初一年级奥林匹克英语竞赛试题一、单项选择（20分）
A．英语常识
21．英语中有两个字母可以单独成词，是：（）
A. OU
B. YO
C. IA
D. YU
E. IO
22．指出下列所给五个选项中，哪一组意思是表示“中国民航”和“特别行政区”：（）
A. BEC,SAR
B. PRC,IOC
https://www.doczj.com/doc/d517598185.html,P,WTO
D. MBA,CBC
E.CAAC,SAR
23. 总的说来，英语名词可以分为：（）
Ａ.可数名词和不可数名词Ｂ.单数名词和复数名词
Ｃ.专有名词和复数名词Ｄ.普通名词和不可数名词
Ｅ.专有名词和普通名词
24．在英汉两种语言中，英语是以（）为单位的，汉语是以（）为单位的。
Ａ.字，词Ｂ.字,字
Ｃ.词,词Ｄ.词,字Ｅ. 字和词，字
25.判断下列缩写词不达意的正确全称：ＨＫ和ＰＥ
A. Hong Kong, Peasant Education
B. Han Kou, Physical Education
C. Hong Kong, Physical Education
D. Han Kou, Parents’ Enjoyment
E. Hong Kou Airport, Personal English
B．综合填空
26. The flower ______ very nice.
A. has
B. are
C. comes
D. looks
27. I want a sweater ______ this red one.
A. like
B. look like
C. looks like
D. likes
28. Please _____ the car black.
A. to color
B. coloring
C. color
D. colors
29. What’s the time ____ your watch?
A. on
B. by
C. of
D. in
30. _______ shoes are these? They are John’s.
A. Whose
B. Who’s
C. Who
D. Who are
31. You must look after your clothes _______.
A. good
B. nice
C. well
D. fine
32. ----Jim, is this your book?
----No, it’s _______.
A. her
B. my
C. Lucy’s and Lily’s
D. his
33. There’s ____”m” and _____ “u” in “music”.
A. a, an
B. an, a
C. an, an
D. a, a
34. ----What’s a hundred and two _____ ninety-sever.
----It’s five.
A. of
B. minus
C. to
D. plus
35. Miss Gao is our teacher. She teaches _____ English.
A. my
B. me
C. our
D. us
C．判断下列各句是否有误，请从A、B、C、D中选出，如无误，请选E
36. Does your sister want a sweater like this one?
A. Does
B. your sister
C. wants
D. this one
E. No error
37. Some man teachers are under the big tree. Let’s go and help them.
A. man teachers
B. under
C. Let’s go
D. them
E. No error
38. My dog is black and white. What about you?
A. my dog
B. black and white
C. what about
D. you
E. No error
39. Can you see that tree house in the tree? It’s Kate’s and Lucy’s.
A. see
B. that tree house
C. in
D. Kate’s and Lucy’s
E. No error
40. I have a twin brother. We are in China now.
A. I
B. have
C. a win brother
D. in China
E. No error
二、情景对话
A．根据所提供的情景，选择正确的问句或答句
41. ----________.
----I am.
A. Who’s on duty today?
B. Are you Mr. black?
C. Are you John’s brother?
D. Are you from America?
42. ----Is Tim like his father?
----_______.
A. Yes, he likes his father
B. No, he isn’t
C. Yes, he does
D. I think so
B．逻辑排列，选择下列每组句子的对话顺序
43. (1) What color are they?
(2) No, they are sheep.
(3) What’re those over there? Are they dogs?
(4) They’re white.
A. (1)(2)(3)(4)
B. (1)(4)(3)(2)
C. (3) (4)(1)(2)
D. (3)(2)(1)(4)
44. (1) Please come in. this way, please.
(2) Fine, thank you. How are you?
(3) I’m fine, too. Thanks.
(4) Hello, Jim. Good! You’re at home. How are you?
(5) OK. Thanks.
A.(4)(2)(3)(1)(5)
B.(4)(3)(2)(1)(5)
C.(1)(5)(4)(2)(3)
D.(1)(4)(3)(2)(5)
45. (1) Oh, this is my cat, Mimi.
(2) Hello, Mimi! You look like Lucy’s hat.
(3) Who’s Lucy?
(4) She’s a new student. She is American.
(5) Oh, I see.
A.(1)(2)(3)(4)(5)
B. (5)(2)(1)(3)(4)
C. (2)(1)(3)(4)(5)
D. (3)(4)(1)(2)(5)
三、完型填空
It is Sunday today. ___46___ is a fine day. The sky is ___47___. Mrs. Green is __48___ his family. The family are having an outing（外出游玩）. Tom is Mr. and Mrs. Green’s son. Mary is ___49__. They are ___50___ alo ng（沿着）a small river. There are some boats __51____ river. Mr. and Mrs. Green are looking at __52___. Mary is not looking at the boats. She is looking at some ducks（鸭子）. The ducks are swimming（游泳）__53___ the river. What is Tom _54____? He is in the river now. He is _55__. Mr. Green and his family are very happy today!
