Flagsarenowseeneveryday,buttheywereonceonlyusedinbattle...

问题详情：

Flags are now seen every day, but they were once only used in battles. No one knows for sure ___61___ flags came from. However, it seems that China and the Roman Empire were the first ones to use them to identify their armies. The ___62____ (early) flags were actually wooden statues which were raised up on long poles. Soon, this design changed. people added small pieces that could move in the wind. Later, flags that were made of fabric ___63_____(become) the most popular design.

Flags are also important for ____64____ (religion) reasons. Tibetan prayer flags have been used in Buddhism for ____65_____ (hundred) years. These flags are strung on ropes in windy places. It is believed that the flags' good luck and prayers are carried around the world by the wind.

In the 13th century, ships began to hang flags. Not only ___66____ vessels display their national flags, but sailors also ___67____ (use) flags to signal to other boats. Throughout history, the purpose __68____ usage of flags have grown. However, flags are no longer carried into battle. This is simply ___69____ the people who carry them would be in too much ___70_____ (dangerous).

【回答】

61 where    62 earliest   63 became    64 religious    65 hundreds of     66 did   67 used   68 and    69 because    70 danger

知识点：语法填空

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