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Passage Three Many theories about the origin of the ocean have been proposed by scientis

Passage Three

Many theories about the origin of the ocean have been proposed by scientists. The most widely accepted one is that the earth at some time in its very early history became hot enough to melt the materials from which it was formed. While in this molten state, lighter rock-forming materials (造岩材料) floated on the surface of the heavier ones. Then, between four and a half four billion (十亿) years ago, the molten earth cooled sufficiently to form. a crust of rock that was many miles thick.

Surrounding the earth was an unbroken canopy of clouds miles thick and made up mostly of water vapor. Rain falling toward the still-hot earth was heated to steam and rose to the clouds again. After many millions of years, as the earth continued to cool, its surface temperature fell below the boiling point of water. Rainwater could now remain on the earth, covering its whole surface except for the higher places on earth that had been formed from the lighter rock materials.

In 1970, scientists had pieced together evidence that the lighter rock materials had formed one huge continent by a vast ocean. Then, about 200 million years ago, the great continent began to break up, the pieces moving slowly apart.

The onrushing waters of the single huge ocean now entered and filled the spaces between the separating continents--and became the several oceans and seas we know today.

41. This passage mainly talks about ______.

A. the origin of the earth

B. the origin of the ocean

C. the history of the earth

D. the forming of the earth's crust

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更多“Passage Three Many theories about the origin of the ocean have been proposed by scientis”相关的问题

第1题

Most of time French women eat slowly. They enjoy their food. They also eat many differ

Most of time French women eat slowly. They enjoy their food. They also eat many different kinds of food. French women eat three meals a day, but they won’t skip breakfast and they seldom eat snacks between meals. It’s important to eat more fruit and vegetables. French women often drink wine with dinner, but they have a glass of water, too. So French women don’t get fat. The main idea of the passage is ______.

A.French women love to eat different kinds of foo

DB.French women love to eat, yet they look great.

C.French women don’t get fat because they have good eating habits.

D.French women eat less than others.

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第2题

How many ways are mentioned in the passage to meet new people and become involved in college?

A.One

B.Two.

C.Three

D.Four.

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第3题

Directions: There are three passages in this part.Each passage is followed by some questio
ns or unfinished statements.For each of them there are four choices marked A, B, C and D. You should decide on the best choice and blacken the corresponding letter on the Answer Sheet.

Passage 1

Questions are based on the following passage.

As prices and building costs keep rising, the"do-it-yourself"(DIY) trend (趋势) in the U.S.continues to grow.

"We needed furniture(家具) for our living room," says John Ross,"and we just didn't have enough money to buy it.So we decided to try making a few tables and chairs."(76) John got married six months ago, and like many, young people these days, they are straggling to make a home at a time when the cost of living is very high. The Rosses took a two-week course for $280 at a night school.Now they build all their furniture and make repairs around the house.

Jim Hatfield has three boys and his wife died.He has a full-time job at home as well as in a shoemaking factory. Last month, he received a car repair bill for $420."I was deeply upset about

it.Now I've finished a car repair course. I should be able to fix the car by myself."

John and Jim are not unusual people.In order to save money, most families in the country are doing everything they can so that they can fight the high cost of living.If you want to become a

"do-it-yourselfer," you can go to DIY classes.And for those who don't have time to take a course,

there are books that tell you how you can do things yourself.

We can learn from the text that many newly married people__________ 查看材料

A.find it hard to pay for what they need

B.have to learn to make their own furniture

C.take DIY courses run by the government

D.seldom go to a department store to buy things

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第4题

In the world, soccer or football is the most popular sport. This is because many countri

es have wonderful teams for the World Cup. The World Cup is held every four years.

To remember 2002 FIFA World Cup, children from different countries and more than 60 children from Japanese schools came together and spent three weekends drawing a big picture called "Dream World Cups" in Japan. The children drew animals, flowers and people playing soccer under a blue bright sky. They wished each football team good luck by drawing the flags of all the countries that will take part in the World Cup in Japan and South Korea. The picture was put up in a park near a playground in Yokohama. Some football teams will have games there.

Are you a football fan?The World Cup makes more and more people interested in football. Teenagers like playing and watching football. Many of them love some football stars so much that they get the pictures of their favourite players on the walls of their rooms. That is the way to show their love for the World Cup as children in Japan.

21. If a country wants to take part in the World Cup, she must have many football players.

A:T B:F

22. The next World Cup will be held in 2006.

A:T B:F

23. From the passage, in the picture children drew many things except pictures of some football stars.

A:T B:F

24. In "Dream World Cup", the children drew the flags of some countries to tell the people their stories.

A:T B:F

25. Many teenagers own the pictures of some football stars because they are football fans.

A:T B:F

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第5题

My country's greatest symbol to the world is the Statue of Liberty(自由女神像), an
d it was designed by special care. I don't know if you've ever seen the Statue of Liberty, but if you look closely, she's holding not one object, but two. In one hand is the familiar torch we call the "light of liberty."And in the other hand is a book of law.

