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And ____(说到……) VCRs, animals are even helping scientists make a videotape.

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____(接纳猴子) when they're four to six weeks old is important, says Bailey. “That's when monkeys normally become socialized to other monkeys,” she says.

For example, compared with humans, dogs are “far superior at ____(找到) odors,” says Marian Bailey, an animal behaviorist at Henderson State University in Arkansas.

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