单项选择题
A．are all related to economic considerations. B．are not as decisive as push factors. C．include a range of considerations. D．are more important than push factors.
A．the personality of a child is well established at birth B．family influence dominated the shaping of one's characteristics C．the development of one's personality is due to multiple factors D．B type characteristics can find no place in a competitive society
A．students are encouraged to concentrate on those things they do well B．some students are bound to fail C．failure rates are too high D．the results of examinations are doubtful