1、Passage 7Greek soldiers sent messages by turning their shields toward the sun. The flashes reflected
light could be seen several miles away. The enemy did not know what the flashes meant, but other
Greek soldiers could understand the message.
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 soldiers with
loud voices, important news could be sent quickly over distance.
In Africa, people learn to send messages by beating on a series of large drums. 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
until the telephone was invented in America in the nineteenth century could people send speeches
sounds over a great distance in just a few seconds.
3. The African way of communication sent messages _________.
A. with arms.
B. over a very short distance
C. by a musical instrument
D. at a rather slow speed
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4、
10、
A. phrase
B. word
C. story
D. sentence
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49.He is( )to know the answer.
A. perhaps
B. likely
C. possibly
D. certainly
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3、
20、
A. limitation
B. division
C. goodness
D. qualities
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10、
7、
A. leads
B. begins
C. helps
D. prepares
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1、
17、
A. much
B. a bit
C. a lot
D. more
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8、
3、
A. check
B. smell
C. try
D. examine
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9、
20、
A. allowable
B. agreeable
C. conceivable
D. receivable
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118.The next moment, she had time to realize what was happening,( )she was hit over the dead.
A. when
B. before
C. since
D. as
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63.When children( )difficulties on their own, they develop new skills and a strong belief in their abilities.
A. overcome
B. encounter
C. overthrow
D. overwhelm
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