精英家教网 > 高中英语 > 题目详情

Number  sense is not the ability to count. It is the ability to recognize a   1  in number. Human beings are born with this ability. 2 ,experiments show that many animals are, too. For example, many birds have good number sense. If a nest has four eggs and you remove one, the bird will not  3 . However, if you remove two, the bird 4 leaves. This means that the bird knows the  5  between two and three.

Another interesting experiment showed a bird's 6 number sense. A man was trying to take a photo of a crow(乌鸦)that had a nest in a tower, but the crow always left when she saw him coming. The bird did not 7 until the man left the tower. The man had an 8 .He took another man with him to the tower. One man left and the other stayed, but they did not 9 the bird. The crow stayed away until the second man left, too. The experiment was  10 with three men and then with four men. But the crow did not return to the nest until all the men were 11 .It was not until five men went into the tower and only four left that they were 12 able to fool the crow.

How good is a human's number sense? It's not very good. For example, babies about fourteen months old almost always notice if something is taken away from a  13 group. But when the number goes beyond three or four, the children are 14  fooled.

It seems that number sense is something we have in common with many animals in this world, and that our human 15 is not much better than a crow's.

1. A. rise        B. pattern              C. change           D. trend

2. A. Importantly  B. Surprisingly  C. Disappointedly D. Fortunately

3. A. survive         B. care         C. hatch     D. notice

4. A. generally        B. sincerely   C. casually      D. deliberately

5.A. distance       B. range     C. different      D. interval

6.A. amazing       B. annoying      C. satisfying  D. disturbing

7. A. relax          B. recover       C. react     D. return

8. A. appointment     B. excuse       C. idea      D. explanation

9. A. fool           B. hurt      C. catch     D. kill

10.A. repo              B. repeated   C. designed   D. approved

11.A. confused       B. gone     C. tired      D. drunk

12.A. gradually       B. luckily    C. strangely  D. finally

13.  A. single        B. small     C. local     D. new

14. A. seldom        B. temporarily C. merely    D. often

15. A. sight          B. nature    C. ability     D. belief

 {语篇解读}:

本文是一篇说事理性的说明文,篇章模式为总-分-分-总的结构。第一段提出话题,说明什么是数字感,并通过拿鸟类作为例子说明,不仅人类与生俱来都有这种数字感,而且动物也有;第二段运用一个人想对一只乌鸦进行拍照的另一个有趣的例子来进一步鸟类的神奇的数字的分辨力;第三段,以一个婴儿为例说明人类的数字感并不是很好;最后一段为结论段,重申主题:人类和许多动物一样都有数字感,而且人类的这种能力不比乌鸦好多少。

{篇章结构}:

段落

关键词

大意推测

第一部分(para.1)

Number sense… is the ability to recognize a  1 C (change)   in number. Human beings are born with this ability; …many animals are, too. the bird knows the 5 C   between two and three.

数字感是辨别数字改变的能力。动物和人类一样,与生俱来都具有这样的能力:鸟类可以识别两和三的区别。

第二部分(para.2)

experiment showed a bird’s  6 A  number sense. it was not until five men went into the tower and only four left that they were  12 D   able to fool the crow.

一项实验证明,鸟类具有数字感:鸟类对于小的数字有数字感,对于大数字则不太好:五个人时,只有四个人离开时,乌鸦终于被搞糊涂了。

第三部分(para.3)

How good is a human’s number sense? ...not very good. But when the number goes beyond three or four…are  14 D. often  fooled.

人类的数字感:同样不是特别好。数字超过三或四时,常会出错。

第四部分(para.4)

number sense is something we have in common with many animals...human  15 C. ability  is not much better than a crow’s

结论:数字感是人类和很多动物共同具有的能力,人类的这种能力不比乌鸦更强。

【答案解析】

1. C。根据下文的“remove one/two”语义提示可知,这里是把数字发生变化;四个选项分别为:A“上升”,B“图案”,C“改变”,D“趋势”,由此可知本句含义为“数字感是分辨数字变化的能力”,故C为正确答案。

2. B。根据上下文的语境可知,分别说到“人类与生俱来具有这种能力(分辨数字变化的能力)”和“很多鸟类也有很好的数字感。”,运用逻辑推断可知,这里表示这是“令人惊讶的是”,四个选项分别为:A“重要的是”,B“令人惊讶的是”,C“令人失望的是”,D“幸运的是”;所以答案为B。

