[VIP专享]第12单元测试题及答案
(人教版)初中英语九年级 Unit 12单元测试03-答案
Unit 12 Life is full of the unexpected. 单元测试答案解析一、（一）【答案】1.C 2.B 3.A 4.C 5.B（二）【答案】6.C 7.B 8.C 9.B 10.A（三）【答案】11.C 12.A 13.B 14.A 15.C听力录音原文：（一）听句子，选择你所听到的单词。
1. I left my keys in the backpack.2. Life is full of the unexpected.3. I realized that the story was a hoax.4. I bought a meat pie for dinner.5. My friend invited me to a costume party.（二）听对话及问题，选择正确的答案。
M: Lucy, you look unhappy! What’s the matter?W: I was late for the class today.M: Why were you late for class?W: My alarm clock didn’t go off. I kept sleeping and overslept.M: Did you eat breakfast?W: No. I didn’t even brush my teeth or wash my face. By the time got to the bus stop, the bus had already left.M: How did you go to school?W: Luckily, my friend’s mum gave me a lift in her car.M: Too good at least not too late.6. What’s wrong with Lucy?7. Why was she late for class?8. Did she brush her teeth?9. Did she go to school by bus?10. How did she go to school?（三）听短文，选择正确答案。
人教版英语九年级Unit12单元测试题(有答案word版)
Unit 12 单元测试题附参考答案Written test part（共95分）Ⅴ. 单项选择（每小题1分，共15分）从A、B、C、D四个选项中选择可以填入空白处的最佳答案。
( )21. Something special happened ______ Larry ______ the first day of school.A. from; inB. to; onC. from; onD. to; in( )22. —Are ______ sick taken good care of in this hospital?—Yes. They take good care of everybody here, especially ______ old.A. a; anB. a; theC. the; theD. the; an( )23. My most ______ moment was trying to introduce a person whose name I couldn’t remember. Every time this kind of thing happens, I feel ______.A. embarrassing; embarrassingB. embarrassing; embarrassedC. embarrassed; embarrassedD. embarrassed; embarrassing( )24. I didn’t know the truth of the matter ______ Mary told me.A. tillB. becauseC. ifD. after( )25. We were shocked at the ______ that Jack, an honest man, was a criminal.A. hoaxB. discoveryC. goalD. suggestion( )26. —Do you think her explanation for being absent is ______?—No. I think she’s making an excuse.A. boringB. excitingC. believableD. valuable( )27. I can’t find my watch anywhere — it has completely ______.A. rungB. flashedC. shutD. disappeared( )28. Liu Dingning is a wonderful student. She has ______ won first place in arts twice.A. alreadyB. yetC. evenD. either( )29. Becky ______ out of the door before I could stop her.A. will rushB. had rushedC. has rushedD. was rushing( )30. Scott’s aunt was about to turn off his mobile phone ______ it rang.A. unlessB. thoughC. whenD. since( )31. Jeff must have got up la te because he hasn’t ______ for breakfast.A. grown upB. stayed upC. waken upD. shown up( )32. —Tom, you didn’t go to the costume party yesterday?—______. I went to my piano lesson.A. Yes, I didB. N o, I didn’tC. Yes, I hadD. No, I hadn’t( )33. Usually Monday is ______ day of the week. Everyone has much to do.A. busiestB. busierC. the busierD. the busiest( )34. Be quiet, Sally, and don’t keep ______ such silly questions.A. askingB. to askC. praisingD. to praise( )35. —My mother drove me to school because of the rain.—______. I had to ride my bike and got wet.A. It’s a pityB. I’m sorry to hear thatC. You’re luckyD. Have a good timeⅥ. 完形填空（每小题1分，共10分）先通读下面的短文，掌握其大意，然后从A、B、C、D四个选项中选择可以填入空白处的最佳答案。
