的长是（ ） A ． 3 B ．5 C ． 15 D ． 17 5．如图，□ABCD 的顶点A 、B 、D 在⊙O 上，顶点C 在⊙O 的直径BE 上，∠ADC=70°，连接AE ，则∠AEB 的度数为（ ） A ．26° B ．24° C ．25° D ．20° 6．在直角坐标系中，⊙P 、⊙Q 的位置如图所示．下列 四个点中，在⊙P 外部且在⊙Q 内部的是（ ） A ．（1，2） B ．（2，1） C ．（2，-1） D ．（3，1） 7．已知⊙O 的半径为5，圆心O 到直线l 的距离为3， 则反映直线l 与⊙O 的位置关系的图形是（ ） 8．用反证法证明“三角形的三个外角中至少有两个钝 角”时，假设正确的是（ ） A ．假设三个外角都是锐角 B ．假设至少有 一个钝角 C ．假设三个外角都是钝角 D ．假设三个外角中只有一个钝角 9．如图，AB 是⊙O 的直径，C 、D 是⊙O 上的点，∠
2020年九年级数学下期中试卷及答案 一、选择题 1．如图，八个完全相同的小长方形拼成一个正方形网格，连结小长方形的顶点所得的四个三角形中是相似三角形的是（） A．①和②B．②和③C．①和③D．①和④ 2．已知一次函数y1=x－1和反比例函数y2=2 x 的图象在平面直角坐标系中交于A、B两 点，当y1＞y2时，x的取值范围是( ) A．x＞2B．－1＜x＜0C．x＞2，－1＜x＜0D．x＜2，x＞0 3．若反比例函数 k y x (x<0)的图象如图所示，则k的值可以是（） A．-1B．-2C．-3D．-4 4．已知反比例函数y＝﹣6 x ，下列结论中不正确的是（） A．函数图象经过点（﹣3，2）B．函数图象分别位于第二、四象限C．若x＜﹣2，则0＜y＜3 D．y随x的增大而增大 5．如图所示，在△ABC中， cos B＝ 2 2 ，sin C＝ 3 5 ，BC＝7，则△ABC的面积是() A．21 2 B．12C．14D．21 6．如图，已知直线a∥b∥c，直线m、n与直线a、b、c分别交于点A、C、E、B、D、
F，AC=4，CE=6，BD=3，则BF=（） A．7B．7.5C．8D．8.5 7．在△ABC 中，若=0，则∠C的度数是（） A．45°B．60°C．75°D．105° 8．如图，△OAB∽△OCD，OA：OC＝3：2，∠A＝α，∠C＝β，△OAB与△OCD的面积分别是S1和S2，△OAB与△OCD的周长分别是C1和C2，则下列等式一定成立的是() A ． 3 2 OB CD =B． 3 2 α β =C ．1 2 3 2 S S =D．1 2 3 2 C C = 9．如图，AB是⊙O的直径，弦CD交AB于点P，AP=2，BP=6，∠APC=30°，则CD的长为（） A．15B．25C．215D．8 10．如图，将一个Rt△ABC形状的楔子从木桩的底端点P处沿水平方向打入木桩底下，使木桩向上运动，已知楔子斜面的倾斜角为20°，若楔子沿水平方向前移8cm（如箭头所示），则木桩上升了（） A．8tan20°B．C．8sin20°D．8cos20° 11．若270 x y -=. 则下列式子正确的是（）
精编 初三数学期中考试试卷2007.11 （100分钟完成，满分150分） 一、填空题（每小题3分，满分36分） 1. 方程 21 1 =-x 的根是______________. 2. 方程1 1 12+= +x x x 的根是________________. 3. 分解因式：=-+422 x x _______________________. 4. 在公式 2 11 11R R R + =中，已知正数R 、R 1（1R R ≠），那么R 2= ． 5. 用换元法解方程02711222=+---x x x x 时，可设y =1 2 -x x ，那么原方程可化为关于y 的整式方程是 ． 6. 某电子产品每件原价为800，首次降价的百分率为x ，第二次降价的百分率为2x ，那 么经过两降价后每件的价格为_____________________元(用x 的代数式表示). 7. 如图1，已知舞台AB 长10米，如果报幕员从点A 出发站在舞 台的黄金分割点P 处，且BP AP <，则报幕员应走 米 报幕（236.25≈，结果精确到0.1米）． 8. 如图2，在ABC ?中，点D 、E 分别在边AB 、AC 上，DE ∥BC ， 5:2:=AC AE ，则=BC DE : ． 9. 已知ABC ?与DEF ?相似，且点A 与点E 是对应点，已知∠A =50o， ∠B =?60，则∠F = ． 10. 在△ABC 中，点D 、E 分别在边AB 、AC 上，要使△ADE 与△ABC 相似，只须添加一个条 件，这个条件可以是___________(只要填写一种情况) ． 11. 在△ABC 中，中线AD 和CE 相交于G ，则=AD AG :_________． 12. 如图3, 在△ABC 中, 点D 、E 分别在AB 、AC 上，DE//BC , 图1 图2
人教版九年级英语期中考试题（含答案） 一、单项选择（15分） ( )1.---How do you study _______a test? ----I study _______reading the textbook. A. for ; for B. for ; by C. by ; for D .by ; by ( )2. I don't know _______.Can you tell me________? A. how swim; what to do B. how to swim ; what to do it C. how to swim; what to do D. what to swim; how to do ( )3. Liu Xiang is one of ______ runners in the world. A. famous B. more famous C. the most famous ( )4. My brother spends too much time ______computer games. A. to play B. play C. plays D.playing ( ) 5. If I ____ ten million dollars, I ____travel around the world. A. have; will B. had; will C. had; will D .had; would ( )6.The young trees should ______well as often as possible A.be water B. watered C. watering D. be watered ( )7.He pretended ________me when he walked by. A. not see B. not to see C. don't see D. to not see ( )8._________that river ________very clean? A. Did ;use to B. Did ;use to be C. Does ;used to D. Does ;use to be ( )9.You__________to school so early. It opens at 7. A. needn't come B. don't need come C. needn't coming D. needn't to come ( )10.