[单项选择]Roman soldiers in some places built long rows of signal towers. When they had a message to send, the soldiers shouted it from tower to tower. If there were enough towers and enough soldiers with loud voices, important news could be sent quickly over distance.
In Africa, people learned to send messages by beating on a series of large drums (鼓). Each drum was kept within hearing distance of the next one. The drum beats were sent out in a special way that all the drummers understood. Though the messages were simple, they could be sent at great speed for hundreds of miles.
In the eighteenth century, a French engineer found a new way to send short messages. In this way, a person held a flag in each hand and the arms were moved to various positions representing different letters of the alphabet (字母表). It was like spelling out words with flags and arms.
Over a long period of time, people sent messages by all these different ways. However, not until the telephone was invented i
A. in a special way
B. over a very short distance
C. by a musical instrument
D. at a rather slow speed

更多"Roman soldiers in some places built"的相关试题:

[单项选择]Roman soldiers in some places built long rows of signal towers. When they had a message to send, the soldiers shouted it from tower to tower. If there were enough towers and enough soldiers with loud voices, important news could be sent quickly over distance.
In Africa, people learned to send messages by beating on a series of large drums (鼓). Each drum was kept within hearing distance of the next one. The drum beats were sent out in a special way that all the drummers understood. Though the messages were simple, they could be sent at great speed for hundreds of miles.
In the eighteenth century, a French engineer found a new way to send short messages. In this way, a person held a flag in each hand and the arms were moved to various positions representing different letters of the alphabet (字母表). It was like spelling out words with flags and arms.
Over a long period of time, people sent messages by all these different ways. However, not until the telephone was invented i
A. fine weather
B. high tower
C. the spelling system
D. arm movements

查看答案

[单项选择]Passage Five

Roman soldiers in some places built long rows of signal towers. When they had a message to send, the soldiers shouted it from tower to tower. If there were enough towers and enough soldiers with loud voices, important news could be sent quickly over distance.
In Africa, people learned to send messages by beating on a series of large drums (鼓). Each drum was kept within hearing distance of the next one. The drum beats were sent out in a special way that all the drummers understood. Though the messages were simple, they could be sent at great speed for hundreds of miles.
In the eighteenth century, a French engineer found a new way to send short messages. In this way, a person held a flag in each hand and the arms were moved to various positions representing different letters of the alphabet (字母表). It was like spelling out wor
A. fine weather
B. high tower
C. the spelling system
D. arm movements

查看答案

[填空题]Some experts believe that the reason why the Roman Catholic Church set the birth of Christ on December 25th is that that day was the New Year’ s Day for the ancient Romans.

查看答案

[填空题]

How long was the extension of the road built by the Roman by the end of the 3rd century

查看答案

[单项选择]

Long ago, a high tower was built. The tower was in the town of Pisa in Italy. It was a beautiful bell tower.
But soon the tower did something strange. It began to lean to one side. The tower leaned and leaned. After a while, people gave the tower a new name. They called it the Leaning Tower of Pisa.
Millions of people visit Pisa every year. They go there just to see the Leaning Tower. Will the tower ever fall No one knows.

This story tells about a tower that ______.

查看答案

我来回答:

提交