古人常以“鸿鹄之志”来形容志向远大,这里的“鸿鹄”是指()
A.鸽子
B.大雁
C.天鹅
参考答案:C
---How much is this painting_____?
---I ___10,000 francs on it.
A.cost; spend
B.worth; spend
C.cost; gave
D.take; paid
创新是维持基础上的发展,而维持是创新的逻辑延续。