单语范例（未经PONS编辑处理）
Teachers and parents decide at the end of the fourth grade which level of school the child should attend based on academic performance and aptitude.
en.wikipedia.org However, he soon realized that he had no personal aptitude for politics, and no ability in promoting great social movements.
en.wikipedia.org To ease and grace of manner he united a peculiar aptitude for the delivery of the good things he put into his own mouth.
en.wikipedia.org As a child, he began piano lessons and demonstrated aptitude in both music and mathematics.
en.wikipedia.org She showed an aptitude for painting very early.
en.wikipedia.org