单项选择题
A. to the proper function of your memory B. is called long-term memory C. the capacity to store what you have learned D. belongs to every long-term memory E. the ability to remain mentally healthy F. for younger and older people
A．give up any hope. B．pray for the health of his loved ones. C．seize every chance of survival. D．go out of his way to help others.
A．saving a victim’s life. B．preventing a victim’s condition from getting worse. C．relieving a victim from pain. D．helping a person avoid sudden illness or injury.