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2016荆州中考生物

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篇一:2016年荆州市中考英语试题及答案

荆州市2016年初中升学考试英语试题

注意事项:

1.本试卷有十大题,共8页。全卷满分120分,考试时间100分钟。

2.所有题目必须在答题卡上答题,在试卷上答题无效。选择题在答题卡上选择题答题框内用

2B铅笔将各题号下相应选项代号的矩形框“□”涂黑;非选择题在答题卡上答题栏内相应

的题号后的空白处用黑色签字笔或黑色墨水钢笔答题。

★ 祝考试顺利 ★

本科目考试时间2016年6月20日下午14:0 0—15:40

听力部分(25分)

Ⅰ、对话理解。(共15分,每小题1分)

听对话,根据你听到的内容从每小题的三个选项中选出一个正确选项,每段对话听两遍。

听第1段对话,回答第1小题。

()1. Where are they going to have lunch?

A. At home.B. In the park.C. In the office.

听第2段对话,回答第2小题。

( )2. How much will the woman pay?

A. $12. B. $20.C. $30.

听第3段对话,回答第3、4两个小题。

()3. Which country is the man from?

A. Canada. B. England.C. The USA.

()4. Where was he born?

A. New York. B. London. C. Los Angeles.

听第4段对话,回答第5至7三个小题。

()5. What are they doing?

A. Having a music class.B. Visiting a famous singer.C. Talking on the phone.

()6. What will they do on Saturday evening?

A. Watch a football game. B. Go to the concert. C. Go to buy tickets.

()7. When will they meet at the gate of the gym?

A. At 6:15. B. At 6;45.C. At 7;00.

听第5段对话,回答第8至11四个小题。

()8.How long is a driving lesson?

A. Fifteen minutes. B. Fifty minutes. C. An hour.

()9. What’s the teacher’s car like?

A. New. B. Fast.C. Big.

()10. Why didn’t Peter pass the driving test?

A. Because he bought an old car for the test.

B. Because he didn’t se the traffic lights .

C. Because he drove the car too fast.

()11. Who will give Peter his next lessons?

A. His friend.B. His teacher.C. His father.

听第6段对话,回答第12至15四个小题。

( )12. What does the doctor think of American food?

A. It’s better now. B. It has changed greatly. C. It’s less salty.

( )13. What kind of food does the woman like?

A. Vegetables and fruits.B. Fat and salty food. C. Traditional Asian food.

( )14. Why is Asian food considered healthy food?

A. It uses less oil in cooking.

B. It has lots of fruits.

C. It has vegetables and fish.

( )15. What can we learn from the conversation?

A. Few Americans like to eat lots of desserts.

B. Asian food is the healthiest in the world.

C. The woman plans to eat more healthily.

Ⅱ、短文理解。(共10分,每小题2分)

听短文, 根据你听到的内容从每小题的三个选项中选出一个正确选项。短文听两遍。

()16. Why didn’t Jeremy buy the computer game at first? .

A. He didn’t have enough money. B. The computer games were sold out.

C. He wanted to buy something else.

()17. Which of the following chores did Jeremy do?

A. Washing the dishes.B. Brushing the cat. C. Making the bed.

()18. How many dollars did Jeremy have when he returned to the store?

A. $30. B. $46. C. $50.

()19. What did Jeremy want to buy at last?

A. A book . B. A bike . C. A computer.

()20. What would happen to Jeremy in the following days?

A. He wouldn’t do any chores .

B. He would borrow some money.

C. He would save more money.

知识运用(20分)

Ⅲ、单项选择。(共10分,每小题1分)

从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。

21. —Mike, who helped ______ make the paper plane?

—Nobody! I made it all by myself.

A. your B. yours C. you D. yourself

22. —Can you tell me some ______ about the Brazil Olympic Games?

—OK. Let me help you search the Internet.

A. service B. information C. discussionD. success

23.—I _____eat vegetables.

—But they are good for your healthy! We should eat them every day.

A. oftenB. usuallyC. alwaysD. seldom

24. —I can hardly believe my eyes. Is that you, Joy?

—Yes. It has been almost ten years ______ we were together.

A. since B. beforeC. until D. after

25. —My English is so weak. Can you help me, Gina?

