题目内容

Primates may not be good sniffers, but they can certainly ____(提供帮助或支持) or two.

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When he gives the command, or stimulus, the dog ____(找出) drugs.

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

____(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.