单项选择题A.Naps may help to improve work efficiency.B.Naps may help workers work for longer hours.C.Naps may stop workers developing heart disease.D.Naps during daytime are required by many workers.
单项选择题A.Dreams are very important for everyone.B.Dreams only counts when put into practice.C.Dreams contribute to big inventions.D.People should work for their dreams.