What did people do to communicate in ancient times？Here are some very interesting answers to this question.
Alphoms （阿爾斯長號角） were once used to communicate in the mountains in Switzerland.They are very long and they are very heavy，too So，alphorns are hard work to blow.Then why use them？Well，they make a loud sound which travels much further than the human voice.At sunset，alphorns were used to send a message down to villagers that all was well.These days，they're mostly used as musical instruments.
The people of La Gomera，an island in Europe，have their own special way of sending messages from mountain to mountain.They use a whistled （口哨的） language called el silbo，which comes from their language Spanish.Whistling can be heard within five kilometers，which means it can be used across much greater distances （遠處） than shouting.
Did you know it's also possible to send messages without making a noise？This is called visual communication，and it includes the use of flags and even smoke.Long ago，soldiers along the Great Wall of China used smoke as a warning.If they noticed the enemy from their signal （信號） tower，they lit a smoky fire.In this way，messages about the enemy's arrival could travel as far as 800 km in just a few hours.
（1）What are alphorns mostly used for today？ DD
A.Communicating in the mountains.
B.Calling cows for milking.
C.Sending messages down to villages.
D.Playing a kind of music.
（2）Why do the people of La Gomera use el silbo to communicate？ CC
A.Because it can send messages to animals.
B.Because it is different from their language.
C.Because it can be heard at a great distance.
D.Because it is a subject for young students.
（3）Which of the way to communicate is not mentioned in the passage？ CC.
A.Blow Alphorns
B.Use flags and smoke
C.Send letters
D.Use a whistled language
（4）Which of the following best shows the structure of the text？ （P=Paragraph） DD
A．  |
B．  |
C．  |
D． |
【考點】說明文；互聯(lián)通訊．
【答案】D；C；C；D
【解答】
【點評】
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發(fā)布：2024/9/6 18:0:8組卷：4引用：1難度：0.5
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