单项选择题

A．He always talks on the phone for that long if it’’s toll free.
B．They have so much free time to talk on the phone for that long.
C．They talked on the phone for too long.
D．He wants to know what they talked about.
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单项选择题
A．Because she won’’t fulfill her promise.B．Because her mother would be very angry.C．Because she can’’t finish the job ahead of schedule.D．Because she would be the last to finish the job.
A．Because she won’’t fulfill her promise.
B．Because her mother would be very angry.
C．Because she can’’t finish the job ahead of schedule.
D．Because she would be the last to finish the job.
单项选择题
Which of the following is NOT TRUE according to the passage
A．Many outstanding men want to see whether machines can judge and think.
B．There are already in existence some computers that can understand logic.
C．Dr. J. Von Neumann proved that some computers are complicated enough to reproduce themselves.
D．Human brain is too complex and complicated to be copied with the present level of technology.
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