本篇文章给同学们谈谈2017模拟调研卷初中，以及2020年模拟调研卷语文二对应的知识点，希望对各位同学有所帮助，不要忘记分享给你的朋友哦！
本文目录一览：
2017南宁中考物理模拟试卷及答案(2)
五、实验题(每 空2分，共计14分)
1.在做“测滑轮组机械效率”的实验中，小强和同学们组装了如图所示的甲、乙两个滑轮组(每只滑轮重都相同，不计摩擦和绳重)。
(1)对于甲图所示的滑轮组，如果没有刻度尺，只要测出钩码重G，然后竖直向上匀速拉动弹簧测力计使钩码升高，从弹簧测力计上读出拉力值F，即可算出该滑轮组的机械效率 =___________。(注意要用G和F表示)
(2)在物重相同的条件下，比较甲、乙两滑轮组的机械效率，可知 _______ (选填：、 或=)
2.图甲是研究“物体动能的大小与哪些因素有关”的实验装置，实验中让同一钢球从斜面上不同的高度由静止滚下，碰到同一木块上。图乙是研究“牛顿第一定律”的实验装置，实验中让同一小车从斜面上相同的高度由静止滑下，在粗糙程度不同的平面上运动。请回答以下问题：
(1)设计甲实验的目的是研究钢球动能的大小与_______的关系;设计乙实验的目的是研究运动的小车与所受___________的关系。
(2)甲实验是通过被钢球推动的__________的大小，说明钢球对木块做功的多少，从而判断钢球动能的大小;乙实验是通过小车在粗糙程度不同的平面上运动的远近，推理得出：在理想情况下，运动的物体如果___________，将保持匀速直线运动。[来源:Zxxk.Com]
(3)我们知道物体的质量和它的速度都能影响物体的动能，请在下面的横线上 写出怎 样研究物体的动能与质量的关系_______________________。
六、计算题。(共22分，l题为6分，2题为8分，3题为8分。)
1.太阳能热水器是利用太阳能来加热水的一种装置，小新同学家有一台太阳能热水器安装在离地面10m高的屋顶上。现需要将100kg初温为1 0℃的水，加热到60℃，则：
(1)把这些水从地面输送到屋顶的热水器中，需要对水做多少功?(2)这些水要从太阳那里吸收多少热量?[g取10N/kg，c水=4.2×103J/(kg‘℃)]
2.下表所示是某型号小轿车的有关数据：
小轿车的质量 600 kg
小轿车的额定功率 40 kW
每个轮胎与地面的接触面积 500 cm2
求：(1)该小轿车静止在水平地面上时，对地面的压力和压强各是多大?
(2)假若该小轿车在水平路面上以额定功率匀速直线行驶，速度为20 m/s。
请计算该小轿车10 min内牵引力所做的功和小轿车受到的阻力。(g取10N/kg)[来源:学科网]
3.一课外小组的同学，通过实验探究：浸没在液体中的物体受到的浮力大小是否跟浸没在液面下的深度有关。他们将一高6cm的金属圆柱体挂在弹簧测力计下端，缓慢浸入水中(水足够深)，在圆柱体接触容器底之前，记下圆柱体下表面所处深度和弹簧测力计相应的拉力，数据如下表：(g取10N/kg， =1.0×103kg/m3)
序号 1 2 3 4 5 6 7
深度h/cm 0 2 4 6 8 10 12
拉力F/N 8.1 7.1 6.1 5.1 5.1 5.1 5.1
(1)分析上表数据可知，金属圆柱体的重量是多少?
(2)在金属圆柱体完全浸入水中时，其受到的浮力为多大?
(3)金属圆柱体的体积是多少?
(4)金属圆柱体的密度是多少?
(5)分析表中数据变化规律，你能得出什么结论?
2017南宁中考物理模拟试题答案
一、单选题。(下列各小题均有四个选项，其中只有一个符合题意。每题2分，共计30分。)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
A C A B D D B A B A C D C C D
二、多选题。(下列各小题均有四个选项，其中至少有两个符合题意。每题选全对为3分，对不全为1分，错选或不选为0分，共计l 5分。)
16 17 18 19 20
AD ABD ABD ACD AC
三、填空题。(每空l分，共计l3分)
1.g N 2.1.30 4.6 3.平衡 物体间力的作用是相互的
4.9，15 5.小于 连通器 6.同学们的质量 楼的高度 爬楼所用的时间
四、作图题。(每题2分，共计6分)
1.
