初三英语中考模拟试卷及答案
初三中考英语模拟试题 附答案

初三中考英语模拟试题第I卷选择题(共74分)I. 单项填空 (此题共12小题,每题l分,共12分)从各题所给的四个选项中,选出可以填入空白处的最正确选项。
〔〕1. Although Shrek is ____ ugly man, many children still love him.A. aB. anC. theD./〔〕2. ____ her way home, Amy helped a child find his mother.A. AtB. InC. ByD. On〔〕3. When the students grow up, they should learn to depend on _____ instead of others.A. theirsB. theirC. themD. themselves〔〕4. Although I __ ever have time to see her, I often call her.A. hardlyB. almostC. nearlyD. exactly〔〕5.·He is going to be a scientist when he ___ up.A. growsB. will growC. is going to growD. grew〔〕6. –Do you have any ____ with your new classmates? --No, we get on well.A. experienceB. adviceC. troubleD. attention〔〕7. ______ you please give me a hand? The box is too heavy.A. ShouldB. CouldC. MustD. Need〔〕8.You’ll be late for school ____ you don’t hurry up.A. orB. asC. ifD. until〔〕9.They had to _____ the school trip because of the rain.A. go onB. ask forC. call offD. pay for〔〕10.The little boy can tidy up his room and even dress himself _____.A. A. suddenlyB. loudlyC. properlyD. safely〔〕11. I learn many English words, but I often ___ them quickly.A. writeB. forgetC. translateD. spell〔〕12.—Congratulations to you on winning the first prize in the competition.--______.A. You’re welcomeB. Never mindC. Don’t mention itD. Thanks a lot.II.完形填空(一)(此题共l2小题,每题l分,共l2分)阅读下面短文,理解其大意。
中考英语模拟试题(附参考答案)

中考英语模拟试题(附参考答案)本试卷分为第I卷(主要为选择题,听力测试中的21-25小题为非选择题)和第II 卷(非选择题)两部分。
满分为150分,考试时间90分钟。
第I卷(共80分)注意事项:1、答第I卷前,考生务必将自己姓名、准考证号、考试科目按要求涂写在答题卡上。
选出答案后,用铅笔把答题卡上对应题目的答案标号涂黑。
如需改动,用像皮擦干净后,再选涂其它答案标号。
第II卷的答案(包括第I卷的21-25题的答案)请写在答题卡上。
2、考试结束后,监考人员将本试卷和答题卡一并收回。
第一部分听力(共25小题;1-20每小题1分;21-25每小题2分;满分30分)(一)听句子,选择适当的应答语。
每个句子读两遍。
1. A. It doesn’t matter. B. Sorry, I won’t. C. Thank you.2. A. He likes playing basketball. B. He is of medium height. C. He is polite.3. A. I had a fever. B. I am sorry. C. It was sunny.4. A. Once a month. B. For a week. C. Yes, I have.5. A. No, thanks. B. I like it very much. C. It’s delicious.(二)听小对话,根据对话内容选择正确答案。
每段对话读两遍。
你将有15秒钟时间阅读下面5个小题。
6. How old is the boy?A. 9.B. 12.C. 15.7. What will the weather be like tomorrow?A. Hot.B. Rainy.C. Cloudy.8. Why doesn’t the man wear his jacket?A. Maybe he isn’t cold.B. Maybe he doesn’t like it.C. Maybe he lost it.9. How many people are going camping?A. Four.B. Five.C. Six.10. Who runs the fastest?A. Henry.B. Mike.C. John(三)听两段长对话,选择正确答案。
初三英语中考模拟试题及答案

初三英语中考模拟试题及答案初三英语中考模拟试题及答案一、选择题1、The young man ______ a blue T-shirt is standing by the roadside. A. in B. on C. at D. of2、She ______ English for five years before she came to the United States. A. studied B. has studied C. will study D. studies3、The ______ of the red pencil is $2 at our bookstore. A. worthB. valueC. priceD. cost4、This is the ______ time for me to visit the Great Wall. A. first B. second C. third D. fourth5、We ______ eat a balanced diet to keep healthy. A. must B. may C. can D. could二、完形填空Mrs. Smith lives in the small town of Hope, but she works in a hospital in a big city. She usually gets up at 5:30 in the morning, puts on her white uniform, and leaves home at 6:30.The 1 to the hospital takes about an hour, and she usually has a cup of coffee and a piece of bread for breakfast before she leaves home. She has a busy 2 because she has to work with many patients (病人) every day, but she never complains about it. She is a kind and 3 doctor, and many patients like her very much. One morning, she had an appointment with a patient who lived in another town. She had to go to that town by bus because there was no 4 to take her there. When she got on the bus, she showed her ticket to