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  • 高中三年级英语学案Units 11-(精选3篇) 高中三年级英语学案units 15-16 (b3)【知识网络】一、重点词汇与短语1.acknowledge vt.承认;告知已收到,为……表示感谢he refused to acknowledge defeat/that he was defeated.he acknowledged having made a mistake.