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广东省百校联盟2018届高三第二次联考英语试题Word版含答案

广东省百校联盟2018届高三第二次联考英语试题Word版含答案
广东省百校联盟2018届高三第二次联考英语试题Word版含答案

第一部分阅读理解(共两节,满分40分)

第一节(共15小题;每小题2分,满分30分)

阅读下列短文,从每题所给的A、B、C和D四个选项中,选出最佳选项。

A

The Whizzfizzing Festival

One of the “Home Counties” to the north and west of London, Buckinghamshire is known for the rolling Chiltern Hills, its pretty villages, and the much-loved children’s author Roald Dahl.

The writer who penned Charlie and the Chocolate Factory, The Witches, Matilda and The Big Friendly Giant is the inspiration for the Whizzfizzing Festival—which will transform the market-town of Aylesbury into all kinds of music, colour and fun on Saturday, 1 July.

Formerly known as The Roald Dahl Festival, this year’s event will celebrate a broad range of children’s films and bring to life some of its best-loved characters—from Alice in Wonderland and the Gruffalo to The Big Friendly Giant and Harry Potter.

Things to see and do

The festivities start at 11 am with a colourful children’s parade. More than 650 local school children and teachers, many in fancy dress, will march through the town carrying giant carnival puppets, with thousands of audiences lining the streets to watch.

The parade will be followed with a range of child-friendly activities and workshops held in main streets across the town.

Don’t be late for the Mad Hatters Tea Party in the Bucks County Museum. Catch a splendid screening of a Roald Dahl movie in the Old Court House, watch leading children’s authors, including Julian Clary, and give readings in the Market Square.

With hands-on arts and crafts workshops, storytelling sessions, live music, a fancy dress competition, street theatre and more, there is something for everyone.

For more information, visit:

https: / /www. https://www.doczj.com/doc/746559343.html,/aylesbury-whizzfizzing-festival-inspired-roald-dahl 1. Who will show special interest in the Whizzfizzing Festival?

A. Children.

B. Film stars.

C. Publishers.

D. Children’s authors.

2. Which film was made from Roald Dahl’s works?

A. Gruffalo.

B. Harry Potter.

C. Alice in Wonderland.

D. The Big Friendly Giant.

3. Which of the following best describes the Whizzfizzing Festival?

A. Various.

B. Global.

C. Serious.

D. Ordinary.

B

April 4th was just another day on a Western Australia farm for Zac Mitchell, until it suddenly wasn’t. In an upexpected accident, the cattle worker was feeding the animals in his charge when one bull cleaned him up and kicked his hand up against the rail, resulting in the thumb on his right hand being cut off. “My thumb was still hanging on the rail... when I got up off the ground,” Zac Mitchell says.

His co-workers tried their best to preserve the thumb for reattachment, placing it on ice in a cooler, but two surgeries to put Mit chell’s thumb back in place failed. That’s when doctors came up with another suggestion: Remove one of his big toes to where his thumb used to be.

Mitchell’s lead surgeon, Sean Nicklin, understood the man’s dilemma at first, calling it a “bit of a crazy idea”. After all, Zac Mitchell did not want to be injured in another part of his body. But as the thumb is incredibly important function-wise, Mitchell eventually gave in. Nicklin explains that the big toe is surprisingly fit for a thumb switch: Nerves sync up (同步) nicely, and it looks more like a thumb, though a giant one, than any other alternative they may have come up with. He added that big toes aren’t as necessary for balance and walking as people believe. As far as the foot goes, occasiona l “fine balance” activities like surfing might be difficult, but most people without a big toe function fine in everyday tasks like walking and even competitive sports.

The eight-hour surgery went well, and Mitchell is expected to have a year or so of recovery in front of him before he heads back into the fields.

4. What happened to Zac Mitchell on April 4th?

A. He cleaned up a bull.

B. He was badly hurt.

C. He started his farm.

D. He lost his thumbs.

5. What suggestion did the doctor give to Mitchell after the unsuccessful surgery?

A. Recreating a new thumb in place.

B. Replacing the thumb with his toe.

C. Transplanting his co-worker’s thumb.

D. Putting back the cut-off thumb again.

6. What is Mitchell’s first attitude to the doctor’s another suggestion?

A. Optimistic.

B. Insignificant.

C. Hesitant.

D. Rejective.

7. According to Nicklin, after the surgery Mitchell is able to .

A. surf on the sea

B. do daily activities

C. only stay at home

D. work on wheelchair

C

Many people wrongly think that cities don’t have farms and that fruits and vegetables are only grown in the country. Believe it or not, there are more and more urban farms popping up in cities all over the world.

