1. (2021高二下·金华期末) 听下面一段较长对话，回答以下小题。

1. （1） According to the woman, how long are whales' teeth today?

   A . About half a foot long. B . Around a foot long. C . Two feet long.
3. （2） How old is the recently discovered tooth according to the scientists?

   A . Five million years old. B . Twelve million years old. C . Thirteen million years old.
5. （3） Where is the tooth now?

   A . At the man's home. B . On a beach. C . In a museum.
7. （4） What does the man imply in the conversation?

   A . He would like to go to Australia. B . Animals were very different years ago. C . He wishes he found something important.