五、实验题(每空2分，共计14分)
1.
2.(1)速度 阻力 (2)木块运动距离 不受力 (3)让不同质量的钢球，从斜面的相同高度由静止滚下
六、计算题。(共22分，1题为6分，2题为8分，3题为8分。)
1.解：(1)水的重力为：
G=mg=100kg×10N/kg=1000N……………………………………………1分
需要对水做的功为：
W=Gh=1000N×10m=104J……………...........................................………2分
(2)水吸收的热量为：
Q吸=
=4.2×103J/(kg•℃)×100kg×(60℃-10℃)
=2.1×107J……………………………………… ……………………3分
2.解(1)对地面的压力：
F=G=mg=600kg×10N/kg=6000N……………………………………………1分
对地面的压强为：
P=F/S= ………………………2分
(2)牵引力做的功：
W=Pt=40×103W×10×60s=2.4×107J………………………………………2分
轿车行驶的路程：
S=Vt=20m/s×10×60s=1.2×104m…………………………………………1分
轿车受到的 牵引力为：
F=W/S=2.4×107J/1.2×104m=2×103N……………………………………1分
轿车受到的阻力为：f=F=2×103N……………………………………………1分
3.解：(1)金属圆柱体的重力：G=8.1N………………………………………………1分
(2)金属圆柱体浸没时，受到的浮力：F浮=G-F=8.1N-5.1N=3N…………1分
(3)∵金属圆柱体排开水的体积：
3N=1×103kg/m3×10N/kg×V排
V排=3×10 m3
∴金属圆柱体的体积：V金=V排=3×10 m3…………………………2分
(4)金属圆柱体的质量：m=G/g=8.1N÷10N/kg=0.81kg
金属圆柱体的密度： =m/V金=0.81kg+(3×10 m3)=2.7×103kg/m3…2分
(5)圆柱体在浸没前，浮力大小随着圆柱体浸入深度的增加而增加。 ……1分
圆柱体在浸没后，浮力大小与圆柱体浸没的深度无关。 ………………1分
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[img]2017年陕西中考英语模拟试卷及答案(2)
A. 5 B. 6 C. 7 D. 8
37. Which of the following things cannot be used as landmarks?
A. Tower blocks. B. Hills. C. Wells. D. Bikes.
38. What does the underlined word “emphasize” mean in the passage?
A. To give special importance to something.
B. To express thanks for somebody.
C. To understand or become aware of a fact.
D. To admire somebody.
39. Scientists believe that __________.
A. some babies are born with a sense of direction
B. people learn a sense of direction as they grow older
C. people never lose their sense of direction
D. everybody has a sense of direction from birth
40. What may be the best title of the passage?
A. A research on direction.
B. A sense of direction.
C. People’s ability of finding the way.
D. Scientists’ research on skills.
E
As you are soon on your way to Eastern Europe, here are a few tips on what you should pack. In general, pack lightly, with only the most basic clothes. People dress casually(随便地) in Eastern Europe, so you don’t need to bring along your smartest clothing.
Batteries: If your camera, flash, or other appliances run on batteries, bring enough supply along. Certain types of batteries don’t exist in Eastern Europe, and those that do often don’t last very long.
Cash: We have found it good to have supply of small-unit U.S. bills($1and $5) to use in hard–currency stores, to buy international train tickets, etc. The hard–currency stores never seem to have the right change.
Electric Current Adapter(转换器): If you bring any appliances, remember that the electricity in Eastern Europe uses 220 volts A.C., not the standard 110 volts of North America. A 110 volts appliance will soon burn out when attached to an unchanged 220-volt plug.
Language Tools: One of Europe’s biggest challenges is communicating with the local people since their languages are so different from our own. To help overcome difficulties, you might buy phrasebooks before you go — you won’t find them once you are in Eastern Europe.
Money Belt: A money belt is especially helpful when you have many documents to carry around ( as you always do in Eastern Europe). The best one we find is made by Eagle Greek Travel Gear, 143 Cedros Ave. (P. O. box 651), Solona Beach, CA 92075 (tel. 619/755 – 9399, or toll free 800/874 – 9925) outside California.