----How many people will come to Beijing next year? ----It's hard to say. _________people , I think. A. Million of B. Millions of C. Three millions D. Three millions of ( )11.-----Whose guitar is this? -----Susan plays the guitar. It must _______. A. belong to her B. belong her C. belong to hers D. belong hers ( )12.Do you like music ____makes you excited? A. that B. what C. who D. it ( )13.We prefer ________at the party rather than______. A. to sing; dance B. to sing ; dancing C. sing; to dance D. sing ;dance ( )14.------Where would you like to visit? ------ I'd like to visit____ A. warm somewhere B. warm anywhere C. somewhere warm D. anywhere warm ( )15.I like places __________it's not cold in winter. A. those B. which C. where D. this
2019-2020 年初三下学期英语期中考试试题 一、听力测试（25 分） A) 请听下面 5 段对话。每段对话后有一小题，从题中所给的A、B、 C 三个选项中选出最佳选项。听完每段对话后，你都将有10 秒钟的时间回答有关小题和阅读下一小题。每段对话 读两遍。 ( 每小题 1 分 ) ( ) 1. What time is it now? A. 8:10. B. 5:15. C. 8:40. ( ) 2. Where did this conversation most probably take place? A. In a cinema. B. In a restaurant. C. In a shop. ( ) 3. How much will the man pay for these T-shirts? A. 9 yuan . B. 36 yuan. C. 18 yuan. ( ) 4. When can the man come to see the doctor this week? A. Tuesday. B. Wednesday. C. Thursday. ( ) 5. What does the man imply ( 隐含 ) about Lucy? A. She went shopping yesterday. B. She doesn ’ t like to go shopping. C. She doesn ’t live near the shops. B) 请听下面 4 段对话和 1 段独白。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都将有30 秒钟的时间阅读各小题。每段 对话或独白读两遍。 ( 每小题 1 分 ) 请听第 1 段对话，回答第 6 至 7 小题。 ( ) 6. Where does the woman want to go? A. To the hotel. B. To the hospital. C. To the station. ( ) 7. Which bus can take the woman there? A. No. 4 bus. B. No. 45 bus. C. No. 5 bus. 请听第 2 段对话，回答第8 至第 9 小题。 ( ) 8. What are they getting ready for? A. Teachers ’ Day. B. Children's Day. C. Women's Day. ( ) 9. Where will the party be held? A. In the office. B. In the library. C. In the classroom. 请听第 3 段对话，回答第10 至第 l2 小题。 ( ) 10. Who did Tom go to China with? A. His classmates. B. His parents. C. His friends. ( ) 11. What did they go to China for? A. To work. B. For a holiday. C. To see their friends. ( ) 12. What is Shanghai like? A. Big but dirty. B. Big and modern. C. Small but modern. 请听第 4 段对话，回答第13 至第 l6 小题。 ( ) 13.Why does Mike give a party? A. He has got a new car. B. He has passed the exam. C. He has moved to a new house. ( ) 14.When will Mike have the party? A. This Sunday evening. B. This Saturday evening. C. Next Saturday afternoon.