人教版九年级英语Unit12单元测试卷(附答案)
九年级Unit 12 Life is full of the unexpected单元测试卷（附答案）(时间：100分钟满分：120分得分：________)一、听力理解二、单项填空(本大题有20小题，每小题1分，共20分)在每小题的四个选项中，选出可以填入空白处的最佳答案。
()26.I think I have ________ my key in the car.A．forget B．leftC．forgotten D．leave()27.By the time he got up, he found his father ________ to work.A．went B．have goneC．gone D．had gone()28.—What happened ________ Cindy yesterday?—She was hit in a car accident.A．on B．to C．in D．for()29.When I got to the bus stop, the bus ________ already ________ for 5 minutes.A．has; left B．had; leftC．has; been away D．had; been away()30.________，he got an “A” in the final exam.A．Luck B．LuckyC．Luckily D．To lucky()31.I was nearly late for class yesterday morning, but I only ________ my class.A．made B．made toC．made it to D．made it()32.It is ________ good exhibition that I have seen it several times.A．so B．suchC．so a D．such a()33.My sister ________ a teacher two years ago.A．got married to B．got married ofC．married to D．married with()34.________ your sweater.It's cold outside.A．Put on B．DressC．Wear D．To put on()35.Please write down ________ you can in your exercisebooks.A．as much as words B．as much words asC．as many words as D．as many as words()36.When I got to the shop, the fresh vegetables had ________.A．be sold out B．sold outC．been sold out D．sell out()37.We felt ________ when we heard the ________ news.A．embarrassed; embarrassedB．embarrassing; embarrassedC．embarrassed; embarrassingD．embarrassing; embarrassing()38.He is a very unfriendly man, so few people ________ at his party last Sunday.A．showed up B．showed offC．showed in D．on show()39.Tom has lost lots of ________ in the past few months.A．weigh B．weighsC．weight D．weighed()40.My sister ________ the email invitation, but she realized she had forgotten to invite John.A．sent out B．sent upC．sent to D．send out()41.I like to play jokes ________ my classmates.A．on B．into C．in D．to()42.________ he knows it, he'll not let out the secret.A．As if B．Even thoughC．So that D．What if()43.Be sure to keep the classroom ________ after class.A．cleaned B．cleanC．to clean D．cleaning()44.There is a boy ________ soccer on the street.A．played B．to play()45.The ________ of Columbus was quite an event in the world.A．discover B．discoveryC．discovered D．discoveries三、完形填空(本大题有10小题，每小题1分，共10分)通读下面短文，掌握其大意，然后在各小题所给的四个选项中，选出一个最佳答案。
人教版英语九年级全一册UNIT12单元过关卷含答案
UNIT 12单元过关时间：100分钟 满分：120分第Ⅰ卷 听力部分(25分)Ⅰ.听句子，选择与所听内容相符的图片。