3. D。根据上文第一句的“recognize”和下文的“knows the   5   ”语义提示可知,这是这二个词的同义词复现,本句句义为:如果一个鸟窝里有四颗鸟蛋,你拿走一个,鸟儿就会发现。A“生存下来”,B“关心”,C“孵(蛋)”均不符合语境。

4. A。根据常识判断,这里要表达的意思是:如果取走两颗鸟蛋时,鸟类在通常情况下会离开(飞走)。四个选项分别为:A“通常,一般情况下”,B“真诚地”,C“随意地”,D“故意地,有意地”。

5. C。根据上文说到的“拿走一个和二个鸟蛋时,鸟的反应和表现”的语义提示可知,这些都是属于difference的范畴。而且这里的difference与第二句中的change形成同义词复现的关系;四个选项分别为:A“距离”,B“范围”,C“不同,区别”,D“间隙(时段)”。本句句义为:这说明鸟类知道二和三的区别。

6. A。根据上下文的语义提示可知,这里要表达的意思是:另一个有意思的实验也显示了鸟类的这种令人惊奇的数字感。故答案为A。amazing与第四句空格2“Surprisingly(令人吃惊或惊奇的是)”构成同义词的复现关系。

7. D。根据下文第十一空前“not return to the nest”的语义提示可知答案,四个选项的含义分别为:A“放松”,B“恢复”,C“反应”,D“返回,归还”。本句句义为:这只鸟直到那个人离开那座塔之后才离开。事实上这里的return与上句中的left形成反义词的复现关系。

8. C。根据上下文的语境可知,这个人第一种方法行不通,所以这里再用另一方法,由此运用逻辑推断可知,这里要表达的意思是:这个人有(或想出)了一个主意,四个选项的含义分别为:A“失望”,B“借口”,C“主意,想法”,D“解释”。根据语境,下文讲了他的具体做法。A、B和D都不符合,C为正确答案:先有了想法或主意,然后是具体的行为。

9. C。根据上下文的语境可知,他们只是在做实验,根据常识并运用逻辑推断可知他们不是要抓(catch)乌鸦。其他三项A“愚弄”,B“伤害”,D“杀死”均不太符合语境。

10. B。根据上下文的语义提示可知,本句讲了实验的进展:他们又先后用三个人和四个人重复做了实验。并在下句交代了实验的结果:但是乌鸦都是等到所有人(离开)后才回巢。

四个选项的含义分别为:A“报道”,B“重复”,C“设计”,D“通过”。根据语境,

11.B。根据语义提示可知,gone与上文(本段)的left,return,left,left多次构成同义词或反义词的复现关系。所以答案选B项。句意为表示两次实验的结果:但是乌鸦都是等到所有人(离开)后才回巢。故答案为B“离开”。其他选项的含义分别为:A“感到困惑”,C“感到很累”,D“喝醉了酒”。

12.D。根据上下文语境并运用逻辑推断可知,本句以强调句的形式交代了,最后的一次实验及实验结果:直到五个人进入到塔中,只有四个人离开时,他们才最终把乌鸦给搞糊涂了/愚弄了乌鸦。其他错误选项的含义分别为:A“逐渐地”,B“幸运地”,“奇怪地”。

13.B。根据本段语境并结合常识可知,前两句在说:人类的数字感觉也不是非常好。再根据大语境,全文一直在讲,对于鸟类在小数字变换时的数字分辨能力的实验。显然可以推出本句句义为:例如,当从一个很小的一组东西中拿走一些时,十四个月大的婴儿几乎总是能够注意到(这个变化)。故答案为B。其他错误选项的含义分别为:A“单一的”,B“当地的”,D“新的”。 这里的small与以上的数字均形成具体与概括的复现关系。

14. D。根据语义提示可知,这里的often与第三句中的almost形成近义词复现关系。四个选项的含义分别为:A“很少”,B“临时”,C“只有”,D“常常”。根据语境与行文逻辑,本句句义为:但是当数字超过三或者四时,婴儿们通常会被搞糊涂。

15. C。根据上文的语义提示可知,这里的ability与首段的ability形成相同词的复现关系。文章末段与首段开甩语义照应上的前后照应的关系。四个选项的含义分别为:A“视力,看见”,B“本质,天性,内在”,C“能力”,D“信仰,相信”。本段为结论段,根据语境,本句句义为:(好像数字感是我们与世界上的许多动物都具备的能力,而且)我们人类的这种能力不比乌鸦更强。

练习册系列答案
相关习题

科目:高中英语 来源:英语教研室 题型:050

  In 1931, it was discovered that some unknown substance present only in certain foods was necessary for good health. This substance was what is now called “Vitamin A”.