—Practice more and the most important is to a good habit of reading.

A. make B. complete C. develop D. show

26. —I’m sorry, Mrs. Green. I’ve made a lot of mistakes in the exam.

—Never mind. , the exam is a little difficult.

A. Above all B. After all C. In all D. At last

27. —How was your interview for the work?

—Oh, I couldn’t feel any . I hardly understood most of the questions they asked.

A. happier B. better C. worse D. harder

28. —Why are you feeling sleepy all the time?

—Because I late watching the film Kung Fu Panda Ⅲ last night.

A. stayed up B. cheered upC. gave up D. took up

29. —Do you know this afternoon?

—I’m not sure, but I’ll tell you as soon as she comes.

A. how will Betty arriveB. what time Betty will arrive

C. where Betty will arrive D. whether will Betty arrive

30. —Bill, can I get you anything to drink?

—Thanks.

A. You are welcome. B. It doesn’t matter.

C. No problem.D. I wouldn’t mind a coffee.

Ⅳ、完形填空。(共10分, 每小题1分)

阅读下面短文,从短文后所给各题的四个选项A、B、C和D中,选出可以填入空白处的最佳选项。

Mr. Hamel now picked up a French grammar book and started to teach. It all seemed soduring that last lesson. I understood all the participles(分词)which Mr. Hamel explained. “ didn’t French seem so interesting before?” I asked myself.

But I knew the answer. It was my last French lesson, and I regretted not studying hard before. I to listen very carefully. Mr. Hamel was trying to teach us everything he knew. He had never taught a lesson so well before.

The grammar lesson finished, and then we started . I had never seen so many hardworking students before. Everyone had their down, and the sound of pens on paper was the only sound to be heard.

Students were usually distracted(分心) by even the smallest thing. However, when some beetles(甲壳虫)flew into the classroom, not one student looked at them today. It was very.

I looked at Mr. Hamel. He was sitting still in his chair. The only things he were his

looking at the next thing. For forty years, the only classroom was like his, and now it was being taken from him. Mr. Hamel looked at all of the walls, windows, desks, and chairs we were working hard. I was sure he wanted to remember everything like it was now.

31. A. difficult B. easy C. common D. great

32. A. Why B. WhoC. WhereD. When

33. A. went B. began C. expected D. continued

34. A. listening B. speakingC. reading D. writing

35. A. heads B. hands C. pens D. books

36. A. impossibleB. excellentC. unusual D. valuable

37. A. movedB. closed C. opened D. noticed

38. A. without B. before C. about D. after

39. A. courage B. dream C. home D. country

40. A. because B. unless C. whatever D. while

阅读理解(44分)

Ⅴ、阅读选择。(共24分, 每小题2分)

阅读下列短文,从每篇短文后所给各题的四个选项A、B、C和D中,选出最佳选项。

A

How does a young dog or cat get to know a new home? The animal uses its nose. Right away it smells its new places. Then it makes wider and wider circles, smelling all the time. Before long it can find its way home very well, even in the dark. It simply follows something it knows well. Stories happen about animals who found their way across land they had never smelled before. Take the case of Smoky, a small white cat. Smoky had some funny red hair around its right ear. One day Smoky and his owner began a long journey. They were moving from Oklahoma to Tennessee. When they were just eighteen miles from their Oklahoma home, Smoky jumped out of the car. Then he found his way back to the old house. There he wandered around outside for many days. Finally he disappeared.

A year later Smoky meowed at the door of a house in Tennessee. A man opened the door. “Is that you, Smoky?” he said in surprise. At first he couldn’t believe it. Then he saw the red hair around its right ear. It was Smoky!

41. What is the first thing a pet does in a new place?

A. It travels a long way. B. It smells the new place.

C. It finds its way in the darkD. It follows something it knows.

42. Put these events in the right order that they happened.

①Smoky got to Tennessee. ②Smoky jumped out of the car. ③Smoky went to his old house.

A.③①② B.①③②C.②③①D.③②①

43. What does the underlined word "wandered" mean in the passage?

A. 游荡 B.思考 C. 搜寻 D. 围绕

44. What is the best title of the passage?

A. A Kind OwnerB. A Humorous Cat C. A Surprising JourneyD. An Excellent Memory

B

Who is smarter, human being or artificial intelligence(AI, 人工智能)?The question swept

the world a few months ago. In March 2016, AlphaGo, an AI program developed by Google, had the Go(围棋) match with Lee Sedol, a South Korean Go player. He is the world top player of this old Chinese game.