(5分) A B C D E1．______ 2.______ 3.______ 4.______ 5.______Ⅱ.听句子，选择最佳应答语。
(5分)6．A．I bought it last week.B．It didn't go off this morning.C．My sister borrowed it last week.7．A．Because he stayed up late last night.B．Because he got up early.C．Because he didn't want to miss the school bus.8．A．For 10 years.B．He is three years old.C．Tomorrw morning.9．A．Yes，I didn't buy one.B．Yes，I do.C．No，I left it at home.10． A．Because I wore a pair of new shoes.B．Because I was the only one who wore costumes.C．Because I knew everybody at the party.Ⅲ.听下面五段小对话，选择最佳答案。
(5分)11．The girl didn't get good grades in the math exam because she ________．A．didn't finish the exercisesB．didn't prepare for itC．fell asleep in the exam12．What day was yesterday?A．Ann's birthday.B．The boy's birthday.C．April Fool's Day.13．Why didn't Mary appear at the meeting this morning?A．Because she had a cold.B．Because she had gone to America.C．Because no one told her about the meeting.14．The movie started at ________．A．8：15B．8：30C．8：45 15．What was the matter with the man yesterday?A．He left his keys at home.B．He forgot the party.C．He was ill.Ⅳ.听下面两段长对话，选择最佳答案。
人教版九年级英语Unit12测试卷答案
Unit 12测试卷答案一、听力理解A．听句子根据所听句子的内容和所提的问题，选择符合题意的图画回答问题。
每小题听一遍。
听每小题之前，你有5秒钟的时间阅读题目，听完后，你有5秒钟的答题时间。
1．M: Mary，the cat seems hungry.Have you forgotten to feed her?2．W: Many people complain about the rising price of meat.They think it's very expensive. 3．M: Mr.Smith can't afford a house，so he has to work harder than before.4．W: By the time I got home，I realized I had left my keys in the shop.5．M: Take the elevator to the fifth floor，and then turn left.Doctor Li is waiting for you there. B．听对话回答每段对话后面的问题，在各题所给的三个选项中选出一个最佳答案。
每段对话听两遍。
听每小题之前，你有5秒钟的时间阅读题目，听完后，你有5秒钟的答题时间。
听第一段对话，回答第6小题。
现在，你有5秒钟的时间阅读这一个小题。
M: Mom，could I watch TV now？There will be a great soccer match tonight.W: You can after you have finished your homework.M: Well，it seems I will have to wait for another ten minutes.听第二段对话，回答第7小题。
现在，你有5秒钟的时间阅读这一个小题。
(人教版)初中英语九年级Unit12单元测试03含答案解析
加油！有志者事竟成答卷时应注意事项１、拿到试卷，要认真仔细的先填好自己的考生信息。
２、拿到试卷不要提笔就写，先大致的浏览一遍，有多少大题，每个大题里有几个小题，有什么题型，哪些容易，哪些难，做到心里有底；３、审题，每个题目都要多读几遍，不仅要读大题，还要读小题，不放过每一个字，遇到暂时弄不懂题意的题目，手指点读，多读几遍题目，就能理解题意了；容易混乱的地方也应该多读几遍，比如从小到大，从左到右这样的题；４、每个题目做完了以后，把自己的手从试卷上完全移开，好好的看看有没有被自己的手臂挡住而遗漏的题；试卷第１页和第２页上下衔接的地方一定要注意，仔细看看有没有遗漏的小题；５、中途遇到真的解决不了的难题，注意安排好时间，先把后面会做的做完，再来重新读题，结合平时课堂上所学的知识，解答难题；一定要镇定，不能因此慌了手脚，影响下面的答题；６、卷面要清洁，字迹要清工整，非常重要；７、做完的试卷要检查，这样可以发现刚才可能留下的错误或是可以检查是否有漏题，检查的时候，用手指点读题目，不要管自己的答案，重新分析题意，所有计算题重新计算，判断题重新判断，填空题重新填空，之后把检查的结果与先前做的结果进行对比分析。
亲爱的朋友，你们好!经过两个月的学习，你们一定有不小的收获吧，用你的自信和智慧，认真答题，相信你一定会闯关成功。
相信你是最棒的！1Unit 12 Life is full of the unexpected. 单元检测一、听力测试（15分）（一）听句子，选择你所听到的单词。
（5分）1. A. block B. blackboard C. backpack2. A. except B. unexpected C. expected3. A. hoax B. box C. case4. A. die B. lie C. pie5. A. cancel B. costume C. birthday（二）听对话及问题，选择正确的答案。
