【简答题】阅读理解。 An artist (画家) went to a beautiful part of the country for a holiday and stayed with a farmer. Every day he went out with his paints and brushes (颜料和画笔) and painted till evening. When it got dar...
【单选题】We are profoundly ignorant about the origins of language and have to content ourselves with more or less plausible speculations. We do not even know for certain when language arose, but it seems likel...