题目内容

The signal is ________ a pair of wires to the receiving telephone.

A.
sent for
B.
sent up
C.
sent down
D.
sent off

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It is natural that children are curious about the world around them. For example, they want to know how their hearts beat. They want to know why the ocean water tastes salty.

　As children grow up, they become curious about different kinds of things. When they are babies, they are interested in the parts of their bodies and in the smiles of their mothers. They become interested in the physical world around them: the plants, the animals, the sky. Later, they become interested in the things that people have made: wheels, bicycles, cars. And when they are adults, their curiosity continues. Sometimes this curiosity leads to a career in science.

　Scientists spend their lives trying to find out about the world. Those who work with the earth sciences study the earth, the oceans, and the sky. Other scientists who study living things work with the biological sciences. A third group of scientists study the physical sciences, e. g. physics, chemistry .

　These scientists have already discovered a lot about our world. For example, they tell us why your heart beats fast when you run. They say that when you are quiet, your heart normally beats 65 or 75 times a minute. Your heart is a pump that pumps blood to all parts of the body. The blood carries oxygen and nutrition. When you run, your muscles work very hard and use the nutrition that the blood carries to them. The muscles need oxygen, too. So your brain sends a signal to the heart. The signal means that the muscles need more nutrition and oxygen. Then the heart beats fast and sends blood quickly to the muscles. It may beat 90 to 140 times a minute.

　Of course, scientists cannot answer all of our questions. If we ask, “Why does the ocean water taste salty” scientists will say that the salt comes from rocks. When a rock gets very hot or very cold, it cracks. Rain falls into cracks. The rain then carries the salt into the earth and into the rivers. The rivers carry the salt into the ocean. But then we ask , “What happens to the salt in the ocean? The ocean does not get saltier every year.” Scientists are not sure about the answer to this question.

　We know a lot about our world, but there are still many answers that we do not have, and we are curious.

According to the passage, which of the following statements is true?

　 A. People are curious in the same way.

　 B. People in different countries are interested in different things.

　 C. People of different ages are interested in different things.　

D. Men and women are curious about different things.

Scientists who work with the biological sciences study____.

A. the earth , the oceans and the sky B. plants and animals

C. man-made things D. ocean water

A rock cracks _____.

A. in wet regions B. in dry regions

C. when salty water falls in D. at very high or very low temperatures

People are always curious because _____ .

A. they know little about the world B. they know nothing about the world

C. they can not explain many things D. they want to be scientists

Gauri Nanda sees a wearable computer as a handbag—one that’s built out of four-inch squares and triangles of fiber, with tiny computer chips embedded(嵌入) in it. It looks, feels and weighs like your typical leather purse.

That’s where similarities end: This bag can wirelessly keep track of your belongings and remind you, just as you’re about to leave the house, to take your wallet. It can review the weather report and suggest that you grab an umbrella. This purse can even upload your favorite songs onto your scarf.

Sure, a computing purse and scarf set may seem like the stuff of science fiction. But these devices, part of next generation of wearable computers, could become commonplace within a few years. DuPont created new super strong fibers that can conduct electricity and can be woven into ordinary-looking clothes. And the chipmaker developed chip packaging allowing wearable computers to be washed, even in the heavy-duty cycle.

As a result, these new wearable devices are different from the heavy and downright silly versions of the recent past, which often required users to be wrapped in wires and type on their stomachs. Unlike their predecessors, these new wearable computers also make economic sense. When her bag becomes commercially available in two to three years, Nanda expects it will cost around $150, which is the price of an average leather purse.

Here’s how the bag works: You place a special radio-signal-transmitting chip on to your wallet. A similar radio in your purse picks up the signal and notifies you that you’ve forgotten to take your wallet. In turn, sensors on your purse’s handles will notify the computer that you’ve picked up the purse and are ready to go.

Already, these new kinds of wearable devices are being adopted for use in markets like auto repair, emergency services, medical monitoring—and even, increasingly, for consumers at large. Indeed, more people will want to cross that bridge in the coming years--- making for a booming market for wearable computers that don’t like something out of science fiction.

Which of the following describes a wearable computer?

A. It can be washed in a washing machine. B. It is much heavier than a leather purse.

C. It can download songs from the Internet. D. It is made of clothes conducting electricity.

According to the passage, these new wearable computers ______.

A. require users to operate on the stomach

B. pick up the signals through wires and chip

C. are being applied in some different areas now

D. are smarter but more expensive than the old ones

What does the underlined sentence in the last paragraph mean?

A. These new wearable computers have become fashionable.

B. People would like to learn more about these new computers.

C. These new wearable computers promise to sell well in the future.

D. The idea of these purse-like computers comes from science fiction.

The purpose of the passage is ______.

A. to introduce a new kind of computer B. to explain the function of computers

C. to compare different types of computers D. to show how high technology affects our life

The fact that blind people can see things using parts of their bodies apart from their eyes may help us to understand our feelings about color．If they can sense color differences, then perhaps we, too, are affected by color without knowing it．Salesmen have discovered by experience over a long period of time that sugar sells badly in green wrappings, that blue foods are considered not agreeable to the taste, and that cosmetics（化妆品） should never be packed in brown．These discoveries have grown into a whole subject of color psychology．
Some of our preferences are clearly psychological．Dark blue is the color of the night sky and therefore connected with calm, while yellow is a day color connected with energy and encouragement．Experiments have shown that colors, partly because they are connected with psychology, also have a direct effect on people's mind．People in bright red surroundings show an increase in breathing speed, heartbeat and blood pressure．Red is exciting．Pure blue has exactly the opposite effect; it is a calming color．Being exciting, red was chosen as the signal for danger, but a closer study shows that a bright yellow can produce a more basic state of alarm, so fire engines in some advanced areas are now rushing around in bright yellow colors that stop buses, trucks and cars．
【小题1】The passage tells us that salesmen have____ ．

A．tried colors on blind people

B．found out that colors affect sales

C．developed a special subject of color psychology

D．discovered the relationship between color and psychology

【小题2】It can be inferred from the passage that__ _．

A．blind people cannot sense color differences

B．foods sell well in green or blue wrappings

C．w hat color we prefer depends on our state of mind

D．a bright color has exactly the opposite effect to red

【小题3】The most effective color in the passage for warning people is____．

【小题4】If someone is in an angry mood, which color is better for him to become quiet?

