I read his application and he is the cream of the crop.

我看过他的申请,他是出类拔萃的.

So you could say the ones who are chosen are the best ones, or the cream of the crop.

所以你可以说被选上的人是最棒的，或者是精华。

As a result, journalists look to them each week for the cream of the crop of new science papers.

因此，媒体记者每周都关注这两家期刊，以便在林林总总的新科学论文中觅取精华。