当前位置:文档之家› 华师一附中光谷分校2018-2019学年九年级9月起点考英语试卷(word版有答案)

华师一附中光谷分校2018-2019学年九年级9月起点考英语试卷(word版有答案)

华师一附中光谷分校2018-2019学年九年级9月起点考英语试卷(word版有答案)
华师一附中光谷分校2018-2019学年九年级9月起点考英语试卷(word版有答案)

2018-2019年华师一附中光谷分校九年级起点考试卷

二、选择填空

26. —Johnny, it ' s noisy outside. Go and see what ' s going on.

—_________ . I'm answering a call.

A. Just a minute

B. One more time

C. Let's go

D. That ' s fine

27. —It has been much easier for me to go to work __________ s hared bikes appeared.

—But they also caused plenty of problems.

A. since

B. before

C. unless

D. though

28. —It is reported that a kind of new smart phones can test the air quali质ty(量)around you.

-- ______ f ast the technology develops!

A. What

B. What a

C. How

D. How a

29. —The population of the poor is getting smaller and smaller.

—_______ the government, their living conditions have improved.

A. As for

B. Thanks to

C. as a result of

D. Thanks for

30. —How is the life in that area after the earthquake?

—Offers of help ____ in from all over the world.

A. poured

B. threw

C. entered

D. put

31. ___ S quare Dancing is good exercise for the old, sometimes it makes lot of noise.

A. If

B. Although

C. Until

D. Because

32. With the help of the Internet, information can ___________ every corner of the world quickly.

A. get

B. raise

C. reach D stick to

33. —Who do you think will be the winner of the 2s1t World Cup in Russia?

—I guess the gold metal will _________ Germany.

A. belong to

B. take up

C. reach

D. stick to

34. —How do you feel about your hometown?

—It's beautiful ______ in winter.

A nearly B. deeply C. deeply D. especially

35. —Lucy is walking the dog in the park.

—She ___ be Listen! She is singing loudly in her room.

A. can't

B. mustn't

C. needn't

D. won't

36. -Mom, can I leave the chores till tomorrow?

—I'm afraid not. You can't ______ today's work till tomorrow.

A. put off

B. turn down

C. give away

D. look up

37. The traffic is terribly busy in the morning. You'd better avoid ______ i n the center of the city.

A drive B. driving C. to drive D. driven

38. Many tall modern buildings have been ___________ in Wuhan these ten years.

A. put up

B. put on

C. put away

D. put off

39. —A nice shirt! A present?

—Yes, it is. My aunt ___________ it to me for my last birthday.

A. was sending

B. had sent

C. will send

D. sent

40. —Excuse me, I am doing a survey. May I know___ to pay?

--About five times a week.

A when you choose WeChat

B whether did you try WeChat

C how often you use WeChat

D why do you prefer WeChat

三、完形填空https://www.doczj.com/doc/9a15066381.html,

I'm an aerospac航e 空()engineer from India. Like everyone out there, my life also experienced ups and downs, and a lot of give- up __41__. From my relatives and close friends, I have been told that it __42__ for a non-IT student to pursue(追求)Master 'Dse gree in IT and graduate from a famous U.S.

university.

I never took courses related to computers or programming. I was never interested to be a programmer but things __43__. Computers gradually became my companions and I realized I was more dependent on

computers and I started __44__ the back-end proces(s 后端流程)happening inside the CPU and I was amazed by its thoughts. That ' s when I decided to pursue Master's Degree in IT.

At the beginning, it was very difficult. My English accent was __45__. And I was also lacking in money. Most importantly, the courses seemed nightmares when I first saw them. However, I never gave up. It was my father that pushed me out of my comfort zone and __46__ confidence in me to push the degree I wanted.

I took it as a __47__ and never thought about the fact that I didn't have money to eat or I was __48__ to this programming degree. I believed in hard work, which is my __49__. So the hard days __50__ and it got much __51__ every day to understand the subjects and concep(ts概念).

Hard work always __52__. I got some offers and I decided to choose this university which promised its students to help them gain the knowledge __53__. Right now I am graduating with a G(PA平均成绩)of 3.96/4 and an employment __54__ from a famous company asking me to start right after my __55__. 41.A. excuses 42.A. uneasy 43.A. happen 44.A talking 45.A. correct 46.A. gave 47.A. challenge 48.A. eager 49.A. origin 50.A. went away 51.A. harder 52.A pays for 53. A hardly 54.A.job 55.A. congratulation

B. reasons

B. difficult

B. worsened

B. seeing

B. thick

B. filled

B. joke

B. hard-working

B. strength

B. went on

B. worse

B. pays off

B. finally

B. decision

B. graduation

四.阅读理

C. situations

C. simple

C. improved

C. imaging

C. international

C. lent

C. secret

C. experienced

C. performance

C. went by

C. easier

C. comes back

C. practically

C. offer

C. education

D. conditions

D. common

D. changed

D. making

D. terrible

D. found

D. trick

D. new

D. progress

D. went through

D. stranger

D. comes true

D. quickly

D. arrangement

D. explanation

56. The material above is most probably about the

A. ad

B. recipe

C. blog

D. poster

57. We can know the picture is the 12th of ____ .

A.33 family dinners

B.35 views

C. recipes

D. food

58. Which of the following is true?

A. We can buy 33 family dunes just for $10 (or less)

B. We can get Citrus Mustard Roasted chicken for free.

C. We can feed a family of four under $10 if we cook the dinner by ourselves.

D. The heat of Citurs-Mustared Roasted chicken is obvious.

59. The dish doesn ' t have _______ .

A. peppers

B. oranges

C. mustard

D. lemons

60. What can we learn form the passage?

A. Debra Kei, Owasson Oklahoma is a cook.

B. Debra Kei, Owasson Oklahoma sold the recipe.

C. Citrus-Mustard Roasted chicken is not easy to make.

D. Debra Kei, Owasson Oklahoma Has tested the dish in her kitchen.

B

“ Save the whales! ” That 's what the picture on Jack Smith ' s bedroom wall said. Jake liked that said something important: that showed he cared. He just never expected to get a chance to save a real whale, one right in his own neighborhood.

It was a Saturday morning when the newspaper first reported the whale 'cso ming. A group of the animals were swimming close to the beach in Jake ' s hometown. All the local people rushed out to th

to see them. They were expecting a beautiful show, better than a movie, but nothing they anything about.

The one whale swam in the direction ,directly towards land. It came in with the waves, and when the waves receded, it stayed. Its huge body rested on the sand. Suddenly, Jake and his family and all the others were no longer sightseers. They had to become rescuers. A few people ran towards the animal. They pushed and tried to force whale back into the water, but it was no use.

