人教九年级 单元1 巩固练习
人教版九年级英语第一单元第一课时Section A(1a~2d)练习及答案

Unit 1 How can we become good learners?第一课时Section A(1a~2d)01 基础过关Ⅰ.根据句意及首字母提示填写单词。
1.Can you make a s with these new words?2.His father had a long telephone c with our math teacher last Tuesday.3.Frank can't find his history textbook.He isw because he has a history class this afternoon. 4.The boy reads English a for half an hour every morning. 5.You must be p .It will take a long time to learn it. 参考答案:1.sentence ;2.conversation;3worried;4 aloud;5patientⅡ.用方框中所给单词的适当形式填空。
watch,pronunciation,speak,probable,read6.I am a slow .How can I read quickly?7.Mary's English is very good. You can learn from her. 8.My teacher tells me the word has two .9.Tom will come back a little late. Please don't wait for him.10.Do you want to improve your English by English movies?参考答案:6 reader;7 spoken;8 pronunciations;9 probably;10 watching Ⅲ.根据汉语意思完成句子,每空一词。
2019学年人教版九年级化学第一学期第一章课题1 物质的变化和性质 课后巩固练习题(答案版)

2019学年度人教版九年级化学第一学期第一章课题1 物质的变化和性质课后巩固练习题(答案版)一、选择题1、下列变化属于化学变化的是()A.石蜡熔化 B.潮湿的衣服被晒干了C.钢铁生锈 D.水变成水蒸气2、芜湖市繁昌窑被称为中国青白瓷的发源地。
在陶瓷器制造过程中,一定发生了化学变化的是()A.混合 B.成型C.干燥 D.烧结3、10月16日至25日,第七届全国城市运动会在江西省南昌市举行,在开幕式上的精彩表演中,发生化学变化的是()A.焰火表演 B.霓虹灯表演 C.音乐喷泉 D.气球升空4、下列物质的用途中,利用其物理性质的是A.氧气用于炼钢B.浓硫酸做干燥剂C.铁粉用作食品保鲜吸氧剂 D.氮气用作保护气5、我们生活在千姿百态的物质世界里,各种物质之间存在着多种相互作用,也不断发生着变化.下列生活中的常见变化中,只有物理变化的是()A.纸张燃烧 B.冰雪融化 C.食物腐烂 D.铁钉生锈6、下列洗涤方法主要利用了物质化学性质的是()A.无水酒精洗手机屏幕 B.汽油洗涤衣服上的油迹C.清水洗涤衣服上的食盐 D.食醋洗去水壶内的水垢7、属于化学变化的是()A.冰块熔化 B.蜡烛燃烧 C.黄金铸币 D.海水晒盐8、下列物质的用途,利用了物理性质的是( )A.氧气供给呼吸 B.盐酸用于除锈C.钢材作高压锅 D.氢气用作燃料9、下列著名诗词中不涉及化学变化的是( )A.粉身碎骨浑不怕,要留清白在人间B.春蚕到死丝方尽,蜡炬成灰泪始干C.爆竹声中一岁除,春风送暖入屠苏D.千里冰封,万里雪飘10、下列实验室中的交流,属于化学变化的是( )A.锥形瓶:“同学们不爱惜我,我被摔碎了”B.铁架台:“我好难受啊!我在潮湿的空气中生锈了”C.酒精灯:“帽子哪里去了?我的燃料越来越少了”D.浓硫酸:“我在空气中放置了一段时间质量怎么增加了”11、下列成语或典故中,涉及化学变化的是( )A.水滴石穿 B.春风得意C.蜡炬成灰 D.草木皆兵12、下列古代文明或工艺一定包含化学变化的是( )A.在甲骨上刻字 B.指南针指引航海C.用泥土烧制陶瓷 D.用石块修筑长城13、宣纸是中国文房四宝之一,其制作工艺被列入我国首批非物质文化遗产名录。
Unit 1 单元练习(含答案人教新目标英语九年级全册

2021-2022学年人教新目标英语九年级全册Unit 1 How can we become good learners?单元练习一、单项选择(下列题目的四个选项中只有一个是符合题意的。
)1.In a conversation between two persons, 65% of ________ is done through body language.A.information B.pronunciation C.introduction D.communication2.With the development of the service industry, the working ________ is increasing and more jobs should be offered. A.invention B.pronunciation C.introduction D.population3.—How did you ________ travel around China with so little money, Sam?—I did odd jobs on my trip.A.connect to B.lead to C.manage to D.used to4.More and more parents have ________ the importance of developing their children’s interests in art and music. A.received B.reported C.realized D.repeated5.—What’s that ________ English? —It’s a hamburger.A.on B.in C.about D.with6.—What’s this ________?—It’s a pen.A.in English B.for English C.English7.You have to be ________ and wait until I finish my work.A.patient B.strict C.honest D.active8.I was attracted by the lady’s warm smile. It was really like a hidden ________ .A.pleasure B.treasure C.attention D.invention9.—Can I help you, boy?—I’d like to read a novel. May I have a look at ________?A.Men’s Health B.Discovery: FRONTLINE C.HARRY PORTER D.World Soccer10.—________! There is a dog in the middle of the road.—Oh, yes. Don’t get close to it!A.Look up B.Look down C.Look out D.Look for11.________, Bill! It’s time to go to school.A.Wake up B.Look up C.Make up D.Put up12.—What are you ________, Lucy?—Oh, I can’t find my black pen anywhere.A.looking at B.looking for C.looking up D.looking down13.There is no need to ________ every new word in the dictionary when you are reading.A.look up B.look at C.look after D.look through14.Boys and girls, pay attention to ________ to what I will say!A.listening B.listen C.listened D.be listened15.