一、Fill in the Blanks (8 questions in total, 8 points each, 64 points in total)
1. $2017^{\ln \ln 2017}-(\ln 2017)^{\ln 2017}=$ $\qquad$
1. 0

Analysis: Let $\ln 2017=x$, then $e^{x}=2017$, then $2017^{\ln \ln 2017}-(\ln 2017)^{\ln 2017}=\left(e^{x}\right)^{\ln x}-x^{x}$
$$
=\left(e^{\ln x}\right)^{x}-x^{x}=x^{x}-x^{x}=0
$$