人教九年级英语unit 12单元测试卷(含答案)
Unit 12 单元测试卷时间:45分钟分值:100分I.单项选择(每小1分，10分)( )1.There’s only one day to go .You finish your schoolwork by tomorrow.A.canB. willC. mustD. may( )2. China became the second largest movie in the world, behind the US.A .marketB theater C. cinema D. reporter( )3. -You said you had something this morning.-Oh. I forgot my classmates name when I met her in the street.A.embarrassingB. excitingC.interestingD.important( )4. By the time we got home, my mother supper ready.A.getsB. gotC. has gotD. had got( )5. Don't stare people like that. It's impolite.A.toB. atC. withD. about( )6. All her hair off in the fire, but the doctors have promised that it will soon grow back.A.was burnedB.was burningC. burnedD. had burned( )7. Please hold on to your dream one day it comes true.A.ifB. tillC. unlessD. though( )8. I wonder on April 23, World Book Day. Did you find some interesting books to read?A. what did you doB. what you didC. what do you doD.what you do( )9. When Mary went to see that movie, she crying her eyes out(痛哭).A.cut upB. showed upC. ended upD. looked up( )10. -I'm sorry. That wasn't of much help.- .And it was very helpful.A.Thanks anywayB. It doesn't matterD. Sure it was C. Of course notII.完形填空(每小题2分，共30分)AThe Malaysian government announced that Malaysian flight MH370 lost the contact with the Air Traffic Control 11 the morning of March 8th, The flight 12 at 00: 41a.m. that morning and planned to arrive in Beijing at 6: 30 a.m. It carried 239 passengers,13 154 Chinese. The passengers come from14 countries and areas. Nobody knows what happened to the plane. Over twenty countries took part in 14 it. On March 21, Prime Minister of Malaysia said that MH370 crashed in southern Indian Ocean and none of the passengers survived. When we heard the bad news, we were very sad. So far the plane wreckage(飞机残骸) 15 yet. We hope they will find it soon.( )11.A.in B. at C. on D.for( )12. A. takes off B. landed C. was taken off D. took off( )13.A. including B. except C. besides D. inclusion( )14. A. searching out B. searching for C. looking for D. looking out ( )15.A. hasn’t been founded B. want foundC. hasn't; been foundD. has been foundBIt’s very common to meet different people in public places.When I was 12 years old. I got a small job in a 16 . On my first day at work,I didn't come home for lunch when I came home at night, mom asked,“How did you 17 your lunch, dear ”I answered, “I made some new friends in the supermarket, twin brothers, their mom and dad. They were my customers. They invited me 18 lunch.”Mom was happy that I had made new friends but she wanted to know what kinds of 19 they might be.Several days later, I asked my friends to come to the supermarket where I worked 20 let mom meet them. Mom was very 21 to find out that the twin brothers were joined at the