评价推广对象的经济效益状况时，需要比较总收入与总支出之（）
A.和
B.积
C.比率
D.差额
参考答案：D
________ the production up by 60%, the company has had another excellent year.
A．As
B．For
C．With
D．Through
紫草具有的功效是
A．解毒B．透疹C．二者均是D．二者均非