Alexandra Sullivan, a food system researcher in New York City, studies urban agriculture. Urban agriculture is another name for farming and gardening in a city environment. Ms. Sullivan studies everything from tiny gardens in empty lots between buildings to bigger fields that have been plant ed and grown. According to Ms. Sullivan, “Urban agriculture has existed since cities have, across the world.”

The number of humans living in urban areas, or cities, is increasing. The amount of people who want to garden in urban areas is also rising. Ms. S ullivan says, “In small gardens, on rooftops and indoors, they grow fruits, vegetables, grains, and herbs, and raise animals to produce milk, eggs, honey, and meat. They use these foods as supplements to food produced by rural agriculture.” Even though som e people who live in urban areas grow crops, urban residents still need to rely on food grown in rural areas. This is because a city doesn’t have enough space to grow enough food for everyone living in it.

In New York City, urban farmers have come up with many different ways to grow their own produce, even though there isn’t a lot of room. For example, Brooklyn Grange is a farming operation that has two rooftop vegetable farms in New York City. All together, the farms are made up of 2.5 acres of rooftop space. This makes Brooklyn Grange one of the largest rooftop

farming operations in the world.

Brooklyn Grange grows all kinds of things. The farming company sells its vegetables to local residents and restaurants. And because the farms are on rooftops, they are specially adapted to their urban location. They use available space that is not needed for anything else. As more urban farmers find ways to grow food in cities, urban residents will be better able to get fresher materials for their meals.

8. Which of t he following is Ms. Sullivan’s opinion according to the text?

A. The number of people living in cities is increasing slowly.

B. Urban residents still rely on food grown in rural areas completely.

C. Urban agriculture has a history as long as cities.

D. Urban agriculture can provide huge income.

9. What does the underlined word “they” in Paragraph 3 refer to?

A. Farmers.

B. City residents.

C. Rural residents.

D. Companies.

10. What can we learn about Brooklyn Grange in New York City from the text?

A. It has large farming areas.

B. It can only grow single products.

C. It produces enough food for citizens.

D. It makes use of rooftop space to grow vegetables.

11. What may be the best title for the text?

A. Farms in Cities

B. Future Food System

C. Food Grown in Cities

D. Agriculture of New York City

D

At your next meeting, wait for a pause in conversation and try to measure how long it lasts.

Among English speakers, chances are that it will be a second or two at most. But while this pattern may be universal, our awareness of silence differs dramatically across cultures.

What one culture considers a confusing or awkward pause may be seen by others as a valuable moment of reflection and a sign of respect for what the last speaker has said. Research

in Dutch (荷兰语) and also in English found that when a silence in conversation stretches to four seconds, people start to feel uneasy. In contrast, a separate study of business meetings found that Japanese people are happy with silences of 8.2 seconds—nearly twice as long as in Americans’ meetings.

In Japan, it is recognised that the best communication is when you don’t speak at all. It’s already a failure to understand each other by speaking because you’re repairing that failure by using words.

In the US, it may originate from the history of colonial (殖民地的) America as a crossroads of many different races. When you have a complex of difference, it’s hard to establish common understanding unless you talk and there’s understandably a kind of anxiety unless people are verbally engaged to establish a common life. This applies also to some extent to London.

In contrast, when there’s more homogeneity, perhaps it’s easier for some kinds of silence to appear. For example, among your closest friends and family it’s easie r to sit in silence than with people you’re less well acquainted with.

12. Which of the following people might have the longest silence in conversation?

A. The Dutch.

B. Americans.

C. The English.

D. The Japanese.

13. What might the Japanese agree with in conversation?

A. Speaking more gives the upper hand.

B. Speak out what you have in your mind.

C. Great minds think alike without words.

D. The shorter talking silence, the better.

14. What can we learn from the text?

A. A four-second silence in conversation is universal.

B. It’s hard for Americans to reach a common agreement.

C. English speakers are more talkative than Japanese speakers.

D. The closer we and our family are, the easier the silence appears.

15. What does the underlined word “homogeneity” in the last paragraph mean?

A. Similarity.

B. Contradiction.

C. Diversity.

D. Misunderstanding.

第二节(共5小题;每小题2分, 满分10分)

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

Travelling is a great way to interact with a culture which might be completely different from your own.

