“拥挤肮脏”的公园属于何种财货？（）
A.准私有
B.公共
C.准公共
D.私有
参考答案：A
根据所给的情景补全对话。
A Good Friend
Robot: Hello! Boys and girls. I'm a 1_____________. I'm your good friend.
Ss: 2_____________ can you do?
Robot: I can see 3_____________ my eyes. I can 4_____________ with my ears. I can 5_____________
with my legs. I can 6_____________ with my hands.
Ss: 7_____________ you speak English?
Robot: 8_____________. But only a little.
Ss: Oh, good.
8，17，24，37，( )
A．64
B．42
C．52
D．48
