单项选择题

A．$5.00
B．$5.60
C．$4.40
D．$6.60
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单项选择题
Which of the following can best describe the author’’s attitude towards the technological advances” we achieved in these years
A．Positive.
B．Negative.
C．Objective.
D．Defensive.
单项选择题
The author was still young because he often ran to catch the trains.
A．Y
B．N
C．NG
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