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题型：单选题 题类：常考题 难易度：普通
仁爱科普版九年级上Unit 4 Topic 3 China is the third nation that sent a person into space.专题练习：定语从句
— I think so. He is a helpful man from {#blank#}1{#/blank#}( whom/ who) we can learn a lot.
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