They kept these animals in a laboratory for a year, to acclimatise them, and then challenged them with various tasks which, if performed successfully, would yield a reward of food. - 柯帕斯英语网

They kept these animals in a laboratory for a year, to acclimatise them, and then challenged them with various tasks which, if performed successfully, would yield a reward of food.

经济学人里的某一句，tasks后面的which是做什么成分？这里没看懂，希望有强者答疑一下，谢谢

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曹荣禄 2021-02-17 13:53

擅长：动词用法,句法问题

which, if performed successfully, would yield a reward of food. 限制性定语从句修饰tasks。

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阿喀琉斯之踵提出于 2021-02-16 23:17