【题干】Greek soldiers sent messages by turming their shields( 盾) toward the sun. The flashes reflec-ted light could be seen several miles away. The enemy did not know what the flashes meant,but other Greek soldiers could understand the messages.
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 voice,important news could be sent quickly over distance.
In Africa , people leamed 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. 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 un-til the telephone was invented in America in the nineteenth century could people send speech sounds over a great distance in just a few seconds.
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1、[阅读理解]【阅读理解】44. What was suggested about the construction of a new city at sea?
A. The city was to be designed together with a harbor.
B. The walls around the city would be made of steel and glass.
C. The building of the city would rest on a floating island.
D. The people would live in tall building surrounded by a wall.
2、[阅读理解]【短文改错】64.
3、[阅读理解]【短文改错】60.
4、[阅读理解]【阅读理解】50. Which of the following sentences is TRUE?
A. Clark has won few fencing contests against older fencers.
B. All the fencers are from the countries of Europe.
C. Today , many fencers will get wounded or killed.
D. In the past, people fenced when they disagreed with each other.
5、[阅读理解]【阅读理解】51. We can judge from the passage that Clark works very hard because________.
A. there is no real danger in fencing
B. he doesn't like the idea to be killed
C. he wants to settle all the quarrels
D. each match is a matter of life and death
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