A.They should utter a phrase a hundred times a day when starting the recovery training.
B.They should chant phrases instead of saying them at the beginning stage of the training.
C.Doctors should persuade them to sing songs every day to regain their speaking ability.
D.They should practise singing the phrases after saying them hundreds of times every day.
A.restore the language function of the damaged system in the left brain
B.hinder the damaged structure in the brain from deteriorating sharply
C.improve the structures of the underdeveloped systems in the right brain
D.practise the parts of the brain which are under constant use
A.the characteristics of shy people
B.the cause of shyness
C.the questions in the minds of shy people
D.the effect of shyness on people
A.harmful to people
B.a weak point of shy people
C.the cause of unhappiness
D.a good quality