We're a nation of laws. Our courts are honest and they are independent. The President -- me -- I can't tell the courts how to rule, and neither can any other member of the government. Under our law, everyone stands equal. No one is above the law, and no one is beneath it.

All political power in America is limited and only given by the free vote of the people. We have a Constitution, now two centuries old, which limits and balances the power of the three branches of our government, the judicial(法庭的)branch, the legislative(立法的)branch, and the executive branch, of which I'm a part.

Many of the values that guide our life in America are first shaped in our families, just as they are in your country.American moms and dads love their children and work hard and sacrifice for them, because we believe life can always be better for the next generation. In our families, we find love and learn responsibility and character.

America is a nation guided by faith. Someone once called us "a nation with the soul of a church." This may interest you -- 95 percent of Americans say they believe in God, and I'm one of them.

1、How many objects are held in the hands of the Statue of Liberty?()

A、One

B、Two

C、Three

D、Four

2、According the passage, all people are _____ under the law of the United States.

A、the same

B、different

C、sometimes different

D、sometimes equal

3、The Constitution mentioned in this passage is round _____ years old.

A、100

B、200

C、300

D、400

4、According to the author many of the values of life are first developed _____.

A、in school

B、in the family

C、in work

D、in college

5、From the passage we can easily see that _____.

A、the majority of Americans often go to church

B、the government plays a very important role in a law court

C、light music is popular with old people

D、parents have little influence over their children

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第6题

Our new foreign students are going to arrive very soon, and here are some ways to com
municate with them politely.

How close do you stand when you talk to a friend? You can stand close to people in the Middle East but don’t stand too close to North Americans! Give them more personal space.

Do you know How to touch people correctly? Chinese girls often walk arm in arm with their friends. South Americans sometimes hold your arm when they talk to you, so you can’t move away! But in Britain many people don’t like other people to touch them at all.

Do you look at people when you talk? In some places, it isn’t polite to look at people when you talk, but in other countries it isn’t polite to look somewhere else. In Britain and the US, people usually look at each other when they talk.

And how do you say goodbye? That’s easy, wave(挥手) to say goodbye. But be careful! In Greece, it’s not at all polite! In fact, it’s very rude!

(1) From the passage, we should give more personal space.()

A、people in the Middle East

B、people in North America

C、people in the South America

D、people in North China

(2) The underlined word “touch” means in Chinese.()

A、触碰

B、打击

C、感动

D、震撼

(3) We can’t wave to say goodbye in .()

A、America

B、Japan

C、Britain

D、Greece

(4) How many ways are given to communicate with foreign students?()

A、Two

B、Three

C、Four

D、Five

(5) What’s the best title of this passage?()

A、Saying goodbye

B、Touching people

C、Looking at people

D、communicating politely

正确答案:1. B 2. A 3. D 4. C 5. D

44、Our new foreign students are going to arrive very soon, and here are some ways to communicate with them politely.

How close do you stand when you talk to a friend? You can stand close to people in the Middle East but don’t stand too close to North Americans! Give them more personal space.

Do you know How to touch people correctly? Chinese girls often walk arm in arm with their friends. South Americans sometimes hold your arm when they talk to you, so you can’t move away! But in Britain many people don’t like other people to touch them at all.

Do you look at people when you talk? In some places, it isn’t polite to look at people when you talk, but in other countries it isn’t polite to look somewhere else. In Britain and the US, people usually look at each other when they talk.

And how do you say goodbye? That’s easy, wave(挥手) to say goodbye. But be careful! In Greece, it’s not at all polite! In fact, it’s very rude!

(1) From the passage, we should give more personal space.()

A、people in the Middle East

B、people in North America

C、people in the South America

D、people in North China

(2) The underlined word “touch” means in Chinese.()

A、触碰

B、打击

C、感动

D、震撼

(3) We can’t wave to say goodbye in .()

A、America

B、Japan

C、Britain

D、Greece

(4) How many ways are given to communicate with foreign students?()

A、Two

B、Three

C、Four

D、Five

(5) What’s the best title of this passage?()

A、Saying goodbye

B、Touching people

C、Looking at people

D、communicating politely

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第7题

Ask three people to look out the same window at a busy street corner and tell you what
they see.Chances are you will receive three different answers.Each person sees the same scene, but each perceives(感觉、察觉) something different about it.

Perceiving goes on in our minds.Of the three people who look out the window, one may say that he sees a policeman giving a motorist a ticket.Another may say that he sees a rush-hour traffic jam at the crossing.The third may tell you that he sees a woman trying to cross the street with four children.For perception is the mind's explanation of what the senses - in this case our eyes - tell us.