Traveler’s Checks: These are necessary. Bring your traveler’s checks in small to medium unit ($10, $20, or $50) to change a little bit at a time, so as not to be left with a lot of local money. To be on the safe side, be sure to copy down the check numbers in two places, just in case something happens to the checks.
41. How many tips are mentioned in the passage?
A. 6 B. 7 C. 8 D. 9
42. Which of the following things may be the biggest challenge in Eastern Europe?
A. Appliances. B. Money. C. Language. D. Clothes.
43. Which of the following statements is NOT a fact according to the passage?
A. No shop in Eastern Europe accepts hard currency.
B. Travelers may need to carry many documents in Eastern Europe.
C. The electricity in Eastern Europe uses 220 volts A.C .
D. Eastern European languages can be a problem to foreign travelers.
44. What’s the writer’s purpose of writing this passage?
A. To tell you it’s not easy to stay in Eastern Europe.
B. To give you some advice on what you should pack when you’re in Eastern Europe.
C. To tell you something about the life in Eastern Europe.
D. To show you the life in Eastern Europe is different from that in your country.
45. What do the underlined words “change” and “check” probably mean according to the given dictionary entries(词条)?
change
1. [V] to become different 改变;变化
2. [V] to exchange money into the money of another country 兑换
3. [U] the money that you get back when you have paid for sth giving more money than
the amount it costs 找给的零钱;找头
check
1. [V] to examine sth to see if it is correct, safe or acceptable 检查;审查
2. [C] an act of making sure that sth is safe, correct or in good condition by examining it 检查;查看
3. [C] a printed form that you can write on and sign as a way of paying for sth instead of using money 支票
A. 1; 3 B. 3; 3 C. 2; 3 D. 2; 2
第II 卷 非选择题 (共51分)
四、填空(共16小题;每小题1分，满分16分)
A) 根据括号中所给的汉语写出单词，使句子意思完整正确。
46. Though the Grade 9 students are busy with their study, they should still do sports _________ (两次) a day.
47. The hall is ____________ (空的). There is nobody left.
48. Zhang Guorong has been away for ten years. But he will be my _________(偶像) forever.
49. When the film ended, the audience couldn’t stop _______ (鼓掌) for a long time.
50. If you like to go to Hong Kong for shopping, you can go there in any ___(季节).
B) 根据句子意思，用括号中所给单词的适当形式填空。
51. My little cousin, Jimmy, was born on a cool (cloud) morning.
52. Come and enjoy ___________(you), dear! It’s my honor to invite all of you here.
53. When the students read the exciting advertisement, they shouted with________
(excite) at once.
54. Who will be the _________( four ) speaker? Get ready, please.
55. When I have problems with study, my English teacher always ______(encourage) me.
56. _________(luck), they didn’t win the basketball final,though they put all their effort into it.
C) 根据短文内容，选用方框中所给的单词或词组填空，使短文内容完整正确。
winners; made a difference; among; sends a different message; developing
In a society where people always pay their attention to bad news, the 2012 year’s "Touching China" award definitely 57 . The award honors ten of China’s inspirational role models in 2012.
58 the ten are public faces who did good deeds like Luo Yang, the late Commander of the program for 59 the J-15 fighter, who died from overwork. And Lin Junde, a scientist who devoted his whole life to China’s nuclear course. There are also common people who have 60 , like Zhang Lili. She was called "China’s Most Beautiful Teacher" after she saved two students, but lost both her legs in the effort.
The award 61 are carefully selected to represent a true moral epic of 2012 in China. The "Touching China" award has been held yearly since 2003.
五、阅读短文 (共20小题;每小题1分;满分20分)
A)根据短文内容，完成文后任务。注意：每个空格只填一个单词。
Jerome Kern is of ten called the father of American musical theater. Kern is remembered for the hundreds of songs he wrote for musi cal plays and movies. Music historians say that Kern gave artistic importance to American popular music for the first time. And, they say, he led the development of the first truly American theater music.
Jerome Kern was born into a middle-class family in New York City in 1885. Jerome's mother, Fanny, loved the piano. She began to teach Jerome how to play when he was very young.