  Vitamin A's biggest job is to keep the eyes going. Without it, people and animals get “night blindness” and eye problems. Lack of Vitamin A for a long time can even cause total blindness, particularly among children. This had a chance to be tested in Denmark during World Was I. Because of food shortage, many children had to eat man-made butter and skim milk(脱脂奶), which contains no Vitamin A. Soon, they developed eye diseases. It was after they were given real butter and whole milk that they had no eye problems.

  After Vitamin A was discovered, it took more than thirty years of experiments for scientists to be able to get a small amount of pure Vitamin A. Vitamin A is manufactured and is used successfully to treat a number of diseases. You can easily get enough Vitamin A by eating a variety of food. Good sources of Vitamin A are liver(肝脏) from some animals and dairy products such as milk and cream. Not only many vegetables contain carotene(胡萝卜素), from which your liver can make its own Vitamin A, some fruits also provide carotene which helps your liver to supply Vitamin A. As long as you are getting Vitamin A from food you won't need to take any extra in the form of liquid or pills.

(1)According to the passage, if Vitamin A is not provided enough, which of the following are likely to be affected most se riously?

[  ]

A.Adults.
B.Animals
C.Children.
D.Plants.

(2) Vitamin A is a very. important substance mainly because it _______.

[  ]

A.is hard to made

B.helps to keep one's eyes healthy

C.can make butter more delicious

D.can not be produced in large quantity

(3) What made the children in Denmark get eye diseases during World War I?

[  ]

A.The war they experienced.

B.Their poor housing conditions.

C.The experiments on food.

D.The lack of Vitamin A in their food.

(4) According to the text, the following are all good sources of Vitamin A except _______.

[  ]

A.animal liver
B.flour
C.vegetables
D.milk

(5) Which of the following could be the best title of the passage?

[  ]

A.The Discovery of Vitamin A.
B.Some Unknown Substance.
C.Sources for Vitamin A.
D.Vitamin A.

查看答案和解析>>

科目:高中英语 来源:广东省深圳高级中学2012届高三第一次测试英语试题 题型:050

阅读理解

  Ten years ago, Pierre Omidyar, a software engineer working in California’s Silicon Valley, began thinking about how to use the internet for a trading system in which buyers and sellers could establish a genuine market price.Over a long holiday weekend he wrote the computer code.At first, a trickle of users arrived at his website-including his girlfriend, who traded PEZ candy dispensers.By the end of 1995, several thousand auctions had been completed and interest in eBay was growing.And it grew and grew.From this modest beginning, eBay has become a global giant, with around 150m registered users worldwide who are set to buy and sell goods worth more than $40 billion this year.

  The remarkable tale of eBay’s growth points to some important lessons for any business trying to operate online-and today that includes, one way or another, most firms.The commercial opportunities presented by an expanding global web seem almost limitless.But the pace of change is rapid, and so is the ferocity of competition.To succeed, firms need agility, an open mind and the ability to reinvent themselves repeatedly.Most of all, they need to listen carefully to their customers, paying close attention to what they do and don’t want.

  Such qualities, of course, would be valuable in any kind of business.Yet for online firms they are not a luxury, but necessary for mere survival.This is true for a variety of reasons.The internet is not only growing, but changing rapidly-which, in turn, changes the rules of the game for any business relying on it.The barriers to entry are still low compared with those for most offline businesses, which means that just keeping track of your existing rivals is not enough.These may not represent the greatest competitive threat tomorrow or the next day.That could come from a number of directions-a firm in a different type of online business; one that does not yet exist; or even from one of your own customers.On top of all this, the behavior of many consumers is constantly changing as well, as individuals discover new ways to shop and interact with each other via the web.

  All these factors make the internet a dangerous place to do business, as well as one full of promise.eBay’s history demonstrates both of those things.It is probably safe to say that nothing like eBay could have existed without the internet-or could have grown so fast.Even though there have been signs of the firm’s blistering pace slowing a bit in America, its most “mature” market, there remain vast opportunities overseas, particularly, some argue, in China.Meg Whitman, eBay’s chief executive, believes the company is still only at the beginning of what it could achieve.

(1)

What is the purpose of the first paragraph?

[  ]

A.