Many psychologists today are working to try to decide just how a person experiences or perceives the world around him.Using a scientific method, these psychologists set up experiments in which they can control all of the factors.By measuring and charting the results of many experiments, they are trying to find out what makes different people perceive totally different things about the same scene.

31.Seeing and perceiving are().

A.the same action

B.two separate actions

C.two actions carried on entirely by the eyes

D.several actions that take place at different time

32.Perceiving is an action that takes place().

A.in our eycs

B.only when we think very hard about something

C.only under the direction of a psychologist

D.in every person's mind

33.People perceive different things about the same scene because().

A.they come from different countries

B.they can't agree about things

C.some have better eyesight

D.not clearly mentioned in the passage

34.Psychologists study perception by().

A.setting up many experiments

B.asking each other what they see

C.looking out of the window themselves

D.studying the differences in people's eyes

35.The best title for this passage is().

A.How We See

B.Learning About Our Minds Through Science

C.What Psychologists Perceive

D.How to Become an Experimental Psychologist

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第8题

Isn’t it surprising that scientists have a better

understanding of how many stars there are in the galaxy than how many species there are on Earth? Their estimates of global species diversity vary from 2 to 100 million species. Most people agree on an estimate of somewhere near 10 million and yet only 1.75 million have actually been named. Current knowledge of species diversity is limited. This problem becomes more serious because there is a lack of a central database or list of the world’s species.

New species are still being discovered — even new birds and mammals(哺乳动物). On average, about three new species of birds are found each year, and since 1990, 10 new species of monkeys have been discovered. Other groups are still far from being completely described: an estimated 40 percent of freshwater fishes in South America have not yet been classified.

Scientists were startled in 1980 by the discovery of a huge diversity of insects in tropical forests. In one study of just 19 trees in Panama, 960 new species of beetles were discovered.

As scientists begin investigating other little-known ecosystem, like the soil and the deep sea, “surprising” discoveries of species become commonplace. There is nothing strange about this, though, since as many as a million undescribed species are believed to live in the deep sea. And one gram of a small-sized piece of land might hold 90 million bacteria(菌类) and other microbes(微生物). How many species these communities contain is still anyone’s guess.

16. Which of the following is true?

A) Scientists have a sound knowledge about the diversity of species

B) Scientists don’t know much about the number of stars in the galaxy

C) Scientists show more interest in stars in the galaxy than in species on Earth

D) Scientists don’t agree on the number of species in the world

17. How many species are there on Earth according to most scientists?

A) About 2 million

B) About 10 million

C) About 100 million

D) About 1.75 million

18. In which of the following groups is the discovery of new species not mentioned in

the passage?

A) Birds

B) Monkeys

C) Trees

D) Freshwater fish

19. What can you learn from the passage?

A) The soil and the deep sea belong to communities that haven’t been fully explored

B) It is surprising news wherever new species are discovered in the deep sea

C) About 90 million species are believed to live in the deep sea

D) A million species in the deep sea have been discovered and named

20. Which of the following best reveals the main idea of the passage?

A) Surprising discoveries of new species are commonplace

B) The mystery of the deep sea and the soil remains to be uncovered

C) Knowledge of global species diversity is still limited

D) Estimates of global species diversity vary among scientists

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第9题

Part ADirections: Read the following three texts. Answer the questions on each text by cho

Part A

Directions: Read the following three texts. Answer the questions on each text by choosing A, B, C or D. Mark your answers on ANSWER SHEET 1.

Medicine comes in many forms. In its liquid form, medicine affects the body very quickly. But the effects of liquid medicine arch' t usually long-lasting. This is why pills and capsules (胶囊) are also used.

The pills and capsules being sold today arch' t perfect, either. Pills dissolve in the stomach. The medicine in the pills is released when the pills dissolve. But often, the pills dissolve too quickly.

Scientists have been trying to develop a pill that can release medicine slowly over a long period of time. They have applied their knowledge of plants to produce the "osmotic (渗透的) pump pill".

The cell walls of plants are made of cellulose (纤维素). Cellulose is a very porous substance. Their holes are big enough to allow water through the cell walls. As water enters a cell, pressure builds up in the cell. The pressure pumps other substances out of the cell. These substances leave the cell through the cellulose wall. This slow, steady process is called osmosis.

The osmotic pump pill is coated with synthetic cellulose. Liquid medicine is contained in the pill. The holes in the cellulose coating of the pill are big enough to allow water in the pill. As water from the body enters the pill, pressure builds up in the pill. The medicine is then slowly pumped out of the pill.

The passage implies that the osmotic pump pill is better than other pills and capsules because______.