________! It’s dangerous to skate over there.A.Look for B.Look at C.Look up D.Look out二、完型填空Karl Marx was born in Germany on May 5th, 1818. 16 he was a child, he was forced to leave his country again and again. He lived in Belgium, England and some other 17 .His mother tongue was German and at school he 18 French and English, but he felt his English was poor. So he 19 up his mind to improve his English. He began to work hard 20 it. He made so much progress 21 he could soon read English newspapers and write English articles.However, there were 22 things that he thought were too difficult for him—the grammar and some of the idioms (习语). He often encouraged himself by saying “ 23 I keep on trying, I’ll make even greater progress.” At the same time, his close friend, Engels, often wrote to 24 him for his hard work in learning English.In one of Marx’s books, he gave people who were learning a foreign language some 25 on how to learn it well. He said a foreign language was necessary for a person to have a 26 future. He said a person should translate every word he heard into the foreign language he was learning. If he could do this, it would be 27 for him to use the language freely.In April, 1841, he 28 his doctor’s degree. After that, he began to write articles for a newspaper. He wrote about the housing problems of poor people and their hard life. 29 he tried, he did his best.During the 1840s, Marx and Engels wrote a book together. These words of theirs became very 30 : “Working people of all countries, unit (联合)! ”16.A.When B.Before C.After D.While17.A.farms B.factories C.schools D.countries18.A.has learned B.was learning C.learns D.learned19.A.has made B.makes C.made D.was making20.A.on B.at C.in D.for21.A.that B.what C.when D.how22.A.one B.two C.three D.four23.A.But B.If C.And D.As24.A.praise B.ask C.help D.call25.A.examples B.meanings C.money D.advice26.A.good B.better C.well D.worse27.A.probably B.impossible C.possible D.perhaps28.A.gets B.receives C.has received D.received29.A.Whoever B.Whenever C.Whatever D.However30.A.humorous B.understanding C.similar D.famous三、阅读理解Xiao Ling is a middle school student.She likes English very much and she is good at it. Xiao Ling is a middle school student. She often tells her parents about her English study. Now she is talking with her father about her English study again. Xiao Ling says, “Look, Dad, this is our new English book. There are a lot of interesting stories in it.”“Mmm, not bad. Do you only speak English in class?” Dad asks.“ Oh, no! We speak English for most of the time in class! Our teacher speaks to us only in English. Sometimes it’s not easy for us to understand her, but she says listening and speaking can help us a lot,” Xiao Ling answers.“I think she’s right. Does she speak English very slowly?” asks Dad.“Not always. Sometimes we don’t understand her. Then she has to say it again,” answers Xiao Ling.“It’s interesting to study English, isn’t it?” Dad says.“Yes, it is. And I’m going to work harder at it in the new school year. I’m going to do my best,” says Xiao Ling.“That’s good. I’m sure you can do better,” Dad says.31.Xiao Ling does _________ in English.A.well B.good C.bad D.badly32._________ often talk(s) about her English study with her.A.Her mother B.Her father C.Her parents D.Her teachers33.Do the students only speak English in class ?A.Yes, they do B.No, they don’t.C.That’s OK.D.Of course.34.The teacher _________ speaks to them in English in class.A.often B.usually C.always D.sometimes35.What is Xiao Ling going to do?A.She is going home.B.She is going to school.C.She is going to drop English.D.She is going to do her best and work harder at English.