浙江省杭州市萧山区党湾镇初级中学2014届九年级上学期英语期中试题(word版含答案)
浙江省杭州市萧山区党湾镇初级中学2014届九年级英语上学期期中试题听力部分（25分）一、听短对话回答问题（共5小题，计5分）听下面五段对话，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，并标在试题的相应位置，听完每段对话后，你都有十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。
1. How does the woman learn English?A. By talking with foreigners.B. By studying grammar.C. By listening and reading.2. Where does the conversation most probably take place？A. In a shop.B. In a restaurant.C. In a bank.3. Who went for vacation with Julie?A. Marcia.B. Alice.C. Nobody.4. What’s the man going to do?A. Run to the airport.B. Wait for another bus.C. Hurry to get the next bus.5. What does the woman suggest the man should do?A. Give up smoking.B. Go to the smoking room.C. Go out of the small room.二、听长对话回答问题（共6小题，计12分）听下面两段长对话。
每段对话后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，听每段对话前，你有时间阅读各个小题，每小题5秒钟；听完后，各小题给出5秒钟的作答时间。
每段对话读两遍。
听下面一段对话，回答第6至8三个小题。
现在你有15秒钟的时间阅读这三个小题。
6．What is the relationship between the two speakers?A．Neighbors. B．Mother and son. C．Husband and wife. 7．What’s the problem with the son?A．He made much noise. B．He had a cold.C．He finished his homework.8．What did the man do last night?A．Slept. B．Went to the movies. C．Had a party.听下面一段对话，回答第9至11三个小题。
现在你有15秒钟的时间阅读这三个小题。
9. When will the man see the movie?A. At 8:00.B. At 8:15.C. At 8:30.10. What kind of movie is Big Gentlemen?A. An action movie.B. A comedy.C. A thriller.11. How much will the man pay for the tickets?A. 68 yuan.B. 86 yuan.C. 80 yuan.三、听独白回答问题（共4小题，计8分）听下面一段独白，并按独白的要求在试卷上完成任务，你可以边听边完成任务。
然后你会看到四个问题和相关的选项。
请从每个问题A、B、C三个选项中选出最佳选项。
听独白前，你有20秒钟的时间阅读有关材料和四个小题。
听完独白后，你有20秒钟的时间来选择有关选项。
独白连读两遍。
QUESTIONNAIRE笔试部分（95分）四、单项填空（共15小题，计15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。
16. They saw a strange creature. The underlined part is pronounced as _______.A. [ eI ]B. [i: ]C. [ i:eI ]D. [ e ]17. — Do you know the school very well?— Yes, I _______ work there for years.A. use toB. was used toC. used toD. used to being18. — May I go to the concert with you?—I’m afraid not _______ you have a ticket, because I have only one.A. unlessB. ifC. sinceD. though19. — Why do you feel so sad?— What you said just now ______ me of my past.A. thinksB. remindsC. tellsD. remembers20. Lucy doesn’t think that _________ Englis h movies is a good way to learn English.A. watchB. watchedC. watchingD. watches21. During the National Day,________ visitors came to Hangzhou.A. million ofB. millions ofC. millionsD. million22. Success will belong to those ______ never say impossible.A. whatB. whoC. whichD. /23. — Excuse me. When can we play football on the playground?— Not until it ________ next week.A. repairsB. will repairC. is repairedD. will be repaired24. Without electricity, human life ________ quite different today.A. isB. will beC. has beenD. would be25. —Liu Qian’s magic is so cool.I’m his fan.