初二分式练习题的题。 求好人帮忙

各位好心人帮帮忙,急求2011初二NEPCS初赛的答案。谢谢,_百度知道
各位好心人帮帮忙,急求2011初二NEPCS初赛的答案。谢谢,
qingyizhang119 | 二级 2011 年全国中学生英语能力竞赛(NEPCS)初赛初二年级组试题参考答案听力部分Sentences(句子理解)(共5小题;每小题1 分,计5 分)1—5 DABBCResponses(问句应答)(共5小题;每小题1 分,计5 分)6—10 ACBBDDialogues(对话理解)(共10 小题;每小题1 分,计10 分)11—15 DCACB 16—20 CBBADPassages(短文理解)(共10小题;每小题1 分,计10 分)A) 21—25 BCADDB) 26. 8:15 27. Art Garden 28. ten / 10 dollars 29. an umbrella 30. student card笔试部分I援Multiple-choice(选择填空)(共15小题;每小题1 分,计15 分)31—35 CBBDC 36—40 BCADB 41—45 ABBCD陨陨. Reading comprehension(阅读理解)(共20 小题;46—55 题每小题1 分;56—65题每小题2分,计30分)A) 46—50 BDCBAB) 51—55 FTFFT56. Monica57. hairstyle58. a little kiss59. wins the contest60. Sparky 和Monica 都想赢得比赛。但这场比赛不是选美比赛,而是选丑比赛。Sparky 希望赢得的正是“最丑陋犬比赛”。61. Chocolate comes from the seeds of cacao trees.62. People inMexicoloved chocolate very much and, at times, they used it as money or for trade and they evenhad a god of chocolate.63. After Joseph Fry made the first chocolate bar in 1847, people began to eat chocolate.64. Factories in Holland and the US cook and package most of the world蒺s chocolate.65. 巧克力是世界上最流行的食品之一。如今,全世界的人都在享用巧克力。每年,人们花费100多亿美元Cloze(完形填空)(共15小题;每小题1 分,计15 分)A) 66. no 67. dreams 68. true 69. interested 70. went71. Working / To work 72. kinds 73. easy 74. hundreds 75. sameB) 76. nothing 77. earth 78. Plants 79. that 80. takes Sentences pattern transformation(句式转换)(共5 小题;每小题2分,计10 分)81. H far82. H delicious83. doesn蒺t; or84. D need85. likeTranslation(翻译)(共5小题;每小题2 分,计10 分)86. I used to go to the concert in my spare time.87. It蒺s never too late to learn. / One is never too old to learn.88. It蒺s very necessary for us to have healthy eating habits.89. They are very good friends, but they don蒺t have much in common.90. We should not depend on our parents too much. Sentence formation(连词成句)(共5小题;每小题1 分,计5 分)91. How much do you like sports?92. Show me your photos when you come back.93. Where did he buy that interesting book?94. They looked after the patients in the hospitals.95. Gavin does not go to work because he is ill.Dialogues completion(补全对话)(共5小题;每小题1 分,计5 分)96—100 FGADBIQ test(智力测试)(共5小题;每小题1分,计5 分)101. 少壮不努力,老大徒伤悲。102. Our.103. 32 / Thirty-two.104. 27. (奇数位置数字24,30,36,42依次递加6;偶数位置数字18,9 递减9,36-9=27)105. C(注意观察:上面大图中每一幅小图里面都有一个黑圈和一个白圈,这样可排除答案B 和D;然后观察黑圈和白圈在姨两侧的位置,可见,黑圈都是在姨的内侧,白圈都是在姨的外侧,所以答案为C。). Writing(作文)(共2小题;A 题满分10 分;B 题满分15 分,计25 分)A) One possible version: A Survey about Smokers in a Middle SchoolThe survey about smokers in a middle school tells that although 89% of the students never smoke, 3% of themoften smoke and 8% sometimes do. In other words, 11% of the students smoke. That’s terrible.As we know, smoking is harmful to health, not only the health of those smokers, but also that of peoplearound. Every year, thousands of people die from smoking. And also smoking may cause a loss of money.Sometimes, cigarette ends may cause a fire.All in all, smoking is so dangerous that we should keep away from it.B) One possible version: Save WaterWater is very important for living things. Without water, there could be no life on earth. However, there is ashortage of water all over the world. We have to do something to save water.First of all, we must keep in mind the importance of water and try to save water in our daily life. Second,factories and companies and all of us should not pollute water. Third, try to reuse the waste water.Let’s work together to save water and save our lives or the last drop of water will be our tear drop.一、评分原则:1援本题总分为A) 10 分;B) 15 分,按四个档次给分。2援评分时,先根据文章的内容和语言水平初步确定其所属档次,然后以该档次的要求来衡量、确定或调整本档次,最后给分。3援文章词数少于规定词数,从总分中减去1 分。4援如书写较差,以致影响交流,将分数降低一个档次。二、各档次的给分范围和要求:第四档(很好):A) 9-10 分;B) 13-15 分完全完成了试题规定的任务,覆盖所有内容要点,符合英语表达习惯,应用了较多的语法结构和词汇,无词汇和语法错误,具备较强的语言运用能力,完全达到了预期的写作目的。第三档(好):A) 6-8 分;B) 9-12分完成了试题规定的任务,应用的语法结构和词汇能满足任务要求,符合英语表达习惯,基本无词汇和语法错误,达到了预期的写作目的。第二档(一般):A) 3-5分;B) 5-8 分未恰当完成试题规定的任务,漏掉内容要点,未描述清楚主要内容,写了一些无关内容,有词汇和语法错误,影响写作内容的理解,未能清楚地传达信息。第一档(差):A) 1-2 分;B) 1-4分未完成试题规定任务,明显遗漏了主要内容,写了一些无关内容,语法结构单调,词汇有限,有较多语法和词汇错误,影响写作内容的理解,未能传达信息。0分未能传达给读者任何信息,没有内容或内容太少,无法评判,写的内容均与所要求的内容无关或所写内容根本无法看清。