四、根据要求改写句子36.Is she good at English? Do you know? (合为一句)Do you know _______ she ______ good at English?37.The food is delicious.(变感叹句)________ ________ the food is!38.Betty writes emails to her pen friends. She improves English in this way. (合并为一句)Betty improves English ________ ________ emails to her pen friends.39.How about going there by bus?(改为同义句)__________ __________going there by bus?40.We can improve our pronunciation by listening to tapes. (划线提问)________ _________ you improve your pronunciation ?五、补全对话7选5根据对话内容,从选项中选择恰当的句子将对话补充完整。
新人教版九年级英语Unit 1 综合练习题

新人教版九年级英语Unit 1 综合练习题一、阅读理解(20小题.每小题2分,共40分)阅读下面四篇语言材料,然后按文后要求做题。
A根据材料内容选择最佳答案。
( )1. Why does learning a new language increase our creativity?A. Because it lets us learn many new words and sentences.B. Because it lets us communicate with others more.C. Because it lets us think in a creativity way.D. Because it lets us create many new words.( )2. Which is the advantage of learning a second language?A. It makes people do business successfully.B. It makes people more confident when traveling abroad.C. It helps people become younger and smarter.D. It helps people go anywhere they want.( )3. Why are old people encouraged to learn a second language?A. Because it helps them take exercise.B. Because it helps them work harder.C.Because it ' s good for them to have a clearer mindD. Because it helps them lose weight.( )4. What is the proper title for #1, #2 and #3 separately?a. Improving Your Brain Healthb. Increasing Your Creativityc. Making Foreign Communication EasierA. a-b-cB. c-a-bC. b-c-aD. b-a-c( )15. What's the purpose of the text?A. To encourage people to learn a second language.B. To tell people some useful ways to learn a language.C. To explain the importance of language learning for the old.D. To explain why learning a language is good for people ' s health.B"Listen! " Mr Smith said seriously at the beginning of his first class. "I will put one lie into each of my classes. Your job is to try and catch me in the lie of the day."That was really a clever way to fix our attention on the difficult subject - geography. Then in the following weeks, we didn't let off every single word of what he said in class and challenged his lectures. When his class ended and nobody saw through the lie, Mr Smith would say, "Ah ha! Each of you has a lie in your notes. Discuss among yourselves what it might be, and I will tell you at the end of this term. Mr Smith's special style of teaching worked. All of us reviewed and discussed our notes actively.One Monday at the end of the term, Mr Smith listened carefully to what we questioned for almost ten minutes. Then he finally said, "Do you still remember the first lesson?" Confused, we said yes. "Well, that was a real big lie. In fact, all the lectures I' ve given before are completely true. But I am glad you worked so hard. Move on..."Hearing this, all eyes in the classroom went wide.While most of my knowledge of geography has been forgotten over time, his lessons have stayed with me. Mr. Smith helped us build a habit of evaluating new information and checking it against things we have already accepted as a fact.根据材料内容选择最佳答案。
人教版九年级英语Unit1单元练习含答案