the conductor (售票员), and then sat down next to a woman. The woman looked very 5 and didn't seem to feel well. Mrs. Smith asked her what the matter was, and the woman said she had a very bad headache and felt very weak. Mrs. Smith asked the woman to take 6 place on the bus, and then asked the conductor to call an ambulance (救护车). She said she would go to the woman's house to see her because there was no need to 7 the hospital. The woman was very grateful (感激) and said, "You are so kind, Mrs. Smith. I feel much 8 now." The ambulance came soon and took the woman to the hospital, and Mrs. Smith went there after that.( )1. A. way B. trip C. journey D. travel( )2. A. work B. rest C. study D. free time( )3. A. careful B. careless C. carefulness D. carefully ( )4. A. train B. bus C. subway D. car( )5. A. ill B. well C. healthy D. strong( )6. A. her B. his C. its D. my( )7. A. visit B. go C. see D. come( )8. A. tired B. better C. worse D. busier答案及解析:1.正确答案是:C. journey根据常用词组“take sb's journey”表示“进行旅行”,所以正确答案为C。
初三英语中考模拟试题及答案文库

初三英语中考模拟试题及答案文库一、听力部分(略)二、单项选择题1. Which of the following is not a fruit according to the given options?A. AppleB. OrangeC. CarrotD. Banana答案:C2. What does the underlined word "spectacular" mean in the sentence "The fireworks display was spectacular"?A. ScaryB. BoringC. AmazingD. Common答案:C3. The phrase "take a rain check" is commonly used to mean:A. To accept an invitation.B. To postpone an event.C. To cancel an event.D. To check the weather.答案:B4. If someone says "I'm all ears," it implies that they are:A. Ready to listen.B. Tired of listening.C. Not interested in listening.D. Unable to hear.答案:A5. The correct form of the verb to complete the sentence "I wish I ___ go to the concert last night" is:A. couldB. canC. could haveD. am able to答案:C三、完型填空阅读下面的短文,从A、B、C、D四个选项中,选出最佳选项填空。
九年级中招模拟英语试卷【含答案】

九年级中招模拟英语试卷【含答案】专业课原理概述部分一、选择题(每题1分,共5分)1. What is the past tense of the verb "go"?A. wentB. goedC. goneD. goes2. Which word is an adjective?A. happyB. runC. jumpD. eat3. What is the plural form of "child"?A. childsB. childesC. childrenD. childs'4. What is the opposite of "big"?A. smallB. largeC. hugeD. tiny5. What is the correct form of "I" in the sentence "______ am going to the store"?A. meB. myC. mineD. I二、判断题(每题1分,共5分)1. "He don't like apples" is a correct sentence. ( )2. "She run every morning" is the correct past tense of "She runs every morning". ( )3. "They are going to the movies" means that they will go to the movies in the future. ( )4. "I have eaten" is the correct present perfect tense of "I eat". ( )5. "He can sing and dance" means that he is able to sing and dance. ( )三、填空题(每题1分,共5分)1. I _______ (go) to the park yesterday.2. She _______ (be) happy to see her friends.3. They _______ (watch) a movie last night.4. We _______ (visit) our grandparents next weekend.5. He _______ (do) his homework every evening.四、简答题(每题2分,共10分)1. What is the difference between "I'm" and "I am"?2. What is the past tense of "write"?3. What is the opposite of "old"?4. What is the correct form of "you" in the sentence "______ are going to the party"?5. What is the plural form of "mouse"?五、应用题(每题2分,共10分)1. Translate the sentence "She is reading a book" into Spanish.2. Write a sentence using the future tense "will" and the verb "go".3. Create a sentence using the present perfect tense and the verb "eat".4. Write a question using the word "where" and the verb "live".5. Make a sentence using the parative form of "tall" and the word "than".六、分析题(每题5分,共10分)1. Analyze the sentence "They have been traveling for three months" and expln the tense used.2. Expln the difference between "I like to read" and "I like reading".