英语听力精选进阶版 13188（在线收听）

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News of the find has awakened new hopes among the team of crash investigators, that they may finally find the flight data recorders, which they say are crucial to determine the cause of the crash.

There's been speculation that malfunctioning speed sensors were to blame, but officials say other factors must have also contributed.

The search for the data recorders has been complicated and costly, with unmanned submarines diving to depths of up to 4,000 metres to scour the sea floor for traces of the plane.

Air France and the aircraft manufacturer Airbus, who've both been placed under investigation on charges of involuntary manslaughter over the crash, will be among those keen to see the flight recorders retrieved.

Vanessa Buschschluter, BBC News