Unit1 How can we become good learners?基础练习一、单项选择1. Y ou can improve your English reading more.A. inB. withC. byD. of2. --- I want to visit Beijing, the capital of China, but I don't know muchabout the city.--- Don't worry. Let's try to find some information about it the Internet on the computer.A. by searchingB. to searchC. for searchingD. at searching3. D on't be afraid of new words. You can in the dictionary.A. look at themB. look for themC. look them upD. look them over4. T he teacher told us to pay attention our pronunciation.A. withB. toC. atD. on5. T he scientists haven't there was life on Mars.A. foundB. found outC. looked forD. discovered6. D avid didn't give up he had failed in the experiment four times.A. ifB. whileC. thoughD. since7. T he book is interesting I have read it twice.A. such; thatB. enough; toC. so; thatD. /; /8. --- Emma failed her exams. I think she should work harder.--- I agree. she does, she'll get good grades.A. IfB. BecauseC. BeforeD. Though9. M ark isn't coming to the concert he has got too much work todo.A. soB. untilC. althoughD. because10. It is important people learn team spirit.A. of; ofB. of; toC. for; toD. to; to11. --- How do you learn English words?--- making flashcards.A. ToB. ByC. ForD. With12. --- How do you study English?--- I study English talking with foreign students.A. byB. inC. atD. on13. Tom looked up Lucy's telephone number in the telephone book.A. tried to findB. asked forC. sawD. read14. We should pay attention to our classroom clean and tidy.A. keepingB. keepC. keptD. help15. --- Did you know who tea?--- The emperor Shennong did.A. foundB. discoveredC. found outD. invent16. they are very tired, they feel happy because they've finallyfinished their project.A. SoB. AlthoughC. IfD. But17. The film Kung Fu Panda is interesting I would liketo see it again.A. such; thatB. too; toC. as; asD. so; that18. --- Mrs. Li, will you be angry your students don't obey therules in class?--- A little. But I will stop them in a friendly way.A. ifB. unlessC. though19. The old man asked the girl to take another seat he wanted tosit next to his wife.A. becauseB. so thatC. so20. It's too hard for him the exam. He hardly studies.A. passB. passingC. to passD. passed二、单词拼写(单句首字母填空)21. Our country's economy(经济) is i rapidly.22. K (知识) gives us power and happiness.23. I didn't hear you clearly(清楚地) just now(刚才), please r the sentence.24. The scientists haven't d any life on Mars yet.25. What about reading a to practice pronunciation?26. The word has two different p .27. The e on her face shows she is happy.28. We all know blue c the feeling of harmony.29. I like sports. I always take an a part in the school sports meeting.30. The car is travelling at a s of 80 kilometres per hour.31. The population of the world i very fast.32. I love books because they can give me a lot of k .33. The girl could r the poem after I had read it twice.34. Scientists have d a new virus. It is very important to medical research.35. I read my essay a in class and everyone can hear me clearly.三、单词拼写(根据中文提示拼写单词)36. It's said eating too much burnt food (增加) the risk of cancer.37. The more books you read, the more (知识) you will have38. I (重复) the sentences many times. I don't want to say it anymore.39. I haven't (发现) who broke the glass.40. Our English teacher always tells us to pay attention to our (发音).41. We have a new subject— (物理) this term.42. The teacher asked us to read (大声地).43. --- Mr. Li is a good teacher, isn't he?---Yes, he is very (耐心的) with his students.44. All people should take an (积极的) part in volunteering.45. She was born with the (才能) to dance.46. It seems that the number of child laborers in Asia is (增长) every year.47. A little (知识) is a dangerous thing.48. Some parrots are clever enough to (重复) some easy words.49. Who (发现) the American Continent?50. How many (发音) does the word have? 答案一、单项选择1. C2. A3. C4. B5. D6. C7. C8. A9. D 10. C11. B 12. A 13. A 14. A 15. B16. B 17. D 18. A 19. A 20. C二、单词拼写(单句首字母填空)21. increasing22. knowledge23. repeat24. discovered25. aloud26. pronunciations27. expression28. creates29. active30. speed31. increases32. knowledge33. repeat34. discovered35. aloud三、单词拼写(根据中文提示拼写单词)36. increases37. knowledge38. have repeated39. discovered40. pronunciation41. physics42. aloud43. patient44. active45. ability46. increasing47. knowledge48. repeat49. discovered50. pronunciations。