To introduce the founder of eBay and his girlfriend.

B.

To demonstrate how clever the founder of eBay is.

C.

To show how eBay started and has grown.

D.

To introduce eBay to people.

(2)

Which of the following best summarizes Pierre Omidyar’s intention with regard to eBay?

[  ]

A.

To set up a global internet business.

B.

To allow people to freely buy and sell on the internet at acceptable prices.

C.

To set up a mechanism on the internet to allow people to trade at true market prices.

D.

To se up a business mechanism for his girlfriend.

(3)

Which of these is it NOT necessary for a company selling on the internet to do?

[  ]

A.

Have the most competitive price for each of their online products.

B.

Be able to change to suit the prevailing market conditions.

C.

Be prepared to consider all options and alternatives.

D.

Have a good idea of what their customers do not want.

(4)

What does “barriers to entry are still low compared with those for most offline businesses” in paragraph 3 mean?

[  ]

A.

It is easier to set up an internet business than a conventional one.

B.

Internet trade is growing faster than traditional business sector.

C.

It is cheaper to set up an internet business than a traditional one.

D.

Companies generally prefer to do business online rather than offline.

(5)

Why does the article conclude that the internet “is a dangerous place to do business”?

[  ]

A.

Because companies that sell online may be unreliable.

B.

Because there are no controls on doing business on the internet.

C.

Because doing business online is unpredictable.

D.

Because even companies like eBay have problems doing business online.

查看答案和解析>>

科目:高中英语 来源:福建省南安一中2012届高三上学期期中考试英语试题 题型:050

阅读理解

  Ten years ago, Pierre Omidyar, a software engineer working in California's Silicon Valley, began thinking about how to use the internet for a trading system in which buyers and sellers could establish a genuine market price.Over a long holiday weekend he wrote the computer code.At first, a trickle of users arrived at his website-including his girlfriend, who traded PEZ candy dispensers.By the end of 1995, several thousand auctions had been completed and interest in eBay was growing.And it grew and grew.From this modest beginning, eBay has become a global giant, with around 150m registered users worldwide who are set to buy and sell goods worth more than $40 billion this year.

  The remarkable tale of eBay's growth points to some important lessons for any business trying to operate online-and today that includes, one way or another, most firms.The commercial opportunities presented by an expanding global web seem almost limitless.But the pace of change is rapid, and so is the ferocity(激烈)of competition.To succeed, firms need agility(灵活), an open mind and the ability to reinvent themselves repeatedly.Most of all, they need to listen carefully to their customers, paying close attention to what they do and don't want.

  Such qualities, of course, would be valuable in any kind of business.Yet for online firms they are not a luxury, but necessary for mere survival.This is true for a variety of reasons.The internet is not only growing, but changing rapidly-which, in turn, changes the rules of the game for any business relying on it.The barriers to entry are still low compared with those for most offline businesses, which means that just keeping track of your existing rivals is not enough.These may not represent the greatest competitive threat tomorrow or the next day.That could come from a number of directions-a firm in a different type of online business; one that does not yet exist; or even from one of your own customers.On top of all this, the behavior of many consumers is constantly changing as well, as individuals discover new ways to shop and interact with each other via the web.

  All these factors make the internet a dangerous place to do business, as well as one full of promise.eBay's history demonstrates both of those things.It is probably safe to say full of promise.eBay could have existed without the internet-or could have grown so fast.Even though there have been signs of the firm's blistering(快速的)pace slowing a bit in America, its most “mature” market. there remain vast opportunities overseas, particularly, some argue, in China.Meg Whitman, eBay's chief executive, believes the company is still only at the beginning of what it could achieve.

(1)

What is the purpose of the first paragraph?

[  ]

A.

To introduce the founder of eBay and his girlfriend.

B.

To demonstrate how clever the founder of eBay is.

C.

To show how eBay started and has grown.

D.

To introduce eBay to people.

(2)

Which of the following best summarizes Pierre Omidyar's intention with regard to eBay?

[  ]

A.

To set up a global internet business.

B.

To allow people to freely buy and sell on the internet at acceptable prices.

C.

To set up a mechanism on the internet to allow people to trade at true market prices.

D.

To se up a business mechanism for his girlfriend.

(3)

Which of these is it NOT necessary for a company selling on the internet to do?

[  ]

A.

Have the most competitive price for each of their online products.

B.

Be able to change to suit the prevailing(流行的,优势的)market conditions.

C.

Be prepared to consider all options and alternatives.