An animal rescue service team soon arrived in a truck with heavy lifting machinery, to help move the animal. Jack and his family couldn ' t do much on the beach, so they went back to their house and mad sandwiches and hot tea for the rescuers. At least, Jack thought, they could help in some way.

Back at the beach, they offered the food to the rescuers and were happy to see it was needed. It was getting dark. Some people lined up their cars along the beach and shined the headlights on the sand. The rescuers would not give up. After trying many times, they were finally able to lift the whale into the water. Everyone cheered when it headed out to sea. It swam out about a mile and then disappeared for a moment under the sea. Then, in what looked like a jump of joy, it rose high above the water-a thank- you to those who had worked so hard to save his life.

61. What does the picture on Jack ' s wall tell us about him?

A. He lived near the ocean.

B. He cared about the environment.

C. He worked as an animal rescuer.

D. H thought whales were the most beautiful animals.

61. Why did the local people go down to the beach that morning?

A. To swim with the whales

B. To help rescue the whales

C. To see the whales swimming

D. To watch a movie about whale

62. The underlined word “ record ” in Paragraph 3 means _____ .

A. didn ' t move

B. went back out

C. washed over

D. got up

63. How did Jack and his family help save the whale?

A. By calling the rescue service

B. B. By asking their neighbour for help

C. By giving the rescuers food and drink

D. D. By controlling the people on the beach

64. In the writer ' s opinion, Jake was _______ .

A. responsible

B. brave

C. intelligent

D. thankful

C

It was a warm April day when a big fat envelope came in the mail from the only college I had ever imagined attending. My eyes were fixed on the word "congratulations". I don't remember ever smiling so wide.

Then I looked at my financial (财政的) package. The cost of Dream School's tuition学(费), room and board was around $ 40,000-an impossible number! How could I afford to attend? What good reasons did I have to go there when three other fine colleges were offering me free tuition? My other choices were good, even if they weren't as famous as my first choice.

In my mind, attending my dream university would be the only way to realize my dream of becoming a world-class writer. My parents understood how I felt. They told me that even though it would be a financial problem, I could go wherever I would be happiest. But as I was always careful with money, I wasn't sure what to do.

One of the schools that offered me a full ride had an informational dinner one night in the spring. Considering my parents' difficulties, I decided to drive the 45 minutes and attend. At first, all I had planned to do was smile politely, eat free food, listen quietly. But I surprised myself.

At dinner the president of the university talked about the wonderful activities at school including guest lectures and social gatherings. He also made it perfectly clear that free food would be offered at all future events. He continued with explanations of professors, class sizes, activities, and sporting events at school. As he spoke, I began to realize that this school, though not as good as my first choice, might be the best one for me. It seemed small yet with many great programs. It seemed challenging yet caring.

After that I walked out that door, a feeling of comfort washed over me. Looking at the campus that night, I realized that I would be spending the next four years right there.

In all honesty, my university is not as well-known as my "dream" university. However, it turned out to be the right choice of schools for me.

66. How did the author feel when he started to read the letter?

A. He was full of joy.

B. He was lost in his dream.

C. He was worried about the money.

D. He was uncertain which school to go to.

67. We learn from the passage that the parents were ___ .

A. honest

B. strict

C. supportive

D. cruel

68. The underlined phrase "offered me a full ride " can be replaced by " ___ ".

A. would pay for transport to the school

B. would show me around the campus

C. would offer free meals at all events

D. would charge me nothing for tuition

69. What does the author mainly want to say?

A. Your second-choice college may actually be your best fit.

B. You should consider comfort in your choice of schools.

C. You should try your best to attend your dream school.

D. Your choice of schools should be based on their fame.

70. Which is the best title of the reading?

A. Dream School

B. A Wise Choice

C. A Wise President

D. Free Tuition

五五五五五五五五五五五五5五五五五五五2五五五五10五五

71. The father traveled for many hours to return home to take to her child _______ .

72. I wonder why you don ' t wake up earlier in the morning. You ' re always in a ______ to get

time.

73. It ' s ________ spending the time to learn about the customs of a country before you go there.

74. I missed scoring a _____ . I made my team lose the game.

75. He remained _____ most of the time and seldom talked to other people.

Key: 71.in person 72. rush 73.worth 74.goal 75.silent

六、阅读理解填词(共10小题,每小题1分,满分10分)

A man walked into a restaurant. The restaurant advertised it had the l 76 menu in the world. The manager was very proud of being able to p 77 any dish, no matter how unusual it was.

At the b 78 of the menu, there wasa notice that said, “ If you do not see the dish you need on th

menu, please tell us and we will a 79 to the menu right away. ”

The man looked at the menu and decided to make sure if it was true. He would order something that was very unusual. When a waiter came up to take his order, he said, "You say you can s 80 any dish, even if it's not on your longest menu in the world."

" That is correct, sir. We are able to m 81 everyone's requirements. ”

“ Well, ” the man said, “ bring me a sandwich with two elephant ears. Indian not African.

The writer wrote down on his paper: Two Indian elephant ears on toast.

Very good, sir, "he said, "That shouldn t 82 'lont g. ”

The waiter walked away quickly.

The man was very surprised and rather d 83 .

Then he smiled as the waiter r 84 with a very unhappy look on his face.

"Ah" the man said. "You can't bring it to me, can you?"

The waiter made an apology 道(歉). "I'm very sorry sir, and this is the most e 85 ,"he said, "but I'm afraid we can't because we've run out of the bread."

76.l 77.p 78.b 79.a 80.s

81.m 82.t 83. d 84.r 85.e

76. longest 77. put 78. bottom 79. add 80. serve

81. meet 82. take 83. disappointed

83. disappointed 84. returned 85. embarrassing

七、书面表达(满分15

分)

各位同学,新的学期已经开始,在九年级你准备如何将英语学习进行到底呢?请根据以下要点提示,围绕“ How can we become good English learners写? 一篇”作文。

1. 英语学习至关重要,要根据自己的情况及时制定计划;

2. 课堂上先要认真听讲,再做好笔记,积极配合老师(举手提问,回答问题;

3. 课后充分利用空余时间做到:及时复习,完成作业,多听磁带,大声朗读课文,制作单词卡片,勤查字典; 4结合自己的情况适当补充(例如听听英文歌曲,写英文邮件等)。

注意:(1)词数80左右;

(2)请不要逐字翻译,可适当添加细节,使行文连贯意思完整、符合逻辑;

(3)参考词汇:note笔记(n) according to根据,按照tapes磁带(n)