chest(胸部).She felt very strange because I didn’t tell her about that before.When mom asked me about this, I said, "I know that too. But do you know that their mom has to make all clothes because it's 22 difficult to find anything to fit them? They’re also good 23 .That day,Joe, the one on the right, made me noodles for lunch.”When mom saw the twins, she must have thought how strange they 24 . But to me, what I cared about was that they had difficulty 25 clothes and they were good cooks. ( )16.A.supermarket B. post office C. factory D. bank( )17. A. find B.make C. manage D. eat ( )18.A.at B. for C. after D. before( )19. A. men B.women C.boys D. people( )20.A.and B. but C. or D. so( )21.A.surprised B. excited C.interested D.disappointed( )22.A.so B.very C. too D. really( )23. A.friends B. singers C.workers D. cook( )24. A. smelled B. looked C. felt D. sounded( )25. A. selling B.making C. wearing D. buyingIII.阅读理解(每小题2分，共20分)AOnce, three men got to the Dover Station at about nine o’clock that evening. One of them asked a porter(列车服务员) what time the next train for London was. The porter answered,“You have just missed one.They go hourly. The next train is at ten.”The three men decided to go off the station. So they went to a bar.A minute or two after ten o'clock they came running into the station. The porter told them the train had just left. So they went back to the bar. They missed the eleven o'clock train in the same way. The porter said, " Now the next train is the last one. If you miss that one, you won't get to London tonight.Twelve o'clock came.and the last train was starting out when all of the three ran to catch the train as fast as they could. Two of them got into a carriage, but the third of them didn’t run fast enough. The train went out and left him behind. He laughed until tears cameinto his eyes. Then he held the porter’s hand and said, “Well. I myself have to get to London, and they only came here to see me off.”( )28.At Dover Station, the train went to London .A. at about nine o clock every morningB. only once a dayC. every hourD.in a minute or two after ten o'clock( )27. The three men didn’t catch the nine o’clock train. So they decided to go off the station and to .A.get the ticketsB. have a drinkC. take a walk in the streetD. make a phone call( )28. The last train didn’t start out until it was .A.the next dayB. time for sleepC. a minute or two after 10 o'clockD.12 o'clock( )29. missed the last train for London.A. The third of the threeB. The friends of the third manC. None of the three menD. All of the three( )30. Which of the following is TRUE?A. The third man didn't run as fast as the other two.B. The third man changed his mind and didn't want to leave.C. The train didn’t start off on time.D. The third man laughed, for he was glad to see his friends