牛肝、羊肝中含维生素最丰富的是（）
A、维生素E
B、维生素A
C、维生素C
D、维生素B
参考答案：B
All the students were eager to know what the future may have________for them when they graduated
from the school.[ ]
A. in store
B. in common
C. in all
D. in particular
罗马法学家的主要历史贡献在哪里？
