2013年江岸区新起点考试试卷A4

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2013年江岸区新起点考试英语试卷

2013年江岸区新起点考试英语试卷2013---2014学年度江岸区九年级新起点调考英语试卷第1卷(选择题共85分)第一部分听力部分第二部分笔试部分二、选择填空(共15小题,每小题1分,满分15分)( )26. --I heard that you went hiking last weekend.Was that fun?--No, it was ______. Just after we started, it began to rain heavily and we were all wet.A.surprisingB.excitingC.frustratingD.amazing( )27. --Why do you work very hard all the time?--My father often _________ the importance of hard work on me.A. tellsB. realizesC. impressesD. knows( )28. The thing that _________ is not whether you fail or not, but whether you try it or not.A. mattersB. caresC. agreesD. minds( )29. It is not _________ for me to return all the books to thelibrary now because I still need them.A. difficultB. convenientC. carefulD. important( )30.--When Mrs. Brown mentioned her family, she _________ her voice suddenly.--She doesn’t like talking about her personal things in pub lic.A. brokeB. raisedC. droppedD. opened( )31. --I’ve run out of money to buy a new bike.--Oh, _________. You have to walk to school every day.A. it’s all rightB. that’s too badC. it’s a pleasu reD. that’s a deal( )32. -- Do you know who gets the job?--Ellen. Her rich experience gave her an ________ over other girls for the job.A. attentionB. interestC. advantageD. influence( )33. --Can we rush across the road now?--No, we _________. We have to wait until the light turns green.A. needn’tB. mustn’tC. couldn’tD. shouldn’t( )34.--The writer said that she hoped to ________ the adult readers by the new book.--But it seems that people still prefer her children stories.A. receiveB. reachC. criticizeD. collect( )35. --Do you know__________?--To study for the English test, I guess.A. what he did just nowB. when did he practice EnglishC. why he left so earlyD. how he studied for English( )36.--Don’t be angry with your kid when he makes a mistake again, will you?--No, I won’t. I know that _______ of us are perfect after all.A. noneB. neitherC. eachD. all( )37. --Did she agree with you?--Oh, yes, we’re in ________ agreement.A. patientB. dailyC. softD. complete( )38. --I hear there will be a great old painting on show in the museum next week.--Is it the original drawing or is it just a ___________, then?A. copyB. typeC. pieceD. comic( )39. --Sir, could you please put out your cigarette? This is a smoke-free(无烟的) school.--_________.A. Oh, sorry about thisB. Don’t mention itC. I’d like toD. Put it out at once( )40. --I’m seeing the twin sisters this afternoon. Do you want me to __________ any message?--Yeah. Please ask them to arrive at the meeting on Saturday morning on time.A. give awayB. write downC. pass onD. leave for二、完形填空(共15小题,每小题1分,满分15分)。

江岸区2012-2013学年度九年级起点考试数学试卷(word版有答案)

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2012 年江岸区九年级起点考试数学试卷
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武汉中考信息资源门户网站
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2013年武汉市初中毕业生学业考试-

英语听力训练题训练题（一）听力训练分为第一、第二、和第三节第一节听下面4个问题。

每个问题后有三个答语，从题中所给的A、B、C三个选项中选出最佳选项。

听完每个问题后，你都有5秒钟的时间来作答和阅读下一小题。

每个问题仅读一遍。

1. A. He is working. B. He is in black. C. In the office.2. A. A teapot. B. In the kitchen. C. Very good.3. A. On the floor. B. The brown one. C. Pretty nice.4. A. 7 dollars. B. Very cool. C. At 8 a. m.第二节听下面8段对话。

每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项。

昕完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。

每段对话仅读一遍。

5. How is the weather today?A. Rainy.B.Sunny.C.Windy. 6．Where is the bank?A. In front of the park. B．Opposite the park. C．Next to the park.7. What would the man like to drink?A. Black tea.B. Apple juice.C. Water.8. When is the woman's birthday?A. Next Wednesday.B. Next Thursday.C. Next Tuesday.9. What is Nancy like?A. Quiet.B. Outgoing. C．Boring.10. What does the woman mean?A. James will be on time.B. James won't be on time.C. Nobody will be on time.11. When does Frank hang out with his friends?A. On Sunday morning.B. On Sunday afternoon.C. On Saturday.12. Whose French book might it be?A. Kate's.B. Betty's.C. Tom's.第三节听下面4段对话或独白。