Jerome was a quiet boy and not a top student. When he completed high school, his father said he would have to work in the family's store. But he later came to believe that Jerome might do better in music than in business after all. So he let the boy go to Europe to study music, as almost all serious young musicians did at the time.
Jerome Kern began his career as a songwriter in theaters in London and New York City. Success came quickly. By the early nineteen twenties, Kern was a successful young composer for Broadway musical comedies. In one three-year period alone, he wrote music for nineteen shows.
Kern wanted to try something completely new. He thought a musical play should be a real work of art, not just a collection of songs and dances. Kern wanted to do a truly American musical, with real American characters and real situations.
In 1927, he found the story he wanted. It was the book "Show Boat" by American writer Edna Ferber. "Show Boat" takes place in the 1880 on a passenger steam boat that travels along the Mississippi River.
Kern died in 1945 at the age of sixty. But "Show Boat" has been performed thousands of times all over the world.
B) 根据短文内容和首字母提示，填写所缺单词。
You may not realize it, but you are doing much more than just studying when you are at school. School is a 72 the place where you learn to get along well with people. But this is not always easy. What can you do if you just don’t like one of your classmates?
If you d 73 that you have problems getting along with your classmates or friends, the most important thing to learn is tolerance(宽容). Tolerance is the ability to realize and respect the differences in others. We cannot change the w 74 that other people do, so it is important to learn to live h 75 with them.
Tolerance will make everyone get on better with each other. K 76 others constantly(不断地) makes us understand others’ differences.
Something different does not exactly mean that it is bad. Tolerance t 77 us to keep an even temper(温和的脾气) and an open mind.
You need to remember an old saying, “Treat others h 78 you want to be treated.” You would like to be treated kindly by your classmates, so it is important to treat them kindly too. If you tolerate something, it does not mean that you have to like it. No one is asking you to change who you are or what you believe in. Tolerance just means that you s 79 respect the differences in others and not to try to make them change.
It is important to practice tolerance, because it will make e 80 life easier. Learn to accept people for t 81 different abilities and interests. The world is very different, and practicing tolerance in your own school and city can help make things better.
72.a 73.d 74.w 75.h 76.K
77.t 78.h 79.s 80.e 81.t
六、书面表达(满分15分)
自你进入初中学习以来已近三年。现在的你与三年前相比一定发生了不小的变化吧。你能试着从以下几个方面进行回顾，并谈一谈你对自己这些变化的感受。
A.请根据自己的实际情况，用单词或短语完成下列表格。
Ap pearance Hobbies Study Abilities
In the past
At present
Feelings
B.根据表格中所填内容，以 “The Changes to Me” 为题，写一篇小短文。
注意：
1、语言通顺，意思连贯，书写规范;
2、词数100左右，必须涵盖你在表格中所填写的所有信息,并作适当发挥。
3、文中不得出现真实的人名和校名。
The Changes to Me
__________________________________________________________________________________________________________________________________________________________________ _________________________________________________________________________
2017年陕西中考英语模拟试题答案
一、 单项选择
1-5 CBCDA 6-10 ABCDB 11-15 BDDAC
二、完形填空
16-20 D C B C B 21-25 A B C C C
三、阅读理解
26~30 B D D D A 31~35 A B B D B 36~40 C D A D B 41~45 B C A B B
四、填空
A. 46. twice 47. empty 48. hero 49. clapping 50. season
B. 51. cloudy 52. yourselves 53. excitement 54. fourth/4th
55. encourages 56. Unluckily
C. 57. sends a different message 58. Among 59. developing
60. made a difference 61. winners
五、阅读短文
A. 62. father 63. first 64. interest 65. became/was 66. wrote 67. different
68. works 69. made/changed 70. 68 71. developed
B. 72. also 73. discover 74. way(s) 75. happily 76. Knowing
