单项选择题A.Health care crisis can t be solved in a short time.B.More people are dying from preventable diseases.C.Health care crisis is most severe in Southern Asia.D.Poor countries have poor ability in providing vital services.
单项选择题A.Large amounts of newspaper and colored paper.B.Small pieces of rags or cloth.C.Old envelops with little printing.D.Soft wood or bush plants.