答案江岸区2013中考模拟题.答案doc

江岸区2013中考模拟题（一）听力录音稿与参考答案1. Who is that girl?2. Where is Jack?3. When does school begin?4. What’s in the box?5. W: How are you doing, Jim?M: I’m OK.6. M: Good morning. What can I do for you?W: I’d like a dress for my daughter.7. M: When shall we go to the museum?W: How about Wednesday afternoon?M: But I’ll not be free until Friday.W: OK, let’s make it Friday.8. M: Wow, you have changed! You used to have long curly hair.W: Yes, but now I’m on the swim team, and it’s better for me to have short hair.9. M: Who is not here for class?W: Tom and the twins. Tom is ill at home. And the twins have asked for a leave.10. M: Why are you so good at playing the violin?W: Oh, my mother used to be a violin teacher before she became a doctor.11. M: Shall we go shopping, Sally?W: I’d love to, but my hands are full now. Thank you, anyway.12. M: Is there any room for us?W: I’m afraid not … Oh, wait, maybe I can make some room for your daughter.13-14:W: Excuse me. I’m from Students’ Times. May I ask you some questions?M: Yes, please.W: What would you do if you saw a thief stealing things?M: I’d stop him to do so if there are lots of people around.W: That must be very dangerous, because the thief may hurt you.M: But I’m not alon e. I think lots of people would help me.W: What if you are alone?M: I’d call the police and follow the thief until the police come.W: Oh, you’re a brave boy.M: Because I want to be a policeman when I’m older. It must be very exciting.15-17:W: I heard you took a trip to Mexico.M: Yes, I did.W: How did you like it?M: Oh, I got sick and tired of hotels and hotel food.W: You mean the food there was very awful?M: Yeah. That’s what annoyed me most. And it was too touristy at this time of year. We could hardly find a hotel room.W: Did you see anything special there?M: Not really. The traffic was busy and all the places were full of tourists.W: How long did you stay there?M: Only 3 days. We couldn’t wait to come back.W: I can imagine. East or west, home is the best.18-21:W: Excuse me. What did you say you would like to do, Mr. Green?M: I said I’d better go back to the hotel. I’m meeting someone this evening.W: OK. How are you going back? By bus or by taxi?M: I think I’ll take a taxi. Do you know where I can get one?W: Oh, just wait by the roadside. I’ll wait with you.M: OK. Thanks. Are the taxis in London all black?W: Well, some of them are. Is this your first time in London?M: Yes, it is.W: Oh, look. Here’s one. Taxi!M: Thanks. See you tomorrow.W: See you.22-25: There was an American general who was very important in the American army during the First World War. He was known by everybody in the US and many people wanted very much to have a picture or something else of his in their homes.One day soon after the war the general went to a dentist and had some teeth pulled out. A week later, the general heard that his teeth were being sold in some shops at 5 dollars each. He rushed to his office angrily and ordered to buy all his teeth back!His officers went out at once and were away all day. In the evening they returned and put the teeth they had bought on the table before the general. The general opened his eyes wider—his officers had collected 175 teeth.听力:1-5 BCBAA; 6-10 C BCBB; 11-15 ABBCA; 16-20 BACCB; 21-25 B C BAC单选: 26-30 ACDCB; 31-35 DDBAB; 36-40 AABCB完形: 41-45 BDABD; 46-50 AD A AD;51-55 BBBCD阅读: 56-60 B D CDA; 61-65 CDBAB; 66-70 CBADC短填: 71. favorite 72. prefer 73. beautiful 74. love 75. show up填词: 76. cost 77. changed 78. opened 79. afford80. start81. tiring 82. part 83. write84. character 85. successful江岸区2013中考模拟题（二）听力录音稿与参考答案听力稿及参考答案TEXT1 Who’s that lady?TEXT2 Where is Tom?TEXT3 When does class begin?TEXT4 What’s in that box?TEXT5W:How are you doing?M: I’m OK.TEXT6M:What can I do for you, madam?W: I’d like a pound of fish.TEXT7M: Who’s that girl. Mary?W: Oh, she is my friend, Gina, Gina Green.TEXT8W: Good evening, sir! Can I help you?M: Ok. I’d like mutton and potato noodles, please.TEXT9W: D id you go to the movies yesterday evening, Tom?M: No, I didn’t. I planned to see my friend Jack . But I stayed at home because of the heavy rain. TEXT10M: I’d like to get my sister a nice gift for her birthday.W: Well, she’s learning English. What about an English dictionary?TEXT11M: Can you come to my party tomorrow, Alice?W: Sorry, I can’t. I have to study for a test.TEXT12W: How are you feeling today? Are you OK?M: I’m feeling really sad because I failed the English exam.TEXT13W: Hi! Frank. It’s rainy, but where are you going?M: To the shopping Mall to buy a present for my father.W: For his birthday?M: No. The day after tomorrow is Father’s Day.W: Oh, really? It’s Sunday the day after tomorrow.M: Yes, Father’s Day is on the third Sunday in June. Why not buy something for your dad?W: Good idea. Let’s go together. What are you going to buy for him?M: I’m not sure. Maybe a pair of tennis shoes because he likes playing tennis very much?W: That’s good. Then he can play tennis better. I thought I should buy a drinking cup for my dad, but now a shaver suits him more. I wish he were young forever.M: I agree with you. Then he will feel happier to shave with the new shave. Good feeling certainly will bring him good luck and health.W: Well, the bus is coming! Let’s get on the bus.TEXT14W: Hi, Tom. You’re packing? Where are you going?M: I’m going to Paris.W: Paris? Great! When are you leaving?M:This Saturday.W: So soon? How long is your flight?M: It’s only about eight hours.W: It’s only eight hours? That’s long time!M: Not really. My flight to Sydney last year was over 14 hours.W: What do you do on a plane for that long?M: I can read , eat, watch movies and try to sleep.W: What fun! Will you please email me some photos of Paris?M: Sure.W: Thanks.TEXT15W: Paul. Now some of your teachers have told me that you are not doing well in your studies. Is the work too difficult?M: The work isn’t hard. It’s just that I don’t have much time to study these days. I joined thesoccer team, did a part-time job and volunteered at the students’ center.W: Well. Paul, When do you volunteer at the students’ center?M: From noon to one. I hardly even have time to eat my lunch.W: And you have soccer practice after school?M: Every day. I have soccer practice from three to four and then work part-time at the supermarket from five to eight.W: So you do your homework after that?M: Usually I’m too tired to start right away. I watch TV for a while and do my homework from eleven to one.W: One o’clock in the morning? Paul, you’d better stop playing soccer or stop working. Your school work is more important.M: But I love soccer, Ms Lain. I think I have to give up my job.TEXT16Mrs Green was eighty but she had a small car, and she always drove to the shop in it on Saturday and bought her food.She couldn't drive fast because she was old. But she drove well and never hit anything.Sometimes her grandchildren said to her, “Please don't drive your car, Grandmother.We can take you to the shops.”But she always said, “No, I like driving. I began to drive when I was thirty. I’ve driven for a long time and now I’m not going to stop. “Last Saturday she stopped her car at some traffic lights because they were red, and then it didn’t start again. The lights were green, then yellow, then red, then green, but her car didn’t start.“What am I going to do now?” she said.But then a policeman came and said to her kindly, ”Good morning! Don’t you like any of our colors today?”1—5 B C B A A 6—10 A C C B A 11—15 A A A C A 16—20 C B A B C21—25 B A A C C26-30ACDCB 31-35 D C BCC 36-40 BCACC 41-45 CCBAD 46-50 ADBCA 51-55 AACAC 56-60ABADA 61-65BADBB66-70 ABDAC71.favorite 72.prefer 73.beautiful 74.love 75.show up76.—80. smiled, hoping, driven, moved, confidence,81.—85.easily, finished, crowd, anxiously, results2013年中考英语模拟题（三）参考答案一、听力1-5BC BA A6-10A ACCC11-15BBBCC16-20BCAAC21-25 BCBAC二、选择填空26－40 ACDCB D D CBB ADDCB三、完形填空41－45DDBCC 46－50ADCCB 51－55CABDA四、阅读理解56－60 BDBAD 61-65CACBD 66-70 CDCDA五、词与短语填空71.favorite 72.prefer 73.beautiful 74.love 75.show up五、阅读理解填词76. impressed 77. crying 78. live79. attention 80. care81. company82. everything 83. spend 84. parents 85. looked录音稿第一节1.Who’s that lady?2. Where is Tom?3.When does class begin?4.What’s in that box?第二节5.W:How are you doing?M:I’m OK.6.M:What can I do for you,madam?W:I’d like a pound of fish.Text 7M: What do you think of the coffee?W: I’m not enjoying it. I’m afraid it’s too weak.Text 8W: Are you free this weekend?M: Well, yes. What would you like me to do?Text 9W: I think I’l l buy Allan a black skirt for her birthday.M: Are you sure she would like a black one?Text 10M: Is this restaurant as good as people say?W: It used to be even better.Text 11W: I find it’s not easy to make friends here.M: Don’t worry. It takes ti me.Text 12M: Jane, why didn’t you tidy your bedroom?W: Mm, there’s little time. I don’t want to be late for school.第三节Text 13M: Hi, how are you doing?W: Very well, thank you. You look so excited. Why?M: My father and mother want to invite your parents to go to the movie with them.W: Really? What movie are they going to see?M:The Sound of MusicW: Oh, it is one of my favorite movies. When are they going?M: This Saturday. And we can spend evening at my house. My mom will prepare delicious food for us.W: Wow, that’s great. I’m so happy. Please say thanks to your mom.Text 14W: The bicycle accident in Pine Street was really terrible.M: Yes, it was. The young man on the bicycle was too careless.W: In fact, we must be very careful when we ride bikes. If we ride at night, we should use bike lights or wear light colored clothes.M: Is that so? But we should also know more about traffic rules. If we break the traffic rules, it will be dangerous. And we wouldn’t get fine.W: Why not go to the traffic station to learn more about traffic rules.M: That’s a good idea.Text 15M: I’m sad to tell you these days I feel very bored and lonely. TV programs make me sleep.W: Then, why not listen to music, Sandy? I can bring you exciting CDs and DVDs. They may make you happy.M: OK, thanks. I missed a lot of lessons. I’m worried about the test at the end of this month.W: Take it easy. We’ll take turns to help you with your lessons.M: That’s very nice of you. Err, what about the football game?W: Don’t worry. Let Jim play instead of you. You know he’s pretty good at football, too.M: Sounds good.W: I’m afraid I have to go now. Please take good care of yourself. We hope to see you come back to school soon.M: I will. Thanks a lot. My parents will come back soon.Text 16The phone rang and I picked up the receiver. “Hello.” I said. “Hello!” said the voice, “Bill here. Is Betty there?” “I’m sorry.” I said, “You’ve got a wrong number.” A few seconds later, thetelephone rang again. Just as I expected, it was B ill. “You made a mistake again.” I explained. Then the phone rang a third time. This made me angry. I spoke in a loud voice, “Hello, Bill. Betty here.” For a moment, there was complete silence. Then someone said, “What’s the matter with you, Tom?” It was m y mother!2013年中考英语模拟题（四）参考答案听力材料及参考答案：听力部分第一节（共4小题；每小题1分，满分4分）听下面4个问题，每个问题后有三个答语，从题中所给A、B、C三个选项中选出最佳选项。