—________.A. So do IB. So I doC. So I amD. So am I26. My mother _________ stay at home ______ go out.A. would rather，thanB. prefer, toC. will, instead ofD. prefer, rather than27. This ad________be about food . Look! It says“ Yummy!”.A. mustB. mayC. can’tD. mustn’t28. This morning I ______ some new restaurants on the Internet for I wanted to takeMia to a nice restaurant for her birthday.A. picked upB. gave upC. cleaned upD. looked up29. We love to go to the country in spring as the flowers smell so .A. wellB. niceC. betterD. nicest30. —Come back quickly, Tom.—Sure, Mum._________.A. Please go aheadB. That’s all rightC. It won’t be longD. Good idea五、完形填空（共15小题，计15分）通读下面短文，掌握其大意，然后在各题所给的四个选项中选出一个最佳答案。
Last year, I learned from a newspaper that some sick kids needed help. I phoned the newspaper and I was asked to 31 a little girl named Lisa, who had mental 32 .A short time later, I went for a 33 to Lisa. After having been at the mental hospital for years, she had recently been allowed to be at home. At first, I did most of the 34 . Lisa, however, was too quiet and introverted(内向的), shyly sittingin the corner of the sofa and listening. She was careful not to allow our eyes to 35 . Over time, Lisa felt more comfortable little by little while I was 36 .Our weekly get–togethers usually 37 sharing a cup of hot coffee, window shopping or taking slow walks in the country.Lisa 38 discussed how she felt about our friendship, even after we completed our first year together. However, she knew she could always 39 me.Then one day I got a call from our volunteer group. “Mary, would you and Lisa like to be intervi ewed on a local TV news show?” 40 , I answered, “Wow! Let me discuss it with Lisa.” I didn’t think Lisa would be 41 going on “live” television. But to my surprise, Lisa wanted to be interviewed, too.At the interview, she said, “ 42 I can help other people understand how important our 43 is, and how it has helped me, maybe they’ll volunteer, too. Mary, wouldn’t that be great?” With tears running down, we smiled at each other.From then on, Lisa never 44 a chance to plant seeds about the volunteer group with others. Her face lit up no matter 45 she talked about our special friendship.31. A. help B. take C. teach D. tell32. A. sadness B. kindness C. business D. illness33. A. swim B. visit C. trip D. way34. A. cleaning B. listening C. talking D. interviewing35. A. reach B. open C. fix D. meet36. A. present B. silent C. calm D. polite37. A. got B. went C. meant D. enjoyed38. A. ever B. never C. once D. just39. A. agree with B. think about C. care for D. depend on40. A. Unhappy B. Worried C. Excited D. Terrified41. A. nervous B. comfortable C. safe D. sorry42. A. If B. Though C. Because D. After43. A. get-together B. talk C. friendship D. interview44. A. met B. had C. lost D. missed45. A. what B. when C. where D. how六．阅读理解（共15小题，计30分）。
浙江省杭州市萧山区党湾镇初级中学九年级英语10月学生学习能力测试试题 人教新目标版
2012年10月考试时间:100分满分:120分听力部分（25分）一、听短对话回答问题（共5小题，计5分）听下面五段对话，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，并标在试题的相应位置，听完每段对话后，你都有十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。