16 Before I moved to Sicily I had travelled around the whole of Italy, the south and the north, and I absolutely fell in love with the culture and the language so I was inspired to learn the language and also to move here. And here I am now, living in Sicily.

17 When you get back home you’ll have lots of stories to tell your friends and family. Even if something isn’t very fun, it will be funny to look back and laugh at those awkward or harsh moments. For example, I was travelling with a group of friends in Pisa and we took the wrong bus to get to the beach area, so we ended up being stuck in the rain and having to walk back.

When you travel you expose yourself to different people. 18 It’s a great learning experience for both you and the other person because you can share and exchange your own ideas and opinions on a range of topics. For example, I met an Iranian philosopher and we talked about the nature of magic. A lot of his ideas were shaped by his Iranian background and Iranian philosophy. 19

Travelling is the realisation of home. 20 Since I’ve been away from London, I’ve come to appreciate the little things that I used to take for granted, like our amazing transport—everything runs on time; everything runs well. So sometimes it takes being away from home to realise how much you absolutely love your hometown.

A. It was a really interesting discussion.

B. Travelling will make you a really good storyteller.

C. Travelling could enrich your awareness of the world.

D. They may have a completely different outlook on life.

E. We realize how much we miss our hometown when we travel.

F. Travelling might just convince you to move to another country.

G. Being away from home, we miss our friends and our family very much.

第二部分语言知识运用(共两节,满分45分)

第一节(共20小题;每小题1.5分,满分30分)

阅读下面短文,从短文后各题所给的A、B、C和D四个选项中,选出可以填入空白处的最佳选项。

My daughter had just turned five when I took her to go grocery shopping with me one day. There on 21 was the most beautiful toilet paper she had never seen, for it was pink. During 22 awareness month, the toilet paper company had made their product pink, with a part of each sale’s 23 helping the people in need. And my daughter simply had to have it. She 24 with her sweetest pretty-pleases. Of course I 25 her request, explaining that it was pink to 26 awareness of kindness and that 27 of the money we were paying was going towards helping others.

My little girl sat in the cart, holding her package of pink toilet paper. She could not contain her 28 and talked on and on about how 29 the rest of the family would be when she shared her 30 with them. On the way out, she retold to the cashier everything she could remember about the 31 of the colored toilet paper. Her passion spread among the other 32 , and several more packages 33 the checkouts that morning.

My daughter carried the tower of toilet paper into the house herself and dragged it upstairs, which was a great 34 considering the package stood as 35 as she did. That evening, I walked into the bathroom to find all the rolls 36 stored in the cupboard, in the shape of a 37 castle. She began in all seriousness as she ceremoniously (隆重地) 38 a half-used white roll on the holder with a new pink one, “39 I use it, I will remember to pray for all those people who are 40 right now.”

21. A. display B. television C. time D. purpose

22. A. science B. baby-care C. charity D. peace

23. A. goods B. procedures C. costs D. profits

24. A. cried B. begged C. lied D. challenged

25. A. refused B. ignored C. met D. avoided

26. A. represent B. raise C. teach D. sell

27. A. all B. none C. any D. some

28. A. excitement B. calmness C. nervousness D. patience

29. A. thrilled B. disappointed C. comfortable D. lucky

30. A. money B. idea C. treasure D. awareness

31. A. usage B. price C. misunderstanding D. meaning

32. A. families B. cashiers C. papermakers D. customers

33. A. got caught in B. went through C. broke into D. fell off

34. A. accomplishment B. independence C. responsibility D. expectation

35. A. large B. strong C. tall D. small

36. A. neatly B. disorderly C. surely D. naturally

37. A. lonely B. lovely C. different D. homely

38. A. compared B. combined C. replaced D. mixed

39. A. In case B. Now that C. Only if D. Every time

40. A. in common B in trouble C. in practice D. in silence

第二节(共10小题;每小题1.5分,满分15分)

阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。

As I share the experience of this kindness, I’m wearing my widest smile. I usually go to my workplace coffee shop to place 41 order but this Wednesday, it was 42 (slight) different. I called the four waiters, 43 (ask) them to make a choice of a drink and dessert and bought it for them instead. At first, they didn’t sense 44 was happening but when truth dawned, they 45 (surprise) and a bit embarrassed. However, I explained that it was an act

of 46 (appreciate) and they were truly deserving. This brought a “big” smile and a loud, “thank you”.

