The international spy museum is no more than 10 kilometers from where 3 of the Russian agents lived just outside Washington. And near the entrance to the exhibit are photos of uncovered Soviet spies. In a separate room is (1)_________________________________.
This is a car from a James Bond movie. On a normal day, this would be a hit of the exhibit, as would the pistol made to look like a lipstick and a lethal umbrella. But on this day, in light of the spy scandal, perhaps the most popular display is(2)_________________________________. It contains a hidden message. Historian Mark Stawt says this method of passing on data was used by the recently deported Russian agents.
"In this particular case, we have a purchase order. And then, underneath it, we have a secret message hidden, which comes out under ultraviolet light. (3)_________________________________. It's been around for centuries and the Russians used it in this recent case."
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作者: susan.sui 时间: 2012-3-28 13:58
1. what is called spy school.
2.a remarkable piece of paper
3.there're many different ways doing this but it's very traditional technics.