46. A. This B. That C. It D. Its
47. A. green B. blue C. black D. brown
48. A. and B. for C. and with D. with
49. A. his daughter B. her daughter
C. your daughter
D. their daughter
50. A. working B. washing C. walking（散步） D. swimming
51. A. on B. in C. in a D. on a
52. A. it B. them C. these D. those
53. A. on B. under C. to D. in
54. A. cleaning B. doing C. watching D. making
55. A. playing B. washing his clothes
C. swimming
D. jumping（跳）
四、阅读理解
A
My father has a good friend in his factory（工厂）. He’s an old man. He is 58. all t he children like him. We call（叫）him Uncle Wang. He comes from England. He lives in Beijing. He can’t speak Chinese. We teach（教）him Chinese. He teaches us English. He doesn’t work on Sundays. Look! He’s mending（修理）his car at home. He likes making machines（机器）.he likes watching TV with his son and daughters in the evening.
根据短文内容，完成下列句子，每空一词
56. Uncle Wang and m father are in the ______factory.
57. Uncle Wang’s _____is fifty-eight.
58. Now Uncle Wang’s ______ is in China.
59. We can’t speak _____ very well. So Uncle Wang helps us.
60. Uncle Wang’s ____ are with Uncle Wang in Beijing.
B
Mr. Black is an Englishman. He is over 660 years old. He leaves（离开）his factory （工厂）and stays（呆）at home now. he is a kind and hard-working（勤劳的）man. He likes growing（种植）different kinds of flowers in his garden（花园）. He works there every day（每天）. So his flowers grow very well and look very nice.
Many young and old people come to have a look at the flowers in his garden. He often （常常）picks（摘）and sends（送）some flowers to them when（当。。。的时候）they leave. This makes （使得）him very happy and they love him very much.
61. Mr. Black is ____ England.
62. Mr. Jackson is very _____ and he works hard every day.
63. His flowers in his garden look very ____ and people love them.
64. When people come to his garden, he often sends _____ some flowers.
65. He is very _____ when people say good to his flowers.
C
Mr. Jackson is seventy-seven. But he likes eating（吃）ice-cream（冰淇淋）. On his way home, he buys（买）one. Great! No one sees him he can eat it now. suddenly （突然）, he sees Mrs. Smith comes here with her dog, Bill. Mr. Jackson doesn’t want her to see him eating an ice cream in the street（街道）. So he hides（藏）it behind
his back（背后）, and says hello to her. Mrs. Smith is happy and she talks（交谈）a lot about her family. But Mr. Jackson worries about his ice cream very much, because the dog turns round （转到后面）him to lick（舔）it.
根据短文内容，判断正误（正确的选A，错误的选B）
66. Mr. Jackson looks like boy.
67. On his way home, he wants an ice cream.
68. Mrs. Smith sees him and his ice cream.
69. Bill finds the ice cream.
70. At last Jackson can’t eat his food.
D
We have two new students in our school. They are Mike and Tim they look the same, but they are not twins.
Mike is American. He is twelve. He is in Class Four. He has a little sister. He often（常常）looks after her.
Tim is Canadian（加拿大人）. He is twelve, too. He is in Class One. He likes football. He often plays football with Mike and Tim are gook friends. They are in No. 10 Middle School.
根据短文内容，选择正确答案
71. Mike is _______.
A. Japanese
B. Chinese
C. Canadian
D. American
72. Mike _____ Tim.
A. looks like
B. looks after
C. looks at
D. looks the same
73. Mike and Tim are in _____.
A. the same class
B. the same school
C. different grades
D. different schools
74. Who like football, Tim or Mike? ______.
A. Yes, Tim
B. Yes, Mike
C. Tim
D. Mike
75. Which is right?
A. Mike is thirteen.
B. Tim often looks after his little sister.
C . Mike and Tim are gook friends.
D. Mike and Tim are twins.
五、句型转换（4分）（每空一词）
76. She has a sheep and a photo I her house.（改为复数句子）
________ some ________ and _______ in ______ houses.
77. It isn’t Jack’s bike. I think.（同义句转换）
I ________ think it ________ Jack’s bike.
78. Let’s go to school now.（改为否定句）
_______ _______ go to school now.
六、动词填空（2分）（每空可填一词以上）
79. Jim with his parents ____(go) to London every year.
80. Five plus ten ___(be) fifteen.
81. There ______ (be) some money in my purse.
82. My parents would like me _____ (read) English in the morning.
七、翻译
83．树房里的那件上衣是你弟弟的吗？
84．桌上有几杯咖啡？
八、智力测试
85. Mr. Green has a daughter. He loves her very much. And his daughter has a son. Mr. Green loves his daughter, so he likes his grandson（孙子）very much, too. So there is a saying（谚语）:”Love me, love my dog. “ What’s the Chinese meaning（意思）. It’s _____________(in Chinese).
86. It’s raining cats and dogs now. the words “cats and dogs” means（意思指）:___________________________________. (In English).
87. My uncle has a brother. He is not my uncle. Who is he? He is my ____________________.
88. My sister’s Brown’s daughter, but Brown isn’t her mother, Brown is her _______________________.
89. “Walls have ears” means: __________________________. (In Chinese)
90. What letter s a vegetable（蔬菜）: __________________________.
91.----Can you take 1 from 4（从4中取走1）and get 5? How?
----Yes. Take ______ from _____ and I can get _____.