武汉市江岸区2012-2013八上期末试卷

'l21DECB A武汉市江岸区2012-2013学年度上学期期末考试八年级数学试题一、选择题(本大题共12小题, 每小题3分, 共36分)1、4的平方根是A.2B.±2C.-2D.42、在函数2-=xy中，自变量x的取值范围是Ａ．x＞2 Ｂ．x＜2 Ｃ．2x≥Ｄ．2x≤3、如图，△ABC≌△BAD，如果AB = 6cm，BD = 5cm，AD = 4cm，那么BC的长是(A) 4cm (B) 5cm (C) 6cm (D) 无法确定4、下列各点，不在函数21y x=-的图象上的是A．（2,3） B．（－2，-5） C．（0，－1） D．（-1，0）5、下列运算中正确的是A、325x x x⋅= B、2x x x+=C、426()x x= D、22(2)4x x-=-6、如图，ABC△与A B C'''△关于直线l对称，则B∠的度数为A、30B、50C、90D、1007、如图，已知∠1=∠2，AC=AD，增加下列条件之一：①AB=AE；②BC=ED；③∠C=∠D；④∠B=∠E．其中能使△ABC≌△AED的条件有A．1个 B．2个 C．3个 D．4个8、下列各式由左边到右边的变形中，是因式分解的为A．ayaxyxa+=+)(B．4)4(442+-=+-xxxxC．)12(22-=-xxxx D．xxxxx3)4)(4(3162+-+=+-9、已知a+b=m，ab=-4，化简(a-2)(b-2)的结果是A. 2m- B. 28m- C. 2m D. 610、已知点（– 4，1y），(2，2y）都在直线132y x=-+上，则1y、2y的大小关系是A．12y y> B．12y y= C．12y y< D．不能比较11、在平面直角坐标系中，直线3y kx=+经过点(-1,1),则不等式30kx+<的解集为A．32x<- B．32x< C．3x<- D．3x<12、点P是等边三角形ABC所在平面上一点，若P和ABCV的三个顶点所组成的PABV、A BCDDBECA CBA PBC V 、PAC V 都是等腰三角形，则这样的点P 的个数为A ．1B ．4C ．7D ．10二、填空题（共4小题，每小题3分，共12分）13、计算： 2313()3x x -= ;23(2)a -=________;82a a ÷=________.14、若y=4y =，则xy=_______.15、等腰三角形的一边等于4，另一边等于9，则它的周长是。

2013届英语试题A4

2013 届九年级第一次联考英语试题（本卷共12页，满分120分，考试时间120分钟）听力理解试听部分：现在是试听时间。

你将听到1段小对话，请根据你所听到的对话，选择与其内容相符的答案。

对话听两遍。

录音内容如下：M：Excuse me, Do you Live here? W：Yes, I do. I live on the third floor.M：Oh. Does Lisa live here ,too? W：Who? Lisa? She lives under me, on the second floor.请看题目：Lisa lives on the floor. A. first B. second C. third根据录音内容，答案为B。

I．听对话，选择图片。

你将听到五段小对话，请根据你所听到的对话，选择与其内容相符的图片。

每段对话听两遍。

（共5小题，计5分）II．听对话，选择答案。

你将听到3段对话，请根据你所听到的对话内容，选择与其内容相符的正确答案。

每段对话听两遍。

（共10小题，计10分）请听第1段对话，回答第6至8小题。

6. What is Lucy doing?A. Watching TV.B. Reading a book.C. Watching a video.7. W here is Dave’s house?A. It’s on the corner.B. It’s next to the restaurant.C. It’s across from the l ibrary.8. What time are they going to meet?A. At 2:30.B. At 3:00.C. At 7:00.请听第2段对话，回答第9至11小题。

9. Where is Tom?A. At home.B. In the school.C. On the Great Wall.10. Who is taking pictures?A. Tony.B. Wang Hui.C. Lingling..11. What is Tom going to send to his mother?A. A pictureB. A present.C. A postcard.请听第3段对话，回答第12至15小题。

