我正在使用这个几何图形来书写：
\documentclass[11pt]{book}
\usepackage[paperheight=10in,paperwidth=9in, top=1in, bottom=0.8in, twocolumn]{geometry}
\setlength{\columnseprule}{0.4pt}
\usepackage{amssymb,amsfonts}
\usepackage{mathrsfs}
\usepackage[centertags]{amsmath}
\usepackage{amsthm}
\usepackage{amsmath}
\newtheorem{theorem}{Theorem}
\usepackage{epsfig}
\usepackage{graphicx}\graphicspath{{Graphics/}}
\usepackage{mathptmx}
\usepackage[square,sort&compress]{natbib}
\usepackage{pgf,tikz,pgfplots}
\pgfplotsset{compat=1.15}
\usetikzlibrary{arrows}
\usepackage[T1]{fontenc}
\usepackage{fancyhdr}\pagestyle{fancy}
\usepackage{xcolor}
\usepackage{setspace}
\usepackage{booktabs}
\usepackage{enumitem}
\setlist[enumerate,2]{label=(\roman*).}
\usepackage{tasks}
\settasks{label=$\circ$}
%\usepackage{hyperref}
\usetikzlibrary{arrows.meta}
\renewcommand{\baselinestretch}{1.5}
\newcommand\aug{\fboxsep=-\fboxrule\!\!\!\fbox{\strut}\!\!\!}
\theoremstyle{definition}
\newtheorem{Thm}{Theorem}[section]
\newtheorem{lem}[Thm]{Lemma}
\newtheorem{pro}[Thm]{Proposition}
\newtheorem{de}[Thm]{Definition}
\newtheorem{re}[Thm]{Remark}
\newtheorem{ex}[Thm]{Example}
\newtheorem{cor}[Thm]{Corollary}
\numberwithin{equation}{section}
\definecolor{uuuuuu}{rgb}{0.26666666666666666,0.26666666666666666,0.26666666666666666}
\begin{document}
\frontmatter
%\include{frontmatter/colophon}
%\include{fronmatter/frontpiece}
%\include{frontmatter/dedication}
%\include{frontmatter/preface}
\twocolumn
%\tableofcontents
\mainmatter
%\include{mainmatter/Chapter-1}
%\include{mainmatter/Chapter-2}
%\include{mainmatter/Chapter-3}
%\include{mainmatter/Chapter-4}
%\include{mainmatter/Chapter-5}
\include{mainmatter/Chapter-6}
%\include{mainmatter/Chapter-7}
%\include{mainmatter/Chapter-8}
%\include{mainmatter/Chapter-9}
%\include{mainmatter/Chapter-10}
%\include{mainmatter/Chapter-11}
%\include{mainmatter/Chapter-12}
%\include{mainmatter/Chapter-13}
\include{Graphics}
\end{document}
我需要在本文档的某个地方使用整页，而不是将其分成两列。如何在使用两列的相同几何图形的同时在某处设置整页。但是，当我想使用整页而不是分成两列时，不应该将页面分成两列。