92. Jim, Tom and Sam have seventeen apples, Jim wants one-half （二分之一）of them, Tom wants one third（三分之一）of them, Sam wants one ninth（九分之一）of them, at last do you know how many apples Sam can get? ( He can get ___________________)
九、写作（5分）
提示：讲述一个小偷（thief）偷你钱及你如何对付的故事
要求：
1．语言流畅，无语法、拼写错误，意思无误
2．字数60个左右
3．书写工整
4．以日记格式
21- 40: cdeec, dacba, cdbbc, cadde
41- 60: abcaa, cbddc, dbdbc, same, age, home, English, children
61- 75: from, kind, nice, them, happy, babaa, dabcc
76: They’ve sheep photos their
77: don’t is
78: Let’s not
79: goes
80. is
81. is
82. to read
83. Is the coat in the treehouse your brother’s?
84. How many cups of coffee are there on the table?
85.爱屋及乌86.heavily 87. father 88. father 89. 隔墙有耳90. P 91. I, IV, V 92. two
初一英语（上）测试题 Name: Score: 一、单项选择（共20小题；每小题1分，满分20分） 从A、B、C、D四个选项中选出可以填入空白处的最佳选项。 1. There is ________ egg in the bowl. A. the B. a C. / D. an 2. It’s six thirty now. He ________ breakfast. A. has B. have C. is having D. are having 3. —________ any American teachers in your school? —________ . There are many. A. Is there; Yes，there is B. Are there; Yes，there are C. Is there; No，there isn’t D. Are there; No，there aren’t 4. Those flowers ________ Kate $56. A. pay B. take C. cost D. spend 5. Dad，my trousers are old. I want to buy a new ________. A. trousers B. one C. it D. pair 6. Tom needs some help ________ his homework. Can you help ________ ？ A. to , he B. with, him C. to， his D. with， his 7.My brother with his friends often ________ TV far into the night. A. watch B. watches C. is watching D. are watching 8.Uncle ________ exercises. It’s not good for his health. A. sometimes B. seldom C. often D. always 9. 一________do you like this film so much? 一Because its fun. A. How B. What C. Which D. Why 10.一You are first in the high jump. Congratulations. 一________ . A. Don’t say so. B. How can you say that? C. Thanks a lot. D. That’s right. 11.When you finish ________ your homework， you may watch TV. A. do B. to do C. doing D. does 12.一________ your brother ________ to music? 一 No， he isn’t. A. Does， listen B. Do， listen C. Is， listening D. Are， listening 13.The letters“oo”in the word “book” are pronounced ________ . A.[u] B.[u:] C.[?:] D.[?] 14.Can I have ________ snacks? Sorry， we don’t have________. A.any， any B. some， any C. some， some D. any ，some 15.They always have a party ________ the evening of December 31st. A. on B. at C. in D. for
2018年广东省初中数学竞赛初赛试卷 说明：考试时间：60分钟。总分120分。每小题4分。在每小题给出的四个选项中，只有 1.直角坐标平面上将二次函数y=－2（x －1）2 －2的图象向左平移1个单位，再向上平移1个单位，则其顶点为（ ）。 A. （0，0） B. (1,－2) C. (0,－1) D.(－2,1) 2.下列的计算正确的是( ). A ．(ab 4)4=ab 8； B.(－3pq)2 =－6p 2 q 2 C. x 2 － 21x ＋41=( x －2 1)2；D.3(a 2)3－6a 6=－3a 6 3.如图1.以直角三角形ABC 三边为直径的半圆面积分别是S 1、S 2、S 3，直角三角形ABC 面积是S ，则它们之间的关系为（ ）. A. S= S 1＋S 2＋S 3 B. S 1= S 2＋S 3 C. S= S 1＋S 2 C. S= S 1 4. 一辆公共汽车从车站开出，加出速行驶一段时间后匀速行驶，过了一段时间，汽车到达下一个车站.乘客上下车后汽车开始加速，一段时间后又开始匀速行驶，下面可以近似地刻画出汽车在这段时间内的速度变化情况的是（ ）. (A) 时间 速度 (B) 时间 速度
(C) 时间 速度0 (D) 时间 速度 5.如图所示，在边长为a 的正方形中挖去一个边长为b 的小正方形（a ＞b ），再把剩余的部分剪拼成一个矩形，通过计算图形（阴影部分 的面积，验证了一个等式是（ ）. A. a 2 －b 2 =（a+b ）（a-b ） B. （a+b ）2 = a 2 +2ab+ b 2 C. （a-b ）2 = a 2 -2ab+ b 2 D.（a+2b ）（a-b ）= a 2+ab-2b 2 6.在一个仓库里堆积着正方体的货箱若干，要搬运这些箱子很困难,可是仓库管理员要落实一下箱子的数量,于是就想出一个办法:将这堆货物的三种视图画了出来,如图.你能根据三视图,帮他清点一下箱子的数量吗?这些正方体箱的个数是( ). A. 6 B. 7 C. 8 D. 9 主视图 左视图 俯视图 7.在Rt △ABC 中,∠C=90°,则下列式子中不一定成立的是( ). A.sinA=sinB B. cosA=cosB C.sinA=cosB D. sin(A+B)=sinC 8.体育课上全班女生进行了百米测验,达标成绩为18秒,下面是第一小组8名女生的成绩记录,其中正号表示成绩大于18秒,负号成表示绩小于18秒,则这组女生的达标率是( ). A. 41 B.2 C.4 D.8 9.函数y=kx 和y=x k （k ﹤0）在同一坐标系中的图象是（ ）.