off.BWhat do you often do when you wait for a bus or a train at the stationTom arrived at the bus station quite early for Paris bus. The bus for Paris would not leave until five to twelve. He saw a lot of people waiting in the station. Some were standing in line: others were walking around There was a group of schoolgirls. The teacher was trying to keep them in line, Tom looked around but there was no place for him to sit.He walked into the station Coffee. He looked up at that clock there. It was only twenty to twelve. He found a seat and sat down before a large mirror on the wall. Just then,. Mike, one of Toms workmates came in and sat with Tom " What time is your bus?"asked Mike. "There’s plenty of time yet. " answered Tom. "Well, I’ll get you more tea then. "said Mike.They talked while drinking. Then Tom looked at the clock again. "Oh! It's going backward!"he cried."A few minutes ago. it was twenty to twelve and now it's half past eleven.”You’re looking at the clock in the mirror. "said Mike. Tom was so sad. The next bus was not to leave for another hour. Since then Tom has never liked mirrors.( )31. Tom went into the station Coffee because .A. Mike asked him to have a cup of tea togetherB. he wanted to have a drink with his workmate thereC. he didn't like to stay with the schoolgirlsD.it was quite early and he couldn't find a seat in the station( )32. What time was it in fact when Tom looked at the clock in the mirror?A. Half past eleven.B. Twenty to twelve.C. Half past twelve.D. Half past one.( )33. From the story we know that when we look at a clock in a mirror, we will find .A. it's going backward B it’s going slowerC. the time is rightD. it's going faster( )31. Which of the following is true?A. Tom arrived in Paris on time that day.B. Tom looked at the clock in the mirror only once.C. After that Tom didn't like clocks any longer.D. The next bus would leave in half an hour.( )35. Which of the following is the best title of the story?A.The Clock in the MirrorB. Not a Careful ManC. Being Later for a BusD. The Mirror of the StationIV.短文填空(每小題2分，共20分)根据短文内容，用方框中所给单词的正确形式填空，使短文完整、正确。
六上语文12单元测试题及答案
六上语文12单元测试题及答案一、选择题（每题2分，共20分）1. 下列词语中，读音全部正确的一项是（）A. 霎时（shà shí）B. 踌躇（chóu chú）C. 箴言（zhēn yán） D. 锲而不舍（qiè ér bù shě）2. “不以物喜，不以己悲”出自哪位古代文学家的笔下？（）A. 李白B. 杜甫C. 苏轼D. 王安石3. 下列句子中，使用了拟人修辞手法的是（）A. 春风又绿江南岸B. 明月几时有C. 江水流春去欲尽D. 落花人独立4. “海内存知己，天涯若比邻”是哪位诗人的名句？（）A. 王之涣B. 高适C. 王勃D. 孟浩然5. “但愿人长久，千里共婵娟”中的“婵娟”指的是什么？（）A. 月亮B. 星星C. 云彩D. 太阳6. 下列句子中，属于排比句的是（）A. 春眠不觉晓，处处闻啼鸟B. 红豆生南国，春来发几枝C. 风急天高猿啸哀，渚清沙白鸟飞回D. 床前明月光，疑是地上霜7. “春蚕到死丝方尽，蜡炬成灰泪始干”是哪位诗人的名句？（）A. 李清照B. 李商隐C. 王之涣D. 杜甫8. “独在异乡为异客，每逢佳节倍思亲”中的“佳节”指的是什么？（）A. 春节B. 中秋节C. 端午节D. 清明节9. 下列句子中，使用了对偶修辞手法的是（）A. 两岸猿声啼不住，轻舟已过万重山B. 春风得意马蹄疾，一日看尽长安花 C. 举头望明月，低头思故乡 D. 红豆生南国，春来发几枝10. “山重水复疑无路，柳暗花明又一村”是哪位诗人的名句？（）A. 李白B. 杜甫C. 王之涣D. 陆游二、填空题（每空1分，共20分）1. “________，________”是《论语》中的名句，表达了孔子对学习的态度。
