◎ 题干
Scientists have achievedr a major_______ in the search for a cure for cancer, _____ is good news for those who suffer from cancer
A.breakthrough; whatB.breakdown; which
C.breakup; thatD.breakthrough; which
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“ Scientists have achievedr a major_______ in the search for a cure for cancer, _____ is good news for those who suffer from cancerA.breakthrough; whatB.breakdow…”主要考查了你对  【可数名词及其单复数】【集合名词】【名词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。