In October 2015, AlphaGo became the first computer program to beat a professional(职业的) human Go player. And this time, it beat Lee Sedol 4-1.

In fact, before the match, most people believed that Lee would certainly be the winner, because they didn’t think that AI was good enough to beat the human mind. However, the result was disappointing. As a machine, AlphaGo would never get tired, while Lee Sedol was only a human and humans must have some weaknesses.

AlphaGo’s wins over a human champion(冠军) show that computers can do more difficult tasks. Some people may worry whether computers are now smart enough to beat us at everything. But scientists say that is not the case. Real life problems can be more difficult than the Go game. Thomas Johnson, a scientist of AI said, “It’s not hard to get a computer program to remember and produce facts. What is hard is getting computers to use knowledge in everyday situation. ” We believe we can use the technology of AI to improve the world.

45. The match between AlphaGo and Lee Sedol is mentioned at the beginning of the article mainly to_____________.

A. get the reader to think about AI B. draw the reader’s attention to AlphaGo

C. show how AI is usually tested D. tell the reader AI has over the human brain

46. What was the result of the match?

A. Google program beat AlphaGo.B. Lee Sedol won AlphaGo 4-1.

C.Lee Sedol was beaten.D.Neither side won the match.

47.—Why did most people believe Lee would be the winner?

—Because __________

A. computers had weaknesses and also got tired

B. AlphaGo only beat a human Go player once

C. the Go game was invented by Chinese people

D. computers were not so smart as a human

48. What does Thomas Johnson probably agree with?

A. AI does better than humans in every situation.

B. It’s hard for AI to beat the human at everything.

C. The development of AI could be harmful one day.

D. AI should be used to help us make difficult decisions.

C

Joe was an old man. The 75-year-old lived very happily in a village and had a beautiful family. Joe had four grandchildren, and they visited him during their holidays.

During one vacation, Joe was preparing his home for the kids: cleaning and buying their favorite foods. After he finished working, he realized he lost his favorite watch. The watch was a gift from his wife when their first child was born. Joe loved the watch very much, especially after his wife’s death. He was very upset about losing it.

Once his grandchildren came, they promised him they would find the watch.

One granddaughter asked: “Grandpa, do you remember when you saw the watch last before it went missing?”

“I guess when I was cleaning the barn(谷仓)!” Joe replied.

篇二:荆州市2016年八年级调研考试生物试题

荆州市2016年八年级调研考试生物试题

监利县廖池中学生物组整理

一、选择题(每小题2分,共24分)

1.菠菜放在开水里煮过后,水的颜色会变绿,而放在泠水中,水的颜色不会变绿,产生这种现象的原因是( )

A.叶绿素只能溶解在开水里 B.在开水时煮过后,液泡破裂,叶绿素渗出

C.在开水里煮过后,细胞壁被破坏,叶绿素渗出 D.在开水里煮过后,细胞膜被破坏,叶绿素渗出 2.右图所示的实验装置探究的是( )

A.绿叶在光下制造有机物B.叶片光合作用释放氧气 C.叶片呼吸作用释放二氧化碳D.叶片正面和背面的气孔是否一样多

3.夏天,在西瓜田被水淹时,必须及时进行排涝。这主要是为了让西瓜植株的根得到足够的( )

A.能量 B.在机物 C.氧气 D.二氧化碳

4.

5.下图中的曲线表示人体血液中氧气和二氧化碳的变化,其中血管H为肺动脉,能表示该图含义的正确组合为( )

①曲线a代表氧气;②曲线b代表二氧化碳; ③曲线a代表二氧化碳;④曲线b代表氧气;

⑥血管J表示肺泡外手细血管;⑦血管I表示肺泡外毛细血管 A①②⑥

B.①②⑦ C.③④⑦ D.③④⑤⑦ 6.下列几种人体的营养物质中,需要在消化道内消化酶的作用下,开始被消化的先后顺序是( )

①蛋白质;②淀粉;③脂肪;④无机盐;⑤维生素 A①②③ B.①③⑤ C.②①③ D.③②① 7.下列几种表示反射弧结构的模式图中,正确的是( )

传入神经传出神经

A.感受器??????中枢神经??????效应器 传入神经传出神经B.感受器??????神经中枢??????效应器 传入神经传出神经C. 中枢神经??????感受器 ??????效应器

传入神经传出神经

D. 效应器??????中枢神经??????感受器

8.