2. 《滕王阁序》是唐代文学家王勃的作品，其中“________，________”是其著名的对联。
3. “________，________”出自《诗经》，表达了对美好爱情的向往。
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可在叮咬处涂抹下列物质中的 （
）
A．牙膏或苏打溶液 B．食盐水
C．医用双氧水
D．白醋
7．人在剧烈运动后，血液中产生较多的乳酸（化学式为 C3H6O3）,使肌肉酸痛，放松一段时间后，由于 乳酸与吸入的氧气发生反应而生成二氧化碳和水，使肌肉的酸痛感消失。表示此反应的化学方程式书
写正确的是 A.C3H6O3+3O2 == 3CO2+3H2O C. C3H6O3+3O2 == 3CO2↑+3H2O
定，这些元素是
①Na ②Mg ③As ④Cd ⑤Ca ⑥Zn ⑦Hg ⑧Pb ⑨Fe ⑩K
A．⑥⑦⑧⑨ B．②④⑥⑧ C．③④⑦⑧ D．②④⑥⑦⑧
12．随着新材料技术的发展，新型工程塑料逐步取代钢、木、水泥三大传统建筑基本材料。工程塑料属
于 A．无机化合物 B．有机高分子化合物 C．单质 D．氧化物
13．猪吃了“瘦肉精”后，可加快生长速度、增加瘦肉率，但残留的“瘦肉精”对人体有害，已知“瘦
肉精”的化学式为 C12H19Cl3N2O，则关于“瘦肉精”的说法错误的是（ ）
A．该物质是由 5 种元素组成的纯净物
B．该物质可能是一种有机物
C．每个分子由 37 个原子构成
D．质量分数最大的是氯元素
14．新鲜的苹果汁放才空气中会由浅绿变成黄色，你猜其中的原因可能是
A. 含氟冰箱
B. 含铅汽油
C. 含磷洗衣粉 D. 含碘食盐
10．（09 乐山）为保障公民的食品安全，《中华人民共和国食品安全法》于 2009 年 6 月 1 日起正式实施。
化学与食品安全密切相关。下列作法中不符合食品卫生安全的是
①在作物栽培时过多使用农药；②用受到严重污染的水浇灌作物；③进行加工时，使有毒或带菌的物质
A. 可回收利用废电池外壳的金属材料
B. 可回收利用废电池中的石墨电极
C. 电池中渗漏的电解液会腐蚀其他物品 D. 电池中的重金属离子对土壤和水源造成严重污染
6．下表为家庭中一些常见物质的 pH。
物质
苏打溶液
牙膏
食盐水
白醋
医用双氧水
pH
10
9
7
3
4
蚂蚁等许多昆虫叮咬人时，向人体射入蚁酸（一种酸），使皮肤红肿、瘙痒，甚至疼痛。要消除这种症状，
粘附在食品上；④用混有“苏丹红Ⅳ”的饲料饲养蛋鸭蛋产出“红心蛋”；⑤用“孔雀石绿”为多宝
鱼消毒杀菌；⑥在制作水饺时加入少量的“甲胺磷”；⑦在奶粉中渗入大量的“三聚氰胺”。
A．①②③⑤ B．②③④ C．①③④⑤⑥ D．①②③④⑤⑥⑦ 11．人体内含有多种元素，其中许多元素都是人体所需的。但有些元素尚未证实其生理功能，在食品中 它们的含量稍高会引起毒性反应。我国食品卫生法对这些元素在食品中的含量的最高标准有极严格的规
A.苹果汁中含有 OH-－
B.苹果汁中的 Fe2+变成 Fe3+
C.苹果汁中含 Cu2+
D.苹果汁中含有 Na+
15． （09 潍坊）我们穿的衣服通常是由纤维织成的，常见的纤维有棉花、羊毛、涤纶等。小明灼烧棉花、
1) B2Ak+22+12=+15+c51mc+=5m=2c111++m+12+21+++2=12=2+1+2+1+2+2+22+32k+1+2
B. C3H6O3+O2 == CO2+H2O D. 2C3H6O3+6O2 == 6CO2+6H2O
8．2009 年中央电视台春节联欢晚会中，台湾魔术师刘谦以其匪夷所思的表演震撼了国人，他表演过程使
用的道具中，属于合成材料的是A.玻Leabharlann 杯B.金戒指C.硬币
D.橡皮筋
9．“绿色商品”是指对环境无污染的商品，下列属于“绿色商品”的是
1．下列各类食物中蛋白质含量最丰富的是
A
B
C
D
2．下列物质是食品中的营养素，其中虽不能为人体提供能量但对调节人体新陈代谢、预防疾病起重大作
用的是 (
)
A．维生素
B．蛋白质
C．糖类
D．油脂
3．下列物质可以用作食品抗氧化剂的是 ( )
A．炭粉 B．铁粉 C．氯化钙 D．生石灰
1) B2Ak+22+12=+15+c51mc+=5m=2c111++m+12+21+++2=12=2+1+2+1+2+2+22+32k+1+2
88.8918÷.12990.÷1=4214÷3922=.0034=1÷15251371=8.535.78208÷.0232173c0*0÷1=m920.30392.2c=1÷203m=2÷1202.52=3535=42314)c*5232m40341*.31252=3.*1.153.5*03134.2*920522..104455=+21*3*50202.2.0285.4850.13*50+5c8*125*12m0.2+050.+0*014.852*0051000+0+/038.T+0÷+=55*+1011+010+91÷0145405*00010200+5+0+080+40*04+***115.103910*-%*C%6(+÷*M==5M÷5)0*3*0(31÷3110**5*+*÷414.m2371e=%7)8n08%.=s8.5=77.93cc60.mc*m4*m13,101w9.9o.k24mc-.cem5nm2csp2665m*9..03-4.50c60*5.pc3m85,9cm0.5g.i50mr0l-.p.s85p/6c50bc.0om7m.yp.cs6pc5m+;c0m..m7.ckm; 1+1k+12+1+k2234=1c+m1++4+4+2
九年级下册化学单元测试题（四）
(第十二单 化学与生活)
题次
一
二
三
四
总分
得分
可通用到的相对原子质量：H:1 C:12 N:14 O:16 Cl:35.5 Na:23 S:32
一、选择题(每小题 3 分,共 48 分.将正确答案序号填入答案栏内)
题次 １ ２ ３ ４ ５ ６ ７ ８ ９ 10 11 12 13 14 15 16 答案
4．材料是时代进步的重要标志，有机合成材料的出现更是材料发展史上的一次重大突破。下面有关材料 说法正确的是
A．合金、合成纤维都是有机合成材料 B．水泥、玻璃钢、汽车轮胎都是常见的复合材料 C．合成材料的大量使用给人类带来了严重污染，所以要禁止生产和使用 D．开发使用可降解塑料能有效解决“白色污染”问题 5．随着全民的环境意识的不断提高，废电池必须尽快实施集中处理的问题愈来愈受到社会各界的严重关 注。其首要原因是