Code: Select all
\documentclass{article}
\usepackage{lipsum}% dummy text for sample document
\begin{document}
\twocolumn[\parbox{\textwidth}{\lipsum[1-2]}]
\lipsum[3-5]
\begin{table*}
\centering
A very wide table
\caption{Sample table}
\end{table*}
\lipsum[6-8]
\end{document}
Nicola Talbot