青岛版九年级数学下册期中试卷 一、选择题 1．下列说法中正确的是（） A．用图象表示变量之间关系时，用水平方向上的点表示自变量 B．用图象表示变量之间关系时，用纵轴上的点表示因变量 C．用图象表示变量之间关系时，用竖直方向上的点表示自变量 D．用图象表示变量之间关系时，用横轴上的点表示因变量 2．下列的曲线中，表示y是x的函数的有（） A．1个B．2个C．3个D．4个 3．下列关系中，两个变量之间为反比例函数关系的是（） A．长40米的绳子减去x米，还剩y米 B．买单价3元的笔记本x本，花了y元 C．正方形的面积为S，边长为a D．菱形的面积为20，对角线的长分别为x，y 4．当k=﹣2时，下列双曲线中，在每一个象限内，y随x增大而减小的是（）A．y=﹣B．y=C．y=D．y= 5．如图，点A（m，1），B（2，n）在双曲线y=（k≠0），连接OA，OB．若S =8，则k的值是（） △ABO A．﹣12B．﹣8C．﹣6D．﹣4
6．若y=（m﹣1）x是关于x的二次函数，则m的值为（）A．﹣2B．﹣2或1C．1D．不存在 7．下列成语所描述的事件为随机事件的是（） A．水涨船高B．水中捞月C．守株待兔D．缘木求鱼8．在不透明的布袋中装有2个白球，3个黑球，它们除颜色外完全相同，从袋中任意摸出一个球，摸出的球是白球的概率是（） A．B．C．D． 9．将下列如图的平面图形绕轴l旋转一周，可以得到的立体图形是（） A．B． C．D． 10．关于抛物线y=x2﹣4x+4，下列说法错误的是（） A．开口向上 B．与x轴只有一个交点 C．对称轴是直线x=2 D．当x＞0时，y随x的增大而增大 11．二次函数y=ax2+bx+c（a≠0）的图象如图所示，下列结论：①abc＞0；②b2﹣4ac＜0；③4a+c＞2b；④（a+c）2＞b2；⑤x（ax+b）?a﹣b，其中正确结论的是（）
九年级数学期中考试题卷 一、选择题：（每小题2分，共30分） 1、下列图形中，既是轴对称图形又是中心对称图形的是（ ） 2、2)3(-的结果是（ ） A. －3 B. 9 C. 3 D.－9 3、.若13-m 有意义，则m 能取的最小整数值是（ ） A ．m=0 B ．m=1 C ．m=2 D ．m=3 4、下列各式中是最简二次根式的是（ ）. A ．3a B ．8a C ．1 2 a D ．2a 5、下列等式不成立的是（ ） A 、66326=? B 、428=÷ C 、 D 、228=- 6、方程2 (2)9x -=的解是（ ） A ．1251x x ==-， B ．1251x x =-=， C ．1211 7x x ==-， D ．12117x x =-=， 7、用配方法解方程2 250x x --=时，原方程应变形为( ) A 、2 (1)6x += B 、2 (1)6x -= C 、2 (2)9x += D 、2 (2)9x -= 8、已知关于x 的一元二次方程22 (1)10a x x a -++-=一个根为0，则a 的值为（ ） A ．1 B ．－1 C ．1或－1 D ． 12 9、.已知点(,3)A a -是点(2,)B b -关于原点O 的对称点，则a +b 的值为（ ） A 、6 B 、5- C 、5 D 、6± 10、在平面直角坐标系中，点A （3，20）绕原点旋转180°后所得点的坐标为（ ）
A.（－3，20） B.（3，－20） C.（－3，－20） D.（20，－3） 11、如图，⊙O 是△ABC 的外接圆，BOC ∠=100°，则∠A 的度数等于（ ） A 、60° B 、50° C 、40° D 、30° 12、如图，⊙O 的直径为10，圆心O 到弦AB 的距离OM 的长为3，则弦AB 的长是（ ） A ．4 B ．6 C ．7 D ．8 13、已知a ，b ，c 是△ABC 三条边的长，那么方程cx 2+(a+b)x+ 4 c =0的根的情况是( )． A ．没有实数根 B ．有两个不相等的实数根 C ．有两个相等的实数根 D ．有实数根 14、三角形两边的长分别是8和6，第三边的长是方程x 2－12x ＋20＝0的一个实数根，则三角形的周长是( ) A . 24 B . 26或16 C . 