初三化学试卷分析

初四化学试卷分析 一、试题特点 1.本次试卷的命题是以义务教育化学课程标准及人教版义务教育课程标准教科书《化学》的有关内容为依据,重点考查学生化学基础知识和基本技能、基本方法和情感态度价值观,以及对化学、技术和社会之间相互关系的理解,运用化学知识解决简单实际问题的能力等。 2.试题有利于引导教师改变教学方式,促进学生生动、活泼、主动地学习,坚持以学生的发展为本,注重激发学生学习化学的兴趣,提高学生的科学探究能力和实践能力,培养学生积极的情感态度与价值观。 3.命题采用主题设计,突出“化学-技术-社会”的教育思想。“生活-化学-社会”的基本思路贯穿整份试卷。这种以主题形式与生产和生活实际相联系的题目占总分值约75%。这些题目取材于生活实际,聚焦社会热点,立意起点高,知识落点低。情景设计新颖、真实,能够吸引学生主动参与并激发学生答题兴趣。既考查学生基础知识的理解运用能力,又渗透了思想教育,强调学习化学要理论联系实际,学以致用,避免死记硬背。 4.试卷在重视考查基础知识的同时,设计了科学探究综合题(第五大题),加强对学生科学素养(知识与技能、过程与方法、情感态度价值观)的考查,引导学生改变学习方式。学生在解答这类开放性问题时,思维应该是发散的,富有创造性和个性的,同时也会明白许

多科学道理,并受到潜移默化的教育。这类试题考查的不再是课程中单一的知识点,而是学生能否灵活运用所学的化学知识,分析解决实际问题的能力,同时也培养了学生的创造性思维能力。这些做法体现了初中化学课程新理念,对素质教育的推进具有导向作用。 5.体现学科渗透,融合科学精神和人文思想,也是本试题的一个特点。生活和生产中的问题大多数为学科间渗透的综合,打破学科界限,培养和提高学生解决实际问题的能力是社会、学科和学生自身发展的需要。这些综合性试题,注意学科间知识的相互渗透,体现了要培养学生综合运用各科知识分析解决实际问题能力的导向。 二、基本情况分析 及格人数优秀人数 一班32 8 二班30 11 三班31 15 四班28 11 五班27 13 六班32 16 三、错题分析 第6题:学生对分子、原子、元素的概念不清。 第10题:学生对反应时间和总质量关系的图象未弄清楚。 第12题:本题的条件多了一个学生就想不全了。 第14题: 少数学生将题意看错而误选。

上海华师大一附中

上海华师大一附中 华东师范大学第一附属中学是上海市市重点中学,其前身是光华大学附中和大厦大学附中,分别由张寿镛、廖世承和欧元怀创办于1 925年。1951年秋,因华东师范大学的组建,两校附中合并为华东师范大学附属中学。1958年又因华东师大增办第二附中,遂改称华东师大一附中。学校是国家教育部、科委命名的“九五”中小学科技教育实验校,是上海市和华东师范大学教育科研实验基地,是上海市文明单位。新校区处于虹口区瑞虹新城中心地带,环境优美,学习风气相当不错,同样,活动丰富,全面教育学生,培养各方面的能力。位于北外滩瑞虹新城附近的华东师范大学第一附属中学新校区已于2005年8月正式启用,一个全新的以华东师大一附中为龙头,精心打造国际化、现代化、信息化的虹口教育园区正在形成。新校设计理念前沿,建筑风格独特,现代技术含量高,成为上海市中心城区规模最大、设施最先进的学校之一。 学校拥有一支师德高尚、专业精湛、结构合理的教师队伍,其中有获国务院特殊津贴的教师1人,全国“五一”劳动奖章获得者2人,特级教师6人,国家级、市级骨干教师5人,高级教师48人(占全体教师47%),研究生12人,博士1人,硕士85人(含硕士课程班)。名特教师张思中、陆继椿、吴传发、刘定一等在全国和上海教育界有较高知名度。2000年在全国第二届教育科研优秀成果评比中,该校有两个课题获得二等奖(基础教育最高二等奖),占上海普教系统成果的三分之

一。近年来,学校的青年教师脱颖而出,2000年有2人获全国青年教师评比一、二等奖,4人获上海市青年教师大奖赛一等奖,11人获区青年教师大奖赛一等奖,卓国诚等8人被推荐为上海市级青年骨干教师.其中获全国教学评比一等奖3人,上海市教学评比一等奖10人。在全国第二届教育教学优秀成果评比中,学校荣获两项二等奖(上海基础教育最高等第为二等奖,全市共6项),在基础教育界引起瞩目。 学校办学成果斐然,近年来连续被评为上海市文明单位、市中学生日常行为规范示范学校、市普教系统德育先进集体、市科技教育特色示范学校、市头脑奥林匹克特色学校、市金爱心集体、市五四红旗团组织、市家庭教育指导实验性基地、市心理教育基地,并成为联合国教科文组织华东师范大学教师教育教席联系学校。学校每年都为北京大学、清华大学、复旦大学、上海交通大学等高校输送大批优秀学生。每年都有学生在全国、市、区各类竞赛中获奖。

华中师大一附中高考模拟试卷理综生物部分

2008年华中师大一附中高考模拟试卷 理科综合生物部分 本试卷分第I 卷(选择题)和第n 卷(非选择题)两部分,全卷共300分,考试时间150分钟。 以下数据可供解题时参考: 第I 卷(共21小题,每小题6分,共126分) 一、选择题(本题包括13小题,每小题只有一个 选项符合题意) A ?同化作用大于异化作用 B .细胞分裂和分化 C .植物体内多种激素相互作用 D .基因组在一定的时间、空间上程序性表达 A ?为细胞分裂提供能量的场所为线粒体、叶绿体及细胞质基质 B ?在细胞分裂末期高尔基体的活动非常活跃 C .严格的碱基互补配对原则决定了 DNA 分子具有特异性 D ?同源染色体的联会现象发生在减数第一次分裂的前期 光照不足时往往影响光合作用,下列叙述与其没有直接关系的是 检验反射弧是否完好,最简便的方法是 1. 植物生长发育过程在根本上是 的结果。 2. 对于洋葱根尖细胞的叙述正确的是 3. ①光影响叶绿体中色素的合成 ②光影响叶绿体中酶的合成 4. ③光影响光反应中ATP 及NADPH 的合成 A .①②③④ B .①③④ F 图表示三个神经元及联系,图中“ YI ④光影响暗反应中CO 2的吸收 C .①③ D .②④ 表示由树突到胞体再到轴突及其末梢。欲 A .刺激a ,观察e 是否发生反应 C .刺激①,观察④是否发生反应 B .刺激a ,观察④是否发生反应 D .刺激①,观察⑤是否发生反应

