We’ve used the wind as an energy source for a long time. The Babylonians and Chinese were using wind power to pump water for irrigating crops 4,000 years ago, and sailing boats were around long before that. Wind power was used in the Middle Ages, in Europe, to grind(磨碎) corn, which is where the term “windmill” comes from.

We can use the energy in the wind by building a tall tower, with a large propellor(螺旋桨) on the top. The wind blows the propellor round, which turns a generator to produce electricity. We tend to build many of these towers together, to make a “wind farm” and produce more electricity. The more towers, the more wind, and the larger the propellors, the more electricity we can make. It’s only worth building wind farms in places that have strong, steady winds, although boats and caravans(大篷车)increasingly have small wind generators to help keep their batteries charged.

The best places for wind farms are in coastal areas, at the tops of rounded hills, open plains and gaps in mountains — places where the wind is strong and reliable. Some are offshore. To be worthwhile, you need an average wind speed of around 25 km/h. Most wind farms in the UK are in Cornwall or Wales. Isolated places such as farms may have their own wind generators. In California, several “wind farms” supply electricity to homes around Los Angeles.

The propellors are large, to obtain energy from the largest possible volume of air. The blades can be angled to cope with varying wind speeds. Some designs use vertical turbines (垂直涡轮机), which don’t need to be turned to face the wind. The towers are tall, to get the propellors as high as possible, up to where the wind is stronger. This means that the land beneath can still be used for farming. 

The first paragraph aims to introduce to us _______.

A. the function of wind power                     B. the source of wind power

C. the nations using wind power                     D. the history of using wind power

The best places for building the wind farm are places where _______.

A. boats and caravans can often be seen      B. isolated farms don’t have enough electricity

C. there are less human activities                 D. the wind is strong and reliable

We can infer from the passage that _______.

A. wind farms will not take up too much farming land

B. wind farms need no fuel because wind is free

C. the blades can be angled to turn to face the wind wherever it comes from

D. the higher and larger the towers are, the stronger the wind is

What can be a suitable title for the passage?

A. Where to build a wind farm.                 B. ABC of the using of wind energy.

C. How to make best use of wind.              D. Wind energy is the best energy.

The underlined sentence in the last paragraph means______________________.

A. The blades can increase wind speeds   

B. The blades can decrease the wind speeds

C. The speed of blades can be changed.

D. The blades can be adjusted to face different wind speeds

We've used the wind as an energy source for a long time. The Babylonians and Chinese were using wind power to pump water for irrigating crops 4,000 years ago, and sailing boats were around long before that. Wind power was used in the Middle Ages, in Europe, to grind(磨碎) corn, which is where the term "windmill" comes from.

We can use the energy in the wind by building a tall tower, with a large propellor on the top. The wind blows the propellor round, which turns a generator to produce electricity. We tend to build many of these towers together, to make a "wind farm" and produce more electricity. The more towers, the more wind, and the larger the propellors, the more electricity we can make. It's only worth building wind farms in places that have strong, steady winds, although boats and caravans(大篷车)increasingly have small wind generators to help keep their batteries charged.

The best places for wind farms are in coastal areas, at the tops of rounded hills, open plains and gaps in mountains—places where the wind is strong and reliable. Some are offshore. To be worthwhile, you need an average wind speed of around 25 km/h. Most wind farms in the UK are in Cornwall or Wales. Isolated places such as farms may have their own wind generators. In California, several “wind farms” supply electricity to homes around Los Angeles.

The propellors are large, to obtain energy from the largest possible volume of air. The blades can be angled to cope with varying wind speeds. Some designs use vertical turbines(垂直涡轮机), which don't need to be turned to face the wind. The towers are tall, to get the propellors as high as possible, up to where the wind is stronger. This means that the land beneath can still be used for farming. 

The first paragraph aims to introduce to us _______.

A. the function of wind power               B. the source of wind power

C. the nations using wind power             D. the history of using wind power

How does a wind power work?

A. The generator turns the propellor blades and produce electricity.

B. The tall tower helps turn the energy in the air into electricity.

C. Warm air rises and makes the propellor move round.

D. The propellor blown round by wind turns the generator to produce electricity.

The best places for building the wind farm are places where _______.

A. boats and caravans can often be seen         B. isolated farms don’t have enough electricity

C. there are less human activities          D. the wind is strong and reliable

We can infer from the passage that _______.

A. wind farms will not take up too much farming land

B. wind farms need no fuel because wind is free

C. the blades can be angled to turn to face the wind wherever it comes from

D. the higher and larger the towers are, the stronger the wind is

What can be a suitable title for the passage?