26 D . 16 15、在一幅长为80cm ，宽为50cm 的矩形风景画的四周镶一条相同宽度的金色纸边，制成一 幅矩形挂图，如图5所示，如果要使整个挂图的面积是5400cm 2 ，设金色纸边的宽为x cm ， 那么x 满足的方程是（ ） A ．2 13014000x x +-= B ．2 653500x x +-= C ．213014000x x --= D ．2 653500x x --= 二、填空题（每小题3分，共45分） 16、计算=-?863_______． 17、一元二次方程:x x 22=的解是: ; 18、 在函数y=3x +中，自变量x 的取值范围是 19、如图，将Rt △ABC(其中∠B ＝300，∠C ＝900 ）绕A 点按顺时针方向旋转到 △AB 1 C 1的位置，使得点C 、A 、B 1在同一条直线上，那么旋转角最小等于_______° 20、如图，BD 是⊙O 的直径，∠A=30°，则∠CBD=_________． 21、若x x m －m +-2 2 2)(－3=0是关于x 的一元二次方程，则点（m-2,2-m ） 关于原点对称的点是______． 22、圆中与半径相等的弦所对的圆周角等于 . 23、关于x 的一元二次方程()02m x 1-m -x 2 =-+有两个相等的实数根，则m ＝ ____________
九年级第二学期期中考试试题及答案 一、基础?使用（共24分） （一）选择。下面各题均有四个选项，其中只有一个符合题意，选出答案后在答题卡上用 铅笔把对应题目的选项字母涂黑涂满。（共14分。每小题2分） 1.下列词语中加点字的读音完全准确的一项是 A.剔除（t i）着落（zh do）骇人听闻（h ci ） B.吟诵（y m）祈祷（q i）载歌载舞（z d ） C.贮藏（ch u ）慨叹（k d ）恰如其分（f引） D.宿营（s d）憎恶（w d）锐不可当（d oig） 2.下列句子中有错别字的一项是 A.西山国家森林公园群峰叠翠，风光绮丽，真是人们登山赏景的好去处。 B.面对匆匆流逝的光阴，我们不应荒废时日，而应该充实而快乐地生活。 C.联谊会上即兴表演一个节目，对多才多艺的他来说是件轻而义举的事。 D.演唱结束了，听众还沉浸在美妙的歌声中，整个音乐厅一时变得鸦雀无声。 3.在校园文化节中，初三（1 ）班李晓与王晨代表年级参加了学校的辩论赛。李晓的活泼诙 谐赢得了观众的阵阵掌声，王晨的冷静严谨也获得了评委们的一致赞扬。比赛结束后，学校 决定让两人组队参加区中学生辩论赛。同学们纷纷评价李晓和王晨的组合特点。评价最恰当 的一句是 A.同学甲：他们俩真是相得益彰！ B.同学乙：他们俩可谓尺有所短，寸有所长。 C.同学丙：他们俩不能不说是尺有所短，寸有所长。 D.同学丁：他们俩难道不是相得益彰吗？ 4?在下面语段中，依次填入关联词语最恰当的一项是 用黑色的墨水在白色的纸、绢上作画，这是中国画家所钟情的“黑白世界”。黑白世界，对中国人来说，它没有绚烂富丽的颜色，它的水墨颜色最能表现自然的朴素本性，能够体现出 画家追求自然妙趣的思想。水墨山水在中国绘画中占有极大的地位。 A.因为所以而且 B.虽然但是所以 C.不但而且所以 D.因为所以而且 5.依据语段内容，对画线病句的修改最恰当的一项是 北京天坛的建筑设计，处处突显出与天相关的神秘性。天坛从南到北依次为圜丘、皇穹 宇、祈年殿，整体表现出连续上升的势态。位于最高点的祈年殿，屋檐层层收缩上举，直入云霄。祈年殿、皇穹宇都采用蓝色琉璃瓦，四周的墙壁上也以蓝色为主调，表现出天的颜色。 圜丘中被视为天所居之位的天心石，人站其上，说话的声音就会从脚下升起，再从四周返回， 仿佛在与天沟通交流。天坛使这些特点具有一种和谐、静穆、崇高的意境之美。 A.修改：天坛使这些特点具有一种崇高、静穆、和谐的意境之美。 B.修改：天坛使这些特点具有一种崇高、和谐、静穆的意境之美。
