英语听力教程第三版(张民伦主编)Unit 1 The Earth at Risk听力原文
a. soil —> thin —> unproductive —>
wasteland b. animal/plant species becoming extinct
c. climate change for the whole world
Audioscript:
I — Interviewer B — Brian Cowles I:Brian Cowles is the producer of a new series of ｄｏｃｕｍｅｎ
ｔaries called "The Earth at Risk" which can be seen on Channel 4 later this month. Each program deals with a different continent, doesn't it, Brian?
B:That's right, yes, we went to ... er ... we went to America, both North and South and then we went over to Africa and
Southeast Asia. I: And what did you find in each of these continents?
B:Well ... er ... starting with ... er ... Africa, our film shows the
impact of the population on the environment. Generally
speaking, this has caused the Sahara Desert to expand. It's a bit of a vicious circle ... er ... we find, people cut down trees for