1. The monotonic decreasing interval of the function $\left.y=\log _{\frac{1}{5}} \right\rvert\, x-2$ ! is ( ).
(A) $(-\infty, 2)$
(B) $(-\infty,-2) \cup(2,+\infty)$
(C) $(2,+\infty)$
(D) $(0,2) \cup(2,+\infty)$
$$
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\text { - } 、 1 .(\mathrm{C}) \text {. } \\
\text { Let } f(x)=|x-2| \text {, its }
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$$
graph is shown in the right figure. When $x>2$, $y=\log _{\frac{1}{3}}|x-2|$ is a decreasing function.