I had for a long time had a desire 47 (reach) out to them but my doubting mind had always had an upper hand. On this day too, I had 48 (thought) like, “What if they refuse?” “What if they say, they don’t like any of the food or drinks?” “What if this” and, “What if that,” but I decided to let go of the worries and listen 49 my heart.

Now, it was 50 (they) smiles that drew me to the coffee shop.

第三部分写作(共两节,满分35分)

第一节短文改错(共10小题;每小题1分,满分10分)

假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文。文中共有10处语言错误,每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。

增加:在缺词处加一个漏字符号(∧),并在其下面写出该加的词。

删除:把多余的词用斜线(\)划掉。

修改:在错的词下划一横线,并在该词下面写出修改后的词。

注意:1.每处错误及其修改均仅限一词;

2.只允许修改10处,多者(从第11处起)不计分。

Last Saturday, I, with a friend of mine, were having a picnic in a park when it began to rain heavily. We packed everything up rapid and were ready to leave. My friend, her hair was already wet, suddenly couldn’t move and speak. Her eye were rolling and she was about to lose consciousness. I was so frightening that I didn’t know how to do. Luckily, a woman on a bicycle appeared. Struggle with the rain, she managed to call an ambulance. My friend has recovered the next morning. I am so grateful for the woman. But I haven’t even got chance to thank her.

第二节书面表达(满分25分)

你的英国朋友Alice Bryant来信跟你谈论音乐的话题。请你根据以下要求,写一篇回信,谈谈你的看法。主要内容包括:

1.你喜欢的音乐;

2.你对音乐的看法。

注意:1.词数100左右;

2.可以适当增加细节,以使行文连贯。

广东省百校联盟2018届高三第二次联考

英语试题答案

阅读理解:

1-5 ADABB 6-10 CBCBD 11-15 ADCDA

七选五

16-20 FBDAE

完形填空:

21-25 ACDBC 26-30 BDAAC 31-35 DDBAC 36-40 ABCDB

语法填空:

41. an 42. Slightly 43. Asked 44 What 45. were surprised

46. appreciation 47. to reach 48. thoughts 49. to 50. their

短文改错:

51. were—was 52. rapid—rapidly 53. her—whose 54. eye—eyes55. frightening—frightened 56. how—what 57. Struggle—struggling 58.去掉has 59. for—to 60. got后加a

书面表达:

参考范文:

Dear Alice Bryan,

I’m glad you like music as me. To tell you the truth, I like almost all kinds of music. In order to relax from the pressure of study, I always listen to light music. My favourite music is popular music and I’m a fan to many famous singers. I also like classical music, both home and abroad. And I have also made a lot of friends because of music.

Different people have different ideas about music. Some people like classical music, some like rock and others like light music. Anyway, music can do much good too us. We can’t live without music!

Yours,

Li Hua

广东省百校联盟2018届高三第二次联考

广东省百校联盟2018届高三第二次联考 语文 一、现代文阅读(35分) (一)论述类文本阅读(本题共3小题,9分) 阅读下面的文字,完成1-3题。 徽学的学科及学术价值 尽管作为一门新兴的学科,徽学有一个被人们不断认识、熟悉、理解、接受和深化的过程。但是,首先必须明确其学科性质,确认其学科研究对象与研究主体。。 国学大师王国维曾经说过,“古来新学问兴起,大都由于新发现。有孔子壁中书出,而后有汉以来古文家之学;有赵宋古器出,而后有宋以来古器物、古文字之学”。他还论及了殷墟甲骨文、敦煌塞上及西域各地之间的简赎、敦煌千佛洞之六朝唐人所书卷轴、内阁大库之书籍档案和中国境内之古外族遗文等五项发现,认为:“此等发现物,合世界学者之全力研究之,当会产生新的学科。” 如今,甲骨学、敦煌学、简牍学和明清档案学早已创立了各自的学科研究体系,并为学术界所广泛接受和认可。而徽学作为一门新兴学科则形成较晚,它的创立,主要得力于20世纪40 年代后期以来至今徽州近50万件原始文书的大规模发现。加之有包括徽州族谱在内的9000 余种徽州典籍文献传世,可供与文书契约互相参证。现存8000余处徽州地面文化遗存,更是明清以来至民国时期徽州人生产与生活的真实见证。所有这些,都构成了徽学这座大厦坚实的学术支撑。因此,以徽州社会经济史特别是明清徽州社会经济史研究为中心,整体研究徽州历史文化和徽人在外地活动的徽学,正是建立在包括徽州文书在内的大量新