七、实践操作题(每题5分,共10分)1. Write a short dialogue between two people meeting for the first time.2. Describe your favorite place in your hometown using at least five adjectives.八、专业设计题(每题2分,共10分)1. Design a system that allows students to track their progress in a course.2. Create a program that helps teachers organize their lesson plans.3. Develop an app that provides vocabulary practice for language learners.4. Plan a classroom layout that promotes collaboration and engagement.5. Design a curriculum for a beginner-level programming course.九、概念解释题(每题2分,共10分)1. Expln the concept of machine learning and provide an example.2. Define the term "database" and describe its purpose.3. Describe the difference between a piler and an interpreter.4. Expln the concept of "user experience" in software design.5. Define the term "algorithms" and provide an example.十、思考题(每题2分,共10分)1. How can technology be used to improve educational outes for students?2. What are the potential benefits and challenges of incorporating virtual reality in education?3. How can educators address the digital divide and ensure equitable access to technology for all students?4. What role can artificial intelligence play in personalized learning?5. How can schools promote digital literacy and responsible use of technology among students?十一、社会扩展题(每题3分,共15分)1. Discuss the impact of social media on munication and relationships in today's society.2. Analyze the role of technology in shaping the future of work and employment.3. Evaluate the influence of online learning platforms on traditional education systems.4. Explore the potential consequences of relying heavily on technology for everyday tasks.5. Discuss the ethical considerations surrounding the use of data and privacy in the digital age.本专业课原理概述部分试卷答案及知识点总结如下:一、选择题答案1. A2. A3. C4. A5. D二、判断题答案1. ×2. ×3. √4. √5. √三、填空题答案1. went2. is3. watched4. will visit5. does四、简答题答案1. "I'm" is a contraction for "I am" and is often used in informal writing and speaking.2. The past tense of "write" is "wrote".3. The opposite of "old" is "young".4. The correct form of "you" in the sentence "______ are going to the party" is "you".5. The plural form of "mouse" is "mice".五、应用题答案1. Ella está leyendo un libro.2. I will go to the store tomorrow.3. I have eaten breakfast.4. Where do you live?5. He is taller than his brother.六、分析题答案1. The sentence "They have been traveling for three months" uses the present perfect continuous tense, indicating that the action started in the past and is still ongoing.2. "I like to read" emphasizes the habit or general preference of reading, while "I like reading" focuses on the enjoyment of the activity at the moment.七、实践操作题答案1. Person A: Hi, my name is [Name]. Nice to meet you.Person B: Hi, [Name], I'm [Name]. Nice to meet you too.2. My favorite place in my hometown is the beautiful, peaceful park with its lush green trees, colorful flowers, and serene lake. It's a great place to relax and enjoy nature.知识点总结及各题型考察的学生知识点详解:一、选择题:主要考察学生对英语基础词汇和语法的掌握,包括动词的过去式、形容词的识别、名词的复数形式、反义词的理解以及主谓一致。
中考模拟考试英语试卷与答案解析(共三套)

D. when we ill have the school leavers’ party
15. ________ you practice every day, you won’t make any progress.
A In China. B. In Italy. C. In Australia.
15. What are the two speakers mainly talking about?
A. The job. B. The weather. C. The radio.
第四节:听短文,根据其内容选出能回答下列问题的最佳答案。短文读两遍。
C. that’s a good ideaD. I think you’re right
20. Which part is the VERB of the following sentence “Susan walks to school every day.”?
A. “Susan”B. “walks to”C. “school”D. “every day”
—So they have. ________ nice of them!