D.

Have a good idea of what their customers do not want.

(4)

What does “barriers to entry are still low compared with those for most offline businesses” in paragraph 3 mean?

[  ]

A.

It is easier to set up an internet business than a conventional one.

B.

Internet trade is growing faster than traditional business sector.

C.

It is cheaper to set up an internet business than a traditional one.

D.

Companies generally prefer to do business online rather than offline.

(5)

Why does the article conclude that the internet “is a dangerous place to do business”?

[  ]

A.

Because companies that sell online may be unreliable.

B.

Because there are no controls on doing business on the internet.

C.

Because doing business online is unpredictable.

D.

Because even companies like eBay have problems doing business online.

查看答案和解析>>

科目:高中英语 来源:广东省深圳高级中学2011-2012学年高二上学期期末英语试题 题型:050

阅读理解

  Ten years ago, Pierre Omidyar, a software engineer working in California’s Silicon Valley, began thinking about how to use the internet for a trading system in which buyers and sellers could establish a genuine market price.Over a long holiday weekend he wrote the computer code.At first, a trickle(细流)of users arrived at his website-including his girlfriend, who traded PEZ candy dispensers.By the end of 1995, several thousand auctions had been completed and interest in eBay was growing.And it grew and grew.From this modest beginning, eBay has become a global giant, with around 150m registered users worldwide who are set to buy and sell goods worth more than $40 billion this year.

  The remarkable tale of eBay’s growth points to some important lessons for any business trying to operate online-and today that includes, one way or another, most firms.The commercial opportunities presented by an expanding global web seem almost limitless.But the pace of change is rapid, and so is the ferocity(残暴)of competition.To succeed, firms need agility, an open mind and the ability to reinvent themselves repeatedly.Most of all, they need to listen carefully to their customers, paying close attention to what they do and don’t want.

  Such qualities, of course, would be valuable in any kind of business.Yet for online firms they are not a luxury, but necessary for mere survival.This is true for a variety of reasons.The internet is not only growing, but changing rapidly-which, in turn, changes the rules of the game for any business relying on it.The barriers to entry are still low compared with those for most offline businesses, which means that just keeping track of your existing rivals is not enough.These may not represent the greatest competitive threat tomorrow or the next day.That could come from a number of directions-a firm in a different type of online business; one that does not yet exist; or even from one of your own customers.On top of all this, the behavior of many consumers is constantly changing as well, as individuals discover new ways to shop and interact with each other via the web.

  All these factors make the internet a dangerous place to do business, as well as one full of promise.eBay’s history demonstrates both of those things.It is probably safe to say that nothing like eBay could have existed without the internet-or could have grown so fast.Even though there have been signs of the firm’s rapid pace slowing a bit in America, its most “mature” market, there remain vast opportunities overseas, particularly, some argue, in China.Meg Whitman, eBay’s chief executive, believes the company is still only at the beginning of what it could achieve.

(1)

What is the purpose of the first paragraph?

[  ]

A.

To introduce the founder of eBay and his girlfriend.

B.

To demonstrate how clever the founder of eBay is.

C.

To show how eBay started and has grown.

D.

To introduce eBay to people.

(2)

Which of the following best summarizes Pierre Omidyar’s intention with regard to eBay?

[  ]

A.

To set up a global internet business.

B.

To allow people to freely buy and sell on the internet at acceptable prices.

C.

To set up a mechanism on the internet to allow people to trade at true market prices.

D.

To se up a business mechanism for his girlfriend.

(3)

Which of these is NOT necessary for a company selling on the internet to do?

[  ]

A.

Have the most competitive price for each of their online products.

B.

Be able to change to suit the prevailing market conditions.

C.

Be prepared to consider all options and alternatives.

D.

Have a good idea of what their customers do not want.

(4)

What does “barriers to entry are still low compared with those for most offline businesses” in paragraph 3 mean?

[  ]

A.

It is easier to set up an internet business than a conventional one.

B.

Internet trade is growing faster than traditional business sector.

C.

It is cheaper to set up an internet business than a traditional one.

D.

Companies generally prefer to do business online rather than offline.

(5)

Why does the article conclude that the internet “is a dangerous place to do business”?

[  ]

A.

Because companies that sell online may be unreliable.

B.

Because there are no controls on doing business on the internet.

C.

Because doing business online is unpredictable.

D.

Because even companies like eBay have problems doing business online.

查看答案和解析>>

同步练习册答案