武汉市江岸区九年级新起点调考数学试卷及答案.doc

2014～2015学年度江岸区九年级新起点调考数学试卷一、选择题（共10小题，每小题3分，共30分）1．二次根式5x＋有意义x的取值范围是（）．A．x≥－5B．x≤5C．x≤－5D．x＜－5 2．一元二次方程x2－x＝0的根为（）．A．0或－1B．±1C．0或1D．13．将x2＋4x－5＝0进行配方变形，下列正确的是（）．A．(x＋2)2＝9B．(x－2)2＝9C．(x＋2)2＝1D．(x－2)2＝14．顶点为（－5，－1），且开口方向，形状与函数y＝－13x2的图象相同的抛物线是（）．A．y＝13(x－5)2＋1B．y＝－13x2－5C．y＝－13(x＋5)2－1D．y＝13(x＋5)2－15．一元二次方程x2－3x－9＝0根的情况是（）．A．有两个相等实数根B．没有实数根C．有两个不相等实数根D．无法确定6．如图所示，一场暴雨过后，垂直于地面的一棵树在距地面1米处折断，树尖B恰好碰到地面，经测量AB＝3米，则树高为（）．A ．5米B ．10米C．4米D．(10＋1)米7．将二次函数y＝x2的图象向右平移1个单位，再向上平移2个单位后，所得图象的函数表达式是（）．A．y＝(x－1)2＋2B．y＝(x＋1)2＋2C．y＝(x－1)2－2D．y＝(x＋1)2－28．如图，在四边形ABCD中，AD∥BC，DE⊥BC，垂足为点E，连接AC交DE于点F，点G为AF的中点，∠ACD＝2∠ACB，若DG＝3，EC＝1，则DE的长为（）．A．23B ．10C．22D ．59．某公园草坪的防护栏由100段形状相同的抛物线形构件组成，为了牢固起见，每段护栏需要间距0.4m加设一根不锈钢的支柱，防护栏的最高点距底部0.5m（如图），则这条防护栏需要不锈钢支柱的总长度至少为（）．A．50 m B．100 m C．160 m D．200 m10．如图，在正方形ABCD中，CE＝MN，∠MCE＝35°，那么∠ANM＝（）．A．45°B．50°C．55°D．60°二、填空题（共6小题，每小题3分，共18分）第6题图第10题图第8题图第9题图12．2014年南京青奥会为了更好地传播奥运知识，倡导运动精神，鼓励广大民众到现场观看精彩的比赛，小万一家积极响应，上网查得部分项目的门票价格如下：项目开幕式篮球足球乒乓球排球跳水体操田径射击举重羽毛球闭幕式价格 200504050506010050303050100这些门票价格的中位数和众数分别是__________． 13．如图是某同学在沙滩上用石子摆成的小房子：观察图形的变化规律，写出第8个小房子用了__________块石子．14．已知x 1,x 2是方程x 2－(2k －1)x ＋(k 2＋3k ＋5)＝0的两个实数根，且21x ＋22x ＝39，则k 的值为__________．15．如图，EF 是一面长18米的墙，用总长为32米的木栅栏（图中的虚线）围一个矩形场地ABCD ，中间用栅栏隔成同样三块．若要围成的矩形面积为60平方米，则AB 的长为__________米．16．如图，四边形ABCD 中，AC ,BD 是对角线，△ABC 是等边三角形，∠ADC ＝30°，AD ＝3，BD ＝5，则四边形ABCD 的面积为__________．三、解答题（共9小题，共72分） 17．（本小题满分6分）解下列方程：5x 2－3x ＝x ＋1． 18．（本小题满分6分）已知抛物线y ＝ax 2＋bx ＋c 经过（－1，－22），（0，－8），（2，8）三点．（1）求出抛物线解析式；（2）判断点(－2，－40)是否在该抛物线上？说明理由．第15题图第16题图如图，四边形ABCD是平行四边形，BE∥DF，且分别交对角线AC于点E,F，连接ED,BF，求证：△ABE≌△CDF．20．（本小题满分6分）要组织一次足球联赛，赛制为单循环形式（每两队之间都赛一场），计划安排28场比赛，应邀请多少个球队参加比赛？21．（本小题满分8分）已知关于x的一元二次方程x2－(3m＋1)x＋2m2＋m＝0．（1）求证：无论k取何值，这个方程总有实数根；（2）若△ABC的两边AB,AC的长是这个方程的两个实数根，第三边BC的长为3，当△ABC是等腰三角形时，求m的值．22．（本小题满分8分）按要求作图并回答问题：（1）①画出抛物线y＝－x2＋4x－3；②当x__________时，y随x的增大而减小；当x __________时，y随x的增大而增大；（2）在同一坐标系内画出直线y＝2x－3；（3）不等式－x2＋4x－3≥2x－3的解集为__________．Oyx某商品现在的售价为每件60元，每星期可卖出300件．市场调查反映：如果调整价格，每涨1元，每星期要少卖8件；每降价1元，每星期可多卖12件．已知商品的进价为每件40元．（1）设每件涨价x元，每星期售出商品的利润为y元，求出y关于x的函数关系式；（2）设每件降价x元，每星期售出商品的利润为y元，求出y关于x的函数关系式；（3）问如何定价才能使利润最大？24．（本小题满分10分）在四边形ABCD中，AC＝AB，DC＝DB，∠CAB＝60°，∠CDB＝120°，E是AC上一点，F是AB延长线上一点，且CE＝BF．（1）在图1中，求证：DE＝DF；（2）在图1中，若点G在AB上且∠EDG＝60°，试猜想CE,EG,BG之间的数量关系并证明；（3）运用（1）、（2）解答中所积累的经验和知识，完成下题：如图2，在四边形ABCD中，∠ABC＝90°，∠CAB＝∠CAD＝30°，点E在AB上，DE⊥AB，且∠DCE＝60°，若AE＝3，求BE的长．图1 图2图1图2已知如图1，在以O 为原点的平面直角坐标系中，抛物线y ＝14x 2＋bx ＋c 与x 轴交于A ,B 两点，与y 轴交于点C (0，－1)，连接AC ，AO ＝2CO ，直线l 过点G （0，t ）且平行于x 轴，t ＜－1．（1）求抛物线对应的二次函数的解析式；（2）①若D （－4，m ）为抛物线y ＝14x 2＋bx ＋c 上一定点，点D 到直线l 的距离记为d ，当d ＝DO时，求t 的值；②若为抛物线y ＝14x 2＋bx ＋c 上一动点，点D 到①中的直线l 的距离与OD 的长是否恒相等，说明理由；（3）如图2，若E ,F 为上述抛物线上的两个动点，且EF ＝8，线段EF 的中点为M ，求点M 纵坐标的最小值．C DBAlGO yx xy O GlABC EFM试卷参考答案及分析一、试卷分析及参考答案题号答案考点难度系数重难点/关键得分点题源1 A 二次根式的意义★☆☆☆☆被开方数非负2 C 一元二次方程的解法★☆☆☆☆因式分解法解一元二次方程，或带入结果验证3 A 配方法★☆☆☆☆完全平方公式4 C 二次函数的顶点式★★☆☆☆二次函数解析式中二次项系数的含义和顶点式5 C 一元二次方程根的判别式★★☆☆☆判别式Δ=b2-4ac6 D 勾股定理★★☆☆☆利用勾股定理求出直角三角形的斜边，注意是求树的高度2014年铁岭中考7 A 二次函数的平移★★☆☆☆平移的口诀：“左加右剪，上加下减”2014年天水中考8 C 勾股定理★★★☆☆利用直角三角形斜边上的中线等于斜边的一半和已知条件得到边等，最后利用勾股定理求线段的长2014年十堰9 C 实际问题与二次函数★★★★☆根据实际问题建立数学模型，建立平面直角坐标系后得到二次函数解析式，再利用点的横坐标得出相应点的纵坐标，进而求出每个不锈钢支柱的长度2011年聊城中考10 C 有关正方形的证明与计算★★★☆☆正方形中常见的问题，由线段相等得到线段互相垂直，从而求出相应角度2014年红桥区三模11 43二次根式的计算★☆☆☆☆先化成最简二次根式，再加减12 50，50 统计量★☆☆☆☆众数、中位数的识别2014年常德一模13 96 规律探索★★☆☆☆图形规律14 -3 根与系数的关系 ★★★☆☆利用根与系数的关系和完全平方式得到关于k 的方程，主要要验证判别式非负15 12 实际问题与一元二次方程★★★☆☆ 围墙问题，正确列出一元二次方程，并注意解要符合实际意义16253244－旋转 ★★★★☆ 构造共顶点的等边三角形得到全等，将边角进行转化，再利用勾股定理求解17 见后文详解一元二次方程的解法 ★★☆☆☆ 利用因式分解法解一元二次方程18 见后文详解待定系数法求二次函数的解析式 ★★☆☆☆ 利用待定系数法求二次函数的解析式和点在函数图象上所满足的代数条件19 见后文详解平行四边形的性质与全等三角形的判定 ★★☆☆☆ 平行四边形的性质得到边等、角等，再结合全等三角形的判定得出结论20 见后文详解实际问题与一元二次方程 ★★☆☆☆ 循环赛问题，注意单循环，正确列出一元二次方程，并注意解要符合实际意义21 见后文详解一元二次方程根的判别式与韦达定理 ★★★☆☆ 利用完全平方公式得出判别式非负，利用“十字相乘法”或求根公式得出方程的两实根，根据几何条件求解，注意线段三角形的条件22 见后文详解一次函数与二次函数 ★★★☆☆ 一次函数与二次函数图象的作法，及二次函数的增减性，利用图象法解一元二次不等式23 见后文详解实际问题与二次函数 ★★★★☆ 商品销售问题，利用已知条件求出函数解析式，在配方求最值 24 见后文详解四边形中的证明与计算★★★★☆共顶点的半角旋转，利用全等证明，全等与勾股相结合建立方程求出线段的长2014年濮阳二模 25见后文详解二次函数★★★★★ 第一问点的坐标带入已知解析式求解，第二、三问实则高中抛物线的定义，条件本质就是再谈焦点、准线解答题详细答案及评分标准 17．解:整理,得 01452=--x x 因式分解,得0)1)(15(=-+x x 于是得015=+x 或01=-x 511-=x ,12=x 18．解(1)将(-1,-22),(0,-8),(2,8)带入抛物线,得⎪⎩⎪⎨⎧++==-+-=-c b a cc b a 248822 解得⎪⎩⎪⎨⎧-==-=8122c b a 抛物线解析式: 81222-+-=x x y (2)当2-=x 代入抛物线解析式, 40-=y 所以点(-2,-40)在抛物线上19．证明:在平行四边形ABCD 中 AB=CD AB ∥CD ∴∠BAC=∠DCA又∵BE ∥DF ∴∠BEF=∠DFE ∴∠AEB=∠CFD∴在△ABE 和△CDF 中⎪⎩⎪⎨⎧=∠=∠∠=∠CD AB CFD AEB DCF BAE △ABE ≌△CDF20．解:设应邀请x 个球队参加比赛列方程02)1(=-x x 解方程,得81=x ,72-=x (不合题意,舍去) 21．解(1) m m c m b a +=+-==22),13(,10)1(12)2(4)13(2222≥+=++=+-+=∆m m m m m m所以无论k 取何值,这个方程总有实数根 (2) △ABC 是等腰直角三角形当AB=AC 时,即方程的两实数根相等0)1(2=+=∆m∴m=-1原方程为0122=++x x ,121-==x x 不符合题意,舍去当AB=BC=3或AC=BC=3时,将3=x 代入原方程得0342=+-m m ,11=m ,32=m当11=m 时,代入原方程得0342=+-x x ,11=x ,32=x当32=m 时,代入原方程得021102=+-x x ,31=x ,72=x 即AB=3,AC=7或AC=3,AB=7,根据三角形三边关系不能构成等腰三角形综上所述,当m=1时, △ABC 是等腰直角三角形 22．(1)①如图②>2,<2 (2)如图 (3)0≤x ≤2 23．解：（１）＝（６０＋ｘ－４０）（３００－８ｘ）＝（２０＋ｘ）（３００－８ｘ）＝－８（２）＝（６０－ｘ－４０）（３００＋１２ｘ）＝（２０－ｘ）（３００＋１２ｘ）＝－１２（３）配方之后，得＝所以当ｘ＝时，的最大值为＝的最大值为∴当ｘ＝，即售价定为６８.７５时，利润才能达到最大值24．（1）解：连接AD ∵AC=AB ，CD=DB ，AD=AD ∴△ACD ≌△ABD ∴∠C=∠DBA又∵∠CAB=60°，∠CDB=120°， ∴∠C=∠DBA=∠DBF=90° 又∵CE=BF∴△ECD ≌△FBD ∴DE=DF（2）由（1）知△ECD ≌△FBD ， ∴ＤＦ＝ＤＥ且∠C ＤＥ=∠ＢＤＦ又∵∠C ＤＥ＋∠ＧＤＢ＝∠ＣＤＢ－∠ＥＤＢ＝１２０°－６０°＝６０° ∴∠ＥＤＧ＝∠ＦＤＧ ∴△E ＧD ≌△F ＧＤ∴ＥＧ＝ＦＧ＝ＧＢ＋ＢＦO yx（３）25．解(1) ∵AO=2CO C(0-1) ∴OA=2 A(-2,0)将点A 、C 代入抛物线解析式得:1412-=x y (2)①由抛物线得D(-4,3) ∴OA=5 又∵d=DO ∴t=-2②设D(141,2-a a ) 222422222)141(121161)141(0+=+-+=-+=a a a a a a D点D 到直线l 的距离: 141214122+=+-a a∴d=DO(3)作EI ⊥直线l 于点I,FH ⊥直线l 于点H 设E(11,y x ),F(22,y x ) 则EI=1y +2,FH=2y +2 ∵M 为EF 中点 ∴M 纵坐标为222)2()2(221-+=-+-=+FHEI FH EI y y 由(2)②得EI=OE,FH=OF ∴22221OF OE FH EI y y +=+=+ 当EF 过点O 时,OE+OF 最小 ∴M 纵坐标最小值为22222=-+=-+OFOE FH EG二、试卷特点分析（一）难度分析整体难度不大，特别是选择题与填空题，以考察基础知识与基本技能为主。