77. teaches/tells 78. how 79. should 80. everyone’s/everybody’s/everyday 81. their
六、书面表达
评分标准建议：
1. 评分原则：
(1)本题总分15分，按5个档次给分。
(2)评分要求：先读文章，再定档次，最后评分。
(3)短文内容：过去和现在的变化每个要点各1分(共8分);感受2分;开头2分，结尾2分。
(4)书写、词数：书写(1分)。如书写较差，影响信息传递，将分数降低一个档次。词数少于80或多于120的，从总分中减去1分。
(5)评分时应注意内容表达、词汇和语法结构的使用是否准确、上下文是否连贯及语言表述是否得体。
2. 各档次的给分范围和要求：
第五档(13～15分)：能写明全部要点，语言基本无误或有少量拼写错误，行文流畅，表达清楚。
第四档(10～12分)：能写明大部份要点，语言有一些错误(句子结构或动词时态错误1～2处)，但行文基本流畅，表达基本清楚。
第三档(7～9分)：能写明一些要点，语言错误较多(句子结构或动词时态错误3～4处)但意思基本连贯，表达基本清楚。
第二档(4～6分)：能写明少数要点，语言错误多，意思不连贯，影响意思表达。
第一档(1～3分)：只能写出若干单词，无可读的句子。
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2017年辽宁中考英语模拟试卷及答案(2)
Open Monday—Saturday 9 am—5 pm Happy Days Club
For young people
From 12 to 18 years old
Every Friday
7﹕30 pm—10﹕30 pm
29 Milton Street
Games dancing music and a lot more
International Library
books CDs and videos ,over 100 foreign newspapers and magazines
Entrance(入口) free
Monday—Saturday 9﹕30 am— 6 pm
New England House ,Museum Street Painting Competition
For young people 8—16 years old
Paint a picture of a animal
Send it to
Young Artist Magazine, 12 High Street before 14 September and win a bicycle!
根据以上内容，选择正确答案。(5分)
( )71 What does Parker's Sweet Shop sell?
A books B Chocolate C Pictures D CDs
( )72. What should you paint if you want to take part in Painting Competition?
A A bicycle B A girl C An animal D A flower
( )73. How many days a week can you go to the library?
A Six days B Five days C Seven days D One day
( )74. What time does Happy Days Club open?
A 7﹕30 pm B 9﹕00 pm C 9﹕30 pm D 10﹕30 pm
( )75. Where is Parker's Sweet Shop?
A museum Street B 14 Barrett Road
C 29 Milton Street D 12 High Street
(B)
A farmer had a cow. He took very good care of this cow and one day when it was ill, he was very worried. He telephoned the vet.(兽医)
“What's the problem?” The vet asked him when he arrived.
“My cow's ill” the farmer said. “I don’t know what's the matter with her. She's lying down and won’t eat. She's making a strange noise.”
The vet looked over the cow. "She's certainly ill," he said, "and she needs to take some very strong medicine."
He took a bottle(瓶子) out of his box, put two pills(药丸) into his hand and said, "Give her these. The pills should make her better“How should I give them to her?” the farmer asked.
The vet gave him a tube (管子)and said, "Put this tube in her mouth, then put the pills in the tube and blow. That will make it."
The next day The farmer sat outside his house and looked more worried.
“How's your cow?” the vet asked.“No change,” the farmer said, “and I am feeling very strange myself.I did what you said,I put the tube(管子) in the cow's mouth and then put two pills down it.”“And?” the vet asked.“The cow blew first,and blew the pills to my mouth.” the farmer said.
根据短文内容，选择正确答案。(5分)
( )76. In the story, the vet must be _________.
A.the farmer's friend B.a milk factory
C.a hospital for cows D.a doctor for animals
( )77. The farmer asked the vet for help when his cow _______
A.couldn't lie down B.didn't eat the pills
C.couldn't make any noise D.was ill
( )78.What medicine did the vet give the farmer?.
A.Bottle of pills B.A long tube C.Two pills D.A small box
( )79. The vet taught the farmer how _________
A.to blow the tube B,to make the cow take the pills
C.to take the medicine D.to put the tube in his mouth
( )80. Which of the following is true?
A.The farmer ate the pills himself
B.The cow got better after taking the medicine.
C.The vet came to help the farmer change the cow the next day.
D.The farmer waited for the vet outside his house the next day.
(C)
Have you seen the videos on TV? Do you wear large T-shirts and baggy(宽松的) jeans? Or have you heard someone rap (说唱)? Hip-Hop is very hot now.
Hip-Hop music was started in the middle of the 1970s by African Americans in New York. break-dancing (霹雳舞)and graffiti(涂鸦)are the two main kinds of music in Western Hip-Hop culture. Most of the Hip-Hop songs are about love, jobs or even games.
