某厂去年计划产值80万元,实际增产20万元.实际比计划增产百分之几?
答:20÷80=25%;
答:实际比计划增产25%.
As we all know, ______ medical examination will help us find out health problems as early as possible.
A.common
B.general
C.regular
D.normal
幼儿膳食应遵循平衡膳食的原则,三种功能营养素蛋白质、脂肪与碳水化合物的供给量比例最好保持在()
A.1:1:1
B.1:2.5:3
C.1:3:4
D.1:1.5:4
E.2:1.5:4