  A. Where to build a wind farm.            B. ABC of the using of wind energy.

  C. How to make best use of wind.          D. Wind energy is the best energy.


B
Wild animals seem to have escaped the Indian Ocean tsunami (海啸), adding weight to ideas they possess a “sixth sense” for disasters, experts said on Thursday. Sri Lanka wildlife officials have said the giant waves that killed over 24,000 people along the Indian Ocean Island's coast seemingly missed wild beasts, with no dead animals found.
“No elephants are dead, not even a dead hare or rabbit. I think animals can sense disaster. They have a sixth sense. They know when things are happening,” H. D. Ratnayake, deputy director of Sri Lanka’s Wildlife Department said on Wednesday.
The waves washed floodwaters up to 3 km (2 miles) inland at Yala National Park in the southeast, Sri Lanka's biggest wildlife reserve (自然保护区) and home to hundreds of wild elephants. “There has been a lot of evidence about dogs barking or birds migrating before volcanic eruptions or earthquakes. But it has not been proved,” said Matthew van Lierop, an animal behaviour specialist at Johannesburg Zoo. “There have been no specific studies because you can't really test it in a lab or field setting,” he said.
Other authorities agreed with this conclusion. “Wildlife seems to be able to pick up certain phenomenon, especially birds. There are many reports of birds detecting coming disasters,” said Clive Walker, who has written several books on African wildlife.
Animals certainly rely on the known senses such as smell or hearing to avoid danger such as predators(食肉动物). The idea of an animal “sixth sense” is a lasting one that the evidence on Sri Lanka's damaged coast is likely to add to. ?
60. This passage is mainly about_______.
A. the damage that was caused in the Indian Ocean tsunami
B. why animals can save themselves from natural disasters
C. how to protect the wildlife when disaster happens
D. the different opinions about animals’ natural power
61. Which of the following is true according to the passage?
A. It has been proved that animals have a sixth sense.
B. Research has been made on the special movements of animals before disasters.
C. It's generally considered that animals can sense the coming of disasters.
D. It can be tested that animals have the known sense to escape from the disasters.
62. What does the term “sixth sense” in the passage mean?
A. It is the natural ability of animals that can't save them from danger.
B. It is the animal's imagination in the brain.
C. It is some hidden power to say in advance that something will happen.
D. It is a kind of sense that is the same as smell or hearing.
63. Which section does the passage most probably appear in a newspaper?
A. Entertainment.     B. Discovery.          C. Future.          D. Culture.

Mark Twain has been called the inventor of the American novel. And he surely deserves additional praise: the man who popularized the clever literary attack on racism.
I say clever because anti-slavery fiction had been the important part of the literature in the years before the Civil War. H. B. Stowe’s Uncle Tom’s Cabin is only the most famous example. These early stories dealt directly with slavery. With minor exceptions, Twain planted his attacks on slavery and prejudice into tales that were on the surface about something else entirely. He drew his readers into the argument by drawing them into the story.
Again and again, in the postwar years, Twain seemed forced to deal with the challenge of race. Consider the most controversial, at least today, of Twain’s novels, Adventures of Huckleberry Finn. Only a few books have been kicked off the shelves as often as Huckleberry Finn, Twain’s most widely read tale. Once upon a time, people hated the book because it struck them as rude. Twain himself wrote that those who banned the book considered the novel “trash and suitable only for the slums (贫民窟).” More recently the book has been attacked because of the character Jim, the escaped slave, and many occurences of the word nigger. (The term Nigger Jim, for which the novel is often severely criticized, never appears in it.)
But the attacks were and are silly—and miss the point. The novel is strongly anti-slavery. Jim’s search through the slave states for the family from whom he has been forcibly parted is heroic. As J. Chadwick has pointed out, the character of Jim was a first in American fiction—a recognition that the slave had two personalities, “the voice of survival within a white slave culture and the voice of the individual: Jim, the father and the man.”
There is much more. Twain’s mystery novel Pudd’nhead Wilson stood as a challenge to the racial beliefs of even many of the liberals of his day. Written at a time when the accepted wisdom held Negroes to be inferior (低等的) to whites, especially in intelligence, Twain’s tale centered in part around two babies switched at birth. A slave gave birth to her master’s baby and, for fear that the child should be sold South, switched him for the master’s baby by his wife. The slave’s lightskinned child was taken to be white and grew up with both the attitudes and the education of the slave-holding class. The master’s wife’s baby was taken for black and grew up with the attitudes and intonations of the slave.
The point was difficult to miss: nurture (养育), not nature, was the key to social status. The features of the black man that provided the stuff of prejudice—manner of speech, for example— were, to Twain, indicative of nothing other than the conditioning that slavery forced on its victims.
Twain’s racial tone was not perfect. One is left uneasy, for example, by the lengthy passage in his autobiography (自传) about how much he loved what were called “nigger shows” in his youth—mostly with white men performing in black-face—and his delight in getting his mother to laugh at them. Yet there is no reason to think Twain saw the shows as representing reality. His frequent attacks on slavery and prejudice suggest his keen awareness that they did not.
Was Twain a racist? Asking the question in the 21st century is as wise as asking the same of Lincoln. If we read the words and attitudes of the past through the “wisdom” of the considered moral judgments of the present, we will find nothing but error. Lincoln, who believed the black man the inferior of the white, fought and won a war to free him. And Twain, raised in a slave state, briefly a soldier, and inventor of Jim, may have done more to anger the nation over racial injustice and awaken its collective conscience than any other novelist in the past century.
【小题1】 How do Twain’s novels on slavery differ from Stowe’s?

