单项选择题
A．tell the origin of intelligence tests B．explain the basic principle of intelligence tests C．describe the changes in the content of intelligence tests D．state the development of intelligence tests
A．Intelligence includes word understanding and problem solving. B．More intelligent children usually do better in school. C．The French Ministry of Education was charged with the development of first intelligence tests. D．Intelligence is related with age.
A．He first worked out thirty tasks for mentally deficient children. B．He first gave all the tasks to many children both younger and older. C．He first gave the tasks to many children he thought appropriate. D．He first gave some of the tasks to different groups of children.