英语听力精选进阶版 15532（在线收听）

Business Matters: Kalashnikov - the gun that changed the world 24 Dec 13

Tue, 24 Dec 13

Mikhail Kalashnikov has died at the age of 94. We look at the significance of his most successful invention - the AK47 assault rifle. Alan Turing, father of the computer and the man credited with cracking the Enigma Code during World War Two, has been given a Royal pardon, quashing his conviction for homosexual activity in 1952. And we'll take a look at the metaphor, specifically those designed to help enlighten the public about economic matters. Do they really work? Or do they simply confuse the issue?