易被氧化，可在体内保护其他易被氧化的物质，减少氧化脂质生成（）
A．维生素A
B．维生素C
C．维生素E
D．骨化三醇
E．烟酰胺
参考答案：C
请结合上下文将下列对话补充完整。
1. — What did he do yesterday morning?
— He _______________ breakfast at home.
2. — When did you go to school?
— I _______________ to school at 7: 30.
3. — Where did Lily sing and dance last Sunday?
— She _______________ in the music room.
4. — Did your father take pictures on his holiday?
— No, he_______________. He _______________ mountains.
企业运营能力的比率不包括( )。
A．总资产周转率
B．流动资产周转串
C．存货周转率
D．资产负债率
