Formal learning means that learners, under the organization and guidance of teachers, purposefully and systematically carry out academic or non-degree education and learning activities that take indirect knowledge as their content. According to the above definitions, Which of the following are formal studies:. ['In order for new employees to successfully get on the job, Company A provided a variety of experience exchange channels for employees to choose freely.', 'Xiao Wang B showed his son such programs as "Animal World", and his son learned a lot of biology and geography knowledge.', 'iaobao was not interested in school classroom learning, and was later sent to Shaolin Temple by the parents (suspected as "Martial Arts School") to learn martial arts.', 'ecurity Mavericks used free online public classes, systematically learned legal knowledge and passed judicial examinations, and Ruyi became a lawyer.']