GMAT
Yellow jackets number among the 900 or so species of the world's social wasps, which means they live in a highly cooperative and organized society, almost all females-the queen and her sterile female workers.
Yellow jackets number among the 900 or so species of the world's social wasps, wasps that live in a highly cooperative and organized society consisting almost entirely of females-the queen and her sterile female workers.
题目基本信息