3.如图,在长方形ABCD中,E是AD的中点,F是CE的中点, E a+2000的值不能是(). 1998?1998+1998,b=- 1999?1999+1999 ,c=- 2000?2000+2000 , CF=BC,则长方形ABCD的面积是阴影部分面积的 d+2000,则a,b,c,d的大小关系是( 9.有理数-3,+8,-1 2 ,0.1,0,,-10,5,-0.4中,绝对值小于1的数共有_____个;所有 七年级数学竞赛 （时间100分钟满分100分） 一、选择题：(每小题4分,共32分) 1.(-1)2000的值是(). (A)2000(B)1(C)-1(D)-2000二、填空题：(每题4分,共44分) 1.用科学计数法表示2150000=__________. 2.有理数a、b、c在数轴上的位置如图所示: 若m=│a+b│-│b-1│-│a-c│-│1-c│,则1000m=_________. A D 2.a是有理数,则11 若△BDF的面积为6平方厘米,则长方形ABCD的面积 6 (A)1(B)-1(C)0(D)-2000 3.若a<0,则2000a+11│a│等于(). (A)2007a(B)-2007a(C)-1989a(D)1989a 是________平方厘米.F 4.a的相反数是2b+1,b的相反数是3a+1,则a2+b2=____.B C 5.某商店将某种超级VCD按进价提高35%,然后打出“九折酬宾,外送50元出租车费” 4.已知a=- 1999?1999-1999则abc=().2000?2000-20002001?2001-2001的广告，结果每台超级VCD仍获利208元,那么每台超级VCD的进价是________. 6.如图,C是线段AB上的一点,D是线段CB的中点.已知图 (A)-1(B)3(C)-3(D)1 5.某种商品若按标价的八折出售,可获利20%,若按原价出售,则可获利() (A)25%(B)40%(C)50%(D)66.7% 6.如图,长方形ABCD中,E是AB的中点,F是BC上的一点,且A D 1 3 ()倍.E 中所有线段的长度之和为23,线段AC的长度与线段CB的A C D B 长度都是正整数,则线段AC的长度为_______. 7.张先生于1998年7月8日买入1998年中国工商银行发行的5年期国库券1000元. 回家后他在存单的背面记下了当国库券于2003年7月8日到期后他可获得的利息 数为390元.若张先生计算无误的话,则该种国库券的年利率是________. 8.甲、乙分别自A、B两地同时相向步行,2小时后在中途相遇.相遇后,甲、乙步行速 (A)2(B)3(C)4(D)5 7.若四个有理数a,b,c,d满足 B 1111 a-1997=b+1998=c-1999=)F C 度都提高了1千米/小时.当甲到达B地后立刻按原路向A地返行,当乙到达A地后也 立刻按原路向B地返行.甲乙二人在第一次相遇后3小时36分钟又再次相遇,则A、B 两地的距离是_________千米. (A)a>c>b>d(B)b>d>a>c；(C)c>a>b>d(D)d>b>a>c 8.小明编制了一个计算程序.当输入任一有理数,显示屏的结果总等于所输入有理数的平方与1之和.若输入-1,并将所显示的结果再次输入,这时显示的结果应当是(). (A)2(B)3(C)4(D)5 1 3 正数的平方和等于_________. 10.设m和n为大于0的整数,且3m+2n=225. (1)如果m和n的最大公约数为15,则m+n=________. (2)如果m和n的最小公倍数为45,则m+n=________.
三.选择合适的选项。(15分) ()1. —Is it time _____ lunch? - Yes, it ' s time for us ________ have lunch. A. to; to B. to; for C. for; for D. for; to ()2. - Does your brother like singing? - Yes, he does. He wants to be a ________ like Jay Chou. A. dan cer B. swimmer C. sin ger D. player ()3. - I want to buy a card with best ________ for the teacher on Teachers' Day. - Good idea. Let ' s go and ___________ one. A. wish; buy B. wishes; to buy C. wishes; buy D. wish; to buy ()4. - My cousin ______ works hard and the teacher likes him. -He is a good student. A. n ever B. sometimes C. ofte n D. always ()5. - Who is that young woman? - She is _______ teacher. She teaches ________ English. A. our; us B. us; our C. our; our D. us; us ()6. _______ a re in the same class. And we should help each other. A. You, I and he B. I, you and he C. You, he and I D. He, you and I ()7. - ______ Sim on __________ home after school? - _____ . He takes a bus every day. A. Does; walks; No, he isn ' t B. Is; walk; Yes, he is C. Does; walk; Ye s, he does D. Does; walk; No, he does n 't ()8. - ______ Tom at home? - Yes, he ______ go to school today. A. Does; doesn ' t B. Does; isn 't C. Is; isn ' t D. Is; doesn 't ()9. —We will go to Beiji ng n ext week. —_______________ A. Thank you B. You are welcome C. Have a good time D. Don ' t forget it ()10. These boys are _____ football players. They all play football A. good; well B. good; good C. well; good D. well; well ()11. Tom ' s father is talking ________ the teacher _______ Tom ' s En glish. A. with, with B. about, about C. with, about D. about, with ()12. There are two win dows ___ t he wall. ____ the wall there are p ictures. A. on; In B. i n; On C. i n; In D. on; On ()13. My cous in always _________ to school. A. by bus B. by a bus C. take a bus D. takes a bus
