填空题

New doctors in America are limited to work (6) hours a week now.		6
New doctors’ long work hours were cut short because a lack of sleep could increase the number of (7)		7
Some people worried that (8) might not get passed along in the course of changing doctors.		8
The authors of the study also say that they still need to find out how many hours doctors can work and still (9)		9
The authors of the study also need to find out how to (10) to patients that might come with the change of doctors.		10