1. Where is the woman from?A.AmericaB. ChinaC. Germany2. How many children are there in the family?A.TwoB. ThreeC. Four3. What does the woman mean?A.She enjoyed the music at the party.B.She liked the food at the party.C.She didn’t have a good time at the party.4. What’s the weather like now?A.CloudyB. Fi neC. Windy5. What is the woman going to do?A.She is flying to Hong KongB.She is going to buy an air ticket.C. She is going to say good-bye to Bill.二、听长对话回答问题（共6小题，计12分）听下面两段长对话。
每段对话后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，听每段对话前，你有时间阅读各个小题，每小题5秒钟；听完后，各小题给出5秒钟的作答时间。
每段对话读两遍。
听下面一段对话，回答第6至8三个小题。
现在你有15秒钟的时间阅读这三个小题。
6. What is the man invited to do?A.To teach in his mother’s school.B. To give a party.C. To give a talk.7. Will the man go back to school?A.Yes, he will.B. No, he won’tC. We don’t know.8. Which of the following is TRUE ?A.The women advised him not to go back to school.B.The man didn’t want to go back to school at first.C.The man used to like school but had some trouble in his subjects.听下面一段对话，回答第9至11三个小题。
2014-2015学年第一学期九年级期中检测英语试卷及答案(有听力音频)
2014学年九（上）期中检测英语卷听力材料及参考答案听力材料：第一节．听短对话，回答问题。
1.M: How was the concert last night?W: It was a waste of time and money.2. M: Shall we go to the library next Monday?W: All right. See you then!3. W: Don’t draw on the wall, Sam.M: Pardon?W: I asked you not to draw on the wall. You can help me clean the floor.4. M: Do you like rock music, Linda?W: No, I don’t. It’s too noisy. I prefer light music.5. W: Excuse me. Do you mind if I sit here?M: No, of course not.第二节、听长对话，回答问题。
听下面一段较长的对话，回答第6至7两小题。
W: May I help you, sir?M: Yes. I’m looking for a coat for my daughter.W: These coats are for boys. This way, please.M: Well, that red coat is nice. May I have a look at it?W: Sure, here you are.M: How much is it?W: 150 yuan.M: That’s a bit expensive. Do you have a cheaper one?W: The blue one is cheaper. It's 80 yuan.M: OK. I’ll take it. And my daughter likes red best.听下面一段较长的对话，回答第8至10三小题。
(整理版)市萧山区党湾镇初级九年级英语10月学生学
省市萧山区党湾镇九年级英语10月学生学习能力测试试题人教新目标版10月考试时间:100分总分值:120分听力局部〔25分〕一、听短对话答复以下问题〔共5小题，计5分〕听下面五段对话，每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最正确选项，并标在试题的相应位置，听完每段对话后，你都有十秒钟的时间来答复有关小题和阅读下一小题。
每段对话仅读一遍。
1. Where is the woman from?A.AmericaB. ChinaC. Germany2. How many children are there in the family?A.TwoB. ThreeC. Four3. What does the woman mean?A.She enjoyed the music at the party.B.She liked the food at the party.C.She didn’t have a good time at the party.4. What’s the weather like now?A.CloudyB. Fi neC. Windy5. What is the woman going to do?A.She is flying to Hong KongB.She is going to buy an air ticket.C. She is going to say good-bye to Bill.二、听长对话答复以下问题〔共6小题，计12分〕听下面两段长对话。
每段对话后有几个小题，从题中所给的A、B、C三个选项中选出最正确选项，听每段对话前，你有时间阅读各个小题，每题5秒钟；听完后，各小题给出5秒钟的作答时间。
每段对话读两遍。
听下面一段对话，答复第6至8三个小题。
现在你有15秒钟的时间阅读这三个小题。