【小题5】Which of the following do you think is the best title for the passage?

A．Colors and Feelings

B．Colors and Sales

C．The Blind and Colors

D．Preferences for Colors

Boxing is a fist fighting sport between two matched combatants (对手) wearing padded gloves. A boxer’s primary aim is to land as many blows as possible to the head and torso (躯干) of the opponent, using strength and speed to dominate the contest. One of the oldest sports still practiced, boxing dates back to thousands of years ago. Today the sport is popular in many parts of the world and encompasses (包括) both amateur and professional matches.

For most of the 20th century boxing attracted huge fan and media attention in the United States. Some boxing champions became legendary, larger-than-life figures, such as Jack Dempsey, Joe Louis, and Muhammad Ali. Criticized to varying degrees throughout its history for its violent nature and high injury rate, boxing has somehow always managed to survive——and even thrive——as a sport.

Modern boxing regulations are based upon the 12 rules set out by British boxing officials in the mid-19th century. These rules became known as the Marquess of Queensberry Rules, named after the 8th Marquess of Queensberry, John Sholto Douglas, who sponsored and published them. In addition to in-the-ring rules, modern boxing also has specific regulations regarding eligibility for the fighters themselves.

The modern rules for professional and amateur boxing differ, but both types of contests are divided into time periods called rounds. In professional boxing, each round lasts three minutes; in amateur boxing, two minutes. A one-minute rest period between rounds is standard. Amateur contests consist of three rounds; professional contests may consist of up to 12 rounds. A bell is usually sounded by a timekeeper to begin and end each round.

A key step in making boxing safer and more respectable was the introduction of gloves, ending brutal bare-knuckle competition. Boxing gloves are heavily padded to soften the impact of the blow and to protect the hands of the boxer. As an added protection, the hands are taped before being placed in the gloves, which are essentially huge mittens. Professional gloves usually weigh between 170 and 226g; amateur gloves average 226 to 340g.

1.Which of the following is true according to the information in the passage?

A. Boxing is a violent sport with high injury rate.

B. People enjoy boxing because of its brutal nature.

C. Only professional players are allowed to attend boxing matches.

D. Boxing is a popular sport with a history of only 200 years.

2.Boxing has always managed to survive as a sport. In the author’s opinion, __________.

A. this is because many people can participate in this popular sport

B. this is because boxing is a sport which can bring good business

C. the reason for this cannot be fully explained

D. this is because there are many legendary boxers

3.Which of the following facts about boxing is NOT mentioned in the passage?

A. The time set for a round. B. The weight of gloves.

C. The size of boxing rings. D. The signal to begin and end each round.

4.The author’s purpose in writing this passage is __________.

A. to give a general introduction to the sport of boxing

B. to advertise a band of boxing-related product

C. to discourage people from enjoying this violent sport

D. to get support for a sport with long tradition

5.Which of the following statements can best describe the sport of boxing as a whole?

A. It is a brutal and violent sport, with little popularity in modern times.

B. It is a traditional sport, with little room for improvement.

C. It is a controversial sport, which nevertheless enjoys great public support.

D. It is strictly professional sport with rigid and exclusive rules.

It is natural that children are curious about the world around them. For example, they want to know how their hearts beat. They want to know why the ocean water tastes salty.

　　Scientists spend their lives trying to find out about the world．Those who work with the earth sciences study the earth, the oceans, and the skies. Other scientists who study living things work with the biological sciences. A third group of scientists study the physical sciences, e. g. physics, chemistry.

　　These scientists have already discovered a lot about our world．For example, they tell us why your heart beats fast when you run. They say that when you are quiet, your heart normally beats sixty-five or seventy-five times a minute. Your heart is a pump (泵) that pumps blood to all parts of the body. The blood carries oxygen and nutrition. When you run, your muscles work very hard and use the nutrition that the blood carries to them. The muscles need oxygen, too . So your brain sends a signal to the heart. The signal means that the muscles need more nutrition and oxygen. Then the heart beats fast and sends blood quickly to the muscles. It may beat 90 to 140 times a minute.

　　We know a lot about our world, but there are still many answers that we do not have, and we are curious.

1.According to the passage, which of the following statements is true?

　 A．People of different ages are interested in different things

　 B．People in different countries are interested in different things.

　 C．Men and women are curious about different things.

　 D．People are curious in the same way.

2.Scientists who work with the biological sciences study____.

A．the earth , the oceans and the sky B．plants and animals

C．man-made things D．ocean water

3.When you run, your muscles need ____.

A．more nutrition and oxygen B．more signals C．more salt D．water

4.A rock cracks _____.

A．in wet regions B．in dry regions

C．at very high or very low temperatures D．when salty water falls in

5.People are always curious because ____.

A．they cannot explain many things B．they know nothing about the world

C．they know little about the world D．they want to be scientists

The signal is ________ a pair of wires to the receiving telephone.

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