七年级数学竞赛题精选 姓名_______ 一.填空题 1.一辆汽车车牌在地面积水中的倒影为 ，请写出该车牌号码 2.已知：|x+3|+|x －2｜＝5，y=－4x+5,则 y 的最大值是 。 3.已知a 、b 为△ABC 的两边，且满足ab b a 222=+，你认为△ABC 是 三角形。 4.在一个5×5 的方格盘中共有 个正方形。 5.已知ab x b a x b x a x +++=++)())((2，观察等式，试分解因式： =+-232x x 。 6.若a 3m ＝3 b 3n ＝2,则(a 2m )3＋(b n )3－b n b 2n ＝ 7.如图，把⊿ABC 绕点C 顺时针旋转o 25，得到⊿C B A ''， B A ''交AC 于D ，已知∠DC A '＝o 90，则∠A 的度数是 ； 8.已知012=-+x x ，则200422 3++x x ＝ ； 一、选择题： 1.下列属平移现象的是（ ） A ，山水倒映。 B.时钟的时针运转。 C.扩充照片的底片为不同尺寸的照片。 D ．人乘电梯上楼。 2.如图，在边长为a 的正方形中挖去一个边长为b 的小正方形，把余下的部分剪拼成一个矩形，通过计算两个阴影部分的面积，验证了一个等式，此等式是（ ） A. a 2－b 2=(a +b)(a －b) B.(a +b)2=a 2+2a b+b 2 C.(a －b)2=a 2－2a b+b 2 D .(a +2b)(a －b)=a 2+a b －b 2 3.已知实数a 、b 满足：1=ab 且b a M +++=1111， b b a a N +++=11，则M 、N 的关系为（ ） （A ）N M > （B ）N M < （C ）N M = （D ）M 、N 的大小不能确定 4.若x 2－2(m －3)x ＋9是一个多项式的平方，则m ＝( ) A 6 B 12 C 6或0 D 0或
二、单项选择（每小题1分，共15分） 请从A、B、C、D四个选项中选出可以填入空白处的最佳选项。( )31. What ______ exciting news it is! Is ______ news true? A. an; the B.an; a C. /; the D. /; a ( )32. —The little dog is very lovely. Is it______? —Yes, but I'll give it to my grandmother as______birthday present. A. you; her B. your; her C.yours; her D. yours; hers ( )33. —When you entered the room, did you notice_______ there? —No, I didn't. I saw______ in it. A. anyone; somebody B.anybody; nobody C. somebody; no one D.somebody; anybody ( )34.It's very ______of the young man tosave the old woman from the river. A.rude B.careful C. brave D. funny ( )35. —_____I try on those shoes in the window? —________，They are just an show. A. Cou ld; So rry,you can't B. Can; Sorry, you couldn't C. Could; Yes, you can D.Can; Yes, you could ( )36. I ofte n go w alking after supper because I think it canhelp me _____ fit.
中国教育学会中学数学教学专业委员会 “《数学周报》杯”2018年全国初中数学竞赛试题 答题时注意： 1．用圆珠笔或钢笔作答； 2．解答书写时不要超过装订线； 3．草稿纸不上交. 一、选择题<共5小题，每小题7分，共35分. 每道小题均给出了代号为A ，B ，C ，D 的四个选项，其中有且只有一个选项是正确的. 请将正确选项的代号填入题后的括号里，不填、多填或错填都得0分） 1．设1a ，则代数式32312612a a a +--的值为( >. .，0y >，且满足3y y x xy x x y ==，，则x y +的值为( >. . 一. 单项填空 1. ---What colour is the bike? ---It’s _______ orange. A. an B. a C. / D. the 2. That isn’t her bag. It’s ________. A. my B. I C. mine D. me 3. ---Oh, your kite is very nice. ---__________________. A. That’s right B. No, it’s not nice C. Yes, it is D. Thank you 4. The woman is sixty, but she _______ young. A. is B. sees C. looks D. watches 5. It’s time ________ lunch. Let’s go home. A. to B. in C. for D. on 6. ---________ is your coat? ---The black one. A. What B. Where C. Which D. How 7. ---________ is the toy? ---It’s on the bed. A. Who B. Where C. What D. Whose 8. The shoes are too old. Put ________ over there. A. it B. they C. their D. them 9. Excuse me. Can you _______ my watch, please? A. look B. look like C. look after D. look at 10. Look _______ the blackboard and listen _______ the