任务型阅读练习十二篇(3)

processor and this percentage is growing fast.

There are many advantages in using a word processor for both secretary and manager. The

secretary is freed from a lot of daily work, such as re-typing letters and storing papers. He or she

can use this time to do other more interesting work for the boss. From a manager s point of view,

secretarial time is being made better use of and money can be saved by doing daily jobs

automatically outside office hours.

But is it all good? If a lot of daily secretarial work can be done automatically, surely this will

mean that fewer secretaries will be needed. Another worry is the increasing medical problems

related to work with visual display units (显示器). The case of a slow loss of sight among people

using word processors seems to have risen greatly. It is also feared that if a woman works at a

VDU for long hours, the unborn child in her body might be killed. Safety screens to put over a

VDU have been invented but few companies in England bother to buy

them.

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Whatever the arguments for and against word processor, they are a key feature (特征) of this

revolution in office practice.

（九）

If you and your friends wish to share a secret, you can write it in code, and no one else will

be able to read it. Codes are one way of writing in secrets. Ciphers(暗码) are another. In the code

each word is written as a secret code or word number. In a cipher each letter is changed.

Codes and ciphers have played an important role in the history of the word. Julius Caesar, the

Roman ruler who defeated almost all the countries in Europe about 2000years ago, used a cipher

when he sent secret messages to his troops. During American Revolution, George Washington s

spies used a kind of code to send him information about the enemy before his military（军事的）

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action. In World War 2,the American “broke”, or figured out, Japan s most important navy codes

and got enough information to destroy a powerful Japanese fleet（舰队）。

Storekeepers use codes to mark their goods. The codes show how much was paid for the

goods or when they were added to the stock. Businessman use codes to hide plans from their

business enemies. Sometimes personal letters or diaries are written in code. Many people enjoy

figuring out codes and ciphers simply as a hobby.

In the 16th century, codes and ciphers were very popular among scientists. They wrote

messages to each other in code so that no one else would learn their secrets. Geronimo Gardano,

an Italian astrologer（星相家）,mathematician, and doctor, invented the trellis ciphers. He took two

sheets of paper and cut exactly the same holes in each one. Then he sent one sheet, which he

called a trellis, to a friend and kept the other for himself. Whenever he wanted to write a message,

he put his trellis, over the clean sheet of paper and wrote the secret message through the holes.

Then he removed the trellis and filed the rest of the paper with words that would make sense.

When his friends received it, He put his trellis over the writing and read the secret message.

（十）

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Autumn blues? Let the sunshine in falling leaves, withering flowers, cold winds, faint sunshine. For many people late autumn can be a season of gloom and depression. Spirits can be low.

people who suffer from "the autumn blues" often are extremely exhausted, lack energy, need more sleep, feel increased appetite and gain weight.

"The exact cause of this condition, often called seasonal depression or seasonal affective disorder (SAD), is not known yet," says Chen Jue, associate professor at Shanghai Mental Health Center. "But recent studies indicate that weather change is influential and strongly suggest that this condition is caused by changes in the availability of sunlight."

One theory is that with decreased exposure to sunlight, the biological clock that regulates mood, sleep, and hormones is delayed, running more slowly in winter. Exposure to light may reset the biological clock.

Another theory is that brain chemicals that transmit information between nerves may be altered in individuals with SAD. It is believed that exposure to light can correct these imbalances.

"It is a sad season, but you can try to make it happy. Remember, spring always lives in your heart," Chen says.

Here are some tips to deal with autumn depression.

- Go outdoors and get some sunlight. Move around. Fresh air and exercise improve the respiratory(呼吸) system and blood

circulation and regulate the nervous system. Thus, exercise is calming and relieves one's mood.

- Relax at work. Stretch, breathe deeply. Take a tea break. Think of your next vacation.

- Keep a chocolate bar in your pocket. Chocolate and sugar raise the spirits.

- Look at bright colors, such as red and orange. Color therapy improves mood.

- Listen to your favorite music. You can dance to it, or just lie on a cozy couch, reading a novel.

- Decorate your room and work space with flowers. Blooming plants are cheering.

- Call friends or family when you feel lonely or depressed. Recall some happy memories.

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（十一）

Wen Jiabao arrived in Singapore yesterday for an official visit to the country. It is the first visit by a Chinese premier to Singapore in eight years. In the arrival statement, When said he is looking forward to the meeting with Singing pore on ways to deepen East Asian cooperation between two nations so as to contribute to the building of a peaceful, harmonious relationship."

Premier Wen Jiabao and Singapore Prime Minister Lee Hsien Loong agreed to jointl …… 此处隐藏：6795字，全部文档内容请下载后查看。喜欢就下载吧 ……