A. HowB. WhatC. How aD. What a
7. We left ________ such a hurry that we forgot our tickets.
A. onB. forC. toD. in
8. Don’t keep up with him—he runs ________ than me.
17. Tom wants you to visit him. Look at your plan on the right and complete the conversation.
九年级中考英语模拟试题含答案

九年级中考英语模拟试题含答案九年级的学生想要在中考中获得一个好的英语成绩,那么平时就应该多做一些模拟试题。
小编为大家推荐了相关试卷,希望可以帮助到大家!九年级中考英语模拟试题卷 I一、听力(共15小题,满分25分)第一节: 听小对话,请从A、B、C三个选项中选出正确的选项,回答问题。
(满分5分)1. Which country would Linda like to visit?A. England.B. CanadaC. France2. What will the weather be like tomorrow?A. RainyB. SunnyC. Snowy3. How did Jim go to school this morning?A. on footB. by bikeC. by bus4. What time is it now?A. 4:00B. 4:10C. 4:205. Where are the two speakers probably talking?A. In a bankB. In a libraryC. In a station第二节:听较长对话,请从A、B、C三个选项中选出正确的选项,回答问题。
(满分10分)听下面一段对话,回答第6、7两个问题。
6.What’s the man?A. A writerB. A shop assistantC. A taxi driver7. How much will the woman pay in all?A. $250B.$125C.$385听下面一段较长的对话,回答8-10三个小题。
8. What is the prize for the competition?A. Cinema tickets.B. A computer.C. A camera.9. Which subject are the questions in the competition about?A. History.B. Geography.C. Chemistry.10. When is the last day of the competition?A. This Saturday.B. Next Monday.C. Next Wednesday.第三节:听下面一段独白,请根据独白内容,从A、B、C三个选项中选择正确的选项,完成信息记录表。
中考英语模拟试题及答案共七套

中考英语模拟试题及答案共七套中考英语模拟试题及答案共七套在备战中考英语的过程中,模拟试题的练习是非常重要的。
通过模拟试题,我们可以了解考试的题型、难度和时间分配,同时还可以检验自己的英语水平。
本文将提供七套中考英语模拟试题及答案,帮助大家更好地备考。
第一套模拟试题听力部分1、(1) A. shirt B. ship C. sheep D. shelf (2) A. bill B. bigC. filmD. climb (3) A. nose B. note C. code D. cloud笔试部分2、The _______ month is July. A. seaside B. seventh C. seawaterD. seven21、They are _______ a football match now. A. playing B. havingC. watchingD. reading答案及解析1、(1) A。
根据所听内容,选择正确的单词填空。
正确答案是A,因为“shirt”与录音中的“shirt”读音相同。
(2) C。
根据所听内容,选择正确的单词填空。
正确答案是C,“film”与录音中的“film”读音相同。
(3) D。
根据所听内容,选择正确的单词填空。
正确答案是D,“cloud”与录音中的“cloud”读音相同。
2、B。
根据句意和语境,选择正确的单词填空。
正确答案是B,“seventh”表示“第七个月”。
3、A。
根据句意和语境,选择正确的单词填空。
正确答案是A,“playing”表示“正在踢足球”。
第二套模拟试题听力部分1、A. life B. light C. like D. license2、A. grandpa B. grammar C. green D. great3、A. stomach B. ladder C. dollar D. doctor笔试部分2、My younger sister is _______ university student majoring in English. A. a B. an C. the D. /21、The music in the background makes me feel _______. A.peaceful B. peacefuls C. peacefully D. peace答案及解析1、C。