人教版九年级物理江岸区新起点调考

2013-2014学年度江岸区九年级新起点调考
物理试卷
Ⅰ卷选择题（60分）
一、选择题（下列每题只有一个答案符合题意，请将该答案的选项填写在答题卡上，每题3分，共20题，60分）
9、如图是利用透明玻璃板探究平面镜成像特点的实验示意图。

下列说法正确的是（）
A．该实验最好的明亮的环境中进行
B．蜡烛远离玻璃板过程中，蜡烛的像始终与蜡烛等大
C．把光屏放在玻璃板后像所在的位置，像会成在光屏上
D．用玻璃板应选择较厚且涂有水银反光面的镜子
10、下列物态变化中属于气化现象的是（）
A、夏天，冰棍“冒出”的“白气”
B、放在衣柜里面的樟脑丸变小了
C、太阳出来雾散了
D、深秋，清晨草地上出现霜
11、如图，所示是一种水翼船，船体下安装了水翼。

当船在高速航行时，水面下的水翼会使船体整体抬高从而减小水对船体的阻力。

则水翼安装正确的是（）
12、某同学利用下列测量工具进行测量，其中数据记录不正确的是（）
A、26°C
B、2.8N
C、3V
D、0.26A
13、如图所示，小车从斜面上某一高度由静止开始滑下，撞击静止于水平木板上的木块（不计空气阻力）。

下列说法正确的是（）
A．小车在斜面上下滑的过程中，如果选择木板作为参照物，小车是静止的
B．小车从斜面上开始下滑到撞击木块后静止的过程中，小车的机械能先变大后变小。

2013年江岸区双基考试真题

2013年江岸区小学六年级“两基”综合素质质量监测语文试卷同学们，六年的努力，你的智慧、信心和细心一定能帮你完成这次考试。

请注意仔细审题、认真思考、答题完整、书写整洁。

最后不要忘了自我评价哦！试听室（共8分）学会倾听，才能获得准克的信息。

一、边听边记，根据短文原文完成填空。

（4分）1．“行路”有别于“读书”，它是指走出书斋与斗室，步入丰富多彩的自然、与人生领域，亲身，感受书外之书。

2．假设没有广阔的、漫长的行程，学贯中西的才华，能有如此丰富的阅历和挥洒自如的吗？二、根据短文内容，判断以下说法的正误，正确的打“√”，错误的打“×”。

（4分）1．“像圈在篱笆里的小鸡、套在车辕上的小马一个样子，仅仅限于尺方的墙内”是形容“一味读有字之书”、“读死书”的情形。

（）2．短文的主要意思是“读书”与“行路”结合才会有华彩篇章和绚丽人生。

积累平台（共32分）积累能让你妙语连珠、妙笔生花。

打开记忆宝库，让我们一起来分享积累的快乐。

三、看拼音，写词语。

（10分）yīn qiè fèi yán dàng yàng chá sì chè lí（）（）（）（）（）四、选词填空，将序号填在括号里。

（4分）A．栩栩如生B．惟妙惟肖C．呼之欲出D．以假乱真1．王先生画技高超，能（）地临摹出大画家徐悲鸿画的马，甚至达到了（）的地步。

A．响彻云霄B．如痴如醉C．动人心弦D．如泣如诉2．阿炳演秦的《二泉映月》真是（），让我们听得（）。

难怪有人说这种音乐应该跪着听！五、读句子，按要求完成练习。

（16分）1．“执着和痴情是创造奇迹的一斧一凿。

”把这句话改成反问句，增强句子的语气：（2分）2．幸福是什么？幸福是妈妈温暖的怀抱，幸福是朋友无私的关怀，幸福是老师，幸福是：……（续写句子，使之构成排比句）（4分）六、调动古诗文积累，完成填空。

（8分）1．小学六年，我们学过的“题画诗”不少，如“竹外桃花三两枝，”，“非无脚下浮云闹，”，“不要人夸好颜色，”，“千磨万击还坚劲，”等等，都是流传很广的名句。