期血红蛋白分子的组成是不相同的。 例如人的胚胎血红蛋白由两个 ?肽链(用2表示) 5.下图表示将抗原或蒸馏水注射兔体内后抗体产生量的变化。 在第8天注射时,由于某种原 因导致三种注射剂标签混淆 (已知其中一种是抗原 X ,另一种是抗原Y ,第三种是蒸馏水) 下列有关叙述中,错误的是 4 8 时间/天 A .曲线A 与C 的抗体类型相同 B .注射剂若为抗原X ,则抗体变化曲线为 B C .注射剂若为抗原 Y ,则抗体变化曲线为 C D ?注射剂若为蒸馏水,则抗体变化曲线为 D 第n 卷(非选择题 共174分) 30. ( 20分)传统方法生产啤酒时,大麦芽是不可缺少的原料,利用大麦芽,实际上是利用 其中的二 淀粉酶,利用赤霉素处理大麦, 无须发芽就可以生产 二 淀粉酶。后来人们 发现种子萌发时,胚产生的赤霉素能诱导糊粉层中大量合成 :-淀粉酶,从而加速种子 利用胚乳中的淀粉。请设计实验验证:大麦种子的胚能产生赤霉素, 赤霉素能诱导淀粉 酶的合成。 实验材料:大麦种子若干粒。 实验用具及试剂:10%的淀粉液,适宜浓度的赤霉素溶液、碘液、蒸馏水、刀片、培养 瓶、吸管、试管、水浴恒温箱等。 (注::? -淀粉酶可以自行从细胞中释放到环境中) 实验步骤: (1)将大麦种子若干浸泡,备用。 分析预期的实验结果: 31. ( 22分)控制人的血红蛋白基因分别位于人的 11号、16号染色体上,在不同的发育时期 至少 有 起宀心 和.基因为之编码。人的血红蛋白由四条肽链组成,在人的不同发育时 || 12 1 卜 抗体严主5t(HI 対值一

(完整版)2018年九年级化学模拟考试试卷

九年级模拟考试试卷 化学 (满分75分;时间45分钟) (命题:刘素文;审核:魏建斌) 相对原子质量:H 1 C 12 O 16 Na 23 第Ⅰ卷 本卷共10小题,每小题3分,共30分。只有一个选项符合题目要求。 1.成语是中华民族语言的瑰宝。下列成语中,蕴含着化学变化的是 A.磨杵成针B.百炼成钢C.木已成舟D.刻舟求剑 2.化学与生活息息相关,下列说法正确的是 A.人体缺铁会引起佝偻病 B.食用甲醛浸泡的海鲜对人体无害 C.炒菜时油锅不慎着火,迅速盖上锅盖 D.在室内用燃着的火柴检查液化气钢瓶是否漏气 3.下列化学符号正确的是 A.三个氧原子:O3B.钙离子:Ca2- C.硅元素符号:SI D.三氧化硫分子:SO3 4.根据如图的信息判断,下列说法正确的是 A.硫属于金属元素 B.硫原子的核电荷数为16 C.硫原子的相对原子质量为32.07 g D.在化学反应中,硫原子容易失去电子 5.下列实验现象描述正确的是 A.木炭在空气中燃烧:黑色固体剧烈燃烧,发红光,放热,生成有刺激性气味的气体B.向盛有鸡蛋壳的烧杯内加入醋精:鸡蛋壳表面有二氧化碳气体产生 C.一氧化碳在空气中燃烧:无色气体燃烧,发出蓝色火焰,放热 D.向盛有红棕色二氧化氮气体的集气瓶中投入烘烤过的木炭:气体颜色无明显变化6.下列实验操作正确的是 A.氢气验纯B.往试管加锌粒C.滴加液体D.排空气法收集CO2 7.下列有关水的说法正确的是 A.水通电分解时产生的氢气和氧气质量比为2:1 B.水体污染的来源主要有工业污染、农业污染和生活污染 C.有水生成的反应一定是酸和碱的中和反应 D.过滤能使海水转化为淡水

湖北省武汉市华师一附中初中部2019-2020学年七年级下学期期中英语试题

湖北省武汉市华师一附中初中部2019-2020学年七 年级下学期期中英语试题 学校_________ 班级__________ 姓名__________ 学号__________ 一、单选题 1. —Can you play piano, Molly? —No, but I can play chess. A.the; a B./; the C.the; / D.a; the 2. —What about joining the singing club? —________I like singing. A.That’s all right. B.That’s right.C.My pleasure. D.Good idea! 3. — Hello, may I speak to Jenny please? —She is not at home now. . A.Hold on, please. B.Jenny speaking. C.This is my sister. D.Can I take a message for her? 4. —How’s it going with you? —________ A.Not well. B.Great! C.I don’t like it. D.I’m studying. 5. —Do you go to school car? —No, I often the subway. A.drive; take B.by; take C.in; on D.take; by 6. —is the weather today? —It’s cloudy. A.How; like B.How; on C.What; / D.What; like 7. —To my great joy, my family are always me whatever I decide to do. —How much they love you!

广东省华南师大附中2020┄2021届高三考前热身三模 英语试题Word版

2021届华南师大附中高三(考前热身)综合测试 英语 本试卷共12页,三大题,满分135分。考试用时120分钟。 I.语言知识及应用(共两节,满分45分) 第一节阅读下面短文,掌握其大意,然后从1~15各题所给的A、B、C和D项中,选出最佳选项,并在答题卡上将该项涂黑。 Sharks have lived in the oceans for over 450 million years, long before dinosaurs appeared. There are now about 360 1 of sharks, whose size, behavior, and other characteristics differ widely. Every year, we catch and kill over 100 million sharks, 2 for food and for their fins. Dried shark fins are used to make shark fin soup, which sells for as much as $50 a bowl in fine Hong Kong 3 . Other sharks are killed for sport and out of fear. Sharks are vulnerable(脆弱的) to overfishing because it 4 most species 10 to 15 years to begin reproducing and they produce only a few offspring. 5 by movies and popular novels, most people see sharks as people-eating monsters. This is far from the 6 . Every year, a few types of shark injure about 100 people worldwide and kill about 25. Most 7 are by great white sharks, which often feed on sea lions and other marine mammals. They sometimes mistake human swimmers for their normal prey, 8 if they are wearing black wet suits. If you are a typical ocean-goer, your 9 of being killed by an unprovoked (无缘无故的)attack by a shark are about 1 in 100 million. You are more 10 to be killed by a pig than a shark and thousands of times more likely to get killed when you drive a car.