人教版九年级英语全册 Unit1-3 单元练习题(有答案)

九年级units1--3测试卷一、单项选择题(共30题,共30分)1.He suggested ________ home.A goingB wentC goes2.I always go to school ______.A in timeB on timeC in a time3.Teacher always warns the school kids _______ with strangers.A not to talkB not talkC no talking4.—Open the window please, Mike.—______? I didn’t hear what you said.A WhatB PardonC Really5.— _______ nice dress it is!—Thank you!A What aB WhatC How6.—I wonder ______ we should go, Tom?—How about the Water City Restaurant?A whatB whichC where7.I think this book is interesting. I feel ______.A excitedB excitingC excites8.They met many different people ______ their way ______ the bank?A in; ofB on; toC with; for9.Please ______ at six in the morning.A wake up himB wake him upC woke him10.Are you looking forward ______ at the concert?A to see himB to seeing himC see him11.He is ______. Tell him not______.A in a rush; rushB in rush; to rushC in a rush; to rush12.The Internet is very useful. We can get a lot of ________ from it.A thingB messageC informationsD information13.— I think this book is ______.—Yes, it’s just 5 yuan.A interestingB fascinatingC inexpensive14.Can you tell me how to ______ the post office?A get toB arrive atC get in15.I wonder _______ what he said is right.A ifB thatC whatD /16.—Can you tell me where we should go?—_________ the Science Museum?A Yes, I canB How isC How aboutD Shall we17.I’m not sure whether I can hold a party in the open air, because it ______ the weather.A stands forB depends onC lives onD agrees with18.What a nice day! We should go sightseeing ______ watching TV in the hotel.A because ofB instead ofC together withD out of19.Her son ______ coke, but now he ______ milk.A is used to drinking; used to drinkB used to drinking; drinksC used to drink; is used to drinking20.—How do people celebrate Halloween?—They ______ like a ghost.A put upB dress upC turn up21.—What do you _____ Spring festival?—It’s a funny day.A think ofB care ofC feel of22.The doctor warns my father not ________.A to drinkB drinksC drinking23.His cat has ________ for five weeks.A diedB been deadC dying24.Do you know the true _______ of Christmas?A meanB meansC spiritsD spirit25.I don’t like spiders. I think they are _______.A scaryB tiredC boredD friendly26.Our class meeting ended up ______.A singB singingC to singD sang27.The New Year is _________cleaning and washing away bad things.A a time toB a time aboutC a time for28.—Tim got up late today.—______, he missed the first bus.A As a result ofB As a resultC As a result that29.There are two people in the room. ______ is Tom, and ______ is Lucy.A it; the otherB one; the otherC one; the others30.Have you decided when ________ for London?A will you leaveB you will leaveC are you goingD you are going二、完形填空(共10题,共10分)The Dragon Boat Festival is celebrated 31 the fifth day of the fifth lunar month by 32 zongzi and holding dragon boat races.The festival began during the period of Warring States (战国时期), and has a 33 of more than 2,000 years. The date of the festival is said to be the date when Qu Yuan 34 . He was a wise and upright (正直的)man, and was loved by people. He wanted the emperor of Chu 35 against the State of Qin with the cooperation (联合) with the State of Qi, but was refused and sent to the border area. During his stay in other states, he