武汉市江岸区2012-2013年七年级上期中数学试卷(解析版)(新课标人教版小学七年级上数学试卷)

武汉市江岸区2012-2013学年七年级（上）期中数学试卷一、选择题（每小题3分，共36分）1.（3分）-3的绝对值是（）A .B . C. 3考点：绝对值.专题：计算题.分析：计算绝对值要根据绝对值的定义求解.第一步列出绝对值的表达式；第二步根据绝对值定义去掉这个绝对值的符号.解答：解：3|=3.故-3的绝对值是3.故选：C.点评：考查了绝对值的定义，绝对值规律总结：一个正数的绝对值是它本身；一个负数的绝对值是它的相反数；0的绝对值是0.2. （3分）某个地区，一天早晨的温度是- 7C,中午上升了12C，则中午的温度是（）A. -5C B . - 18C C. 5C D . 18C考点：有理数的加法.分析：- 一天早晨的温度是-7C,中午上升了12C，则中午的温度是：-7+12，即可求解.解答：:解: - 7+12=5 C. 故选C .点评：本题考查了有理数的加法计算，关键是理解正负数的意义，正确列出代数式.3. （3分）A、B都是五次多项式，则A - B 一定是（）A.四次多项式 B. 五次多项式C.十次多项式 D.不咼于五次的多项式考点：整式的加减.分析：:整式的加减，有同类项才能合并，否则不能化简.根据合并同类项法则和多项式的次数的定义解答.解答：: 解 :若五次项是冋类项，且系数互为相反数，则 A - B的次数低于五次；否则A - B 的次数一定是五次.故选D .点评：.此题考查整式的加减，需分类讨论.难度中等.4. （3分）长城总长约为6 700 010米，用科学记数法表示是（保留两个有效数字）（）A . 6.7XI05米B . 6.7X106米C . 6.7X107米D . 6.7 XI08米考点：科学记数法与有效数字.专题：应用题.分析：在实际生活中，许多比较大的数，我们习惯上都用科学记数法表示，使书写、计算简D. ±3便.将一个绝对值较大的数写成科学记数法axio n的形式时，其中1<|a|< 10, n为比整数位数少1的数.而且axi0n（1<|a|< 10, n为整数）中n的值是易错点，•/ 6 700 010有7位，所以可以确定n=7 - 1=6 .解答：解：根据题意6 700 010-6.7X106.（保留两个有效数字）故本题选B .点评：把一个数M记成a X0n（1哼a|< 10, n为整数）的形式，这种记数的方法叫做科学记数法.规律：（1）当|a|N时，n的值为a的整数位数减1;（2）当|a< 1时，n的值是第一个不是0的数字前0的个数，包括整数位上的0. 5. （3分）有理数a, b在数轴上的位置如图所示，那么下列式子中成立的是（考点：有理数大小比较；数轴；有理数的乘法；有理数的除法.分析：根据数轴上的点表示数的特点：右边的数大于左边的数，再结合有理数的乘除法法则求得结果.解答：解：由图可知：b<0, a>0,根据正数大于一切负数，所以a>b.故选A.点评：由于引进了数轴，我们把数和点对应起来，也就是把数”和形”结合起来，二者互相补充，相辅相成，把很多复杂的问题转化为简单的问题，在学习中要注意培养数形结合的数学思想.6. （3分）下列各题的两项是同类项的有（）2 2 2 2 2 2①ab 和a b;② 3mn 和-5mn;③-3xy 和3xyz;④ 0.25x yz 和0.64yx z ；⑤-和3.A .①②③B .②④C.②④⑤D.②③⑤考点：同类项.专题：计算题.分析：:根据同类项的定义判断即可：所含字母相同，并且相同字母的指数也相同，这样的项叫做同类项.解答：：2 2解:①ab和a b，不符合同类项的定义，故错误；②3mn和-5mn，符合同类项的定义，故正确；③-3xy和3xyz，不符合同类项的定义，故错误；2 2 2 2④0.25x yz和0.64yx z ；符合同类项的定义，故正确；⑤-和3.符合同类项的定义，故正确；故选C.点评：本题考查了同类项的定义，解题时牢记定义是关键，此题比较简单，易于掌握.7. （3分）下列说法正确的是（）A .负数没有倒数1B.正数的倒数比自身小C .任何有理数都有倒数1D.-1的倒数是-1考点：倒数.A . a>b B. a< b C. ab>0 D.分析：根据倒数的定义可知.解答：解：A、负数有倒数，例如-1的倒数是-1,选项错误；B、正数的倒数不一定比自身小，例如0.5的倒数是2，选项错误；C、0没有倒数，选项错误；D、 - 1的倒数是-1，正确. 故选D.点评：本题主要考查了倒数的定义及性质. 乘积是1的两个数互为倒数，除0以外的任何数都有倒数，倒数等于它本身的数是±.& （3分）已知x= - 1是关于x的方程2x - 3a=- 4的解，则a为（）A . 2B . - 2 C. D .考点：兀一次方程的解.分析：: 把x- 1代入关于x的方程2x 3a= 4,得出一个关于a的方程，求出即可.解答：:/解：.x- 1是关于x的方程2x 3a- 4的解，••代入得：-2 - 3a-- 4, 解得：a-,故选C.点评：本题考查了解一兀一次方程和一兀一次方程的解，关键是能得出一个关于a的方程.9 . （3分）已知|a|=2, |b|=3,且在数轴上表示有理数b的点在a的左边，则a- b的值为（）A . -1 B. -5 C. -1 或-5 D . 1 或5考点：绝对值.专题：计算题.分析：根据绝对值的性质确定a、b在数轴上的位置.然后求a-b的值. 解答：解：••• |a|=2, |b|=3, ••• a=± b= ±3;又•••在数轴上表示有理数b的点在a的左边，•①当a=2 时，b= - 3,•a- b=2 -（ - 3）=5;②当a= - 2 时，b= - 3,•a- b= - 2-（ - 3）=1 ;综合①②知，a- b的值为1或5;故选D .点评：此题主要考查绝对值的性质：一个正数的绝对值是它本身；一个负数的绝对值是它的相反数；0的绝对值是0 .10 . （3分）下列等式变形：①如果4a=5b,则；②如果，则4a=5b;③ 如果x=y，那么;④如果，则x=y .其中正确的是（）A.①③B.②④C.②③D.①④考点：等式的性质.分析：根据等式的性质即等式的两边同时乘以或除以同一个不为0的数或字母等式仍成立，对每一项分别进行分析，即可得出答案.解答：解：①如果4a=5b，当b用时，，故本选项错误；②如果，则4a=5b，故本选项正确；③如果x=y，那么a旳时，，故本选项错误；④如果，则x=y，故本选项正确. 故选B.点评：此题考查了等式的性质，等式性质：1、等式的两边同时加上或减去同一个数或字母，等式仍成立；2、等式的两边同时乘以或除以同一个不为0数或字母，等式仍成立.11. （3分）今天数学课上，老师讲了多项式的加减，放学后，小明回到家拿出课堂笔记，认真的复习老师课上讲的内容，他突然发现一道题：（-x2+3xy - y2）- （ - x2+4xy - y2）=2 2-x +y 阴影的地方被钢笔水弄污了，那么空格中的一项是（）A . - 7xy B. +7xy C. - xy D. +xy考点：整式的加减.专题：计算题.分析：本题考查整式的加法运算，要先去括号，然后合并同类项即可得出答案.2 2 2 2 2 2解答：解：原式=-x +3xy - y +x - 4xy+y =x - xy+y , •••阴影的地方是-xy .故选C.点评：考查了整式的加减，解决此类题目的关键是熟记去括号法则.括号前是正号，括号里的各项不变号；括号前是负号，括号里的各项要变号.根据表格中个位数的规律可知, 的个位数是（）A . 1 B. 3 C . 7 D . 9考点：; 有理数的乘方.专题：:规律型.分析：先由图找出规律，个位数按照3、9、7、1的顺序循环，然后再计算27除以4,得到结果为6余3,从而判断出327的个位数.解答：: 解：由图表可知：个位数按照3、9、7、1的顺序循环，•27*6・・3,•327的个位数是7 .故选C .点评：本题考查了有理数的乘方，解题的关键是结合图表找出规律，此题难度不大，只要找出规律就迎刃而解了.二、填空题（每小题3分，共12分）13 . （3分）一个点从数轴上的原点开始，先向右移动1个单位长度，再向左移动2个单位长度，这时它表示的数是-1 .考点：数轴.专题：存在型.分析：根据数轴上原点右边的数大于0,坐标的数小于0进行解答. 解答：解：•••原点右边的数大于0, •••一个点从数轴上的原点开始，先向右移动1个单位长度表示的数是1,•••原点左边的数小于0,•再向左移动2个单位长度，这时它表示的数是 1 - 2= - 1 .故答案为：-1 .点评：本题考查的是数轴的特点，即数轴上原点右边的数大于0,左边的数小于0.14. （3分）若规定一种运算法则，请帮忙运算=-28 .考点：有理数的混合运算.专题:新定义.分析：根据新定义得到：=2 X（- 5）- 6X3,再先算乘法运算，然后进行加法运算. 解答：解：=2 X（- 5）- 6X3= - 10- 18=- 28 .