成人蛋白质的适宜摄入量是占每日摄入总能量的
A.10%~15%B.<20%C.20%~30%D.>30%E.35%~40%
参考答案:A
会计工作只能由财政部统一领导。( )
Instead of importing Chinese labor,the United States is importing goods that are produced with Chinese labor,which is a typical example of importing goods from another country instead of importing factors of production.( )