wrote 36 poems(诗) expressing his strong feelings for Chu. On the day when Chu was defeated by Qin, Qu Yuan jumped into Miluo River expressing his strong love for his native land by taking his own life.After the 37 of Qu Yuan, people of Chu went to Miluo River to mourn (哀悼) over the great 38 they loved so much. Some threw eggs and rice wrapped in leaves into the river to feed the fish 39 keep them away from Qu Yuan.Now the Dragon Boat Festival has become a 40 festival for the Chinese people.31.A at B on C in D by32.A eating B to eat C ate D was eating33.A vacation B history C date D day34.A died B born C bore D dead35.A fighter B fighting C fight D to fight36.A much B a lot C many D lots37.A die B dying C dead D death38.A emperor B doctor C poet D teacher39.A in order to B so that C in order that D as a result40A modern B traditional C international D fashionable三、阅读理解(共30分)A (★★☆☆☆)Some Festivals Around the World()41. What do people do at the Holi Festival?A They drink beer.B They treat guests.C They watch the dog-sledding race.D They throw colored powder and water.()42. What can you see on Saint Patrick’s Day?A Parades.B Dogs.C Bonfires.D Tents()43. Where is the Oktoberfest celebrated?A In ChinaB in GermanyC In EnglandD In Ireland.()44. What can we know about the dog-sledding race according to the passage?A The race takes place on March 17th.B The race runs through six kilometers.C The race takes place in India every yearD Over 20 persons take part in the race every year.()45. Which of the following is NOT true according to the passage?A The Holi Festival is an Indian festival.B Saint Patrick’s Day is celebrated in March.C The Oktoberfest lasts only for two days.D It is best to visit Quebec in winter.B( ★★☆☆☆ )Can you swim? Do you like swimming? Well, how can you learn to swim? I think the best way is to go into the water and learn, I’m afraid you’ll never learn to swim just by reading books about swimming or looking at others swimming.It’s the same with English study. We must practice, practice and practice.Listening and speaking are very important for beginners. We can listen to English programs on the r adio. You may just understand a few words. It doesn’t matter. Just be relaxed, and try to catch every word.Somebody may be a good listener, but he is afraid to speak because he is afraid of making mistakes. You know we sometimes make mistakes when we peak Chinese. Don’t be afraid. We must be brave. If you really want to learn English well, you must try to speak with everyone as long as he knows English.When there’s nobody to talk with, you can talk to yourself in English. It’s interesting and also a good way to practice your spoken English. Remember, the more you speak, the fewer mistakes you’ll make.Reading and writing are more important for senior(年级较高的)school students. First we must choose the books we’re interested in. A lot of reading will improve yo ur language sense. This is very important.It’s easier said than done. Well, let’s do more practice from now on. I’m sure you’ll learn English well in this way.根据材料内容选择最佳答案。
人教版数学九年级上册《巩固练习》ppt课件
4
(1,4)(2,4)(3,4)(4,4)(5,4)(6,4)
5
(1,5)(2,5)(3,5)(4,5)(5,5)(6,5)
6
(1,6)(2,6)(3,6)(4,6)(5,6)(6,6)
所以小于5的概率p小为于5
1 6
3
M号 衬衫 0 1 4 5 7 9 10 11
数
一包位数零售7商从530包中1任0 意选10取了一5包,求4 下列3事 3 件的概率: (1)包中没有混入的M号衬衫;(2)包中混入的M号 衬衫数不超过7;
解(:3()1包)中50混包入中的没M有号混衬入衫M数号超衬过衫1的0. 为p7包没有,混入M号
概率为
35
(2)50包中混入的M号衬衫数不超过p7衬的衫数为不超3过57包 50
7
50
=7 10
(3)50包中混入的M号衬衫数超过1p0衬的衫为数超3过包10
3 50
6. 把三张现状、大小相同但画面不同的风景图片都平 均剪成三段,然后将上、中、下三段分别混合洗 匀.从三堆图片中随机地各抽出一张,求这三张图片 恰好组成一张完整风景图片的概率.
1. 在单词Probability(概率)中任意选择一 个字母,求下列事件的概率:
(1)字母为“b”; (2)字母为“i”
(3)字母为“元音”字母; (4)字母为
“辅音”字母.
