Demon老师首字母秘诀分享【二】：上下文关联(2)

【2012年浦东新区一模】

EachIndian tribe (部落) had a different language. Many Indians never learned any language e___1___ their own. Do you know how Indians from different tribes talked toeach? They had two ways to talk without sound. One way was by sign language;the other was by signals.       Sign language is a way talking by signs. Indians used it when they met strangers. In this way, they could find out w___2___ the stranger was a friend or an enemy./p>

Indians usually used signals when they wanted to send messages to someone far away. To make signals, an Indian might use a pony (小马). He might use a blanket. Or he might use smoke, a mirror or fire arrows (箭) .

To signal that he had seen many animals, an Indian r___3___ his pony in a large circle. Sometimes the Indian gave a signal likethis and then went away to hide. This meant that there was danger.

The blanket signal was visible from far away. AnIndian held two c___4___ of a blanket in his hands. Then he began to swing the blanket from side to side in front of him. An Indian could send many different signals with his blanket.

He could also send many signals with a mirror to w___5___ someone or to get the attention of a person far away. But he also used it to send messages in code. Of course, mirrors could be used o___6___ when the Sun was shining. At night, Indians used fire arrows for signaling.

An Indian also sent signals with smoke. He made a small fire of dry wood. Then he put grass or green branches on it. He held a blanket over the fire for a minute. When he r___7___ the blanket from the fire,there was a cloud of smoke. The number of clouds of smoke told his message in code.

Now you can see that Indians didn't need to learn each other's language. They could talk to one another by using signals or sign language.

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