华师大附中2018届高考三模语文试卷及答案解析

华师大附中2018年高中毕业班三模 语文试卷 本试卷满分为150分。考试用时150分钟。 第I卷(共36分) 一、现代文阅读(35分) (一)论述类文本阅读(9分,每小题3分) 阅读下面的文字,完成1~3题。 诗歌的世纪耗散 借助于网络,诗歌的发展好像是如虎添翼了,“诗人”何止是如雨后春笋般的涌现,甚至不止是冬笋爆发,一年四季都是遍地春笋了。我们处在一个卡拉OK式的自娱自乐的时代,卡拉OK时代满足了人人当歌星的欲望,也满足了诗歌爱好者人人当诗人的愿望。于是我们拥有了庞大的卡拉OK式的诗人群体,产生了汗牛充栋的卡拉OK歌曲式的诗作。出版社的改革开放,让每一位有资产的诗人都能够出诗集,顺利地成为有诗集的诗人。作协的改革开放,使有一定数量诗作的诗人,都成为绝对不假的体制意义的国家级、省市级、地市级、县级等各种级别的注册诗人。 然而,诗人们知道,真正读诗的人数锐减,社会关注诗的程度大大降低了,诗作的影响力越来越弱。不再有类似郭小川《一个和八个》那样的诗作改成电影大获成功,也不再有叶文福《将军你不能这样做》那样的引起争鸣之作,再没有朦胧诗那样的被聚焦关注的诗歌流派,再没有北岛、顾城、海子、余光中、席慕蓉,甚至汪国真那样凝聚更多眼球的诗人。人们广泛关注的,可能是裸体朗诵的“行为艺术”,而不是关注诗歌艺术本身…… 总之,进入21世纪,当下诗歌正步入“崩盘”式的全面耗散时代。文学边缘化,诗歌当然也边缘化。诗歌边缘化自然是文学边缘化的一部分,所以,大的背景原因是一致的。 文学的边缘化除了文学家怅惘,没有谁会关注,20世纪下半叶,文学曾经以政治宠臣的身份紧跟政治长达40年。正如宠臣永远奔走在帝王鞍前马后,总是引人注目,而得以风光无限那样;文学因为是政治的宠臣而得以成为社会的焦点,处社会生活舞台的中心位置。诗歌曾经是宠臣的一员,宠臣是帝王的代言人,所以,诗歌一度成为政治口号的形象化翻版。 其实,文学的边缘化、诗歌边缘化没有什么不好的。至少文学不再是政治的宠臣,它争取到了主体性的主权地位。要文学回到生活舞台的中心,除非文学回到政治宠臣的位置。我想,与其那样,还不如让文学成为精神家园的门卫,让诗歌成为诗歌爱好者的心灵故乡。然而,诗歌边缘化的程度显然要大大地高于小说。诗歌何以重度边缘化?何以发生崩盘式的世纪耗散?这自然有其文体的本质原因。诗歌无法给激烈竞争之中的社会群体,在疲倦之后提供故事消费。故事通过进入家庭的电视,使包括文盲在内的受众看得津津有味。诗歌不是用眼睛看就可以享受的,她是要在宁静的心灵状态下的“读”物。竞争如此激烈的社会,如此浮躁的社会,神经如此紧张的人们,有几人是心境宁静的? 诗歌不是用耳朵听就可以享受的。而流行音乐可以用耳朵来对付,而且在任何时间、任何地点,都可以大饱耳福。流行歌曲是超越时空的,超越民族、语言,哪怕一个字都听不懂的外国歌曲,人人照样可以享受。文盲可以欣赏流行歌曲,可是,诗歌不行。

2018年九年级化学期末试题人教版带答案

2017-2018学年考试九年级化学期末试题 可能用到的相对原子质量:H:1 C:12 O:16 S:32 Cl:35.5 Zn:65 一、让我想想,我能选对!(共20个小题,每小题2分,共40分。每小题只有一个正确 答案,请将正确答案填写在答题纸的表格内) 1.下列变化中发生了化学变化的是 A.石蜡熔化B.瓷碗破碎C.火柴燃烧D.胆矾研碎 2.下列事实描述中,属于化学性质的是 A.铜呈紫红色B.以粮食为原料能酿酒 C.水变成水蒸气D.二氧化碳密度比空气大 3.正确的实验操作对实验结果、人身安全都非常重要。下列实验操作正确的是 A B C D 4.下列方法中,能鉴别空气和氧气两瓶气体的是 A.闻气味B.将集气瓶倒扣在水中观察 C.观察颜色D.用带火星的木条伸入到集气瓶中 5.下列物质中,属于纯净物的是 A.矿泉水B.氧气C.空气D.碘酒 6.下列物质中属于氧化物的是 A.MnO2 B.H2 SO4 C.NaOH D.O2 7.2014年“六·五”世界环境日中国的主题为“向污染宣战”。下列做法不符合这一主题的是 A.用风能与太阳能发电替代燃煤发电 B.提倡步行、骑自行车等“低碳”出行方式 C.施用大量的化肥和农药以提高农作物产量 D.淘汰污染严重的黄标车和污染严重的老式锅炉 8.下列物质在充满氧气的集气瓶中燃烧时,能产生明亮的蓝紫色火焰的物质是 A. 硫粉 B. 铁丝 C. 木炭 D. 红磷 9.下列对于“干冰升华”的解释正确的是 A.分子不停地运动B.分子体积急剧增大 C.分子间间隔变大D.分子本身不发生变化

10.下列关于分子和原子的叙述正确的是 A.物质只能由分子、原子构成B.分子质量一定大于原子质量 C.原子是构成物质的最小微粒D.发生化学变化时分子本身发生变化11.2014年5月7日在南京丢失的放射源铱﹣192,于5月10日安全回收.铱﹣192常用于肿瘤治疗.右图是铱﹣192在元素周期表中的信息,有关铱的 说法不正确 ...的是 A.铱的元素符号是Ir B.铱元素是非金属元素 C.铱原子的原子序数为77 D.铱元素的相对原子量为192.2 12.与元素的化学性质关系最密切的是 A.元素的核电荷数B.元素的相对原子质量 C.原子的核外电子数D.原子的最外层电子数 13.炒菜时油锅中的油不慎着火,可用锅盖把火盖灭,原理是 A.清除了可燃物B.让油与空气隔绝 C.降低油的着火点D.降低温度至油的着火点以下 14.下列化学方程式书写正确的是 A.2Fe+3H2SO4=Fe2(SO4)3+3H2↑ B.Cu+AgNO3═Cu(NO3)2+Ag C.CO+CuO△Cu+CO2D.CaCO3+2HCl=CaCl2+H2O+CO2 15.下列关于金属材料的说法中,不正确的是 A.钢铁是使用量最大的金属材料 B.锈蚀后的铁制品没有回收价值 C.铜有良好的导电性,因而大量用于制作电线 D.铝化学性质活泼,但表面易生成致密的氧化铝薄膜,因而具有良好的抗腐蚀性 16.下列物质不属于 ...合金的是 A.青铜B.锌C.钢D.生铁 17.把X、Y、Z三种金属片分别加入稀硫酸中,X、Y表面有气泡产生,Z无变化;把X 加入Y的硫酸盐溶液中,X表面析出Y。则三种金属活动顺序为 A.X >Y> Z B.Y> X >Z C.Z>Y>X D.X>Z>Y 18.自来水公司常用的一种灭菌消毒剂可表示为RO2,实验测得该化合物中R与O的质量比为71∶64,则RO2的化学式为 A.CO2B.SO2C.ClO2D.NO2 19.据探测卫星发回的数据分析,火星大气中95%是二氧化碳,其余为少量的氮气、氢