2011 年全国中学生英语能力竞赛(NEPCS)初赛初二年级组试题听力部分录音原文I援SentencesListen to the following five sentences, and choose the best picture for each sentence. Each sentence will be readonly once.1. Lucy蒺s favorite hobby is collecting coins.2. Ben蒺s dream is to be a writer in the future.3. Mr. White bought his daughter a skirt for her birthday.4. Robert thought about going toJapan.5. Grace is ill in bed now.II. ResponsesListen to the following five questions, and choose the best response to each question. Each question will be readonly once.6. What day is it today?7. When did he become a movie star?8. How often does he climb the hills?9. What蒺re you doing for the vacation?10. Where蒺s the National Museum?III. DialoguesA) Listen to the following five mini-dialogues, and choose the best answer to each question. Each dialogue willbe read twice.11. M: Finally you蒺增藻come back. So, how was your trip, Maria?F: Oh, it cost me 泽燥much and I felt very tired.12. M: What time is your flight tomorrow, Suzan? F: A quarter to eleven, in the evening.M: OK, so you need to get to the airport two hours before that time.13. F: Would you like a drink, Eric? M: Yes, please. Do you have any fruit juice? F: Yes, sure. What would you like?Orange, apple or pineapple? M: Well, I really don蒺t like apple 燥则pineapple.14. M: Hey, mum, I have to tell you something. F: OK, what is it, Chris?M: Shirley invited me to go to her birthday party. I don蒺t 憎葬灶贼to go, so I told her that I was going fishingwith my dad.15. F: How was your class, Joanna?M: It went really well. Everyone liked it.F: What was it about?M: It was on learning a second language.B)Listen to a long dialogue, and choose the best answer to each question. The dialogue will be read twice.F: Good afternoon. Goldrun Oil Company. This is Jenny. How may I help you?M: Hi, this is Don Davis. I蒺d like to speak with your project manager, Mr. Daniels. F: He蒺s in a meeting at the moment. May I take a message? M: Yes, I蒺d like to speak to him as soon as possible.F: OK, Mr. Davis. What is your telephone number? M: It蒺s5-7-8-4-9-3-8. F: That was 578-9438. Right? M: Jenny, it蒺s 5-7-8-4-9-3-8. Area code 555.F: I蒺ve got it. Is there anything else? M: Tell him I called about the Zenda Project.F: I蒺ll give him the m藻ssage soon. M: By the way, please tell him to call me before 5 p.m., or I will be flying toChicago. Thank you very much. F: You蒺re welcome. Goodbye.M: Bye now.IV. PassagesA) Listen to the following passage, and choose the best answer to each question. The passage will be read twice.There are many different kinds of sharks. The largest is the Great White Shark. These sharks can grow to be morethan 6 meters long. That is even larger than a car. They also have more than 3,000 very sharp teeth. They canfind food by smelling it from very far away.Generally, people think that Great White Sharks are quite dangerous. The fact is that sharks are usually veryafraid of people. If they attack, it is because they are afraid or interested. Actually, few people die from sharkbites. Still, every year, a small number of people are hurt in accidents with sharks.In fact, Great White Sharks really need our help. Every year, around the world, there are fewer of them thatcan survive. Fishermen sometimes take lots of fish from the ocean. And then, these sharks have nothing to eat. Ifwe are not careful, one day there could be no Great White Sharks. This is very sad.B) Listen to the following passage, and fill in each blank according to the passage with no more than two words.The passage will be read twice.Everyone, may I have your attention, please? I just want to make a brief announcement about tomorrow蒺s field tripto the museum. We are going to meet in front of the school gate at 8 o蒺clock. We will be getting on the buses andleaving school at 8:15. So, don蒺t be late. We are going to have lunch at the museum蒺s Art Garden from 11:35 to12:35. Therefore, you should bring your lunch or enough money to buy something to eat in the museum cafeteria.After that, we are going to take a tour of the theater. And then well be back at 3 o蒺clock. Oh, yes, remember totake 10 dollars for the museum and theater entry fee, an umbrella and your student card. Any questions?
