分类：教育/科学-外语学习
问题：一个英语问题Tosucceedinascientificrese 
To sceed in a scientific research project,______.A.one needs to be persistentB.you need be persistent答案：ＡＷＨＹ？
回答：To succeed in ascientific research project是不定式作目的状语,前后主语应一致,而动作发出者未明确给出时,应用泛指的one.