In addition，the team set up a separate experiment that suggested that the baby birds that most closely imitated their mom's voice were
rewarded
rewarded
（reward） with the most food．

【答案】rewarded

【解答】

【点评】

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发布：2024/5/27 14:0:0组卷：1引用：2难度：0.8

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In addition，the team set up a separate experiment that suggested that the baby birds that most closely imitated their mom's voice wererewardedrewarded （reward） with the most food．