Usually in rap, singers speak words very quickly to a certain beat. Most of the words are fun. Singers play off words to make fun of themselves or others. Hip-Hop music has few rules. Singers just do what they think and rap it out in a clever or creative way. The freedom makes a lot of teenagers fall in love with the music. Many of them like wearing large T-shirts and baggy jeans. Famous rap(说唱) and Hip-Hop stars include Eminem in the U. S. and Jay Chou from China.
Today Hip-Hop is more and more popular across most of the world.
根据短文判断下列句子的正确的(T)与错误( F)。(5分)
( )81. African Americans started Hip-Hop music in the middle of the 1970s .
( )82. There are three main kinds of music in Western Hip- Hop culture.
( )83. Hip-Hop music is very popular, but it has a lot of rules to follow.
( )84. From the passage(文章) we know Jay Chou is a famous rap and Hip-Hop star.
( )85. Many teenagers don't like wearing large T-shirts or baggy jeans.
(D)
( )86.The world use 1 million plastic(塑料) bags every minute.They can now be found in all parts of the world.
( )87.When I was young, I thought space was wonderful.I spent all day imagining that I had my own spaceship. That was my earliest dream.
( )88.In Brazil, people wear white clothes on New Year's Eve。because it brings good luck.At midnight people go to the sea and throw flowers into the sea and make wishes.
( )89.Over hundreds of years the Earth gets hotter and then it gets colder again. The world is getting warmer now.
( )90.Sometimes, good things happen because of mistakes.Once I got on the wrong train.That was a big mistake.But I saw a friend on that train.
根据下面每段话的陈述内容，选出各段恰当的主题，并将其字母序号填入题前括号内(5分)
A. Climate(气候) change . B. The plastic bag problem .
C.New Year in Brazil . D. Making mistakes is not always bad . E.My childhood dream
(E)
More and more young people from China begin to celebrate(庆祝)Father’s Day. They send fathers presents, or invite them for a nice dinner. But do you know how Father’s Day started?
While Mrs Dodd, from America, was listening to a talk about Mother’s Day in a church (教堂)in 1909, she had an ides of having Father’s Day to honor(纪念)her father, William Smart. Mr Smart used to be a soldier(军人). His wife died when she gave birth to her sixth child. Mr Smart had to raise his six children alone. They lived a hard life. After Mrs Dodd grew up, she wanted to thank her father for what he had done for them. She wrote a letter to a church and asked for the third Sunday in June to be Father’s Day. The church agreed with her.
The first Father’s Day was celebrated on June 19th, 1910 in Washington. Children made special desserts and did other things to make their fathers happy.
根据短文内容，回答下列问题。(10分)
91. What do the young people usually do to celebrate Father’s Day in China?
92. Was Mrs. Dodd’s life hard when she was young?
93. Why did Mrs. Dodd want to have Father’s Day?
94. Did Mrs. Dodd write a letter to a church or to the president?
95. When was the first Father’s Day celebrated in America?
五.书面表达(共20分)
XII.(A)每空一词(5分)学校图书馆已经被修建完工。有许多规则要求同学去遵守，不许大声讲话，不许拿走图书，必须保持图书馆干净等，请帮助完成下面的布告。
Boys and girls,our new library has been96____.Here are some97____we must follow.Speaking loudly is not98_____in the library,students have to keep the library 99_______, For the last rule,smoking is not allowed 100_______the library.
96 97 98 99 100
(B)发明改变了世界，请你以“inventions”为题，介绍两项发明的用途，并发挥想象，说说你自己想发明什么东西，以及它的用途。(15分)要求：不少于80词。
Inventions
Good morning! everyone! Today I'm going to talk about inventions.
____________________________________________________________________________________________________________________________________________________
that's all.Thank you for listening.