A血液 B.血浆 C.原尿D.尿液 9.下列对有关动物特征的描述中,不正确的是( ) ...

A鲤鱼的体表被覆鳞片,用鳃呼吸 B.青蛙的幼体和成体都用肺呼吸 C.家鸽的体表被覆羽毛,前肢变成翼 D.大熊猫具有胎生和哺乳的特点

10.某同学在一片草地上发现了蝗虫、麻雀、田鼠,他把这5种动物分为两类,他的分类依据不可能是A.有无脊柱 B.体温是否恒定 C.是否能飞行 D.是否体内受精 11.下列有关生物的生殖和发育的说法中,正确的是( ) A.青蛙的鸣叫与繁殖无关B.扦插和嫁接都属于有性生殖 C.细菌和真菌的生殖方式都是孢子生殖D.胚盘位于鸟卵卵黄的表面,里面含有细胞核

12.孟德尔用纯种圆粒豌豆与纯种皱粒豌豆杂交,子一代的种子都是圆粒,将子一代进行自花传粉,获得子二代种子,下列分析中不正确的是( ) ... A.圆粒相对于皱粒是显性性状 B.圆粒和皱粒的性状由基因控制C.亲代控制皱粒的基因没有传给子一代D.子二代中有圆粒和皱粒两种性状 二、填充题(每空1分,共8分)

1.普通光学显微镜的结构中,转动________________________时,镜筒升降的范围较小。 2.取适量干重相等的4份种子进行不同处理,甲风干,乙炒熟,丙浸水后萌发,丁浸水后煮熟晾至温室后,再将它们分别放入4个保温瓶内,一段时间后,瓶内温度最高的是_______________。 3.在人体的胚胎发育过程中,胎儿与母体进行物质交换的场所是____________。 4.在人体内,二氧化碳浓度最高的部位是_______________

5.甲同学在家里常用电脑放歌曲,还跟着屏幕学跳舞,后来只要音乐响起,家里养的宠物狗也会乱蹦乱跳,从获得的途径来看,宠物狗的这种行为属于_______________。 6.与真菌相比,细菌细胞特有的结构特点是:细胞内没有_______________ 7.预防蛔虫病等消化道传染病应采取的重点措施是_______________

8.全国“全面二孩”的计生政策已经出台,某夫妇已生一个男孩,若他们想再生一个孩子,是女孩的概率为__________

三、简答题(本大题包括两个小题,共 8 分)

1.在生物圈中,动物的种类繁多,形态千差万别,它们与人类的生活密切相关。请回答以下问题:

(1)夏天在海水中游泳时,常会遇到水母、(原文来自:wWW.DxF5.com 东 星资源网:2016荆州中考生物)海蛰等腔肠动物,它们在身体结构等方面与淡水中的水螅

相似,主要体现在身体的体型呈________________________。

(2)夏天的雨后,有时可以见到蚯蚓在地面上爬行。区分蚯蚓身体前端和后端的方法主要是:身体的前端靠近_______________。

(3)成语“鹬蚌相争”中鹬、蚌两种动物与外界进行气体交换的器官依次是____________; (4) 迷语“身体分为头胸腹,两对翅三对足,头上两根感觉须,里头是肉外是骨”所描写的一类动物中,特征“外是骨”中的“骨”所指的结构是____________。

2.阅读下列有关”光合作用”发现的资料,重温科学家的非一日之寒研究过程,并回答下列问题:

资料一:1773年英国人普利斯特利发现,将薄荷枝条和燃烧的蜡烛放在一个密封的钟罩内,蜡烛不易熄灭;小鼠也不易窒息死亡.

