Answer to Dictation 1
Dinosaurs disappeared 65 million years ago.
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Answer to Dictation 2
We don't really know what they sounded like.
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Answer to Dictation 3
These noises are just guesses that movie directors make.
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Answer to Dictation 4
A new discovery has given scientists a better idea of the kinds of sounds.
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Answer to Dictation 5
It is the world's oldest fossil of a voice box.
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Answer to Dictation 6
Dr Yoshida did many tests on the shape of the fossilized voice box.
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Answer to Dictation 7
He compared it with the voice box of dozens of birds.
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Answer to Dictation 8
A good idea of what the muscles around the voice box looked like.
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Answer to Dictation 9
The muscles controlled the windpipe and sounds of the voice box.
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Answer to Dictation 10
Hollywood may have to change its scary roars and growls in future.
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