唐代书法家______把书法艺术分为神、妙、能三品。( )
A．柳公权 B．张怀璀C．颜真卿 D．王僧虔
参考答案：B
____ you know your potential（潜力）, you have to rely on many other people to get to where you are.
A．While
B．Since
C．If
D．Where
In order to keep fit, he chooses vegetables and fruit in ____to any kind of meat.
A．comparison
B．preference
C．control
D．advantage
