问题
单项选择题
With the introduction of（）technology, information flows faster than it ever did.
A.involved
B.complicated
C.sophisticated
D.complex
答案
参考答案：C
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With the introduction of（）technology, information flows faster than it ever did.
A.involved
B.complicated
C.sophisticated
D.complex
参考答案：C
，则f’(1)=______．