2017年辽宁中考英语模拟试题答案
1---5 AABCC 6------10 BACBB 11----15 ACCAB
16----20 TFTFT 21----CBBBC
笔试部分 1---5 subject ,thirty ,party ,ninth ,Tuesday
6---10 don’t have ,healthy ,oranges ,any ,twenty-first
11---15 ABADA 16---20 CADBA 21—25 BCCCC
26---30 FAEBC 31---35 BCBAC 36---40BBDCC 41---45ABDCD 46—50 ADBAC 51---55 FTTTF
56----60 DABAA
61 There are five..
62 Some trees
63 Mr White.
64 Soccer.
65 Ping-Pong.
66-----70 September trip art sale library
写作略
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2017初中中考化学模拟试题
大多数地区的初中化学学习都主要是为高中化学进行铺垫。初中中考化学的模拟试题有哪些呢?下面是我带来的2017初中中考化学的模拟试题。
初中中考化学模拟试题
一、选择题(本题共1 0个小题，每小题2分，共20分。每小题只有一个选项符合题意，将符合题意的选项字母填入括号内)
1.下列物质的性质中，属于化学性质的是 ( )
A.干冰易升华 B.浓盐酸易挥发
C.氢气可燃烧 D.氢氧化钠固体易潮解
2.我们每一个人都应传播“低碳”理念，倡导“低碳”生活。下列做法不属于
“低碳”生活的是 ( )
A.节日燃放烟花爆竹 B.多骑自行车，少乘汽车
C.用电子 贺卡 代替纸质生日贺卡 D.秸秆粉碎还田而不焚烧
3.空气是一种 宝贵的自然资源。下列有关说法中不正确的是( )
A.法国化学家拉瓦锡研究了空气的成分，并得出氧气约占空气总体积4/5的结论
B.空气中由氮气、氧气、稀有气体、二氧化碳等物质组成的混合物
C.氮气是制造硝酸和氮肥的重要原料
D.稀有气体都没有颜色、没有气味，在通电时能发出不同颜色的光
4.氧气的化学性质比较活泼，能与多种物质反应。下列对有关反应的描述正确的是 ( )
A.在点燃的条件下，细铁丝在氧气中剧烈燃烧，火星四射，生成黑色的三氧化二铁
B.在点燃的条件下，硫在氧气里燃烧，发出蓝紫色火焰，生成无色无味的气体
C.铁、硫、酒精在氧气中的燃烧都是化合反应
D.物质与氧发生的反应属于氧化反应，氧气具有氧化性
5.下列反应的化学方程式和反应类型都正确的是 ( )
A.用一氧化碳还原氧化铜：CO+ Cu O Cu +CO2 (置换反应)
B.将氯化钡溶液滴入硫酸铜溶液：CuSO4+BaCl2=Ba2SO4 + CuCl2 (复分解反应)
C.盐酸与氢氧化铜反应 Cu(OH)2 +2HCl =CuCl2+2H2O (复分解反应)
D.铁与盐酸反应 2Fe+6HCl=2FeCl3+3H2↑ (置换反应)
6.下列有关原子结构的说法中正确的是 ( )
A.氢、碳、氧的原子核都由质子和中子构成
B.“毒大米”中含有金属铬(Cr)。铬原子序数为24，则质子数和中子数都为24
C.氯原子的结构示意图为
在反应中若得到一个电子即变成氯离子(C1—)
D.质子和中子的相对质量都约等于1，每个质子、中子都带1个单位正电荷
7.下列有关水的说法中不正确的是 ( )
A.水(H2O)和过氧化氢(H2O2)分子中都含有氢气分子
B.电解水实验证明水是由氢、氧两种元素组成的
C.用肥皂水可以区分软水和硬水
D.常用吸附、沉淀、过滤和蒸馏等 方法 净化水.