6. What is the man invited to do?A.To teach in his mother’s school.B. To give a party.C. To give a talk.7. Will the man go back to school?A.Yes, he will.B. No, he won’tC. We don’t know.8. Which of the following is TRUE ?A.The women advised him not to go back to school.B.The man didn’t want to go back to school at first.C.The man used to like school but had some trouble in his subjects.听下面一段对话，答复第9至11三个小题。
浙江省杭州市萧山区党湾镇初级中学2013-2014学年七年级上学期英语期中试题(word版含答案)
浙江省杭州市萧山区党湾镇初级中学2013-2014学年七年级英语上学期期中试题一、听力测试（20分）第一节：听对话，选出正确的图片（共5小题，每小题1分）1. What’s this ?A. B. C.2. What’s Mary’s telephone number?A. B. C.3. Where is the watch?A. B. C.4. What does Tom have?A. B. C.5. Who is in the room ?A. B. C.Jim Linda Cindy第二节：听句子，每个句子读两遍，然后从每小题A、B、C中选出能对每个句子做出适当反应的答语。
（共5小题，每小题1分）6. A. Sorry. I’m OK. B. I’m fine, thank you. C. I’m five.7. A. She’s thirteen. B. She’s a teacher. C. Her name is Jane.8. A. K-E-Y. B. A key. C. No, it’s a key .9. A. It’s an eraser. B. Yes, it is. C. No, it’s aneraser.10. A. Yes, it’s my watch. B. No, it’s my watch. C. Yes, it’s his watch.第三节：听对话，选出能回答问题的正确答案，对话读两遍。
（共5小题，每小题1分）11. What’s this?A. It’s an orange.B. It’s a pen.C. It’s a pencil.12. What’s the boy’s family name?A. Tony Hall.B. Tony.C. Hall.13. How old is the boy?A. 4B. 5C. 914. Is this a ruler?A. No, it isn’t.B. Yes, I am.C. Yes, it is.15.Where’s the computer game ?A. On the table.B. in the book case.C. under the table.四、短文理解（共五小题；计5分）你将听到一篇短文，短文后有五个小题。
浙江省萧山中学2014届九年级英语上学期期初考试试题 人教新目标版
某某省萧山中学2014届九年级英语上学期期初考试试题人教新目标版（本试卷分试题卷和答题卷两部分。
满分120分，考试时间100分钟）Ι.听力部分（25分）一、听小对话，选出最佳选项，每个对话只听一遍。
（ 5分）听下面5段小对话，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，并标在试卷的相应位置。
听完每段对话后，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。
1. Where are the speakers?A. At home.B. At a shop.C. At school.2. What will the man probably do?A. Have dinner.B. Clean the table.C. Read the notebook.3. How long have the speakers been waiting?A.Thirty minutes.B. An hour.C. One and a half hours.4. What does the woman suggest the man do?A. Wait in the corner.B. Take a taxi.C. Telephone the hotel.5. What does the woman mean?A. She can help the man.B. The machine was just repaired.C. The clerk doesn’t like to be troubled.二、听对话，回答问题（ 12分）听下面两段长对话。
每段对话后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，听每段对话前，你有时间阅读各个小题，每小题5秒钟；听完后，各小题给出5秒钟的作答时间。
每段对话读两遍。
听下面一段对话，回答第6至8三个小题。
现在你有15秒钟的时间阅读这三个小题。
浙江省杭州市萧山区党湾镇初级中学2014届九年级上学期英语10月阶段检测试题
浙江省杭州市萧山区党湾镇初级中学2014届九年级英语10月阶段检测试题1．本试卷分试题卷和答题卷两部分。
满分 120 分，考试时间 100分钟。
2．答题前，必须在答题卷的密封区内填写校名、班级、姓名、试场号、座位号。
3．所有答案都必须做在答题卷标定的位置上，务必注意试题序号和答题序号相对应。
4．考试结束后，只需上交答题卷。
听力部分（25分）一、听短对话，回答问题（共5小题，计5分）听下面5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，并标在试题的相应位置。
听完每段对话后，你有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。
( )1. What does Tina feel difficult in learning Chinese?A. Listening.B. Reading.C. Grammar.( )2. What time is it now?A. 7:30.B. 7:45.C. 7:35. ( )3. Whose pen might it be?A. Fred’s.B. Carmen’s.C. Jack’s.( )4. What will the girl probably do this afternoon?A.Go shoppingB. Go to the moviesC. Go to the hospital ( )5. Will the man go on smoking?A. Yes, he will.B. No, he won’t.C. It’s not mentioned.二、听较长对话，回答问题（共6小题，计12分）听下面两段长对话，每段对话后有几个小题。
