I hope the divorce won’t have a ______ effect on the children. (negative, negation)
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合成镇痛药根据化学结构主要分为哪几类?请各举一例药物的通用名。
合作学习中之所以会存在不平等参与现象,是因为人的能力是有差异的,大家都希望能力强的多说话,多做事。
It was then that the organization finally began to ______ the hopes of its founders.