湖北省武汉市华师一附中初中部2019-2020学年度第二学期期中测试七年级英语试卷 Word无答案

华师一附中初中部2019-2020学年度第二学期期中测试 七年级英语试卷 (满分:120 分考试时间:120 分钟) 七年级英语组命制 2020.5.16 第I 卷(选择题,共85 分) 第一部分听力部分 一、听力测试(共三节,满分25 分) 第一节(共5 小题;每小题1 分,满分5 分) 听下面5 个问题,每个问题后有三个答语,从题中所给的A、B、C三个选项中选出最佳选项。听完每个问题后,你都有5 秒钟的时间来做答和阅读下一小题。每个问题仅读一遍。 1. A. Yes, I can. B. No, I can’t. C. I can dance. 2. A. It’s Monday. B. It’s windy. C. It’s June 3rd. 3. A. I clean the house. B. I’m watching TV. C. I like music. 4. A. In two days. B. For 2 hours. C. At 7 a.m.. 5. A. 30 minutes. B. 30 minute s’ ride. C. By bike. 第二节(共7 小题;每小题1 分,满分7 分) 听下面7 段小对话,每段小对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项。听完每段小对话后,你都有10 秒钟的时间来做答和阅读下一小题。每段对话仅读一遍。 6. Why doesn’t Jenny like koalas? A. They’r e cute. B. They’r e scary. C. They’r e lazy. 7. How does Kate’s father go to work? A. By subway. B. By bus. C. By bike. 8. What are the two speakers talking about? A. School rules. B. School lessons. C. School trips. 9. When can Mr. Black come back? A. At 7:45. B. At 8:15. C. At 8:45. 10. Where are the two speakers? A. In a restaurant. B. In a post office. C. In a library. 11. How long does the man swim at weekends? A. One and a half hours. B. One hour. C. Three hours. 12. How’s the weather tomorrow? A. Rainy. B. Cloudy. C. Sunny. 第三节(共13 小题;每小题1 分,满分13 分) 听下面4 段大对话或独白。每段大对话或独白后有几个小题,从题中所给的A、B、C三个选项中选出最佳选项。听每段大对话前,你将有时间阅读各个小题,每小题5 秒钟;听完后,各小题将给出5 秒钟的作答时间。每段大对话读两遍。 听第13 段材料,回答第13 至15 小题。 13. Where are they talking? A. In Beijing. B. In Wuhan. C. On the phone. 14. What is Bob doing in Beijing? A. Having a birthday party. B. visiting his uncle. C. We don’t know. 15. How’s the weather in Wuhan? A. It's dry. B. It's cloudy. C. It's not hot. 听第14 段材料,回答第16 至18 小题。 16. What can Victor do? A. Play cards. B. Play the violin. C. Play chess. 17. What time is the girl’s birthday party? A. At 6 p.m. on Saturday. B. At 6 a.m. on Saturday. C. At 6 p.m. on Sunday. 18. How can Victor get to the girl’s house?

广东华师附中实验学校中考数学模拟题(二)及答案

九年级数学练习题(综合练习二) 班级座号姓名成绩 一、填空题: 1、 -4的绝对值是____________; 2、2010年我国粮食产量将达到540 000 000 000千克,用科学记数法可表示为 ___________千克。 3、已知反比例函数 x k y=的图像过点(6,- 3 1 ),则k=__________; 4、函数y=x3 1-中,自变量x的取值范围是______________; 5、已知数据-3,-2,-1,1,2,a的中位数是-1,则a=__________; 6、不等式组 ? ? ? - > - > 3 1 4 2 x x 的解集是__________; 7、圆锥底面的半径为5cm,高为12cm,则圆锥的侧面积为_______cm2。 8、两圆的半径分别为5和8,若两圆内切,则圆心距等于________。 9、同时抛两枚1元硬币,出现两个正面的概率为 4 1 ,其中“ 4 1 ”含义为__________ _______________________________________________________________; 10、把多项式x4y+2x2y3-5xy4+6-3x3y2按x的升幂排列是_______________________________; 11、如图是4张一样大小的矩形纸片拼成的图形。请利用图形写 出一个有关多项式分解因式的等式_____________________; 12、观察下列图形的排列规律(其中△是三角形, □是正方形,○是圆), □△○□□△○□□△○□□△○□…… 若第一个图形是正方形,则第2006个图形是______(填图形名称) 二、选择题:(每小题4分,共24分) 13、下列运算正确的是( ) A、a2+a2=a4 B、4a2-2a2=2 C、a8÷a2=a4 D、a2?a3=a5 14、小丽制作了一个如下左图所示的正方体礼品盒,其对面图案 都相同,那么这个正方体的平面展开图可能是( ) A B C D 15、数学老师对小林在参加中考前的十次模拟考试进行统计分析,判断其成绩是否稳定,于是,老师必需知道这十次数学成绩的( ) A、平均数 B、众数 C、方差 D、频率 16、AB两地相距50km,一辆汽车从A地开往B地,设汽车到达B地所用的时间y(小时)、 a b

2017-2018年九年级化学试题期末试题(人教版)带答案

2017-2018学年度第一学期期末调研考试 九年级化学试题(人教版) 注: 1.本卷满分100分,时间90分钟。 2.答题前请先填写学校、班级、姓名、学号。 3.请将答案写在答题纸上,写在试卷上无效,考试结束后只交答题纸 可能用到的相对原子质量:H:1 C:12 O:16 S:32 Cl:35.5 Zn:65 一、让我想想,我能选对!(共20个小题,每小题2分,共40分。每小题只有一个正确答案,请将正确答 案填写在答题纸的表格内) 1.下列变化中发生了化学变化的是 A.石蜡熔化B.瓷碗破碎C.火柴燃烧D.胆矾研碎 2.下列事实描述中,属于化学性质的是 A.铜呈紫红色B.以粮食为原料能酿酒 C.水变成水蒸气D.二氧化碳密度比空气大 3.正确的实验操作对实验结果、人身安全都非常重要。下列实验操作正确的是 A B C D 4.下列方法中,能鉴别空气和氧气两瓶气体的是 A.闻气味B.将集气瓶倒扣在水中观察 C.观察颜色D.用带火星的木条伸入到集气瓶中 5.下列物质中,属于纯净物的是 A.矿泉水B.氧气C.空气D.碘酒 6.下列物质中属于氧化物的是 A.MnO2 B.H2 SO4 C.NaOH D.O2 7.2014年“六·五”世界环境日中国的主题为“向污染宣战”。下列做法不符合这一主题的是A.用风能与太阳能发电替代燃煤发电 B.提倡步行、骑自行车等“低碳”出行方式 C.施用大量的化肥和农药以提高农作物产量 D.淘汰污染严重的黄标车和污染严重的老式锅炉 8.下列物质在充满氧气的集气瓶中燃烧时,能产生明亮的蓝紫色火焰的物质是 A. 硫粉 B. 铁丝 C. 木炭 D. 红磷 9.下列对于“干冰升华”的解释正确的是 A.分子不停地运动B.分子体积急剧增大 C.分子间间隔变大D.分子本身不发生变化

