A little knowledge is a thing. dangerous——青夏教育精英家教网—

摘要： A little knowledge is a thing. dangerous

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About six years ago I was eating lunch in a restaurant in New York City when a woman and a young boy sat down at the next table. I couldn’t help overhearing parts of their conversation. At one point the woman asked: “So, how have you been?” And the boy, who could not have been more than seven or eight years old, replied, “Frankly, I’ve been a little depressed lately.”

This incident stuck in my mind because it confirmed my growing belief that children are changing. As far as I can remember, my friends and I didn’t find out we were “depressed” until we were in high school.

The evidence of a change in children has increased steadily in recent years. Children don’t seem childlike anymore. Children speak more like adults, dress more like adults and behave more like adults than they used to.

Whether this is good or bad is difficult to say, but it certainly is different. Childhood as it once was no longer exists, why?

Human development is based not only on innate(天生) biological states, but also on patterns of access to social knowledge. Movement from one social rote(生搬硬套) to another usually involves learning the secrets of the new status. Children have always been taught adult secrets, but slowly and in stages: we tell sixth graders things we keep hidden from fifth graders.

In the last 30 years, however, a secret-revelation(揭示) machine has been brought in 98 percent of American homes. It is called television. Television passes information to all viewers alike, indiscriminately (不加区分地). Unable to resist the temptation, many children turn their attention from printed texts to the less challenging, more vivid moving pictures.

Communication through print, as a matter of fact, allows for a great deal of control over the social information to which children have access. Reading and writing involve a complex code of symbol that must be memorized and practices. Children must read simple books before they can read complex materials.

Traditionally, a child is supposed to learn about the adult world______________.

A．through contact with society

B．naturally and by biological instinct (本能)

C．gradually and under guidance

D．through exposure to social information

The phenomenon that today’s children seem adult like is due to ____________.

A．the widespread influence of television

B．the poor arrangement of teaching content

C．the fast pace of human intellectual development

D．the constantly rising standard of living

Why is the author in favor of communication through print for children?

A．It enables children to gain more social information.

B．It develops children’s interest in reading and writing.

C．It helps children to memorize and practice more.

D．It can control what children are to learn.

What does the author think of the change in today’s children?

A．He feels amused by their premature (早熟) behavior.

B．He thinks it is a phenomenon worthy of note.

C．He considers it a positive development.

D．He seems to be upset about it.

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To son, Cecil,

Just a quick note before I start in earnest. When I wrote this, you were 8, still a little boy. In 2002, I was called to active duty in the Marine Corps in the war on Terrorism (恐怖主义). On the 11th of September 2001 when America was attacked, I knew that I would eventually have to go and I was filled with a deep sense of sadness. That night as you and Keiko were asleep, I looked at your little faces and couldn’t help but fight the tears. I knew it would be hard for you because I had a similar experience. When I was a little boy aged 6, my dad, your Grandpa Cawley, was sent to Vietnam during the war there. I remember how much I missed him, too. But now unfortunately I have come to realize just how rough it must have been for Grandpa to be away from his children for a year. Thinking about this, I wanted to put my thoughts and feelings down for you and your sister. I am so sorry that I had to leave for such a long time. There is no place I would rather be than with you and Keiko. You two are the lights of my life. I have known no greater joy than in the few years since you two were born. I hope to have many more years with you. If this doesn’t happen, then know that I love you more than words can express. If for some reason I don’t make it home, I will need you to take care of your little sister and your Mom. You will be the man of the Cawley family. Be good my son and God will watch over you as he has me. I will be waiting impatiently for the time when we can all be together again.

The writer of the letter may be ______.k*s5*u

A. an American soldier in the battle field

B. an American policeman

C. a soldier in the Vietnam War

D. a postman working far away from home

Keiko is the ______ of the writer.

A. wife B. son C. daughter D. sister

One of the experiences the writer and his son had in common is that ______.

A. they both experienced the Vietnam War

B. their fathers had to leave them and fight abroad.

C. they used to study in the same school

D. they were both eight when the fathers had to leave them

We can infer(推断) that ______.

A. the writer was a devoted son

B. the writer was a brave soldier

C. the writer realized he might die in the battle field

D. the writer’s wife was suffering from a terrible illness.

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COOL INVENTIONS

From school to band Practice, the Venturi Eclectic is an Earth-friendly way to get Where you want to go．This battery-powered, zero-emission (meaning it doesn't pollute the air) vehicle runs mainly on renewable energy．Solar panels on the Eclectic's roof absorb sun rays when you're driving．On windy days, you can connect a machine to the car's roof that collects energy from the wind while you're parked．The Eclectic's top speed is 28 miles an hour; the battery lasts for 31 miles before it needs to be recharged．Zipping (迅速行进) around the neighborhood has never been better.

Here's an eco-friendly way to tell time: Simply fill the Bedol Water-powered Clock's tank (箱) with water, add some lemon juice, and the clock will display the time without the need for environmentally harmful batteries．There are two sets of metal electrodes (电极) inside the water tank．Water contains ions (离子) that carry negative and positive charges．These ions complete a charge between the electrodes, creating enough energy to power the clock．Just refill the tank every few weeks, and this clock will keep on ticking.

Bloodhound SuperSonic Car (SSC) will be the first car to attempt to break the l,000-mile-an-hour barrier．(The current record is 763 miles an hour.) A concept for now, the rocket-shaped car gets its initial push to 350 miles an hour from a jet engine．Then a rocket fires up, pushing the SSC past 1,000 miles an hour．In order to keep the car streamlined (流线型的), the driver lies back at a 45-degree angle.

You're having a blast at your friend's birthday party．But when it's time to bring out the cake, everyone crowds around, blocking your view．No worries．Throw the Triops into the air, and this clever camera captures the view from above．The Triops can take three pictures at once, each from different angles．You can also record sounds and command the Triops to start shooting whenever it hears that noise．That's one smart camera.