1. (2021高二下·宁波期末) 听材料，回答问题。

1. （1） Where did the woman learn about the discovery?

   A . In a class. B . In an art. C . In a video.
3. （2） Why is the string so important according to the woman?

   A . It's very well made B . It's with a long history. C . It's the proof of ancient knowledge
5. （3） What aspect about ancient humans makes scientists surprised?

   A . Art B . Fire C . Math
7. （4） Why is it difficult to get information on ancient humans according to the woman?

   A . They moved a lot. B . The evidence is mostly gone. C . The tools are simple.