teacher. A. / / B. at; to C. after; / D. on; after 11. ---Whose dress is this? ---It’s _________. A. Lucy B. Lucy’s C. Jim D. Jim’s 12. The girl ______ the purple coat is his sister. A. at B. in C. on D. with 13. There is a bird ______ the tree. A. in B. on C. to D. of 14. There are many ________ in our school. A. woman teachers B. woman teacher C. women teacher D. women teachers 15. ---Is there a ball under the desk? ---______________________. A. Yes, it is B. Yes, there’s C. No, there isn’t D. No, there is 16. There _______ some books and a pencil on the desk. A. am B. is C. are D. be 17. ---Let me help you. ---_______________. A. You’re welcome B. Thanks very much 20XX 年全国初中数学竞赛预赛 试题及参考答案 （竞赛时间：20XX 年3月2日上午9:00--11:00） 一、选择题（共6小题，每小题6分，共36分） 以下每小题均给出了代号为A ，B ，C ，D 的四个选项，其中有且只有一个选项是正确的. 请将正确选项的代号字母填入题后的括号里，不填、多填或错填都得0分） 1．若a 是最大的负整数，b 是绝对值最小的有理数，c 是倒数等于它本身的自然数，则201520132014c b a ++的值为【 】 （A ）2013 （B ）2014 （C ）2015 （D ）0 【答】D ． 解：最大的负整数是－1，∴a =－1； 绝对值最小的有理数是0，∴b =0； 倒数等于它本身的自然数是1，∴c =1. ∴201520132014c b a ++= 20152013 1020141+?+-）（=0. 2. 已知实数z y x ,,满足542 2.x y z x y z ++=??+-=?， 则代数式144+-z x 的值是【 】 （A ）3- （B ）3 （C ） 7- （D ）7 【答】A ． 解：两式相减得3-3-3441 3.x z x z =-+=-，则 3．如图，将表面展开图（图1）还原为正方体，按图2所示摆放，那么，图1 中的线段MN 在图2中的对应线段是【 】 （A ）a （B ）b （C ）c （D ）d 图2 图1 d c b a N M 【答】C ． 解：将图1中的平面图折成正方体，MN 和线段c 重合.不妨设图1中完整的正方形为完整面，△AMN 和△ABM 所在的面为组合面，则△AMN 和△ABM 所在的面为两个相邻的组合面，比较图 N M B A B A 图2 图1 d c b a N M （第3题图） 普定县城关镇第一中学2011——2012学年度第一学期 七年级数学竞赛试题 学校： 班级： 姓名： ★亲爱的同学，经过这段时间的中学数学学习，你的数学能力一定有了较大的提高，展示你才能的机会来了！祝你在这次数学竞赛中取得好成绩！别忘了要沉着冷静、细心答题哟！ 一、选择题(每小题6分，共36分) 1、如果m 是大于1的偶数，那么m 一定小于它的……………………（ ） A 、相反数 B 、倒数 C 、绝对值 D 、平方 2、当ｘ＝－2时， 37ax bx +-的值为9，则当ｘ＝2时，3 7ax bx +-的值是 （ ） A 、－23 B 、－17 C 、23 D 、17 3、255 ，344 ，533 ，622 这四个数中最小的数是………………………（ ） A. 255 B. 344 C. 533 D. 622 4、把14个棱长为1的正方体，在地面上堆叠成如图1所示的立体，然后将露出的表面部分染成红色．那么红色部分的面积为 （ ）． A 、21 B 、24 C 、33 D 、37 5、有理数的大小关系如图2所示，则下列式子 中一定成立的是…… （ ） A 、c b a ++＞0 B 、c b a <+ C 、c a c a +=- D 、a c c b ->- 6、某动物园有老虎和狮子，老虎的数量是狮子的2倍。每只老虎每天吃肉4.5千克，每只狮子每天吃肉3.5千克，那么该动物园的虎、狮平均每天吃肉…… …… （ ） A 、 625千克 B 、 725千克 C 、825千克 D 、9 25千克 二、填空题(每小题6分，共36分) 7、定义a*b=ab+a+b,若3*x=27，则x 的值是_____ 8、三个有理数ａ、ｂ、ｃ之积是负数，其和是正数，当x ＝ c c b b a a + + 时，则 ______29219=+-x x 。 9、当整数m ＝_________ 时，代数式 1 36 -m 的值是整数。 10、A 、B 、C 、D 、E 、F 六足球队进行单循环比赛，当比赛到某一天时，统计出A 、B 、C 、D 、E 、五队已分别比赛了5、4、3、2、1场球，则还没与B 队比赛的球队是______ 。 11、甲从A 地到B 地，去时步行，返回时坐车，共用x 小时，若他往返都座车，则全程 只需x 3 小时，，若他往返都步行，则需____________小时。 12、 ._______2007 20061431321211=?+?+?+?K 三、解答题(共28分) 13、现将连续自然数1至2009按图中的方式排列成一个长方形队列，再用正方形任意框出16个数。（14分） （1）设任意一个这样的正方形框中的最小数为n ，请用n 的代数式表示该框中的16个数，然后填入右表中相应的空格处，并求出这16个数中的最小数和最大数，然后填入右表中相应的空格处，并求出这16个数的和。（用n 的代数式表示） （2）在图中，要使一个正方形框出的16个数之和和分别等于832、2000、2008是否可能？若不可能，请说明理由；若可能，请求出该正方形框出的16个数中的最小数和最大数。 图1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 · · · · · · · 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 图2 初一英语试卷 （满分120时间120分钟） 一.单项填空。在每小题给出的四个选项中，选出一个最佳答案，将其字母编号填写 在题前括号内。（本小题共20分，每小题1分）。 