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听力原文： Many people catch a cold in the springtime or fall. It makes us wonder if scientists can send a man to the moon, why can't they find a cure for the common cold？ The answer is easy. There're actually hundreds of kinds of cold viruses out there. You never know which one you will get, so there isn't a cure for each one. When a virus attacks your body, your body works hard to get rid of it. Blood rushes to your nose and causes a blockage in it. You feel terrible because you can't breathe well. But your body is actually eating the virus. Your temperature rises and you get a fever. But the heat of your body is killing the virus. You also have a running nose to stop the virus from getting to your cells. You may feel miserable but actually your wonderful body is doing everything it can to kill the cold. Different people have different remedies for colds. In the United States and some other countries, for example, people might eat chicken soup to feel better. Some people take hot baths and drink warm liquids. Other people take medicines to relieve various symptoms of colds. There's one interesting thing to note. Some scientists say taking medicines when you have a cold is actually bad for you. The virus stays in you longer because your body doesn't develop a way to fight it and kill it.
According to the passage, why haven't the scientists find a cure for the common cold？
A．The senate in Britain is older.B．There are more senate members.C．The senate in US is
Advertising media like direct mail, radio, television and newspapers ______to increase the
It is thought the Crusaders brought the custom of dyeing eggs to Europe during the Middle Ages, as it was common practice among the Egyptians, Persians, Greeks and Romans to dye eggs for their spring festivals.
In eastern and central Europe, Easter eggs are taken very seriously. The most elaborate eggs are decorated by the people from Poland and Ukraine. They call them "pysanki" eggs, which mean written eggs. Thus began the custom of writing on Easter eggs.
The most elaborate Easter eggs are not even real eggs. A Russian jeweler, Cad Faberge, made his eggs out of gold, silver and jewels. The eggs opened to show tiny figures of people, animals, plants or buildings. The Russian emperor gave these eggs as gifts.
The custom of wearing new clothes on Easter began around 300 A. D. , around the time of Constantine, the first Christian emperor. He decreed that members of his court should wear their finest clothes on Easter.
The custom of the Easter egg hunt was started by a German duchess. It was said the brightly decorated eggs were left by the Easter rabbit for the country children, who made a game of finding the eggs.
What does the egg stand for？
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