从题中所给的A、B、C三个选项中选出最佳选项，听下面一段对话，回答第6至第8三个小题。
现在你有15秒钟的时间阅读这三小题( )6. Where are the two speakers talking?A. In a train station.B. On the phone.C. At the airport. ( )7.How is the man going to Toronto?A. By air.B. By sea.C. By land.( )8. How much will the man pay?A. $ 400.B. $ 800.C. $ 1600.听下面一段对话，回答第9至第11三个小题。
萧山区党湾镇初级中学2012-2013学年九年级上学期期中考试英语试题
新目标九年级英语第一学期期中检测卷听力材料与答案听力材料与参考答案第一节．听小对话，请从A.B.C三个选项中选择符合对话内容的图片1.---What would you do if you had a headache, Jim?---If I had a headache, I would go to see a doctor.2. ---Tina, go and do your homework at once.---Mum, I think you should allow me to watch TV on Saturday evening.3. ---Tonny, you used to be a singer, didn’t you?----No, Linda. I used to play basketball.4. ---Linda, your English is so good. How do you study for it?---Oh, I study by asking the teacher for help.5.---,Lucy, how do you come to school if your bike is broken?---I often go to school by bus.第二节．听小对话，请根据提问从A.B.C三个选项中选择正确的一项。
6.W: I can’ understand spoken English, Mr Wu. What should I do?M: Don’t worry, Li Li. Why don’t you join an English club to practice your speaking?7. W: Do you enjoy maths?M; It's all right, but I prefer history and geography.W: Why is that?M: Because I'm not good at maths.8. W: What rules do you have at home?M: Well, I am not allowed to watch TV on school nights.9. M: If more people drove cars，there would be more pollution.W: I agree with you.10. M: It’s 7:00 o’clock. Has the plane taken off yet?W: No. There’s still fifteen minutes left. No hurry!第三节：听独白，完成下面信息记录表。
浙江省杭州地区2014-2015学年第一学期期中教学质量检测九年级英语试卷
杭州地区2014-2015学年第一学期期中教学质量检测九年级英语试卷考生须知：●本试卷满分120分，考试时间100分钟。
●答题前，应先在答题卷上填写班级、姓名、学号。
●必须在答题卷的对应答题位置答题，写在其他地方无效。
Ⅰ. 听力部分 (25分)一、听短对话，回答问题：（共5小题，计5分）听下面5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，并标在试题的相应位置。
听完每段对话后，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。
1. What was the weather like in the afternoon?A. It was sunny.B. It was rainy.C. It was windy.2. Who mended the bike?A. Jane.B. Tony.C. Tony’s father.3. What does the man mean?A. He and his friend liked the game very much.B. He thinks it is bad to leave at the half time.C. The game wasn’t very exciting.4. How fast is John’s watch?A. 20 minutes.B. Half an hour.C. 15 minutes.5. Where does the conversation most probably happen?A. In a shop.B. In a restaurant.C. At home.二、听长对话，回答问题：（共6小题，计12分）听下面两段长对话。
每段对话后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项。
听每段话前，你有时间阅读各个小题，每小题5秒钟；听完后，各小题给出5秒钟的作答时间，每段对话读两遍。
浙江省杭州市萧山区党湾镇初级中学九年级英语第三次模拟试题(无答案)
考生须知1．本科目试卷分试题卷和答题卷两部分。
试题卷8页，答题卷2页。
满分120分，考试时间100分钟。
2．答题前，必须在答题卷的密封区内填写姓名和准考证号。
3．所有答案都必须做在答题卷标定的位置上，务必注意试题序号和答题序号相对应。
4．考试结束后，只需上交答题卷。
5．做听力题时，先将答案划在试卷上。
录音内容结束后，你将有一分钟的时间将试卷上的答案转写到答题卷上。
考试结束后，上交答题卷。
试题卷听力部分(25分)一、听短对话，回答问题(共5小题, 计5分)听下面五段小对话。
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，并标在试题相应位置。