九年级化学图像题 金属及酸碱盐反应试题(有答案和解析)

九年级化学图像题金属及酸碱盐反应试题(有答案和解析) 一、化学图像题金属及酸碱盐反应的图像 1.用等质量相同表面积的镁条、等体积不同浓度的稀盐酸在一定条件下反应,实验结果如图所示。下列结论正确的是 ①镁与盐酸的反应是放热反应 ②b曲线对应的盐酸浓度较大 ③盐酸浓度越大,反应速率越快 ④单位时间内放出热量越多,反应速率越快 ⑤装置内氢气的质量先增大,后减小 ⑥两种情况最终产生氢气的质量可能相同 A.①②③④B.①③④⑤C.①③④⑥D.③④⑤⑥ 【答案】C 【解析】 【分析】 【详解】 ①镁与盐酸反应生成氯化镁和氢气,该反应是放热反应,符合题意; ②盐酸的浓度越大,反应速率越快,压强增大越明显,故a曲线对应的盐酸浓度较大,不符合题意; ③盐酸浓度越大,反应速率越快,说法正确,符合题意; ④镁与盐酸反应放热,单位时间内放出热量越多,说明反应速率越快,符合题意; ⑤镁与盐酸反应生成氢气,随着反应的进行,氢气质量逐渐增加,待完全反应后,氢气的质量不再变化,故装置内氢气的质量先增大,后不变,不符合题意; ⑥如盐酸过量,镁条的质量相等,两种情况最终产生氢气的质量相同,符合题意。 正确的是:①③④⑥;故选C。 2.常温下,向烧杯内的甲物质加入乙物质至过量,若x轴表示加入乙物质的质量,则下列

选项于图像不相符的是() 选项甲物质乙物质Y轴的意义 A稀盐酸和硫酸钠氢氧化钡生成沉淀的质量 B水硝酸钾溶质的质量分数 C二氧化锰过氧化氢溶液氧气的质量 D铝稀硫酸溶液中铝元素的质量 A.A B.B C.C D.D 【答案】C 【解析】 【分析】 常温下,向烧杯内的甲物质加入乙物质至过量,若x轴表示加入乙物质的质量,曲线从0点出发,逐渐增大,增大到一定程度时不再增大。 【详解】 A、向稀盐酸和硫酸钠混合液加氢氧化钡溶液,硫酸钠与氢氧化钡反应生成硫酸钡沉淀,且该沉淀不溶于盐酸,所以反应开始时就有沉淀产生,当硫酸钠反应完时,沉淀的量不再增加,与曲线相符,不符合题意; B、往水中溶解硝酸钾,溶质质量分数从0不断增大,当溶液达到饱和时,溶质质量分数不再增大,与曲线相符,不符合题意; C、向二氧化锰中滴加过氧化氢溶液,反应开始时就产生氧气,且氧气不断增加,因为二氧化锰在该反应中作催化剂,反应中质量和化学性质不变,因此,过氧化氢不断滴加,氧气就不断增大,氧气没有最大量,与曲线不相符,符合题意; D、向铝中滴加稀硫酸,铝与硫酸反应生成硫酸铝,溶液中的铝元素的质量不断增加,当铝完全反应后,溶液中铝元素的质量不再增加,与曲线相符,不符合题意。故选C。【点睛】 判断反应生成物与曲线的关系时,重点找出生成物的起点和终点是否与曲线相符。 3.下列图像正确反映实验变化关系的是()

华师附中在天河区复办初中部,113中学设两个“华附班”

华师附中在天河区复办初中部,113中学设两个“华附班” 好消息,华南师范大学附属中学要在天河区复办初中部了!3月13日上午,广州市天河区人民政府与华南师范大学附属中学签订了合作办学协议。主要包括两项合作:一是双方合作复办华师附中初中部,为天河区输送更多优质学位;二是华师附中与113中学建立教育联盟,充分利用华师附中优质教育资源,提升113中学办学质量,将113中学打造成为全市一流的示范性高中。 华师附中初中部: 面向天河区公办学校招生3个班,采用电脑派位方式 根据签署的合作办学协议,天河区人民政府与华南师范大学附属中学将合作复办华南师范大学附属中学(初中部),旨在打造“全国一流、全市领先、示范引领”的优质公办初中。双方将在教师培训、课堂教学、教育评价、教育教研等方面进行区域基础教育改革实验,以引领全区改进教学方式、变革教学模式、创新教学手段、革新学生评价方式等实验。2018年开始,华师附中本部面向天河区公办小学招收3个班,采用电脑派位方式,具体细则华师附中正在拟定中。 113中学:将设立两个“华附班” 华南师范大学附属中学与天河区区属的广州市第113中学签订了为期5年的教育联盟协议。两校以“资源共享、互利共赢、着眼教育、畅想未来”为原则,在提升113中学校管理水平、教育教学质量及骨干教师跟岗交流等方面建立合作机制;在校本研修、班主任培训、德育建设、学生社团等方面建立结对机制;在教育资源、教学成果、教育信息化、高考备考等方面建立共享机制。 2018年起,华师附中支持113中学高中设立两个“华附班”,并定期派出优秀骨干教师开展“华附班”教育教学工作;113中也将定期派出骨干教师到华师附中跟岗学习;双方派出教师的人事关系和工资关系仍保留在原单位。两校以相互支援、互通有无等方式进行深

华南师大附中2020届高三年级月考(三)(理综)

