The rain washed away the track, which prevented the train from running. He showed no further wish for conversation with Mrs. Smith, who was now more than usually insolent and disagreeable. Men become desperate for work, any work, which will help them to keep alive their families. My assistant, who had carefully read through the instructions before doing his experiment, could not obtained satisfactory results, because he followed them mechanically. Behaviorists suggest that the child who is raised in an environment where there are many stimuli which develop his or her capacity for appropriate responses will experience greater intellectual development. (90 年考题)