单项选择题
A. in your body B. without water C. before long D. for a change E. on a busy day F. to your weight
A.recruit more students B.set up more schools of medicine C.ensure the quality of medical teaching and practice. D.prevent medical schools from making huge profits.
A.He is popular with his passengers. B.He has never missed a day of work. C. He is an impatient person. D. He has driven 350,000 accident free miles.