华南师大附中2020届高三年级月考(三) 理科综合 本试卷共12页,满分300分,考试时间150分钟 注意事项: 1.答卷前,请务必将自己的班级、姓名和考号填写在答题卡上。 2.回答选择题时,选出每小题答案后,用铅笔把答题卡上对应题目的答案标号涂黑,如需改动,用橡皮擦干净后,再选涂其他答案标号。回答非选择题时,答案必须写在答题卡各题目指定区域。不按要求作答的答案无效。 3.考生必须保持答题卡的整洁。考试结束后,将答题卡上交监考老师。 相对原子质量H l T 3 C 12 N 14 O 16 Na 23 Mg 24 Ca 40 一、选择题:本题共13小题,每小题6分,共78分。在每小题给出的四个选项中,只有一项是符 合题目要求的。 1.下列有关线粒体的叙述,正确的是 A.口腔上皮细胞用盐酸处理后,线粒体可被健那绿染成蓝绿色 B.无论在有氧还是无氧条件下,线粒体基质中都可以生成CO2 C.线粒体中有DNA和RNA分布,可发生遗传信息的传递和表达 D.在电子显微镜下观察大肠杆菌,可看到线粒体由双层膜构成 2.科学家将鸡肉瘤的无细胞滤液接种到健康鸡体内,诱发了新的肉瘤,后来从肉瘤中提取出一种RNA病毒,命名为Rous病毒。以下分析合理的是 A.滤液中的致癌因子属于化学致癌因子 B.Rous病毒的化学组成与染色体相同 C.与正常细胞相比,肉瘤细胞的细胞周期变长 D.与正常细胞相比,肉瘤细胞的遗传物质发生改变 3.如图为细胞中核糖体合成分泌蛋白的示意图。己知分泌蛋白的新生肽链上有一段可以引导其进入内质网的特殊序列(图中P肽段)。下列叙述正确的是 A.①的合成起始需要RNA聚合酶识别并结合起始密码子 B.多个②结合在①上可使每一条肽链的合成时间大大缩短 C.若P肽段功能缺失,肽链可继续合成,但无法分泌到细胞外 D.据图可知②在①上的移动方向是从左向右

2019专业课模拟卷1-华南师范大学公共管理学

1 2019年全国硕士研究生考试华南师范大学自主命题 模拟试题(一) 考试科目:公共管理学 答题时间:180分钟 总分:150分 考场注意事项: 一、考生参加考试必须按时进入考场,按指定座位就坐。将有关身份证件(准考证、身份证)放在桌面左上角,以备查对。 二、闭卷考试,考生进入考场,不得携带任何书刊、笔记、报纸和通讯工具(如手机、寻呼机等),或有存储、编程、查询功能的电子用品(如已携带,必须存放在监考老师指定的地方)。考生只准带必需的文具,如钢笔、圆珠笔、铅笔、橡皮、绘图仪器或根据考试所需携带的用具。能否使用计算器,及开卷考试时允许携带的书籍及用具等由任课教师决定。 三、考生迟到30分钟不得入场,逾时以旷考论;因特殊原因不能参加考试者,必须事前请假,并经研究生部批准,否则作旷考论。考试开始30分钟后才准交卷出场。答卷时,不得中途离场后再行返回。如有特殊原因 需离场者,必须经监考教师准许并陪同。答卷一经考生带出考场,即行作废。 四、考生拿到试卷后,应先用钢笔填写好试卷封面各项,特别是学号、姓名、学院名称、课程名称等,不到规定的开考时间,考生不得答题。 五、考试期间,考生应将写好的有答卷文字的一面朝下放置,考生必须按时交卷,交卷时应将试卷、答卷纸和草稿纸整理好,等候监考老师收取,未经许可,不得将试卷、答卷纸和草稿纸带出场外。 六、考生在考场内必须保持安静。提前交卷的考生,应立即离开考场,不得在考场附近逗留。 七、考生答题必须用钢笔或圆珠笔(蓝、黑色)书写,字迹要工整、清楚。答案书写在草稿纸上的一律无效。 八、考生对试题内容有疑问的,不得向监考老师询问。但在试题分发错误或试卷字迹模糊时,可举手询问。 姓名: 准考证号: 报考院校: 报考专业:

2016-2017学年度第一学期九年级化学期末考试试卷及答案

可能用到的相对原子质量:H-1 C-12 N-14 O-16 Cl-35.5 K-39 一、单项选择题(共13小题,选出下列各题中惟一正确的答案。1-11题每题2分,12-13题 每题3分,满分28分。不选、多选、错选不得分) 1.PM 2.5是指大气中直径不超过2.5μm的颗粒物,主要来源是化石燃料的燃烧和扬尘,它是造 成雾霾天气的元凶之一,吸入人体后能直接进入支气管,因而对人体健康影响更大,下列措施能减少PM2.5污染的是() A、鼓励开私家车出行 B、鼓励燃煤火力发电 C、鼓励焚烧秸秆节约能源 D、鼓励使用太阳能热水器 2.下列现象中,一定发生化学变化的是() A、木条燃烧 B、酒精挥发 C、石蜡融化 D、水结成冰 3.下列化学实验基本操作中正确的是() A、量取9.5ml的液体可用100ml的量筒 B、给试管里的液体加热时,液体体积最多为试管容积的1/2 C、集气瓶可以用作反应容器 D、试管、烧杯、蒸发皿等仪器可在酒精灯火焰上直接加热 4.如图所示装置可用于测定空气中氧气的含量,实验前在集气瓶内加入 A、该实验证明空气中氧气的含量约占总质量的1/5 B、实验时红磷一定要过量 C、可用硫或木炭代替红磷完成实验 D、空气中的稀有气体,属于纯净物 5.下列有关物质燃烧现象的描述,不正确的是() A、氢气在空气中燃烧发出淡蓝色的火焰 B、硫在氧气中燃烧发出蓝紫色的火焰 C、铁丝在空气中剧烈燃烧,火星四射 D、木炭在氧气中燃烧,发出白光,生成能使澄清石灰水变浑浊的气体 6.下列关于分子和原子的说法,错误的是() A、分子和原子之间都有间隔,分子之间间隔较大,原子之间间隔较小

广东省华南师大附中2014届高三第三次模拟考试(英语2

广东省华南师大附中2014届高三第三次模拟考试(英语2 高考英语 2014-05-28 1417 ( development, competitiveness, and lifestyle, the different sessions will connect science and technology innovation with the Expo theme of “Better City, Better Life.” D. Theme Forum 4 Towards a Low-Carbon City Environmental Protection and Urban Responsibilities This forum covers a wide range of issues involving urban environmental systems as well as the utilization, protection and governance of the environment. These issues are to be discussed by the government, enterprises from three different levels of responsibility, focusing on serious global and regional environmental problems involving climate change, water pollution, etc. the forum will deliver the message that a more harmonious environment- would make a better city; that a resource-saving and environment-friendly urban development pattern would make our native earth better. E. Theme Forum 5 Economic Transformations and Urban-Rural Relations Economic Transformations is a vital proposition in the world economic theory and practice today. More developing countries are confronted with double pressure from both the economic and the industrial structure conversion(转换), in which the key question is how to realize the transformation from a traditional agricultural society to a modern industrial one. as a country with the largest population, especially the agricultural population, China’s experiences and lessons accumulated from the process of urban and rural development are of referential and research value to the vast developing countries.

相关主题
文本预览
相关文档 最新文档