单项选择题
单项选择题 Furthermore, the campaign itself was lavishly financed, with plenty of money for top flight staff, travel, and television commercials.
单项选择题 They make better use of the time they have, and they are less likely to succumb to fatigue in stressful jobs.
单项选择题 There is a controversy even among doctors as to whether this disease is contagious or not.