Sir Martin Sorrell is the pugnacious chief executive of WPP, formerly known as Wire & Plastic Products and now the world's largest advertising agency by revenues. charger, wire, plastic products, import and export of goods Vehicle LED Light & latest gadegets with high quality.located in GuangZhou...
In this context, challenge means disability. Because of some problem that they have with their minds, members of a mentally challenged group face a greater than usual challeng â¦ e in performing the normal mental tasks of living.
oppositional defiant disorder. 1. a disorder of childhood or adolescence characterized by a recurrent pattern of negativistic, hostile, and disobedient behavior toward authority figures. 2. a DSM diagnosis that is established when the specified criteria are met. Synonym(s): oppositional disorder.