衡量考古的成绩，不仅要看发掘出什么东西，还要看用什么方法发掘出这些东西。
参考答案：对
Leonardo da Vinci(1452-1519)__________ birds kept in cages in order to have the pleasure of setting them free.
A．is said to be buying
B．is said to have bought
C．had said to buy
D．has said to have bought
既能上清心火，又能下利小便的药物是（）。
A.芦根
B.知母
C.天花粉
D.淡竹叶
E.栀子