8.下列有关事实不能用金属活动性顺序解释的是 ( )
A.不能用金属铜与稀硫酸反应制取氢气
B.银的导电性强于铜
C.镁和铝与稀盐酸反应的剧烈程度不同
D.铜能将银从硝酸银溶液中置换出来
9.右图为A、B、C三种固体物质(不含结晶水)的溶解度曲线。下列有关说法错误的是 ( )
A.t1℃三种物质中B物质的溶解度大
B.t2℃三种 物质的饱和溶液中，溶质的质量分数最大的是A
C.可用降低温度的方法使t2℃时C的饱和溶液变为不饱和溶液
D.t1℃时，将等质量的A、C不饱和溶液分别用添加溶质的
方法形成不饱和溶液，所加的溶质质量相等
10.下列有关计算结果错误的是 ( )
A.K2Cr2O7中Cr元素的化合价为+ 6价
B.NH4NO3中氮元素的质量分数为35%
C. C2H4与C4H8中碳元素和氢元素的质量比相同，均为6︰2
D.已知20℃时，NaCl的溶解度为36，据此计算出该温度下其饱和溶液的
质量分数为26.5%
二、填空题(本题共3个小题，共22分)
11.(6分)用化学用语填空：
(1)镁 ; (2) 2个氮气分子 ; (3)5个硫酸根离子 ;
(4)甲烷 ; (5)+6价的硫元素 ;
(6)由Fe 3+和OH— 构成的氢氧化铁 。
12.(8分) 现有下列十种物质：①NaHCO3; ②Na2CO3; ③Ca(OH)2; ④CaO;
⑤CuSO4; ⑥CuSO4•5H2O; ⑦甲醛; ⑧CO; ⑨CO2; ⑩SO2。
请用上述物质的序号填空。
(1) 俗名叫纯碱的是 ，叫熟石灰的是 ，叫胆矾的是 。
(2) 可用于治疗胃酸 过多的是 ，在空气中会导致酸雨形成的是 ，
能与血液中的血红蛋白结合导致生物体中毒的是 ，
其水溶液可用于浸泡动物标本的是 。
(3) 属于盐类的是 。
13.(4分) 根据下列实验操作图示回答问题
(1) 下列①、②、③、④图示操作中有错误的是 ，共有 处错误。
(2) 若用⑤收集下列气体，从a通入气体可以收集 (填字母代号，下同)，
从b通入气体可以收 。
A.NH3 B.CO2 C.CH4 D.SO2
14.(4分)实验室可用氯酸钾或过氧化氢制取氧气。
(1) 过氧化氢的分解的变化可用下式表示：
过氧化氢 水+氧气
上述变化所涉及的物质中，属于金属氧化物的是 ，
氧元素的化合价为—1价的是 。
(2)用氯酸钾或过氧化氢制取氧气的实验中，都需要加入少量二氧化锰，二氧化锰的作 用是 ;若未加入二氧化锰，则反应 (选填“不能发生”或“明显减慢”)
三、分析题(共10分)
15. 已知NaOH容易与空气中的CO2作用而变质。小军同学在实 验室发现一瓶敞口放置的NaOH固体后，设计方案，对这瓶NaOH固体变质情况进行了如下实验探究：
回答下列问题：
⑴上述实验操作的名称分别是：操作① ，操作④ 。
⑵根据上述实验，可以确定该固体 变质(选填“已”或“未”)
⑶步骤③中加过量氯化钙溶液的目是 。
写出步骤②和③中的化学方程式¬¬¬¬
⑷若测得E的PH=7，则A的成分 ，若测得E的PH7，则A的成分 。
四、探究题(本题共1个小题，共8分)
16.(8分) 已知盐酸是HCl气体溶于水所形成的溶液。在实验室制取二氧化碳并检验其性质的实验中，如果用浓盐酸代替稀盐酸，并将产生的气体通入澄清的石灰水，往往看不到溶液变浑浊的现象。现有一同学用下列装置进行实验，却看到了澄清石灰水变浑浊的现象。
回答下列问题：
(1) A 装置中发生反应的化学方程式是________ 。
(2)B装置的作用是 。实验后向B中滴入石蕊溶液可看到的现象是 ，写出B中所有溶质的化学式 ;
(3)如果去掉B装置，将A与C直接相连，则C装置中可能发生反应的化学方程式为
五、计算题(本题共1个小题，共10分)
17.(10分)实验室有一瓶硫酸溶液，老师请小红同学设计方案测定该废液中硫酸的质量分数。小红同学先取一洁净小烧杯，称其质量为18.2g，然后往其中倒入少量硫酸废液后称量，总质量为33.2g，之后，将一枚质量为10.8g的铁钉(已用砂纸打磨去年铁锈)放入该小烧杯中反应，待铁钉表面不再有气泡产生后，再次称量，总质量为43.9 g。
请回答下列问题：
(1)写出上述反应的化学方程式是________ 。
(2)反应中产生的气体的质量是 。
(3)计算该废液中硫酸的质量分数(写出计算过程，计算结果保留一位小数)。
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