故答案为：-28.点评：本题考查了有理数的混合运算：先算乘方，再算乘除，然后进行加减运算；有括号先算括号.也考查了阅读理解能力.2 2 、15. (3 分)若|x|=|- 2|,贝U x= 2 或-2 ，若x = ( - 3)，贝V x= 3 或- 3考点：有理数的乘方；绝对值.专题：计算题.分析：；根据-2的绝对值为2,得到x的绝对值为2,进而确定出x的值，根据-3的平方为9，得到x的平方为9,即可求出x的值.解答：:解:|x|=| - 2|=2,则x=2 或-2,若x2= (- 3) 2=9，则x=3 或-3. 故答案为：2或-2; 3或-3.点评：.此题考查了有理数的乘方，以及绝对值，熟练掌握各自的定义是解本题的关键.16. （3分）已知长方形的周长为4a+2b，其一边长为a- b,则另一边长为a+2b考点：整式的加减.分析：:根据长方形的对边相等得出算式（4a+2b）吃（a b）,化简即可.解答：：解: •长方形的周长为4a+2b，其一边长为a b, •另一边长为（4a+2b）吃（a b）, 即（4a+2b）吃-（a- b）=2a+b - a+b=a+2b.故答案为：a+2b.点评：本题考查了长方形的性质和整式的加减的应用，关键是能根据题意得出算式.三、解答题（共72 分）17. (10分)计算：(1)12-(- 18) + (- 7)- 15(2)' :::有理数的混合运算.:计算题.:(1)原式先利用减去一个数等于加上这个数的相反数将减法运算化为加法运算，再利用同号及异号两数相加的法则计算，即可得到结果；(2)原式第一项表示1平方的相反数，中括号中先计算乘方运算，再利用减法法则计算，最后一项先算乘方运算，约分即可得到结果.解答：解：(1)原式=12+18 - 7 - 15=30 - 22=8;(2)原式=-1 -( 5- 4 )-X( - 4) = - 1 - 1+1= - 1.点评：此题考查了有理数的混合运算，有理数的混合运算首先弄清运算顺序，先乘方，再乘除，最后算加减，有括号先算括号里边的，同级运算从左到右依次进行计算，然后利用各种运算法则计算，有时可以利用运算律来简化运算.18. (10分)解方程：(1) 2 (x+8) =3 (x- 1)(2).考点：解一元一次方程.专题：计算题.分析：(1)去括号，移项，合并同类项即可得解；1,从(2)是一个带分母的方程，所以要先去分母，再去括号，最后移项，化系数为而得到方程的解.解答：解：(1)去括号得，2x+16=3x - 3,移项得，3x - 2x=16+3 ,合并同类项得，x=19;(2)去分母得，2 (3y - 1)- 6=5y - 7, 去括号得，6y - 2 - 6=5y - 7, 移项得，6y - 5y= - 7+2+8 , 合并同类项得y=3.点评：本题主要考查了解一元一次方程，注意在去分母时，方程两端同乘各分母的最小公倍数时，不要漏乘没有分母的项，同时要把分子(如果是一个多项式)作为一个整体加上括号.19. (10分)化简(1) 5 (2x- 7y) - 3 (4x - 10y)(2) 5 (a2b- 3ab2)- 2 ( a2b- 7ab2)考点：整式的加减；合并同类项；去括号与添括号. 专题：计算题.分析：(1)先去括号，再合并冋类项即可；(2)先去括号，再合并同类项即可.解答：〕解 : (1)原式=10x - 35y - 12x+30y= - 2x - 5y./ rp4*―j- 2 2 0 2 2 2 2(2)原式=5a b- 15ab - 2a b+14ab =3a b- ab .点评：: 本题主要考查对整式的加减，合并冋类项，去括号等知识点的理解和掌握，能熟练地运用法则进行化简是解此题的关键.220. (6分)已知a, b互为相反数，c, d互为倒数，x的绝对值等于2,求x -( a+b+cd) 009 2009+ (a+b) + (- cd) 的值.考点：有理数的混合运算；相反数；绝对值；倒数.分析：由a，b互为相反数，c，d互为倒数，x的绝对值等于2，可得a+b=0，cd=1，x2=4，整体代入即可求值.2解答：解：由题意可得：a+b=0，cd=1; |x|=2，即x =4. 原式=4 - 1+0 -仁2.点评：主要考查相反数，绝对值，倒数，平方的概念及性质•两个相反数的和为0•倒数的定义：若两个数的乘积是1，我们就称这两个数互为倒数•绝对值规律总结：一个正数的绝对值是它本身；一个负数的绝对值是它的相反数；0的绝对值是0.八— 2 C 2 2 221. (8 分)已知A=3b - 2a+5ab，B=4ab - 2b - a .(1)化简：3A - 4B ；(2 )当a=1，b= - 1 时，求3A - 4B 的值.考点：整式的加减一化简求值；整式的加减.专题：计算题.分析：(1)将A与B代入3A - 4B中，去括号合并得到结果；(2)将a与b的值代入化简后的式子中计算，即可求出值.解答：〕解 : (1)：A=3b2- 2a2+5ab，B=4ab - 2b2- a2，2 2 2 2 2 2 2 2••• 3A - 4B=3 (3b - 2a +5ab)- 4 (4ab - 2b - a ) =9b - 6a +15ab - 16ab+8b +4a =2 2-2a +17b - ab，(2)当a=1，b= - 1 时，原式=-2 xi+17 xi+1=16 .点评：J 此题考查了整式的加减-化简求值，以及整式的加减运算，涉及的知识有：去括号法则，以及合并同类项法则，熟练掌握法则是解本题的关键.22. ( 8分)某自行车厂一周计划生产1050辆自行车，平均每天生产150辆，由于各种原因根据记录可知前三天共生产449辆；(2) 产量最多的一天比产量最少的一天多生产26辆；(3) 该厂实行计件工资制，每辆车50元，超额完成任务每辆奖10元，少生产一辆扣10元，那么该厂工人这一周的工资总额是多少? 考点：有理数的混合运算；正数和负数.专题：计算题.分析：(1)先求出前三天增减的量，然后再加上每天的150辆，进行计算即可求解；(2)根据增减的量的大小判断出星期六最多，星期五最少，用多的减去少的，根据有理数的减法，减去一个数等于加上这个数的相反数进行计算即可求解；(3)计算出这一周的增减量的总和，是正数，则超产，是负数则少生产，然后根据工资计算方法进行计算. 解答：解：(1) +5+ (- 2) + (- 4) =5+ (- 6) = - 1,150 X3+ (- 1) =450 -仁449 (辆)，•••前三天共生产449辆；(2)观察可知，星期六生产最多，星期五生产最少，+16 -( - 10) =16+10=26 (辆)，•产量最多的一天比产量最少的一天多生产26辆；(3)+5+ (- 2) + (- 4) + (+13) + (- 10) + ( +16) + (- 9),=5 - 2- 4+13- 10+16 - 9,=5+13+16 - 2 - 4 - 10- 9,=34 - 25,=9,•工人这一周的工资总额是：(1050+9) X50+9 X0=52950+90=53040 (元).点评：本题主要考查了有理数的混合运算，以及正分数的意义，是基础题，比较简单，根据表格数据列出算式是解题的关键.23. (10分)某农户2000年承包荒山若干亩，投资7800元改造后，种果树2000棵.今年水果总产量为18000千克，此水果在市场上每千克售a元，在果园每千克售b元(b v a).该农户将水果拉到市场出售平均每天出售1000千克，需8人帮忙，每人每天付工资25元，农用车运费及其他各项税费平均每天100元.(1)分别用a, b表示两种方式出售水果的收入.(2)若a=1.3元，b=1.1元，且两种出售水果方式都在相同的时间内售完全部水果，请你通过计算说明选择哪种出售方式较好.(3)该农户加强果园管理，力争到明年纯收入达到15000元，而且该农户采用了( 2)中较好的出售方式出售，那么纯收入增长率是多少(纯收入=总收入-总支出)？考点：列代数式；代数式求值.分析：(1)市场出售：售价-人工工资-其他费用；果园收入：售价；(2)把a=1.3元，b=1.1元代入比较即可；(3)纯收入增长率=增长的收入冷年纯收入.解答：丿解: （1）将这批水果拉到市场上出售收入为18000a - X3X25 - X00=18000a- 3600 - 1800=18000a - 5400 （元）.答：在果园直接出售收入为18000b元.（2）当a=1.3 时，市场收入为18000a- 5400=18000 X.3 - 5400=18000 （元）. 当b=1.1 时，果园收入为18000b=18000 X1.1=19800 （元）.因为18000V 19800,所以应选择在果园出售.(3)因为今年的纯收入为19800 - 7800=12000,所以XI00%=25% ,所以增长率为25%.点评：解决问题的关键是读懂题意，找到关键描述语，找到所求的量的等量关系•本题需注意应求出在市场出售时的天数.。

