A successful scientist needs______if he wants to make hypothesis(假设)of how processes work and how events take place.

【正确答案】 C

【答案解析】解析：本题考查名词辨析。imagination，想象力；penetration，穿透；permission，允许；convention，惯例，常规。对应后面的hypothesis(假设)，所需要的是imagination。