单项选择题

The author's attitude toward the future robots is ______.
A) cautious C) optimistic
B) pessimistic D) doubtful

A．The author's attitude toward the future robots is ______.
B．cautious
C．pessimistic
D．optimistic
E．doubtful
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单项选择题
A．16 years ago.B．60 years after the law-making.C．In 1873.D．In 1930’s.
A．16 years ago.
B．60 years after the law-making.
C．In 1873.
D．In 1930’s.
填空题
G
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