单项选择题

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A.Gold was discovered.
B.The Transcontinental Railroad was completed.
C.The Golden Gate Bridge was constructed.
D.Telegraph communications were established with the East.
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单项选择题
A.Computers have become part of our daily lives.B.Computers have disadvantages as well as advantages.C.People have different attitudes to computers.D.More and more families will own computers.
A.Computers have become part of our daily lives.
B.Computers have disadvantages as well as advantages.
C.People have different attitudes to computers.
D.More and more families will own computers.
单项选择题
A.A TV set.B.A stereo.C.An alarm clock.D.A battery -operated clock radio.
A.A TV set.
B.A stereo.
C.An alarm clock.
D.A battery -operated clock radio.
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