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sory,我没有到初二 《海底两万里》写于1870年,这本名著是凡尔纳叙述法国生物学家阿龙纳斯在海洋旅行的所见所闻! 这事发生在1866年,当时海上的人们
2011 年全国中学生英语能力竞赛(NEPCS)初赛初二年级组试题参考答案听力部分Sentences(句子理解)(共5小题;每小题1 分,计5 分)1—5 DABBCResponses(问句应答)(共5小题;每小题1 分,计5 分)6—10 ACBBDDialogues(对话理解)(共10 小题;每小题1 分,计10 分)11—15 DCACB 16—20 CBBADPassages(短文理解)(共10小题;每小题1 分,计10 分)A) 21—25 BCADDB) 26. 8:15 27. Art Garden 28. ten / 10 dollars 29. an umbrella 30. student card笔试部分I援Multiple-choice(选择填空)(共15小题;每小题1 分,计15 分)31—35 CBBDC 36—40 BCADB 41—45 ABBCD陨陨. Reading comprehension(阅读理解)(共20 小题;46—55 题每小题1 分;56—65题每小题2分,计30分)A) 46—50 BDCBAB) 51—55 FTFFT56. Monica57. hairstyle58. a little kiss59. wins the contest60. Sparky 和Monica 都想赢得比赛。但这场比赛不是选美比赛,而是选丑比赛。Sparky 希望赢得的正是“最丑陋犬比赛”。61. Chocolate comes from the seeds of cacao trees.62. People inMexicoloved chocolate very much and, at times, they used it as money or for trade and they evenhad a god of chocolate.63. After Joseph Fry made the first chocolate bar in 1847, people began to eat chocolate.64. Factories in Holland and the US cook and package most of the world蒺s chocolate.65. 巧克力是世界上最流行的食品之一。如今,全世界的人都在享用巧克力。每年,人们花费100多亿美元Cloze(完形填空)(共15小题;每小题1 分,计15 分)A) 66. no 67. dreams 68. true 69. interested 70. went71. Working / To work 72. kinds 73. easy 74. hundreds 75. sameB) 76. nothing 77. earth 78. Plants 79. that 80. takes Sentences pattern transformation(句式转换)(共5 小题;每小题2分,计10 分)81. H far82. H delicious83. doesn蒺t; or84. D need85. likeTranslation(翻译)(共5小题;每小题2 分,计10 分)86. I used to go to the concert in my spare time.87. It蒺s never too late to learn. / One is never too old to learn.88. It蒺s very necessary for us to have healthy eating habits.89. They are very good friends, but they don蒺t have much in common.90. We should not depend on our parents too much. Sentence formation(连词成句)(共5小题;每小题1 分,计5 分)91. How much do you like sports?92. Show me your photos when you come back.93. Where did he buy that interesting book?94. They looked after the patients in the hospitals.95. Gavin does not go to work because he is ill.Dialogues completion(补全对话)(共5小题;每小题1 分,计5 分)96—100 FGADBIQ test(智力测试)(共5小题;每小题1分,计5 分)101. 少壮不努力,老大徒伤悲。102. Our.103. 32 / Thirty-two.104. 27. (奇数位置数字24,30,36,42依次递加6;偶数位置数字18,9 递减9,36-9=27)105. C(注意观察:上面大图中每一幅小图里面都有一个黑圈和一个白圈,这样可排除答案B 和D;然后观察黑圈和白圈在姨两侧的位置,可见,黑圈都是在姨的内侧,白圈都是在姨的外侧,所以答案为C。). Writing(作文)(共2小题;A 题满分10 分;B 题满分15 分,计25 分)A) One possible version: A Survey about Smokers in a Middle SchoolThe survey about smokers in a middle school tells that although 89% of the students never smoke, 3% of themoften smoke and 8% sometimes do. In other words, 11% of the students smoke. That’s terrible.As we know, smoking is harmful to health, not only the health of those smokers, but also that of peoplearound. Every year, thousands of people die from smoking. And also smoking may cause a loss of money.Sometimes, cigarette ends may cause a fire.All in all, smoking is so dangerous that we should keep away from it.B) One possible version: Save WaterWater is very important for living things. Without water, there could be no life on earth. However, there is ashortage of water all over the world. We have to do something to save water.First of all, we must keep in mind the importance of water and try to save water in our daily life. Second,factories and companies and all of us should not pollute water. Third, try to reuse the waste water.Let’s work together to save water and save our lives or the last drop of water will be our tear drop.