A   Listen to the introduction of a lecture. Then put these parts of the introduction in the correct order.

He describes a result of not looking after the environment.

He explains how the talk will be organised.

He explains why local problems are important.

He gives the little of his talk.

__1__ He uses a story to explain a main idea of the lecture.

B   Listen again. Are the sentences true or false?

 The writer Theodore Dalrymple sees many different kinds of rubbish in the streets.
 The lecturer says that people need to understand that the environment includes towns and cities.
3   The lecturer says people must save the environment before they make their streets clean and tidy.
 The lecturer explains that we need to invent more environmentally friendly methods of clearing up rubbish.
 The talk will include a description of how we can change people’s ideas.
 The lecturer believes that people must make small changes before they can make bigger ones.