Perhaps the most important quality (shared) by all notable scientists is a strong determination (to solve) a problem, when it (a

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问题 Perhaps the most important quality (shared) by all notable scientists is a strong determination (to solve) a problem, when it (arises) or to seek an explanation for a (phenomena).

选项 A、shared
B、to solve
C、arises
D、phenomena

答案D

解析
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