春节期间海南三亚的酒店遇到“高房价低入住”的尴尬。这表明

A．三亚尚未实现计划经济向市场经济的转变

B．三亚酒店经营不善，房源过多

C．市场经济具有自发性、盲目性、滞后性

D．市场调节不是万能的

完成对话。

Millie: Hi, Sandy,     1  you _____ (start) your history project yet?

Sandy: Yes. I    2   (look) on the Internet to get some ideas, but I     3   (not write)

the report yet.

Millie: What    4   you _____ (decide) to write about?

Sandy: I want to write about Tianjin.     5  you _____ (be) there?

Millie: Yes. I    6     (go) there with my family last year. I think Tianjin    7    

(not change) much.

Sandy: I think there     8   (be) some changes. I    9    already _____ (learn) a lot

about the history of that city.