成人膳食脂肪适宜摄人量以占总能量百分比计算,为
A.5%~8%
B.10%~15%
C.20%~30%
D.35%~40%
E.45%~50%
参考答案:E
Most of the audience had a high __________ of the performance of our footballers in the match
against Iran.[ ]
A. idea
B. sense
C. opinion
D. thought
下列物质中符合如图所示阴影部分表示的分类标准是( )
A.K2CO3
B.Na2CO3
C.NaCl
D.NaHCO3