% 必须加上下面两句，否则编译不通过
% 具体什么意思请自行查看手册
\documentclass[compress,red]{beamer}
\mode<presentation>
\begin{document}
\begin{frame}\frametitle{What’s Still To Do?}
% ----------------分栏的结构开始---------------- %
% 该结构中使用block分开两个内容区
% 可根据需要进行图文混排？我还没试过，我想应该可以
\begin{columns}
\column{.5\textwidth}
\begin{block}{Answered Questions}
How many primes are there?
\end{block}
\column{.5\textwidth}
\begin{block}{Open Questions}
Is every even number the sum of two primes?
\end{block}
\end{columns}
% ----------------分栏的结构结束---------------- %
\end{frame}
\end{document}