摘要：13．Scientists have made a great in the treatment of cancer. A．principle B．breakthrough C．conclusion D．introduction 答案与解析:B breakthrough“突破 .句意:科学家在癌症治疗方面取得了重大的突破.principle 原则.原理,conclusion 结论,introduction 介绍.入门.
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Scientists have made a great in the treatment of cancer.
A．principle B．breakthrough C．conclusion D．introduction
查看习题详情和答案>>Scientists have made a great in the treatment of cancer.
A．principle B．breakthrough C．conclusion D．introduction
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