资料二:1864年德国人萨克斯把一株盆栽植物放在黑暗处一昼夜,然后把其中一个叶片的一半曝光,另一半遮光,一段时间后,用碘蒸气处理叶片,发现遮光那一半颜色没有发生变化,曝光的那一半颜色变成了深蓝色。

资料三:1880年美国人恩格尔曼把载有水绵和好氧性细菌的临时装片放在没有氧气的黑暗环境里,然后用极细的光束照射水绵.通过显微镜观察发现好氧细菌只集中在叶绿体照光部位的附近.如果上述临时装片完全暴露在光下,好氧细菌也只集中在叶绿体所照光部位的周围. 请回答下列问题:

(1)有人仿照普利期特利所做的实验,有的并没有成功,其原因可能是___________________ (2)萨克期所设计的对照实验中,属于实验组的是_________________. (3)由恩格尔曼的实验可得出的结论是:_____________________. (4)请写出光合作用的表达式:________.

答案

一、DDCAC CBDBD DC

二、1.细准焦螺旋;2.丙;3.胎盘;4.组织细胞;5.学习行为;6.成形的细胞核7.切断传播途径;8.50% 三、 1.(1)辐射对称; (2)环带; (3)肺 鳃; (4)外骨骼 2.(1)黑暗环境; (2)另半遮光;

(3)光合作用的场所是叶绿体; (4).二氧化碳+水

???有机物(储存能量)+氧气

叶绿体

篇三:2016荆州中考语文试题word版含答案

荆州市2016年初中升学考试语文试题

一、积累与运用(12分)

1.(2分)下面加点字注音完全正确的一项是

A.彷徨(páng) 慰藉 (jiè) 豁然开朗(huò) 鳞次栉比(jié)

B.羁绊(pàn) 葱茏(lóng) 义愤填膺(yīng) 叱咤风云(zhà)

C.羸弱(léi) 惬意(qiè)恪尽职守(kè)惟妙惟肖 (xiào)

D.蜷伏(quán)悲悯(mǐn)锲而不舍(qì)周道如砥(dǐ)

2.(2分)下列词语书写完全正确的一项是

A.一视同仁 不容质疑 平心而论梦寐以求

B.一拍即和 不自量力 蜂拥而来格物致知

C.一泻千里 不言而喻 油然而升顶礼膜拜

D.一蹴而就 不可名状 挺身而出五彩斑斓

3.(2分)下面语段横线上填入的词语,最恰当的一组是

关公崇拜起源于荆州,也寄寓着荆州人民对关羽的特殊感情。关公是“义”的化身,在他身上,我们看到了守土报国的 ,也看到了治军安民的 ;看到了扶危济困的 ,也看到了同生共死的 。

A.仁义 侠义 情义 忠义

B.忠义 仁义 侠义 情义

C.情义 忠义 仁义 侠义

D.侠义 情义 忠义 仁义

4.(3分)下列各项中,有语病的一项是

A.礼是由传统和习俗形成的行为规范。

B.传统文化培养了中国民众高尚文雅的气质和彬彬有礼的精神风貌。

C.重礼仪的民族,都是古代经济较为发达,衣食生活比较充足。

D.礼尚往来是中国古代社会家喻户晓的礼节,也是人们交往的准则。

5.(3分)下列关于文学名著的说法完全正确的一项是

A.《傅雷家书》是翻译家傅雷对儿子的生活和艺术修养进行悉心指导的家信汇编,是苦心孤诣的教子篇。

B.《史记》是我国第一部纪传体史书,被鲁迅评价为“史家之绝唱,无韵之《离骚》”,其作者是西汉伟大的历史学家、文学家司马光。

C.《范进中举》中的胡屠户、《变脸》中的水上漂,都和契诃夫笔下的奥楚蔑洛夫一样具有“变色龙”的特点。

D.《钢铁是怎样炼成的》作者是原苏联作家保尔·柯察金,主人公尼古拉·奥斯特洛夫斯基是一位具有钢铁般意志的英雄战士。

二、古诗文阅读(24分)