解:单词 Probability共有11
个字母
(1)有2个字母b组成P(b:)
2 11
2
(2)有两个字母i组成p(i:) 11
3
(3)有三个“元音”字p(元音)
母组成:
11
(母4)组有成八:个“辅音”字p(辅音)
8 11
2019年人教版九年级unit1巩固练习题含答案 无听力
2019年人教版九年级unit1巩固练习题一、听对话选最佳选项(共7小题;共20分)听对话,根据对话的内容,从下面各题所给的选项中选择最佳选项。
录音听两遍。
1. What language does Tony want to take this year?A.Japanese.B.Russian.C.Chinese.2. What is Lucy going to do this year?A.Learn Chinese.B.Play on the basketball team.C.Go to China.听对话回答问题。
录音听两遍。
3. What's wrong with Wu Dong?A.He is ill.B.He can't speak English well.C.He can't write English well.4. What's Li Yang good at?A.Speaking English.B.Listening to English.C.Reading English.听对话,根据对话的内容,从下面各题所给的选项中选择最佳选项。
录音听两遍。
5. What language does Tony want to take this year?A.Japanese.B.Russian.C.Chinese.6. What is Lucy going to do this year?A.Learn Chinese.B.Play on the basketball team.C.Go to China.听录音,从下列所给选项中选出最佳选项。
7. What kind of skills does the boy want to improve?A.His reading skills.B.His speaking skills.C.His writing skills.8. What will the girl do to help the boy?A.She will lend him a dictionary.B.She will lend him a grammar book.C.She will teach him how to keep a diary.听对话,根据对话的内容,从下面各题所给的选项中选择最佳选项。
2021-2022学年最新人教版九年级化学上册第一单元 走进化学世界巩固练习试卷【精选】
最新人教版九年级化学上册第一单元走进化学世界巩固练习试卷【精选】(考试时间:90分钟,总分100分)班级:__________ 姓名:__________ 分数:__________一、单选题(每小题3分,共计24分)1、化学使世界变得绚丽多彩,下列变化属于化学变化的是A.烟花绽放B.民间剪纸C.雕刻蛋壳D.纸张粉碎2、日常生活中常涉及许多变化。
下列变化中涉及化学变化的是A.打造金饰B.风力发电C.葡萄制酒D.雕琢玉石3、下列属于化学性质的是A.颜色B.状态C.可燃性D.沸点4、规范的实验操作是获得实验成功的重要保证。
下列操作符合规范的是A.倾倒液体B.称量药品C.点燃酒精灯D.闻气味5、下图所示的基本实验操作中,正确的是A.点燃酒精灯B.滴加液体C.加热液体D.读取液体体积6、2021年6—8月,奉贤博物馆展出了一批三星堆出土的珍贵文物,有青铜器、玉石器、金器、象牙等。
古人制作这些物品的过程中涉及到化学变化的是A.冶炼金属B.雕刻玉石C.锤打黄金D.打磨象牙7、正确规范的操作是实验成功和人身安全的重要保证。
下列实验操作正确的是A.量取液体B.倾倒液体C.加热液体D.点燃酒精灯8、下列操作中不正确的是A.滴加液体B.检查装置气密性C.量取液体体积D.给物质加热二、填空题(每小题4分,共计40分)1、现有下列实验仪器:(1)写出仪器名称:a________;b________。
(2)吸取或滴加少量液体要用到________(填标号),用过后应________,再去吸取其他药品。
(3)加热时b中的液体的体积不能超过其容积的_________,g中的液体不得超过其容积的___________。
(4)给a中的液体加热,应在a底部垫石棉网,以防止________;倾倒细口瓶里的液体试剂时,标签要_________。
2、鸡蛋腐败变质时会产生一种无色、有臭鸡蛋气味的硫化氢气体(H2S)。
硫化氢气体是一种大气污染物,它在空气中点燃完全燃烧时,生成二氧化硫和水。
人教版九年级英语Unit-1练习题
九年级英语第一单元一、单项选择:( ) 1. He learns English by ____________ English songs. A. listen B. listen to C. listening D. listening to ( ) 2. If you practice ________ English every morning, you will improve it quickly.A. to readB. readingC. readD. be reading( ) 3. Do you have a partner to speak English ________? A. for B. to C. on D. with( ) 4. Tom decided __________ in China. A. travel B. traveling C. to travel D. traveled( ) 5. Do you enjoy __________ on the Internet? A. surfing B. surf C. to surf D. surfed ( ) 6. She said she had some trouble ___________ her homework.A. finishB. finishingC. to finishD. finished( ) 7. Do you find this book ____________?A. frustrateB. frustratingC. frustratedD. frustration( ) 8. Can you tell me the best way ________ the problem?A. solveB. solvedC. to solveD. solving( ) 9. Jenny does not know where __________ on National Day.A. to goB. goingC. goesD. will go( ) 10. At the age of 18 he began to work___ a teacher in a country school. A. as B. by C. in D. at ( ) 11. If you don’t know how to pr onounce new words, in a dictionary, please.A. look up itB. look it upC. look them up D look up them( ) 12. There is ______milk in the bottle. Let’s go to buy some.A. a littleB. littleC. a fewD. few( ) 13. I haven’t seen the movie and my brother hasn’t _______. A. too B. either C. also D. yet ( ) 14. My father gave up ________ at last. A. smoke B. smoking C. to smoke D. smokes( ) 15. I spent half an hour ___________ my homework.A. finish doingB. to finish doingC. finishing to doD. finishing doing二、完形填空。