1.Look!Thereis________catinthetree. A.nose B.ears C.eyes D.mouth 8.Mr.Whitehasabeautifulgardenwithmany______init. A.flowers B.grass C.villages D.water 9.Igotane-mailthismorning.Itwas____myforeignfriend,Tony. A.in B.on C.at D.from 10.Ididn’tsleep______lastnight.Ifeeltirednow. A.well B.nice C.fine D.good 11.ThisismytwinsisterLucy.BothsheandI______goodatdrawing. A.am B.is C.are D.be 12.Whynot________musicclub? A.He B.Him C.She D.His 18.Youaresobusy.Whatdoyouwantme______foryou? A.do B.done C.todo D.doing 19.There'saredcarparkinginourneighborhood.Doyouknow_______itis? A.what B.who C.whose D.whom -20.-Mom，Iwanttoaskgrandpaaquestion. --Oh._______isreadinganewspaperupstairs. A.HeB．HimC.HisD.Himself 二、完形填空。通读下文，掌握其大意，然后在每小题给出的四个选项中，选出一 2分。） （）7.A.InB.OnC.AtDUnder （）8.A.makeB.makingC.doDtomake （）9.A.learnB.tolearnC.learningDforlearning （）10.A.WhyB.WhatC.HowDwhen 第1页（共1页）一、1.A 2.C 3.B 4.D 5.B 6.D 二、7.-18.30°9.3或-110.221 三、11.（1）19×11=12×?è??19-111；………………………………………………………………………………5分（2）1()2n -1()2n +1；12×?è?? 12n -1-12n +1；…………………………………………………………………………………………………………10分 （3）a 1+a 2+a 3+…+a 100=12×?è??1-13+12×?è??13-15+12×?è??15-17+12×?è??17-19+?+12×?è?? 1199-1201=12×?è?? 1-13+13-15+15-17+17-19+?+1199-1201……………………………………………15分=12×?è??1-1201=12×200201=100201.…………………………………………………………………………………………………20分四、12.（1）130°.…………………………………………………………………………………………………5分 （2）∠APC =∠α+∠β. 理由：过点P 作PE ∥AB ，交AC 于点E .……………………………………………………………10分因为AB ∥CD ， 所以AB ∥PE ∥CD . 所以∠α=∠APE ， ∠β=∠CPE .所以∠APC =∠APE +∠CPE =∠α+∠β.…………………………………………………………15分 （3）当点P 在BD 延长线上时， ∠APC =∠α-∠β；……………………………………………………20分当点P 在DB 延长线上时， ∠APC =∠β-∠α.……………………………………………………25分五、13.（1）根据题意，得t =?è??120-12050×550+5×2+12050≈6.3()h .答：三人都到达B 地所需时间约为6.3h.………………………………………………………………5分 （2）有，设甲从A 地出发将乙载到点D 行驶x 千米，放下乙后骑摩托车返回，此时丙已经从A 地出发步行至点E ，继续前行后与甲在点F 处相遇，甲骑摩托车带丙径直驶向B,恰好与乙同时到达. …………………………………………………………………………………………………………10分 根据题意，得2?x -x 50?550+5+120-x 50=120-x 5.…………………………………………………………15分解得x ≈101.5.…………………………………………………………………………………………20分则所用总时间为t =101.550+120-101.55≈5.7()h .答：有，方案如下:甲从A 地出发载乙，同时丙步行前往B 地，甲载乙行驶101.5千米后放下乙，乙步行前往B 地，并甲骑摩托车返回，与一直步行的丙相遇.随后甲骑摩托车载丙径直驶向B 地，恰好与步行的乙同时到达，所需时间为5.7h.………………………………………………………………………25分 七年级（上）数学竞赛试题 （满分100分，时间2小时） 姓名__________ 班级____________________得分________ 一、 耐心填一填（每题5分） 1.()()_______________154 1957.0154329417.0=-?+?+-?+?。 2. 定义a*b=ab+a+b,若3*x=27，则x 的值是________。 3.有一个正方体，在它的各个面上分别标上字母A 、B 、C 、D 、E 、F ，甲、乙、丙三位同学 从不同方向去观察其正方体，观察结果如图所示。问：F 的对面是 。 F A D B C A E D C **、B 、C 、D 、E 、F 六足球队进行单循环比赛，当比赛到某一天时，统计出A 、B 、C 、D 、 E 、五队已分别比赛了5、4、3、2、1场球，则还没与B 队比赛的球队是 。 5. 用 1、2、3、4、5这五个数组成一个数字不重复的五位数中抽到的数是15的倍数的 概率是 。 6.某商场经销一种商品，由于进货价格比原来预计的价格降低了6.4%，使得销售利润增加 了8个百分点，那么原来预计的利润率是 。 二、 细心选一选（每题5分） 1.如果有2005名学生排成一列，按1、2、3、4、3、2、1、2、3、4、3、2、1……的规律 报数，那么第2005名学生所报的数是（ ） A 、1 B 、2 C 、3 D 、4 2. 某商场国庆期间举行优惠销售活动，采取“满一百元送二十元，并且连环赠送”的酬 宾方式，即顾客每消费满１００元（１００元可以是现金，也可以是购物券，或二者合 计）就送２０元购物券，满２００元就送４０元购物券，依次类推，现有一位顾客第一 次就用了１６０００元购物，并用所得购物券继续购物，那么他购回的商品大约相当于 打（ ）销售。 Ａ、９折 Ｂ、8.5折 C 、８折 Ｄ、7.5折 3.如图，已知B 是线段AC 上的一点，M 是线段AB 的中点，N 是线段AC 的中点，P 为NA 的 中点，Q 是AM 的中点，则MN ：PQ 等于（ ） 初一英语测试题 一、单词辨音在A、B、C、D四个选项中找出一个读音与其他三个不同的单词。