观沧海 曹操

东临碣石,以观沧海。水何澹澹,山岛竦峙。树木丛生,百草丰茂。秋风萧瑟,洪波涌起。日月之行,若出其中;星汉灿烂,若出其里。幸甚至哉,歌以咏志。

岳阳楼记(节选) 范仲淹 若夫淫雨霏霏,连月不开,阴风怒号,浊浪排空;日星隐曜,山岳潜形;商旅不行,樯倾楫摧;薄暮冥冥,虎啸猿啼。登斯楼也,则有去国怀乡,忧谗畏讥,满目萧然,感极而悲者矣。 至若春和景明,波澜不惊,上下天光,一碧万顷;沙鸥翔集,锦鳞游泳;岸芷汀兰,郁郁青青。而或长烟一空,皓月千里,浮光跃金,静影沉璧,渔歌互答,此乐何极!登斯楼也,则有心旷神怡,宠辱偕忘,把酒临风,其喜洋洋者矣。 嗟夫!予尝求古仁人之心,或异二者之为,何哉?不以物喜,不以己悲;居庙堂之高则忧其民;处江湖之远则忧其君。是进亦忧,退亦忧。然则何时而乐耶?其必曰“先天下之忧而忧,后天下之乐而乐”乎。噫!微斯人,吾谁与归?

泥古者愚(节选) 纪昀

刘羽冲偶得古兵书,伏读经年,自谓可将十万。会有土寇,自练乡兵与之角①,全队溃覆,几为所擒。又得古水利书,伏读经年,自谓可使千里成沃壤。绘图列说②干③州官。州官亦好事,使试于一村。沟洫④甫成,水大至,顺渠灌入,人几为鱼。由是抑郁不自得,恒独步庭阶,摇首自语曰:“古人岂欺我哉!”如是日千百遍,惟此六字。不久发病死。

泥古者愚,何愚乃至是欤?何文勤公尝教昀曰:“满腹皆书能害事,腹中竟无一卷书亦能害事。国弈不费旧谱而不执旧谱国医不泥古方而不离古方。”

注释:①角:较量。②列说:游说。③干:求见。④洫(xù):田间水道。 (选自《阅微草堂笔记》)

6.(2分)下列词语解释有错误的一项是

A.沙鸥翔集集:集中,集合 B去:离开

C.微斯人微:没有D.幸甚至哉至:极点

7.(2分)下列句子中“其”的用法不同的一项是

A.刻唐贤今人诗赋于其上 B.其必曰

C.其真无马耶 D.鸣之而不能通其意

8.(2分)下面对《观沧海》理解不正确的一项是

A.“东临碣石,以观沧海”开篇点题,交代观察的方位、地点及观察对象。

B.诗中对海洋摹其形,绘其神,力求表现海洋包容万物、动荡不安的特征。

C.全诗虚写、实写结合,最能反映作者博大胸怀的当是实写大海的句子。

D.诗人借景抒情,把大海的壮阔景象和自己的雄心壮志巧妙地融合在一起。

9.(2分)下面对《岳阳楼记》赏析不正确的一项是

A.本文语言骈散交替,音韵和谐,凝练,畅达,极具感染力。

B.选文采用对比手法,一阴一晴,一悲一喜,有诗一般的意境。

C.选文融写景、抒情、议论于一篇,情景交融,议论精辟。

D.本文倡导“古仁人”寄情山水的君子之风和独善其身的人生态度。

10.(2分)下面对《泥古者愚》理解正确的一项是

A.刘羽冲刻苦攻读古代兵书和水利书,成为了军事和水利专家。

B.刘羽冲以自己的实践经验证明了大胆怀疑是非常宝贵的品质。

C.刘羽冲以失去生命为代价,证明了“读书可以治愚”的道理。

D.刘羽冲读古书却不知在实际运用中灵活变通,以致一事无成。

11.(3分)用“/”给《泥古者愚》中画线句子断句。(限三处)

国弈不费旧谱而不执旧谱国医不泥古方而不离古方。

12.(3分)用现代汉语翻译下面的句子。

居庙堂之高则忧其民;处江湖之远则忧其君。

13.(8分)联系学过的经典诗文,将下面文段补充完整。

每一个诗意的表达,都是一次灵魂的唤醒。或怀离别之叹:山回路转不见君, ① ;或叹愁苦之思:莫道不消魂,帘卷西风,②;或思淡泊之志:不戚戚于贫贱, ③ ;或志山水之兴:月下飞天镜, ④ ;或兴德馨之铭:无丝竹之乱耳, ⑤ ;或铭报国之言:了却君王天下事,⑥ ;或言济世之感:⑦ ,大庇天下寒士俱欢颜;或感风流之怀:江山如此多娇,⑧……他们唤醒了自己的人生,也唤醒了沉睡的国民!