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初三英语中考模拟试卷及答案初三英语中考模拟试卷及答案初三英语中考即将到来,同学们都在紧张地复习。
为了帮助大家更好地备战中考,本文提供一份模拟试卷及答案,供大家参考。
一、单项选择题1、The ________ you are playing with is ________ elephant. A. little; an B. big; a C. very; the D. first; the 答案:A2、We ________ a speech contest on February 15th. A. are havingB. will haveC. hadD. having 答案:B3、My family ________ TV at home last night. A. didn't watchB. didn't watchingC. didn't watchingD. not watch 答案:A二、完形填空题Last weekend,we went to the countryside to have a picnic. It was a beautiful day,and we were all very 41 . We saw some cows,some ducks and many 42 on the farm. We had a great 43 . However,everything changed when a black cloud came nearer and nearer. It started to 44 ,and we had to pack up quickly and leave. But we 45 the picnic basket. 答案: 41. excited 42. sheep 43. time44. rain 45. lost三、阅读理解题The meaning of the word “team” is “a group of people who work together”. When you are on a team,you learn to work with others and also learn team spirit. You are part of a team,and you should behave properly and show sportsmanship. 答案:C四、书面表达题假设你是李华,最近你的美国笔友Tom来信询问你最喜欢的季节。
请根据以下提示,用英语写一封回信。
提示:1. 你最喜欢的季节是秋季;2. 秋季的天气不冷也不热,非常舒适;3. 秋季树叶变色,非常美丽;4. 在秋季,你可以穿上你最喜欢的衣服,做你最喜欢的事情。
尊敬的Tom,非常感谢你的来信。
我最喜欢的季节是秋季。
在这个季节,天气不冷也不热,非常舒适。
此外,树叶在秋季变色,非常美丽。
在这个季节,我可以穿上我最喜欢的衣服,做我最喜欢的事情。
希望这封信能回答你的问题。
期待你的回信。
最好的祝愿,李华以上就是初三英语中考模拟试卷及答案。
希望这份试卷能够帮助大家巩固知识点,提高英语应用能力。
初三中考英语模拟试卷初三中考英语模拟试卷随着中考的临近,初三学生们开始备战中考。
英语作为中考的重要科目,对于学生的成绩具有举足轻重的作用。
为了帮助大家更好地备战中考,本文将介绍一份初三中考英语模拟试卷。
一、试卷结构本模拟试卷分为两个部分,第一部分为听力,第二部分为笔试。
听力部分共30分,包括10个小题;笔试部分共120分,包括4个题型。
二、听力部分听力部分主要考察学生的英语听力和理解能力。
在听力的过程中,学生需要集中注意力,抓住关键信息,理解对话或短文的含义。
以下是听力部分的题型及解题方法:1、图片选择题:根据听到的内容,选择与图片相符的选项。
2、填空题:听一段对话或短文,填写缺失的单词或短语。
3、判断对错题:根据听到的内容,判断5个句子的对错。
4、听短文回答问题:听一段短文,然后回答问题。
三、笔试部分笔试部分包括4个题型,分别是单项选择、完形填空、阅读理解和写作。
这些题型旨在全面考察学生的英语语法、词汇、阅读和写作能力。
1、单项选择题:共15个小题,主要考察语法、词汇和情景交际能力。
2、完形填空题:共10个小题,考察学生的词汇辨析和语境理解能力。
3、阅读理解题:共3篇短文,每篇短文后面有5个小题,考察学生的阅读速度和的理解能力。
4、写作题:根据给出的中文提示,写一篇80字左右的短文。
题目可能涉及到学生的日常生活、学校生活、旅游等话题。
四、备考建议为了在中考英语中取得好成绩,学生需要注意以下几点:1、多做模拟试卷:通过做模拟试卷,熟悉考试题型和答题技巧,提高答题速度和准确率。
2、强化听力训练:听力是英语考试中的重要部分,需要通过大量的听力训练提高听力水平。
3、扩大词汇量:词汇是英语学习的基础,需要掌握常见单词和短语的用法,同时注意学习一些常见的俚语和习惯用语。
4、提高阅读速度:阅读理解是英语考试中的重要题型,需要提高阅读速度和理解能力。
可以通过阅读英文文章、英文材料、英文新闻等来提高阅读能力。
5、加强写作训练:写作是英语学习中不可或缺的一部分,需要多写、多练,注意语法、拼写和标点符号的正确使用。
