Theflag,themostcommonsymbol(象征)ofanationinthemoder...

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      The flag,the most common symbol(象征) of a nation in the modern world,is also one of the most a clear symbolic meaning,the flag in the traditional form is still used today to mark buildings,ships and other vehicles related to a country.       The national flag（国旗) as we know it today is in no way a primitive(原始的) is ,rather,the product of thousands of years' orians（历史学家） believe that it had two major ancestors,of which the earlier served to show wind direction.        Early human beings used very fragile houses and n strong winds would tear roofs from houses or cause high waves that endangered le's food supplies were similarly after they had learned how to plant grains,they still needed help from nature to ensure good efore they feared and depended on the power of the wind,which could bring warmth from one direction and cold from another.        Using a simple piece of cloth tied to the top of a post to tell the direction of the wind was more dependable than earlier methods,such as watching the rising of smoke from a connection of the flag with heavenly power was therefore y human societies began to fix long pieces of cloth to the tops of totems(图腾) before carrying them into battle. They believed that the power of the wind would be added to the good wishes of the gods and ancestors represented by the totems themselves.        These flags developed very slowly into modern flags. The first known flag of a nation or a ruler was unmarked:The king of China around 1000 B.C. was known to have a white flag carried ahead of practice might have been learned from Egyptians even further in the past,but it was from China that it spread over trade routes through India, then across Arab lands, and finally to Europe,where it met up with the other ancestor of the national flag. best title for the passage would be                     A. Development of the National Flag    B. Power of the National Flag   C. Types of Flags    D. Uses of Flags underlined word "vulnerable" in Paragraph 3 means                     A. impossible to make sure of   B. likely to be protected   C. easy to damage               D. difficult to find earliest flags were connected with heavenly power because.                    A. they could tell wind direction   B. they could bring good luck to fighters    C. they were handed down by the ancestors

   D. they were believed to stand for natural forces does the author know of the first national flag?   A. He knows when it was sent to Europe.  B. He believes it was made in Egypt.   C. He thinks it came from China.          D. He doubts where it started. will the author most probably talk about next?   A. The role of China in the spread of the national flag.

  B. The second ancestor of the national flag.   C. The use of modern flags in Europe.   D. The importance of modern flags.

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