三、现代文阅读(24分)

甜橙树

在油麻地最大的一棵甜橙树下,傻子弯桥睡得真香啊!

三瓢、浮子和红扇来到甜橙树下,低头弯腰,轻轻地绕着弯桥转圈,转累了,就轻轻地坐下来,或望着睡得正香的弯桥,或互相挤眉弄眼,或各自挪挪屁股,脸上都有一种压抑不住的快乐。

三瓢觉得腿有点坐麻了,拉着浮子跑到甜橙树背后撒尿。红扇害臊,嘴咕嘟着,将脸扭到一边。当三瓢、浮子系上裤子,低头看了一眼由他们尿成的小小烂泥塘时,他们同时互相感应到了心里生起的一个念头。三瓢捡起一根小木棍,浮子摘了一张青麻叶,红扇拔了四五根狗尾巴草,他们先是在弯桥脸上涂了个“八”字胡,然后干脆扔掉手中的狗尾巴草,直接用手蘸上青麻叶上的黑泥浆,在弯桥脸上涂抹起来……

红扇先笑起来,随即三瓢他们一个接一个地笑了起来,笑声越来越大,越笑越疯,直笑得东倒西歪。

弯桥在笑声中醒来了。惊奇地:“三瓢、浮子、红扇,你们都在这儿呢!”他半眯着,“你们知道吗?我刚才做了一串梦,把你们一个一个地都梦到了。”

三瓢、浮子、红扇有些惊讶与好奇,一个个围着弯桥坐在地上。

“先梦见的是红扇。那天很热,热死人了。我跟红扇躲到甜橙树下吃橙子,一人一只大橙子。吃着吃着,树阴变小了,越变越小,我们就挤一块儿。树阴越来越小,下面只能站一个人,红扇让我在树阴下,我跳出来,她又把我推到树阴下。我不干,她就跺脚。树阴像一把伞,阴凉阴凉的。红扇就站在毒太阳下,渐

渐地,她的头发晒焦了,红扇用舌头舔焦干的嘴唇,我看着就哭了,一大滴眼泪掉到了地上,潮了。潮斑长大、长大,不知怎地,就变成了树阴,越变越大,越变越大,一直又变到一块田那么大。”

三瓢、浮子和红扇都坐着不动。

“接着我就梦见了三瓢,”弯桥回想着,“是在荒地里。我们走了好多天好多天,就是走不出荒地。那才叫荒地呢,看不到一条河,看不见一点绿,满眼的枯树,枯草。我总是走不动,三瓢就使劲拉着我。枯草突然就烧着了,一忽儿就变成了一大片火,三瓢拉着我拼命跑。后来,我实在跑不动了,三瓢解开裤带,拴在我脚脖子上,拖着我往前走。不知走了多久,三瓢看到一棵甜橙树,就爬到树上摘橙子,不知怎地,那橙子老是跳来跳去,三瓢就朝那颗橙子扑过去……‘扑通’一声,他连人带橙子从空中跌下来。我大声叫他,他醒了,把橙子送到我手上。我推了回去,他又推了回来:‘吃吧,就是为你摘的。’”

三瓢、浮子、红扇都往前面挪了挪。

弯桥看看天,有了回去的意思,但看到三瓢他们并无一丝厌烦的意思,就又回到说梦的念头上:“最后梦到的是浮子。梦里,我先见到我妈。她朝我笑,还朝我招手,可我就是过不去。我看到妈妈眼里都是泪,亮晶晶的,妈妈忽然就不见了,半空中传来了妈妈的声音:‘我在大河那边……’浮子来了,他陪我坐在大河边,一直坐到天黑。第二天,我又坐到大河边,浮子没来,红扇来了,说浮子要砍倒他们家最好的那棵甜橙树。我问红扇:‘他想干什么?’红扇说:‘做船,为你做船。’我拔腿就往浮子家跑,刚到门口,就听到‘咔嚓’一声,甜橙树倒了。我踩着满地乱滚的甜橙跑过去,他却朝我笑笑:‘你要见到你妈妈了……’”

