Britain Faces Mass Strikes as Airports Warn Travelers

 　　Britain's airports are warning travelers they could face major delays Thursday when civil servants and teachers plan to take part in a nationwide strike.

　　BAA, which runs Heathrow, Stansted, Edinburgh, Glasgow, Aberdeen and Southampton airports, made the statement Wednesday.

　　Nearly three quarters of a million teachers and civil servants are planning to walk off the job Thursday due to a dispute over pensions.

　　Four trade unions voted to strike on June 30.

　　Prime Minister David Cameron made a final plea Tuesday to persuade the workers to abandon the strike.(本文由在线英语听力室整理编辑)