Finding a cure for this disease is one of the greatest ______ faced by scientists.选项:a、hardships b、conclusions c、achievements d、challenges

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Finding a cure for this disease is one of the greatest ______ faced by scientists.选项:a、hardships b、conclusions c、achievements d、challenges

Finding a cure for this disease is one of the greatest ______ faced by scientists.选项:a、hardships b、conclusions c、achievements d、challenges
Finding a cure for this disease is one of the greatest ______ faced by scientists.
选项:
a、hardships
b、conclusions
c、achievements
d、challenges

Finding a cure for this disease is one of the greatest ______ faced by scientists.选项:a、hardships b、conclusions c、achievements d、challenges
d

C
finding是找到了,用ing形式只是因为是从句做主语,找到了就是成就,如果选D,那么finding应用looking for寻找,未找到才是一个挑战

根据faced可知 选D
face challenge 固定搭配 面临。。。的挑战
hardship不可与greatest搭配 A错误
conclusion不可与face搭配 同时不符合句意 B错误
achievement不可与face搭配 D错误
全句可译为:为这种疾病寻找治疗方法是科学家们面临的最重大的挑战之一。
另外 looking for描述...

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根据faced可知 选D
face challenge 固定搭配 面临。。。的挑战
hardship不可与greatest搭配 A错误
conclusion不可与face搭配 同时不符合句意 B错误
achievement不可与face搭配 D错误
全句可译为:为这种疾病寻找治疗方法是科学家们面临的最重大的挑战之一。
另外 looking for描述的是动作 并非“找到”这一结果 即并非“成就” 不是本句所指的对象

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