A.Twain was more willing to deal with racism.
B.Twain’s attack on racism was much less open.
C.Twain’s themes seemed to agree with plots.
D.Twain was openly concerned with racism.
【小题2】Recent criticism of Adventures of Huckleberry Finn arose partly from its ______.
A.target readers at the bottom
B.anti-slavery attitude
C.rather impolite language
D.frequent use of “nigger”
【小题3】What best proves Twain’s anti-slavery stand according to the author?
A.Jim’s search for his family was described in detail.
B.The slave’s voice was first heard in American novels.
C.Jim grew up into a man and a father in the white culture.
D.Twain suspected that the slaves were less intelligent.
【小题4】The story of two babies switched mainly indicates that ______.
A.slaves were forced to give up their babies to their masters
B.slaves’ babies could pick up slave-holders’ way of speaking
C.blacks’ social position was shaped by how they were brought up
D.blacks were born with certain features of prejudice
【小题5】What does the underlined word “they” in Paragraph 7 refer to?
A.The attacks.B.Slavery and prejudice.
C.White men.D.The shows.
【小题6】What does the author mainly argue for?
A.Twain had done more than his contemporary writers to attack racism.
B.Twain was an admirable figure comparable to Abraham Lincoln.
C.Twain’s works had been banned on unreasonable grounds.
D.Twain’s works should be read from a historical point of view.

We've used the wind as an energy source for a long time. The Babylonians and Chinese were using wind power to pump water for irrigating crops 4,000 years ago, and sailing boats were around long before that. Wind power was used in the Middle Ages, in Europe, to grind(磨碎) corn, which is where the term "windmill" comes from.

We can use the energy in the wind by building a tall tower, with a large propellor on the top. The wind blows the propellor round, which turns a generator to produce electricity. We tend to build many of these towers together, to make a "wind farm" and produce more electricity. The more towers, the more wind, and the larger the propellors, the more electricity we can make. It's only worth building wind farms in places that have strong, steady winds, although boats and caravans(大篷车)increasingly have small wind generators to help keep their batteries charged.

The best places for wind farms are in coastal areas, at the tops of rounded hills, open plains and gaps in mountains—places where the wind is strong and reliable. Some are offshore. To be worthwhile, you need an average wind speed of around 25 km/h. Most wind farms in the UK are in Cornwall or Wales. Isolated places such as farms may have their own wind generators. In California, several “wind farms” supply electricity to homes around Los Angeles.

The propellors are large, to obtain energy from the largest possible volume of air. The blades can be angled to cope with varying wind speeds. Some designs use vertical turbines(垂直涡轮机), which don't need to be turned to face the wind. The towers are tall, to get the propellors as high as possible, up to where the wind is stronger. This means that the land beneath can still be used for farming. 

 

1. The first paragraph aims to introduce to us _______.

A. the function of wind power             B. the source of wind power

C. the nations using wind power               D. the history of using wind power

2.How does a wind power work?

A. The generator turns the propellor blades and produce electricity.

B. The tall tower helps turn the energy in the air into electricity.

C. Warm air rises and makes the propellor move round.

D. The propellor blown round by wind turns the generator to produce electricity.

3. The best places for building the wind farm are places where _______.

A. boats and caravans can often be seen       B. isolated farms don’t have enough electricity

C. there are less human activities            D. the wind is strong and reliable

4. We can infer from the passage that _______.

A. wind farms will not take up too much farming land

B. wind farms need no fuel because wind is free

C. the blades can be angled to turn to face the wind wherever it comes from

D. the higher and larger the towers are, the stronger the wind is

5. What can be a suitable title for the passage?

  A. Where to build a wind farm.            B. ABC of the using of wind energy.

  C. How to make best use of wind.          D. Wind energy is the best energy.

 

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