总之,在中考英语备考中,学生需要注重基础知识的掌握和实践能力的提高,同时注意调整好心态,以积极的心态迎接中考。
祝愿所有备战中考的学生能够在考试中取得好成绩!初三英语中考模拟试卷初三英语中考模拟试卷一、关键词初三、英语、中考、模拟试卷、语法、阅读理解、写作、听力测试、词汇、语音。
二、文章内容初三阶段是学生们冲刺中考的关键时期,其中英语学科的备考更是至关重要。
为了帮助大家更好地备战中考,本文将介绍一份初三英语中考模拟试卷,从语法、阅读理解、写作、听力测试和词汇等方面进行全面评估。
1、语法语法是英语学习的基础,也是中考的重要考点。
在模拟试卷中,我们将设置选择题和填空题,涵盖时态、语态、主谓一致、非谓语动词、从句等语法项目。
通过对这些题目的练习,学生们可以更好地掌握英语语法知识,提高语言运用能力。
2、阅读理解阅读理解是英语中考的重要题型,旨在考察学生的阅读技巧和阅读能力。
在模拟试卷中,我们将选取适合初三学生阅读的文章,包括记叙文、说明文和议论文等文体。
问题设计将涉及主旨大意、细节理解、推理判断和词义猜测等方面,以全面评估学生的阅读能力。
3、写作写作是英语学习的输出环节,也是中考的重要得分点。
在模拟试卷中,我们将设置不同类型的写作任务,如短文写作、看图写作和开放性写作等。
通过这些练习,学生们可以进一步提高自己的英文表达能力和写作技巧。
4、听力测试听力测试是英语中考的必考题型,旨在考察学生的听力理解和口语表达能力。
在模拟试卷中,我们将播放一段对话或短文,然后提出相关问题。
此外,我们还将设置填空题,让学生根据听到的内容填写缺失的词汇或短语。
通过大量听力练习,学生们可以逐渐提高自己的听力水平,为中考做好准备。
5、词汇词汇是英语学习的基础,也是中考的重要考点。
在模拟试卷中,我们将设置词汇题,包括单词拼写、词性转换和词组搭配等。
通过这些练习,学生们可以进一步巩固所学词汇,提高词汇运用能力。
总的来说,这份初三英语中考模拟试卷旨在从多个方面帮助学生们全面复习和巩固英语知识,提高应试能力和成绩。
在备考过程中,建议学生们结合自身实际情况,有针对性地进行练习和复习。
保持良好的心态和积极的情绪也是取得好成绩的重要因素。
希望这份模拟试卷能为大家的备考提供一定的帮助和指导。
最新初三英语中考模拟试卷及答案标题:最新初三英语中考模拟试卷及解析初三学期对于学生来说是至关重要的一年,其中英语学科更是重中之重。
为了更好地备战中考,我们特别推出了一款最新的初三英语中考模拟试卷,旨在帮助同学们提升应试能力,增加信心。
接下来,我们将对这份试卷进行详细解析。
首先,这份试卷严格按照中考英语科目的考试要求进行设计,包括听力、单项选择、完形填空、阅读理解、翻译和写作六大题型,全面考查学生的英语综合能力。
试卷难度适中,紧扣教材,同时又稍具挑战性,有利于同学们在练习中提升自己的应试技巧。
在听力部分,我们选取了一些与中考听力难度相当的对话,测试学生对语音、语调和语言的理解能力。
单项选择题部分,主要涉及语法、词汇和情景交际等知识点,意在考察学生的基础语法知识和日常交际能力。
完形填空题对学生在语境中灵活运用词汇的能力提出了要求,而阅读理解题则着重测试学生的快速阅读理解和信息捕捉能力。
翻译题要求学生对英文句子进行准确的理解和表达,同时考察学生对中英文互译的转换能力。
最后的写作部分,我们设计了一些与学生日常生活相关的主题,旨在测试学生的文字表达和逻辑思维能力。
针对这份试卷,我们也提供了一份详细的答案解析。
在答案解析中,我们不仅给出了每道题目的正确答案,还对每道题目的解题思路进行了分析,以便学生能够更好地理解题目的考察意图,从而提升应试能力。
总的来说,这份模拟试卷及答案解析是初三学生备考中考英语科目的一份宝贵资料。
我们希望同学们能够充分利用这份资料,对自己的英语能力进行查缺补漏,为即将到来的中考做好充分的准备。
我们也希望同学们能够在学习过程中不断积累信心,以积极、乐观的心态迎接中考的挑战。
初三化学中考模拟试卷初三化学中考模拟试卷一、选择题1、下列变化中,属于化学变化的是()。
A. 石蜡熔化 B. 酒精挥发C. 瓷碗破碎D. 铁生锈2、下列物质中,不属于合金的是()。
A. 球墨铁 B. 氧化铁 C. 生铁 D. 不锈钢3、下列气体中,不能用氢氧化钠溶液吸收的是()。
A. 二氧化硫 B. 一氧化碳 C. 二氧化氮 D. 三氧化硫二、填空题1、请写出下列物质的化学式:(1)氧气;(2)氢气;(3)水。
2、请写出下列物质的电子式:(1)氯化钠;(2)溴化钾。
3、请用分子原子的观点解释:水通电分解生成氢气和氧气的过程是吸热的过程,但反应后生成物的温度却比反应前低。
三、实验题1、请设计一个简单的实验,证明二氧化碳能溶于水。
2、请设计一个实验,证明酒精中含有碳、氢两种元素。
四、计算题1、请计算20克硝酸铵中含氮元素的质量。
2、某工厂用含氧化铁80%的赤铁矿冶炼100吨生铁,需要消耗该赤铁矿多少吨?五、探究题1、请设计一个实验,探究铁生锈的条件。
2、请设计一个实验,探究盐溶液是否呈中性。
六、应用题1、请解释下列生产、生活中的现象:(1)用活性炭除去冰箱内的异味;(2)用石灰石作建筑材料。
2、请提出一条防止水体污染的措施。
参考答案:一、选择题1、D。
石蜡熔化是物质状态的改变,没有新物质生成,属于物理变化;酒精挥发是液体变成气体的过程,没有新物质生成,属于物理变化;瓷碗破碎是物质形状的改变,没有新物质生成,属于物理变化;铁生锈是铁与氧气、水等物质发生化学反应,生成了新物质——铁锈,属于化学变化。