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2013---2014学年度江岸区九年级新起点调考英语试卷第1卷(选择题共85分)第一部分听力部分第二部分笔试部分二、选择填空(共15小题,每小题1分,满分15分)( )26. --I heard that you went hiking last weekend.Was that fun?--No, it was ______. Just after we started, it began to rain heavily and we were all wet.A.surprisingB.excitingC.frustratingD.amazing( )27. --Why do you work very hard all the time?--My father often _________ the importance of hard work on me.A. tellsB. realizesC. impressesD. knows( )28. The thing that _________ is not whether you fail or not, but whether you try it or not.A. mattersB. caresC. agreesD. minds( )29. It is not _________ for me to return all the books to the library now because I still need them.A. difficultB. convenientC. carefulD. important( )30.--When Mrs. Brown mentioned her family, she _________ her voice suddenly.--She doesn’t like talking about her personal things in pub lic.A. brokeB. raisedC. droppedD. opened( )31. --I’ve run out of money to buy a new bike.--Oh, _________. You have to walk to school every day.A. it’s all rightB. that’s too badC. it’s a pleasu reD. that’s a deal( )32. -- Do you know who gets the job?--Ellen. Her rich experience gave her an ________ over other girls for the job.A. attentionB. interestC. advantageD. influence( )33. --Can we rush across the road now?--No, we _________. We have to wait until the light turns green.A. needn’tB. mustn’tC. couldn’tD. shouldn’t( )34.--The writer said that she hoped to ________ the adult readers by the new book.--But it seems that people still prefer her children stories.A. receiveB. reachC. criticizeD. collect( )35. --Do you know__________?--To study for the English test, I guess.A. what he did just nowB. when did he practice EnglishC. why he left so earlyD. how he studied for English( )36.--Don’t be angry with your kid when he makes a mistake again, will you?--No, I won’t. I know that _______ of us are perfect after all.A. noneB. neitherC. eachD. all( )37. --Did she agree with you?--Oh, yes, we’re in ________ agreement.A. patientB. dailyC. softD. complete( )38. --I hear there will be a great old painting on show in the museum next week.--Is it the original drawing or is it just a ___________, then?A. copyB. typeC. pieceD. comic( )39. --Sir, could you please put out your cigarette? This is a smoke-free(无烟的) school.--_________.A. Oh, sorry about thisB. Don’t mention itC. I’d like toD. Put it out at once( )40. --I’m seeing the twin sisters this afternoon. Do you want me to __________ any message?--Yeah. Please ask them to arrive at the meeting on Saturday morning on time.A. give awayB. write downC. pass onD. leave for二、完形填空(共15小题,每小题1分,满分15分)。

I was said to be the worst student in my class, and my family thought I was hopeless.I had to 41 grade six. At that time a new teacher, Miss Sadie, came to our school.One day after class, she 42 that I was staying alone during the lunch break.She came up to me and began to talk to me.It was just a(an) 43 conversation.After that day,she gave me particular 44 and it made me feel special.I started to work hard because she gave me the feeling that someone believe me,and my 45 started to improve in her subject.Months later,she moved into a house near my 46 .We would walk home together after school. She continuously helped me, 47 in my studies,as I knew she would 48 my grades both in her subject and the other subjects.I finally 49 second in my class.Then, after grade six, she started to slowly stay away from me but shill kept a careful check on me. By the time I was in grade seven,we hardly spoke,but by then I had become the 50 in my class.When I left my school,I was out of touch with her,as she 51 answered the phone when I called her.Then I graduated and went to a good university.One fine day,our paths(路) 52 again.I met her at a wedding. I could not 53 asking her, “Why did you stop talking to me?”“You are a clever boy. I wanted you to be a t ree standing on your own roots,not depending on others.Now here you are and I always take 54 in you.You are your inspiration(鼓舞) and do not need to 55 a shoulder,”she said. I could not say anything, but I smiled. I’ll always thank her. ( )41.A. jump B. attend C. copy D. repeat( )42.A. heard B. noticed C. learned D. felt( )43.A. normal B. unusual C. active D. correct( )44.A. attention B. chance C. experience D. pleasure( )45.A. situation B. progress C. reports D. grades( )46.A. home B. school C. hotel D. company( )47.A. finally B. actually C. especially D. possibly( )48.A. teach B. improve C. study D. check( )49.A. received B. came C. caught D. held( )50.A. oldest B. strongest C. best D. cleverest( )51.A. seldom B. sometimes C. never D. hardly ever( )52.A. passed B. joined C. added D. crossed( )53.A. mind B. help C. practice D. trouble( )54.A. care B. pride C. note D. money( )55.A. give up B. pick out C. look for D. take away四、阅读理解(共15小题,每小题1分,满分15分)。