资料的发现这一基础之上的。 徽学研究的意义在于,它是以徽州文书为中心,结合其他文献和地面文化遗存等资料,综合研究明清社会实态,以重新反省和认识中国封建社会后期社会经济与文化发展的历程,并从整体上把握中国封建社会发展的脉络和规律。这正是徽学的学术价值之所在。 因此,徽学研究的内容与对象尽管涉及各个领域和方面,具有一定的综合性特征,但就学科性质而言,应当隶属于历史学研究范畴。徽学是以历史学科为主、多学科交叉的专门史研究的学科。 自上个世纪90年代起,部分学者将徽学与敦煌学和藏学并提,称之为“中国三大地方学”,甚至是“三大地方显学”。这其实是误解了敦煌学和藏学的学科性质,同时对徽学的认识肢浅所导致的。应当指出的是,徽学研究的任务远非徽州地方史所能担当,徽学研究的性质亦非徽州地方学,更遑论敦煌学与藏学从未称自己为地方学。徽学实际上是以更宏大的背景、更广阔的视野,从整体史的角度,来考量和审视中国封建社会后期社会经济、历史与文化发展。 徽学是20世纪一门新兴的学科和专门的研究领域,徽学所研究的徽州整体历史文化既是区域历史文化,又是中国传统文化的杰出代表,是“小徽州”和“大徽州”的有机结合。徽学的学科建设,不仅关系到徽学的可持续发展问题,也直接涉及中国地域文化研究理论和范式的创新问题,是徽学融入全球化视野,与国际接轨、开展国际交流合作和构建徽学学科平平台的重要基石。因此,徽学一定要从包括敦煌学、藏学在内的较为成熟的相关学科建设中汲取营养,以整体史的视野,构建严密而科学的徽学理论体系,这是徽学健康发展和走向世界的基本前提。 (摘自卞利《徽学:20世纪一门新兴的学科》〉 1.下列关于原文内容的理解和分析,正确的一项是(3分)

2019届广东省高三“六校联盟”第四次联考理综物理

秘密★启用前试卷类型:A 2019届广东省高三“六校联盟”第四次联考 理科综合 二、选择题:本题共8小题,每小题6分。在每小题给出的四个选项中,第14~17题只有一项符合题目要求,第18~21题有多项符合题目要求。全部选对的得6分,选对但不全的得3分,有选错的得0分。 14.下列说法正确的是() A. 卢瑟福通过α粒子散射实验,发现了中子 B. 按照玻尔理论,氢原子核外电子从半径较大的轨道跃迁到半径较小的轨道时,电子的 动能增大,原子总能量减少 C. β衰变中产生的β射线是原子核外电子挣脱原子核束缚之后形成的电子束 D. 氡的半衰期为3.8天,8个氡的原子核,经过7.6天只剩下2个氡原子核 15、如图所示,一束质量、速度和电荷量不全相等的离子,经过由正交的匀强电场和匀强磁场组成的速度选择器后,进人另一个匀强磁场中并分裂为A、B两束,下列说法中正确的是() A.组成A束和B束的离子都带负电 B.A束离子的比荷大于B束离子的比荷 C.组成A束和B束的离子质量一定不同 D.速度选择器中的磁场方向垂直于纸面向外 16、如图所示,小球从离地高为H的位置A由静止释放,从C点切入半圆轨道后最多能上升到离地面高为h的B位置.再由B位置下落,再经轨道由C点滑出到离地高为h′的位置.速度减为零,不计空气阻力,则()