一、评分原则:1援本题总分为A) 10 分;B) 15 分,按四个档次给分。2援评分时,先根据文章的内容和语言水平初步确定其所属档次,然后以该档次的要求来衡量、确定或调整本档次,最后给分。3援文章词数少于规定词数,从总分中减去1 分。4援如书写较差,以致影响交流,将分数降低一个档次。二、各档次的给分范围和要求:第四档(很好):A) 9-10 分;B) 13-15 分完全完成了试题规定的任务,覆盖所有内容要点,符合英语表达习惯,应用了较多的语法结构和词汇,无词汇和语法错误,具备较强的语言运用能力,完全达到了预期的写作目的。第三档(好):A) 6-8 分;B) 9-12分完成了试题规定的任务,应用的语法结构和词汇能满足任务要求,符合英语表达习惯,基本无词汇和语法错误,达到了预期的写作目的。第二档(一般):A) 3-5分;B) 5-8 分未恰当完成试题规定的任务,漏掉内容要点,未描述清楚主要内容,写了一些无关内容,有词汇和语法错误,影响写作内容的理解,未能清楚地传达信息。第一档(差):A) 1-2 分;B) 1-4分未完成试题规定任务,明显遗漏了主要内容,写了一些无关内容,语法结构单调,词汇有限,有较多语法和词汇错误,影响写作内容的理解,未能传达信息。0分未能传达给读者任何信息,没有内容或内容太少,无法评判,写的内容均与所要求的内容无关或所写内容根本无法看清。2011 年全国中学生英语能力竞赛(NEPCS)初赛初二年级组试题听力部分录音原文I援SentencesListen to the following five sentences, and choose the best picture for each sentence. Each sentence will be readonly once.1. Lucy蒺s favorite hobby is collecting coins.2. Ben蒺s dream is to be a writer in the future.3. Mr. White bought his daughter a skirt for her birthday.4. Robert thought about going toJapan.5. Grace is ill in bed now.II. ResponsesListen to the following five questions, and choose the best response to each question. Each question will be readonly once.6. What day is it today?7. When did he become a movie star?8. How often does he climb the hills?9. What蒺re you doing for the vacation?10. Where蒺s the National Museum?III. DialoguesA) Listen to the following five mini-dialogues, and choose the best answer to each question. Each dialogue willbe read twice.11. M: Finally you蒺增藻come back. So, how was your trip, Maria?F: Oh, it cost me 泽燥much and I felt very tired.12. M: What time is your flight tomorrow, Suzan? F: A quarter to eleven, in the evening.M: OK, so you need to get to the airport two hours before that time.13. F: Would you like a drink, Eric? M: Yes, please. Do you have any fruit juice? F: Yes, sure. What would you like?Orange, apple or pineapple? M: Well, I really don蒺t like apple 燥则pineapple.14. M: Hey, mum, I have to tell you something. F: OK, what is it, Chris?M: Shirley invited me to go to her birthday party. I don蒺t 憎葬灶贼to go, so I told her that I was going fishingwith my dad.15. F: How was your class, Joanna?M: It went really well. Everyone liked it.F: What was it about?M: It was on learning a second language.B)Listen to a long dialogue, and choose the best answer to each question. The dialogue will be read twice.F: Good afternoon. Goldrun Oil Company. This is Jenny. How may I help you?M: Hi, this is Don Davis. I蒺d like to speak with your project manager, Mr. Daniels. F: He蒺s in a meeting at the moment. May I take a message? M: Yes, I蒺d like to speak to him as soon as possible.F: OK, Mr. Davis. What is your telephone number? M: It蒺s5-7-8-4-9-3-8. F: That was 578-9438. Right? M: Jenny, it蒺s 