You will hear an interview with a scientist called Peter Crane, who is talking about an ancient tree called the gingko. For questions 1-7, choose the best answer (A, B or C).
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1What first interested Peter about the gingko tree?
2What does Peter say about the gingko tree in ancient China?
3When asked about the medicinal uses of gingko, Peter says
4Why are there so many gingko trees in cities all over the world?
5Peter says that street trees benefit people by providing
6Peter says people can help other species of plant to survive by
7How does Peter's work influence the way he thinks about the world?