A．He worked once as an administration personnel.
B．He was an honest, flexible and easy-going person.
C．He has just lost his job and is hunting for a new one,
D．He received administrative training in graduate school.
A．When he can't get his points across.
B．When people are not willing to accept new ideas.
C．When he comes into conflicts with his colleagues.
D．When it is impossible to learn or to grow in his field.
A．A study on whether social connections can keep us healthier.
B．A study on whether social connections can make us happier.
C．A study on factors that influence psychologic health.
D．A study on the relationship between psychology and health.