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Unit 1 How do you study for a test 综合能力演练 撰稿:郭素清 审稿:白雪雁 【练习题】 I. 单项选择。 1. It is ______ to work out this problem. You needn’t ask the teacher for help. A. enough easy B. easily enough C. easy enough D. very easily 2. This question is ______ hard ____ understand. A. too; to B. to; to C. too; too D. so; that 3. I found your sister ______ under the tree just now. A. read B. reads C. to read D. reading 4. Do you know playing with fire ______ very dangerous? A. are B. is C. do D. be 5. My sister thinks that _____ English movies is the best way to learn English. A. watching B. watch C. watched D. be watching 6. I got an A this term _____ the help of our teachers. A. by B. with C. on D. under 7.-Would you show me ______ an e-mail please? -Sure! A. how to make B. how to send C. what to do D. why to ask 8. _____ is not polite to laugh at others when they are in trouble. A. This B. that C. It D. They 9. I study English _____ listening to the radio. A. on B. in C. over D. by 10. When the meeting begins, you should end up________. A. talking B. talks C. to talk D. talked 11. —______ can you practice speaking English? — By talking with foreigners. A. What B. When C. Who D. How 12. All of us have trouble _________ some complete sentences. A. making B. to make C. make D. makes 13. Jim often makes faces in class to make other students _________. A. laugh B. to laugh C. laughed D. laughing 14. Sam often practice_______ English with his friends in the morning. A. read B. reading C. to read D. reads 15. His class began ______ an interesting song. A. of B. in C. with D. on Ⅱ. 完形填空。【2011 兰州】
One day at the end of the class, a wise teacher told each of her students to 1 a plastic bag and a bag of potatoes to school.
The next day she told her students: “From today on,for every person you don’t like in your lives,you can choose a potato,write the person’s name and the date 2 it and then put it in the plastic bag.” Day after day,some of the students’ bags were very 3 . They were then told to carry this bag with them everywhere they went for a week. They would put it inside their quilts 4 __ , on the seats when sitting in a car or on a bus,and next to their desks at school. The days carrying the bag around with them 5 students get to know what a weight they were carrying in their minds. They had to pay attention to it all the time 6 they wouldn’t forget it. As time passed by,the potatoes went bad and 7 nasty(恶心). They all tired to get rid of them.
Too often we think of tolerance(宽容)as a gift to 8 people, and it clearly is for ourselves! If we choose to keep our sadness and hatred(仇恨)in our 9 ,we will have to carry them around all our lives.
Do you think you have got 10 from the wise teacher and what she asked her students to do? 1. A. take B. bring C. put D. show 2. A. in B. at C. on D. with 3. A. heavy B. strong C. light D. big 4. A. in the morning B. in the afternoon C. during the day D. at night 5. A. kept B. made C. asked D. allowed 6. A. as soon as B. since C. so that D. until 7. A. sounded B. tasted C. smelt D. felt 8. A. another B. other C. the other D. others 9. A. hands B. eyes C. stomachs D. hearts 10. A. anything B. nothing C. somebody D. Anybody Ⅲ. 阅读理解。 A When you are learning English, you find it not clever to translate an English sentence, word for word, into your own language. Take the sentence “How do you do?” for example. If you look up each word in the dictionary, one at a time, what is your translation? It must be a wrong sentence in your own language. Languages don’t just have different sounds, they are different in many ways. It’s important to master the rules for word order in the study of English, too. If the speakers put words in a wrong order, the listener can’t understand the speaker’s sentence easily. Sometimes, when the order of words in an English sentence is changed, the meaning of the sentence changes. But sometimes,the order is changed, the meaning of the sentence doesn’t change. Let's see the difference between the two pairs of sentences: “She only likes apples.” “Only she likes apples.” “I have seen the film already.” “I have already seen the film.” When you are learning English, you must do your best to get the spirit of the language and use it as the English speaker does. 1. From the passage we know that________when we are learning English. A. we shouldn’t put every word into our language B. we should look up every word it the dictionary