（本大题共5分，每小题0.5分） 1. A. cake B. any C. late D. gate 2. A. lesson B. next C. enjoy D. seven 3. A. bike B. sign C. twin D. white 4. A. orange B. only C. model D. clock 5. A. put B. club C. mum D. lunch 6. A. good B. cook C. afternoon D. foot 7. A. wishes B. dances C. watches D. flies 8. A. who B. when C. what D. white 9. A. English B. morning C. evening D. sing 10. A. thank B. three C. those D. thirty 二、单项填空在A、B、C、D四个选项中，选出可以填入空白处的最佳选项。（本大题共15分，每小题1分） 1. Eddie has ______ e-dog. He is the master of ______ e-dog. A. a; a B. the; an C. a; the D. an; the 2. –– Can she ______ TV now? ––No, she can’t. She ______ do her homework first. A. watch; can B. watch; must C. watches; must D. watches; can 3. I want to see my grandparents ______8 a.m. ______ this Sunday. A. at; on B. at; in C. at; 不填 D. in; on 4. ––What’s that man in a black shirt? ––_______. A. He’s John B. He’s a man C. It’s John D. He’s a worker 5. I don’t know your sister. ______ her ______ long or short? A. Are; hair B. Is; hairs C. Is; hair D. Are; hairs 6. Li Na is a very _______ tennis player. She plays very______. A. good; good B. good; well C. well; well D. well; good 7. ––______ many of you good at ______? ––No, only Tom ______. A. Does; swimming; does B. Are; swim; are C. Are；swimming; is D. Is; swimming; is 8. Miss Li is ______ Biology teacher. We all like ______ very much. A. our; she B. our; her C. us; her D. us; hers 9. It’s half past six! Please wake ______. It’s time ______ school. A. him up; for B. up him; for C. up him; to D. him up; to 10. –– ______ your mother get up at 7:00 a.m. every day? –– ______. She always gets up at 6:00 a.m. to cook breakfast for us. A. Is; Yes, she is B. Is; No, sh e isn’t C. Does; Yes, she does D. Does; No, she doesn’t 11. Excuse me. How do you ______ that in English? 2019初中数学竞赛初赛试题 A级基础题 1.(2013年北京)在一个不透明的口袋中装有5个完全相同的小球，把 它们分别标号为1,2,3,4,5，从中随机摸出1个小球，其标号大于2的概率为( ) A.15 B.25 C.35 D.45 2.(2013年上海)将“定理”的英文单词theorem中的7个字母分别写 在7张相同的卡片上，字面朝下随意放在桌子上，任取1张，那么取 到字母e的概率为____________. 3.(2013年湖北宜昌)2012～2013NBA整个常规赛季中，科比罚球投篮 的命中率大约是83.3%，下列说法错误的是( ) A.科比罚球投篮2次，一定全部命中 B.科比罚球投篮2次，不一定全 部命中 C.科比罚球投篮1次，命中的可能性较大 D.科比罚球投篮1次，不命 中的可能性较小 4.(2013年福建福州)袋中有红球4个，白球若干个，它们只有颜色上 的区别.从袋中随机地取出1个球，如果取到白球的可能性较大，那么 袋中白球的个数可能是( ) A.3个 B.不足3个 C.4个 D.5个或5个以上 5.(2013年海南益阳)有三张大小、形状及背面完全相同的卡片，卡片 正面分别画有正三角形、正方形、圆，从这三张卡片中任意抽取一张，卡片正面的图形既是轴对称图形又是中心对称图形的概率是________. 6.在一个不透明的盒子中，共有“一白三黑”四个围棋子，它们除了 颜色之外没有其他区别. (1)随机地从盒中提出一子，则提出白子的概率是多少? (2)随机地从盒中提出一子，不放回再提第二子.请你用画树状图或列表的方法表示所有等可能的结果，并求恰好提出“一黑一白”子的概率. B级中等题 7.(2013年重庆)从3,0，-1，-2，-3这五个数中，随机抽取一个数，作为函数y=(5-m2)x和关于x的方程(m+1)x2+mx+1=0中m的值，恰好使所得函数的图象经过第一、三象限，且方程有实数根的概率为 ________. 8.(2013年湖北襄阳)襄阳市辖区内旅游景点较多，李老师和刚初中毕业的儿子准备到古隆中、水镜庄、黄家湾三个景点去游玩.如果他们各自在这三个景点中任选一个作为游玩的第一站(每个景点被选为第一站的可能性相同)，那么他们都选择古隆中为第一站的概率是________. 9.在一个口袋中有4个完全相同的小球，把它们分别标上1,2,3,4.小明先随机地摸出1个小球，小强再随机的摸出1个小球.记小明摸出球的标号为x，小强摸出的球标号为y.小明和小强在此基础上共同协商一个游戏规则：当x>y时，小明获胜，否则小强获胜. (1)若小明摸出的球不放回，求小明获胜的概率; (2)若小明摸出的球放回后小强再随机摸球，问他们制定的游戏规则公平吗?请说明理由. 10.(2012年江西)如图723，大小、质地相同，仅颜色不同的两双拖鞋(分左、右脚)共四只，放置在地板上[可表示为(A1，A2)，(B1，B2)]. (1)若先将两只左脚拖鞋中取出一只，再从两只右脚拖鞋中随机取出一只，求恰好匹配成相同颜色的一双拖鞋的概率; (2)若从这四只拖鞋中随机地取出两最新初一英语试题及答案
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