It is interesting to see that the force of only 6 or 7 people pushing in the same direction can cause up to 1,000 pounds of force-enough to break brick walls. During a deadly stampede(逃奔), people can even die standing up. People die when pressure is put to their bodies in a front to back direction, causing them not to be able to breathe.

    If you are in a crowd, the first and most important thing is to make yourself familiar with your surroundings and find different exits. No matter where you are, make sure you always know how to get out.

    Make yourself aware of the type of the ground you are standing on, and know that in a crowd of moving people wet ground can cause you to fall.

    When in danger, a few seconds can make a difference, giving you the possibility of making use of your escaping route. Always stay closer to the escape route. If you find yourself in the middle of a moving crowd, do not fight against the pressure, do not stand still or sit down, because you can easily get trampled（踩踏）. Instead, move in the same direction of the crowd; make use of any space that may open up to move sideways to the crowd movement where the flow is weaker.

    Keep your hands up by your chest, like a boxer-it gives you movement and protects your chest. If you fall, get up quickly. If you can't get up because you are injured, get someone to pull you up. If you have kids, lift them up.

    If you fall and cannot get up, keep moving in the same direction of the crowd, or if that is not possible, then cover your head with your arms; do not lie on your stomach or back.

    5000 B.C.— People began to farm along the Nile River in Egypt.

    2950B.C. — Egypt was first united under MENES.

    2600B.C. — The first pyramid of Egypt, the Pyramid of Djoser, was built.

    2500 B.C. — The great Pyramid of Gina was built.

    2000 B.C. — The Bantu Peoples began to migrate into central and southern Africa.

    1279 B.C. — Rameses II became pharaoh（法老）of Egypt.

    1070 B.C. — The kingdom of Kush gained its independence from Egypt.

    814 B.C. — The city of Carthage was established by the Phoenician Empire.

    715 B.C. — Kush conquered Egypt and ruled it until 662 B.C.

    650 B.C. — Cathage became independent. It grew into one of the most powerful cities on the Mediterranean Sea.

    590 B.C. — The capital of Kush was moved from Napata to Meroe.

    525 B.C. — The Persians conquered Egypt.

    332 B.C. — The Greeks led by Alexander the Great conquered Egypt.

    264 B.C. — Carthage fought in the First Punic War.

    146 B.C. —Cathage was defeated by Rome. Roman forces destroyed the city.

    30 B.C. — Cleopatra VII, the last pharaoh of Egypt, died. Egypt became part of Rome.

    Perhaps you have heard a lot about the Internet, but what is it, do you know? The Internet is a network. It uses the telephone to join millions of computers together around the world.

    Maybe that doesn't sound very interesting. But when you've joined to the Internet, there are lots and lots of things you can do. You can send E-mails to your friends, and they can get them in a few seconds. You can also do with all kinds of information on the World Wide Web (WWW).

    There are many different kinds of computers now. They all can be joined to the Internet. Most of them are small machines sitting on people's desks at home, but there are still many others in schools, offices or large companies. These computers are owned by people and companies, but no one really owns the Internet itself.

    There are lots of places for you to go into the Internet. For example, your school may have the Internet. You can use it during lessons or free time. Libraries often have computers joined to the Internet. You are welcome to use it at only time.

    Thanks to the Internet, the world is becoming smaller and smaller. It is possible for you to work at home with a computer in front in the future, getting and sending the information you need. You can buy or sell whatever you want by the Internet. But do you know 98% of the information on the Internet is in English? So what will English be like tomorrow?

    An interesting study posted on Facebook recently shows how men and women develop new interests as they mature(成熟).

    While women tend to take exercise seriously from the age of 34, men will wait until their 45th birthdays before working hard to get in shape. The average woman spends more time talking about sports, politics, career and money as she gets older.

Women's interest in books reaches its peak(顶峰) at the age of 22, while that of men does so when they are in their 50s.

    Men start to change their focus from the workplace to other things after age 30, while women do not do so until eight years later. Both, however, care most about fashion at age 16.

    The research used anonymous(匿名的) data donated by thousands of Facebook users, recording the statuses, 'likes' and 'interests' they had posted on their profiles.

It found the average woman talks about television most at 44, while men peak much younger, at age 31.

    Men are also most likely to see a film in a cinema at age 31, while women go out to see films most when they are only 19.

    Men are most interested in travel at 29, women at 27, while women talk most about food and drink at 35, and men at 38.

    And if you are middle aged, a safe topic for any audience is the weather, which is a key interest for many as they approach 60.

    Stephen Wolfram, the British scientist who carried out the research, says, “It's almost shocking how much this tells us about the changes of people's typical interests.

    “People talk less about video games as they get older, and more about politics.”

The last few days before Christmas passed quickly and it was soon Christmas Eve. That night when everyone went to bed, Bunny couldn't sleep. He still couldn't think of what he wanted his Christmas gift to be. He wondered how Father Christmas would know what to bring him if he didn't know himself.

As he was sitting up in bed, Bunny heard a big noise on the roof (屋顶) and a sound downstairs. It was Father Christmas, he realized. Bunny jumped out of bed and raced down the hall to the stairs hoping to have a look at the old man with his own eyes.

By the time Bunny reached the bottom of the stairs, though, everything was again silent. Beautiful gifts were piled (堆积) under the Christmas tree, but Father Christmas was gone. He looked for him for a few minutes, but it was already too late. Bunny turned to climb back upstairs when he heard a cry.

"Hello," said Bunny. "Is anybody there? "

He was answered by another cry. Bunny looked around the big pile of gifts to see what was making the noise. Right under the tree was a funny looking brown animal with big feet and sad eyes. Bunny might have mistaken it for a dog, if it hadn't been for the antlers (鹿角) on its head.

"Are you a reindeer (驯鹿)?" asked Bunny.

"Yes," replied the animal. "My name is Ralph."

"And you were pulling Father Christmas's sled (雪橇)?"

"I was until I got airsick (晕机), " replied Ralph. "I'm afraid I wasn't cut out for the job. Now I'm stuck here and I don't know how to get back to the North Pole."

"Well, if you like, yon can stay with us as a friend," said Bunny. As he made the offer, Bunny suddenly realized the gift he wanted from Father Christmas was a new friend!