单项选择题

Questions 23 to 25 are bused on the conversation you have just heard.

A．He has never seen a fossil that old.
B．It is probably a recent specimen.
C．It could be many millions of years old.
D．He will ask the lab how old it is.

<上一题目录下一题>

热门试题

单项选择题

A．Reading magazine articles.B．Writing research papers.C．Reviewing book reports.D．Selecting information sources.

A．Reading magazine articles.
B．Writing research papers.
C．Reviewing book reports.
D．Selecting information sources.

填空题

Two examples to deal with water are Netherlands and Venice.

Questions 23 to 25 are bused on the conversation you have just heard. 您的浏览器不支持 audio 元素。

Questions 23 to 25 are bused on the conversation you have just heard.