听每段对话后，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。
1. Where are the toys from?A. China.B. Japan.C. America.2. How was the weather yesterday?A. Snowy.B. Cloudy.C. Rainy.3. What was Simon doing in the library?A. Reading books.B. Looking for books.C. Looking for a video.4. What’s the relationship between the two speakers?A. Husband and wife.B. Teacher and student.C. Brother and sister.5. When does the man speaker get up?A. At 10:30.B. At 9:30.C. At 8:30.二、听长对话，回答问题（共6小题，计12分）听下面一段对话 , 回答第6和第8三个小题。
现在, 你有15秒钟的时间阅读这三个小题。
6. What’s the relationship between the two speakers?A. Two strangers.B. They’re friends.C. They’re brother and sister.7. Where’s the man from?A. England.B. The USA.C. South Africa.8. How did they get to know where to get off?A. They asked the driver.B. Some Hangzhounese told them.C. They found it from the guide book.听下面一段对话，回答第9至第11三个小题。
浙江省杭州市萧山区党湾镇初级中学2014届九年级上学期期中考试科学试题(1)
萧山区党湾镇初级中学2014届九年级上学期期中考试科学试题温馨提示：1.本试卷分试题卷和答题卷两部分。
满分为180分，考试时间为120分钟。
2.所有答案都必须写在答题卷给定的位置上，务必注意试题序号和答题序号相对应。
3.用到相对原子质量：Li-7，Nb-93，O-16，C-12，N-14，Ca-40，H-1，Fe-56，Na-23， Cl-35.54.本卷计算中g 取10N/kg 。
一、选择题：(每小题4分，共24分，每小题只有一个选项符合题意)1.下列有关能量转化的叙述，不正确的是A.射箭是将势能转化成动能B.核电站发电是将核能转化成电能C.蓄电池充电是将化学能转化成电能D.钻木取火是将机械能转化成内能(热能) 2.在下列四幅图中，属于克服重力做功的是A.搬而未起B.拉车水平运动C.运动员举起杠铃D.提桶水平前进 3.下列物质的名称、化学式和所属的类别不正确的是 A.甲烷、CH 4、有机物 B.熟石灰、CaC03、盐 C.汞、Hg 、金属单质 D.氧化钠、Na 2O 、金属氧化物4.铌酸锂(LiNbO 3)是目前用途最广泛的新型无机材料之一。
下列关于它的说法不正确的是 A.铌酸锂是一种盐 B.铌酸锂是由五个原子构成的 C.铌酸锂是由铌、锂、氧三种元素组成的 D.铌酸锂中铌、锂、氧元素的质量比为93∶7∶485.如图所示装置中，U 形管中的液面原先左右相平，向试管内的水中加入某种物质后，U 形管中的液面变 为左高右低，则加入的物质可能是（ ）A.硝酸铵B.生石灰C.氢氧化钠D.浓硫酸6.下列实验操作或装置不正确．．．的是（ ）二、选择题：(每小题3分，共48分，每小题只有一个选项符合题意)7.下列实验操作正确的是A.将氢氧化钠固体放在滤纸上称量B.用10 mL 量筒量取8.58 mL 蒸馏水C.氯化钠、硝酸银、碳酸钠三种无色溶液可以用稀盐酸来鉴别C .向试管中滴 加溶液D .实验室制取二氧化碳 B.检查装置的气密性A .实验室用KClO 3制取氧气镁片 锌片15%的 盐酸NaOHNH 4NO 3 水镁带水甲 乙 丙 丁D.制取氧气时，用二氧化锰与过氧化氢溶液在常温下反应，并用向下排空气法收集 8.下列方框内是对某一主题知识的描述．其内容全部正确的一组是 A.安全常识 B.环保知识 室内油锅着火——立即用水浇灭 点燃氢气前——要先检验氢气的纯度 限制塑料袋的使用－一减少白色污染 提倡购买小排量汽车——减少空气污染 C.实验现象 D.物质用途 在酒精灯上点燃棉花——有烧焦棉布气味 肥皂水中滴加无色酚酞—一颜色变为蓝色 熟石灰一一改良酸性土壤 磷酸钙［Ca 3(PO 4)2]－一用作复合肥料 9.下列根据图示的说法中，不正确的是A.甲图中，两边同时加入金属，左边试管中产生气泡更快B.乙图中，两边同时加入固体，左边试管内液体温度下降C.丙图中，通电一段时间后，左边试管中产生的气体体积大D.丁图中，取下镁带点燃，将全部生成物再放回天平左盘，天平向右倾斜10.向CuCl 2、ZnCl 2、HCl 的混合溶液中加入过量的Fe 粉，反应后的溶液中一定含有 A.ZnCl 2 、HCl B.FeCl 2、ZnCl 2 C.CuCl 2、HCl D.CuCl 2、FeCl 211.实验室制取气体选择收集方法时，下列性质：①颜色；②密度；③溶解性；④可燃性； ⑤能否与水反应，这些性质必须考虑的是A.①②③B.②③④C.②③⑤D.③④⑤ 12.下列一些做法正确的是A.用稀碱液洗涤机器零件上的油污B.在铁桶内配制氯化铜溶液C.同温度时可以通过比较不同溶液的溶质质量分数来比较它们的溶解度大小D.除去硫酸铁溶液中混有的硫酸，可以往其中加入铁粉13.下列各组物质在给定条件下能大量共存的是 A.在PH=1的溶液中：KCl 、 Na 2SO 4 HNO 3 B.在PH=2的溶液中：NaCl 、Na 2CO 3、Na 2SO 4 C.在PH=13的溶液中：BaCl 2、Na 2CO 3、NaOH D.在PH=14的溶液中：FeCl 3、Ba(NO 3)2、CaCl 214.下列物质循环过程中，不能经过一步反应实现的是A.HCl → CuCl 2B.Na 2S04→ NaClC.CO → C02D.Fe 203→ Fe(OH)315.X 、Y 、Z 三种金属，只有Z 能与稀硫酸反应，当把Y 放入X 的盐溶液时，Y 表面有X 析出，则X 、Y 、Z 三种金属的活动性顺序为A.X>Y>ZB.Z>X>YC.Y>Z>XD.Z>Y>X 16.下列除去杂质的方法中，正确的是选项 物质（括号内为杂质）去除杂质的方法A NaCl （Na 2CO 3） 加入适量的Ca(OH)2溶液、过滤B CaO （CaCO 3） 加水、过滤 CH 2SO 4（HNO 3）加Ba(NO 3)2溶液、过滤 DFe （Zn ）加过量FeSO 4溶液、过滤17.某气体可能含有水蒸气、CO 、H 2中的一种或几种。