A.it releases medicine slowly over a long period of time

B.it helps to build pressure in the body

C.the medicine in the pill can affect the body quickly

D.the coating doesn't dissolve in the stomach

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第10题

"Listen, that's not right." "Look, you don't understand!" &q

"Listen, that's not right." "Look, you don't understand!" "Sorry, I don't follow." Are these three speakers, who are just chatting naturally, actually revealing what many people believe is their dominant thinking and learning style? Many educators, who research in this field say that everybody has one of three basic ways of processing the world: visual, auditory or kinaesthetic. Students who find their dominant learning style. can make their learning more efficient. The Visual Learner:"Look, you don't understand!" The visual learner tends to learn by watching and copying what others dothey usually draw diagrams, maps and pictures rather than taking notes in words. They have a rich imagination, they tend to see pictures in their head and daydream in colourthey notice changes in people and places quicklythey remember faces not namesthey write neatly and need a tidy environment to work in, but they like to surround themselves with colour, art and picturesthey doodle a lot. The Auditory Learner:"Listen, that's not right." The auditory learner prefers to listen to explanations, enjoys conversations, usually talks very well, with a wide vocabulary. They tend to move their lips when they read and often talk to themselvesthey usually remember names rather than facesthey prefer listening to music to looking at art and pictures, but when they are studying, music distracts themthey hum a lot. The Kinaesthetic Learner:"Sorry, I don't follow you." Kinaesthetic learners are used to doing things physically, not listening to explanations or watching demonstrations. They like to move around when they are reading or walk up and down while trying to memorise thingsthey tend to touch and hug people a lot. They often prefer sports to cinemas and concerts and may lose concentration quickly if they don't study in the right way. Do you recognise yourself in one of the descriptions above? Three students took the tests and this is what they said. The visual learner: My teacher always used to tell me off for doodling - now I realise it helped me concentrate. The auditory learner: The coursebooks, which my colleagues found very interesting, were useless for me. I didn't want to read and take notes. I just wanted to discuss the ideas. The kinaesthetic learner:A teacher, who knows about learning styles suggested that I tape the lectures and listen to them when I am jogging.

1). Which of the following learners is NOT mentioned in the passage?

2). Which of the following is NOT true about the visual learners?

3). Which of the following describes best the auditory learners?

4). From the fourth paragraph, the kinaesthetic learner tends to ().

5). According to the passage, the drawback of being a visual learner is ().

(1).A、Visual learner.

B、 Auditory leaner.

C、 Kinaesthetic leaner.

D、 Sensory learner.

(2).A、They usually learn by watching and copying what others do.

B、 They prefer drawing pictures to taking notes in words.

C、 They are full of imagination.

D、 They remember people's names quickly.

(3).A、They like to watch and listen to what others do.

B、 They prefer to listen rather than watch.

C、 They like both music and pictures.

D、 They usually talk less.

(4).A、listen to explanations and enjoy conversations

B、 memorise things via pictures

C、 do more physical exercises

D、 be forgetful

(5).A、he cannot concentrate on things

B、 he dislikes music

C、 he always daydreams

D、 none of them

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第11题

Mrs. Weeks was reading a newspaper story to her class. 威克斯老师正在读报纸上的一个故
事给她班上的学生听。 The story said:

"Were you ever in a hospital when you were small? How did you feel?" The doctors in Children's Hospital are asking for money for children's toys. Some children in the hospital must stay in bed for many weeks. Toys are needed to keep the sick children happy and quiet. Money for them can be sent to the hospital.

After Mrs. Weeks read the story,she said,"This story gave me an idea."

"You want us to bring some money for the toys." "We could bring some of our own toys for the children in the hospital, "said the boys and the girls one after another.

"Well, your ideas would be nice, "Mrs. Weeks said, "but mine is different."

"We could make some toys, "shouted one of them.

Mrs. Weeks smiled. "Do you think you could make toys?" she asked.

"Yes, yes, "the whole class answered.

"Great! Let's begin to make toys tomorrow, "said Mrs. Weeks.

On Saturday afternoon,Mrs. Weeks took the children to the hospital with the toys made by her students. The children in the hospital felt very happy to see the toys. So did the children in the class.

A few days later,Mrs. Weeks read another newspaper story to the class:

Some school pupils brought toys to Children's Hospital last week. The toys were made by the pupils of Grade Three in Green Street School. The doctors said,"We have never had so many wonderful toys. Our children are very happy with them. They say,'THANK YOU,GRADE THREE.'"

(1)、The first newspaper story was mainly about sick children in children's Hospital.

A:T

B:F

(2)、Let the class make some toys and give them to the children in the hospital was in Mrs. Weeks' mind.

A:T

B:F

(3)、At first,the doctors in Children's Hospital wanted to get some money to buy toys for the sick children.

A:T

B:F

(4)、From the passage we can learn that what Mrs. Weeks really wanted to do is to ask her class to save money for toys.

A:T

B:F

(5)、The author's tone in this passage is enthusiastic.

A:T

B:F

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