九年级（下册）期中考试数学试卷 一．选择题（共10小题） 1．环境监测中PM2.5是大气压中直径小于或等于0.0000025米的颗粒物，将数据0.0000025用科学记数法表示为（） A．0.25×10﹣5B．2.5×10﹣6C．2.5×10﹣5D．25×10﹣7 2．下列运算正确的是（） A．a3+a4＝a7B．2a3?a4＝2a7C．（2a4）3＝8a7D．a8÷a2＝a4 3．的平方根是（） A．4B．±4C．2D．±2 4．如图，直线l1∥l2∥l3，点A、B、C分别在直线l1、l2、l3上，若∠1＝72°，∠2＝48°，则∠ABC＝（） A．24°B．120°C．96°D．132° 5．下列图形中既是轴对称图形，又是中心对称图形的是（） A．B． C．D． 6．九年级一班数学老师对全班学生在模拟考试中A卷成绩进行统计后，制成如下的统计表：成绩（分）808284868790 人数8129358 则该班学生A卷成绩的众数和中位数分别是（） A．82分，82分B．82分，83分C．80分，82分D．82分，84分 7．巴中日报讯：今年我市小春粮油再获丰收，全市产量预计由前年的45万吨提升到50万吨，设从前年到
今年我市的粮油产量年平均增长率为x，则可列方程为（） A．45+2x＝50B．45（1+x）2＝50 C．50（1﹣x）2＝45D．45（1+2x）＝50 8．某校美术社团为练习素描，他们第一次用120元买了若干本资料，第二次用240元在同一商家买同样的资料，这次商家每本优惠4元，结果比上次多买了20本．求第一次买了多少本资料？若设第一次买了x 本资料，列方程正确的是（） A．﹣＝4B．﹣＝4 C．﹣＝4D．﹣＝4 9．如图，△ABC绕点A顺时针旋转80°得到△AEF，若∠B＝100°，∠F＝50°，则∠α的度数是（） A．40°B．50°C．60°D．70° 10．如图是二次函数y＝ax2+bx+c图象的一部分，图象过点A（﹣3，0），对称轴为直线x＝﹣1，给出四个结论： ①c＞0； ②若点B（﹣，y1）、C（﹣，y2）为函数图象上的两点，则y1＜y2； ③2a﹣b＝0； ④＜0， 其中，正确结论的个数是（） A．1B．2C．3D．4 二．填空题（共5小题）
【必考题】九年级数学下期中试卷及答案 一、选择题 1．有一块直角边AB=3cm，BC=4cm的Rt△ABC的铁片，现要把它加工成一个正方形（加工中的损耗忽略不计），则正方形的边长为（） A．6 7 B． 30 37 C． 12 7 D． 60 37 2．如果反比例函数y=k x （k≠0）的图象经过点（﹣3，2），则它一定还经过（） A．（﹣1 2 ，8）B．（﹣3，﹣2） C．（1 2 ，12）D．（1，﹣6） 3．如图，用放大镜看△ABC，若边BC的长度变为原来的2倍，那么下列说法中，不正确的是（）． A．边AB的长度也变为原来的2倍；B．∠BAC的度数也变为原来的2倍；C．△ABC的周长变为原来的2倍；D．△ABC的面积变为原来的4倍； 4．如图，菱形OABC的顶点A的坐标为（3，4），顶点C在x轴的正半轴上，反比例函 数y=k x （x＞0）的图象经过顶点B，则反比例函数的表达式为（） A．y=12 x B．y= 24 x C．y= 32 x D．y= 40 x 5．如图，在平行四边形ABCD中，F是边AD上的一点，射线CF和BA的延长线交于点 E，如果 1 2 C EAF C CDF V V ，那么 S EAF S EBC V V 的值是（）
A ．12 B ．13 C ．14 D ．19 6．下列判断中，不正确的有（ ） A ．三边对应成比例的两个三角形相似 B ．两边对应成比例，且有一个角相等的两个三角形相似 C ．斜边与一条直角边对应成比例的两个直角三角形相似 D ．有一个角是100°的两个等腰三角形相似 7．观察下列每组图形，相似图形是（ ） A ． B ． C ． D ． 8．在同一直角坐标系中，函数k y x =和y=kx ﹣3的图象大致是（ ） A ． B ． C ． D ． 9．如图，在ABC ?中，//DE BC ，9AD =，3DB =，2CE =，则AC 的长为（ ） A ．6 B ．7 C ．8 D ．9 10．如图，某校数学兴趣小组利用自制的直角三角形硬纸板DEF 来测量操场旗杆AB 的高度，他们通过调整测量位置，使斜边DF 与地面保持平行，并使边DE 与旗杆顶点A 在同一直线上，已知DE=0.5m ，EF=0.25m ，目测点D 到地面的距离DG=1.5m ，到旗杆的水平