弯桥望着他的小伙伴们,泪光闪闪。

三瓢、浮子、红扇都低着头。

红扇哭起来。

三瓢、浮子走到烂泥塘边,红扇也过来了,他们将黑泥浆涂到自己脸上,只留下一双眼睛眨巴眨巴的。

四个孩子,像四个小鬼一般,在甜橙树下转着圈儿,又唱又跳……

(根据曹文轩同名小说改编)

14.(2分)小说讲述了一个什么样的故事?请简要概述。

15.(2分)结合上下文,品析句子“三瓢、浮子、红扇都往前面挪了挪”中的加点词。

16.(2分)细读句子:“红扇哭起来。”想想,如果红扇边哭边说,她会说些什么?

17.(3分)读完这篇小说,你看到了一个怎样的弯桥?

18.(3分)故事的开头小伙伴们很快乐,故事的结尾小伙伴们也很快乐,请简要说说这两个“快乐”有什么不同。

“阿尔法狗”凭什么打败世界冠军

①前不久,一场举世瞩目的围棋比赛以“阿尔法狗”4:1击败前世界围棋第一人李世石九段告终。

②打败世界冠军的“阿尔法狗”其实不是狗,这只是它的“网名”,它的英文名叫AlphaGo,中文名叫“阿尔法围棋”,它的真实身份是谷歌公司开发的一款人工智能软件。

③什么是人工智能软件呢?顾名思义,就是一种能够产生人类智能行为的计算机软件,它具有现场感应和环境适应的能力,具有表示、获取、存取和处理知识的能力,同时还能够采用人工智能的问题求解模式来获得结果。击败世界冠军的“阿尔法围棋”便是这样的一款智能软件。

④就下棋而言,一种直观的思路就是列举所有能赢的方案,然后优选出一个最佳方案。一般来说,下一盘围棋大约需要150步,每一步有250种可选的方法,要是人工智能采用这种思路,需要计算大约10360种情况。这样看来,在有时限要求的比赛中,列举所有情况的思路是不可行的,所以,研究者们选择了模仿人类大师的下棋方式,这就是“深度学习”。其原理是通过两种不同的深度神经网络——“策略网络”和“价值网络”合作“挑选”出那些比较有前途的棋步,抛弃明显的差棋,从而将计算量控制在计算机可以完成的范围内。其中,“策略网络”负责减少搜索的宽度。面对眼前的一盘棋,人工智能机器人会观察棋盘布局并试图找到最佳的下一步,相当于“落子选择器”。而“价值网络”则负责减少搜索的深度。人工智能机器人会评估棋局的整体局面并预测双方胜负,相当于“棋局评估器”,在局面处于明显劣势的时候,会直接抛弃某些线路,从而辅助落子选择器。在“两个大脑”的配合下,“阿尔法围棋”具有了像人类棋手那样的思维方式。同时,研究者通过“监督学习”让机器人掌握海量的专业棋局;通过“强化学习”让机器人从每次对弈中获得新的经验。而且,一个人或许一年能玩1000局,但机器人一天就能玩100万局;人类在长时间比赛时会犯错,但机器不会。所以,从理论上说,“阿尔法围棋”只要经过足够的训练,就能击败所有人类选手。

⑤如果你认为智能软件就是陪你下棋的娱乐工具,那你就错了。智能软件在商务管理、家政服务、精准医疗、环保检测和巡航导弹武器控制等领域有着广泛的运用。日前,中国科学院技术研究所发布了全球首个能够深度学习的神经网络处理器芯片“寒武纪”,这项成果正式投产后,反欺诈的刷脸支付、图片搜索等将更加可靠、易用。

⑥“阿尔法围棋”战胜世界冠军,是人工智能研究的标志性成就。随着整个科学体系演化进程的加快,在与多学科的交叉研究与发展中,人工智能一定会进入人类生活的方方面面,从而开启人机协同思考的新纪元。

19.(2分)这篇文章标题很有意思,说说你的发现。

20.(2分)整体把握全文,指出本文的说明对象。

21.(2分)第④段、第⑤段划线句子分别运用了什么说明方法?

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