这篇文章是新闻业的典范之作。

The article is an example of journalism ___at its ___best.

我们在乡间旅行时看到了大自然最美的一面。

We saw nature ___at its ___best during our trip to the countryside.

他在决赛中打入两球，发挥出了最佳水平。

He scored twice in the final, playing ___at his ___best.