A.H-h>h-h′ B.H-h

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理综试题
命题:合肥一六八中学
考试时间:150 分钟 分值:300 分
可能用到的相对原子质量:H:1 C:12 O:16 Cl:35.5 Cu:64
第Ⅰ卷 (选择题 共 126 分)
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A.核糖体是细菌、噬菌体、酵母菌唯一共有的细胞器
B.线粒体是进行有氧呼吸的主要场所,在其中生成的产物有丙酮酸、二氧化碳和水等
C.叶绿体是细胞进行光合作用的必需结构,其中含有少量 DNA 和 RNA
D.在植物细胞有丝分裂的末期,细胞中的高尔基体活动增强
2.下列有关生物科学研究方法的叙述正确的是(

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C.萨克斯通过对照实验证明光合作用的产物中有葡萄糖
D.赫尔希和蔡斯通过噬菌体侵染细菌的实验证明了 DNA 是主要的遗传物质
3.下列有关细胞的物质输入和输出的说法中正确的是( )
A.只有大分子物质才能通过胞吞或胞吐的方式进出细胞
B.同种离子进出所有细胞的跨膜运输方式是相同的
C.土壤板结会影响植物根部细胞转运某些离子的速率
D.当植物细胞内外存在浓度差时,细胞就会发生质壁分离或复原
4.某常染色体隐形遗传病在人群中发病率为 1%,色盲在男性中发病率为 7%,现有一对
表现正常的夫妇,妻子为该常染色体遗传病致病基因和色盲致病基因携带者。那么他们
所生男孩同时患上上述两种遗传病的概率是(

A.1/24
B.1/44
C.1/88
D.7/2200
5.自然种群的增长一般呈“S”型。假设某自然种群的数量为 N,环境容纳量为 K,S1-S5
是“S”型曲线上的 5 个点。根据下表所示数据,有关说法错误的是(

曲线上的点 S1 S2 S3 S4 S5
种群数量 20 50 100 150 180
(K-N)/K 0.90 0.75 0.50 0.25 0.10
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【安徽二模】安徽六校2018届高三第二次联考文科数学(文数)

安徽六校2018届高三第二次联考数学(文) 一、选择题: 1.设复数z满足,则=() A. 1 B. 5 C. D. 2 2.已知向量=(1,2),向量=(3,-4),则向量在向量方向上的投影为() A. -2 B. -1 C. 0 D. 2 3. 已知集合则=() A. R B. C. D. 4.已知变量x,y成负相关,且由观测数据算得样本平均数,则由该观测数据算得的线性回归方程可能是() A. y=-0.4x+2.3 B. y=-2x+2.4 C. y=-2x+9.5 D. y=-0.4x+4.4 5.函数的大致图象为( ) A. B. C. D. 6.某几何体的三视图如下图,其正视图中的曲线部分为半圆,则该几何体的表面积为()A.(19+π)cm2 B.(22+4π)cm2 C.(10+6+4π)cm2 D.(13+6+4π)cm2 7.若是数列的前n项和,,则是( ) A.等比数列,但不是等差数列 B.等差数列,但不是等比数列 C.等差数列,而且也是等比数列 D.既非等数列又非等差数列 8.已知MOD函数是一个求余函数,记MOD(m,n)表示m除以n的余数,例如MOD(8,3)=2.右图是某个算法的程序框图,若输入m的值为48时,则输出i的值为()

A. 7 B. 8 C. 9 D. 10 9.如图所示,水平地面上有一个大球,现作如下方法测量球的大小:用一个锐角为60°的三角板,斜边紧靠球面,一条直角边紧靠地面,并使三角板与地面垂直,P为三角板与球的切点,如果测得PA=5,则球的表面积为() A. 300π B. 100 C. 200π D. 200 10.若不等式组所表示的平面区域内存在点(x0,y0),使x0+ay0+2≤0成立,则实数a的取值范围是(). A. [-1,+∞) B. (-∞,-1] C. (-∞,1] D. [1, +∞) 11.《九章算术》是我国古代内容极为丰富的数学名著,书中将底面为 直角三角形的直棱柱称为堑堵,将底面为矩形的棱台称为刍童.在如图 所示的堑堵ABM-DCP与刍童ABCD-A1B1C1D1的组合体中AB =AD ,A1B1=A1D1.台体体积公式:,其中S’,S 分别为台体上、下底面面积,h为台体高.若AB=1,A1D1=2,, 三棱锥A-ABD的体积V=,则该组合体的体积为(). A.11 3 B.17 3 C.2 3 D.5 3 12.,g(x)= ,若不论x2 取何值,f(x1)>g(x2 )对任意

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