5-7-8-4-9-3-8. Area code 555.F: I蒺ve got it. Is there anything else? M: Tell him I called about the Zenda Project.F: I蒺ll give him the m藻ssage soon. M: By the way, please tell him to call me before 5 p.m., or I will be flying toChicago. Thank you very much. F: You蒺re welcome. Goodbye.M: Bye now.IV. PassagesA) Listen to the following passage, and choose the best answer to each question. The passage will be read twice.There are many different kinds of sharks. The largest is the Great White Shark. These sharks can grow to be morethan 6 meters long. That is even larger than a car. They also have more than 3,000 very sharp teeth. They canfind food by smelling it from very far away.Generally, people think that Great White Sharks are quite dangerous. The fact is that sharks are usually veryafraid of people. If they attack, it is because they are afraid or interested. Actually, few people die from sharkbites. Still, every year, a small number of people are hurt in accidents with sharks.In fact, Great White Sharks really need our help. Every year, around the world, there are fewer of them thatcan survive. Fishermen sometimes take lots of fish from the ocean. And then, these sharks have nothing to eat. Ifwe are not careful, one day there could be no Great White Sharks. This is very sad.B) Listen to the following passage, and fill in each blank according to the passage with no more than two words.The passage will be read twice.Everyone, may I have your attention, please? I just want to make a brief announcement about tomorrow蒺s field tripto the museum. We are going to meet in front of the school gate at 8 o蒺clock. We will be getting on the buses andleaving school at 8:15. So, don蒺t be late. We are going to have lunch at the museum蒺s Art Garden from 11:35 to12:35. Therefore, you should bring your lunch or enough money to buy something to eat in the museum cafeteria.After that, we are going to take a tour of the theater. And then we蒺ll be back at 3 o蒺clock. Oh, yes, remember totake 10 dollars for the museum and theater entry fee, an umbrella and your student card. Any questions?
qingyizhang119 答得最好,我今天去考了,那真的是答案,怎么弄到的选他为最佳我竟然错了好几个
唉!!!!!!!!!!!!!!!!!11
qingyizhang119答案是错的!!!
答案应该是对的
我刚考完,qingyizhang119答案是真的,选他为最佳!
wo ye mei zhao dao
和公布的答案对了,qingyizhang119答案是真的,为什么不选他为最佳呢?
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出门在外也不愁初二物理题目..急求..希望好心人帮帮忙_百度知道
初二物理题目..急求..希望好心人帮帮忙
在航天技术中,常用“马赫数”来表征飞行器的飞行速度。所谓“马赫数”,即飞行器的飞行速度和音速的比值,通常用字母M表示。在国庆50周年庆典激动人心的阅兵式上,我军向世界展示了建国以来我军装备现代化建设的成就。其中“飞龙7型”反潜导弹,可由飞机或舰艇上发射,在离海面很低的高度飞行,速度达M=1.4,射程逾32Km。 (1)这种导弹的飞行速度可达多少千米每时? (2)世界只有我国和俄罗斯研制成功了这种超音速反潜导弹,因它歼敌速度极快,很难拦截。若用它打击15Km处的来犯敌舰,则敌舰有多长的防御准备时间?(3)即使导弹被敌舰击中,他的残骸仍能以很高的速度打击敌舰,残骸为什么还有很高的速度?过程。。
提问者采纳
第三题:惯性
那一二两题呢
答案楼上已经说了。1,题目告诉你那个马赫的意义,你只需要将音速和马赫值相乘即可。那个3.6是单位转换而来的1km/h=1X1000m/(3600s)
即1m/s=3.6km/h2,时间=路程/速度。明白了?
答案楼上已经说了。1,题目告诉你那个马赫的意义,你只需要将音速和马赫值相乘即可。那个3.6是单位转换而来的1km/h=1X1000m/(3600s)
即1m/s=3.6km/h2,时间=路程/速度。明白了?
提问者评价
恩恩..很简单的嘛谢谢你咯外加谢谢楼上
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第一个 V=1.4*340*3.6第二个
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